152results about How to "Improve the lighting environment" patented technology

The invention discloses a method for tracking and identifying a headlight and a taillight of an automobile under visual perception. The method comprises the steps of video image acquisition, local space automotive light detection, global space automobile detection, automotive light track real-time tracking, and matrix type LED particle control. On the basis of intelligent image recognition and tracking technologies, a camera is used for collecting and storing an automotive head target and an automotive tail target in front of an automobile; with a target detection and tracking technology and a feedback correction model, orientation, speed, and position motion parameter detection of the automobile by a vehicle in front of the automobile can be realized; and with an image view and an LED illumination area mapping model, adaptive controlling of single or grouped light brightness in a matrix type LED headlamp is realized by using a visual image sensing parameter as a control input. Therefore, stable multi-target vehicle tracking can be realized on the condition of complex light and the headlight of the automobile can be adjusted in real time based on a tracking result, so that the method can be applied to a headlight intelligent control service in auxiliary automobile driving.

The invention particularly relates to a seedling cultivation method for strengthening growth vigor of plants by supplementing light. The method comprises steps as follows: step one, seed treatment: seeds are soaked in tap water or Vitacat, and seed germination is promoted; step two, sowing: a sponge block is put in a nursery seedling plate and pressed uniformly for sufficient water absorption, and the soaked seeds are put in the sponge block; step three, management before germination: the nursery seedling plate is put in a dark and lightless environment, water is sprayed to the nursery seedling plate every day, and the nursery seedling plate is kept moist until the seeds germinate; step four, management after germination: after germination, the nursery seedling plate is placed under LED light for light supplementing, and the LED light is obtained through an LED light source with an adjustable spectrum; when the seeds just germinate, the ratio of red light to blue light of the LED light source is adjusted to be 3:1, and the light supplementing intensity is adjusted to 3,000 lux; after cotyledon is expanded, the ratio of the red light to yellow light of the LED light source is adjusted to be 1:2, and the light supplementing intensity is adjusted to 13,000 lux. The light intensity and the spectrum are adjusted according to different light required by seedlings in different growth stages, the growth vigor is strengthened, and the seedling cultivation time is shortened.

The application provides a control device for a light emitting diode (LED) lamp. The control device comprises: an electronic controller, which is used for inputting, on the basis of external inputs, a high color temperature control signal, a low color temperature control signal and a light modulation control signal according to preset processing programs; a first group of LED illuminants; a second group of LED illuminants; a first variable output constant current source, which provides current outputs to the first group of LED illuminants; and a second variable output constant current source, which provides current outputs to the second group of LED illuminants. The first variable output constant current source provides final current outputs to the first group of LED illuminants according to the high color temperature control signal and the light modulation control signal. The second variable output constant current source provides final current outputs to the second group of LED illuminants according to the low color temperature control signal and the light modulation control signal. Color temperatures and brightness of LED illuminants can be controlled continuously or controlled in a multi-level manner, a comfortable illumination environment can be provided according to life needs of people, and energy is also effectively saved.

The invention relates to an intelligent photochromic window and a use method thereof, belonging to the technical field of building of architecture. The intelligent photochromic window comprises a window frame and photochromic glass, wherein the photochromic glass is arranged in the window frame; the outer top of the window frame is provided with a roller shutter shaft; a shading roller shutter is arranged on the roller shutter shaft; the photochromic glass indicates composite glass formed by compositely smearing silver bromide and copper oxide on normal glass; the shading roller shutter is a normal shade cloth roller shutter; and one end of the roller shutter shaft is provided with a pull rope. According to the intelligent photochromic window, the light transmittance of the window can be changed along with intensity of sunlight, strong sunlight in summer is avoided, the light environment in the window is improved, and the comfort of a human body is enhanced; and the intelligent photochromic window is easy and convenient to produce and mount.

The invention belongs to the technical field of semiconductor lighting devices, and particularly relates to an LED (Light-emitting Diode) street lamp with adjustable spectrum in foggy days. The street lamp comprises an LED street lamp part with the adjustable spectrum, a remote control device and a manual control panel, wherein the LED part internally comprises multiple groups of LED package devices with different light colors which are mixed to emit white light; the LED package devices at least comprise one group of yellow light packaging devices with the peak wavelength of 570-600nm; each group of packaging devices is controlled by independent drive, and has adjustable power. The street lamp can emit white light at night with favorable visibility, and provides illumination for roads; the street lamp can be switched to emit yellow light with strong fog permeability in foggy days with poor visibility or under severe dust-haze weather, and the radiation flux of the yellow light is enhanced. The street lamp can provide favorable illumination environment for the roads at different weather conditions, so that the traffic accident rate can be effectively reduced, and the road traffic security is improved; the street lamp is flexible, simple and convenient to control, has strong operability, and can be widely applied in various occasions such as docks, airports and tunnels.

The invention belongs to the technical field of automobile electronics and mainly solves the problem of how to achieve the best lighting effect when a vehicle travels on a bend. A multi-information fusion self-adaptive headlamp system comprises a switch signal sensor, a steering wheel angle sensor, a vehicle speed sensor, a vehicle-mounted GPS, a high-accuracy map, a vehicle-mounted power source,a drive motor position correction module, a self-adaptive headlamp controller, a vehicle lamp reset mechanical structure, a right lamp motor drive module, a right lamp drive motor, a left lamp motor drive module, a left lamp drive motor, a detection protection module and a fault warning module. The system mainly has the two beneficial effects that firstly, the influence caused by the road condition and the curvature change difference on a vehicle lamp steering model can be avoided; and secondly, through judgment of the vehicle advancing direction and establishment of the vehicle lamp steeringmodel, vehicle lamps are controlled to steer through the stepping motors, the best effect of vehicle lamp bend lighting is achieved, and a good lighting environment is better provided for a driver.

The invention provides a double-module infrared microwave movement detection device. The double-module infrared microwave movement detection device comprises a central processing logic unit, a power supply rectifier module, an infrared probe module and a microwave receiving and sending module, wherein the power supply rectifier module, the infrared probe module and the microwave receiving and sending module are connected with the central processing logic unit. Three points on the movement path are detected through three infrared probes, and the precedence of the existence signal generation times of the three points is analyzed so that the movement direction in which a human body pass through the area can be obtained. When human body existence signals are generated, a microwave transmitter can be turned on through the central processing logic unit, and a signal of a microwave receiver is received at the same time; the accurate time at which the human body leaves the detection area is calculated by analyzing the magnitude of the signal; the double-module infrared microwave movement detection device has the advantages of being accurate in signal, clear in directivity and high in anti-interference capacity, and can be widely applied to intelligent control fields of subways, buildings, hotels and houses.

The invention discloses a spectrum optimizing method and system for relieving jet lag by a four-color LED light source. According to the method, firstly, a lower limit value and an upper limit value of a relevant color temperature are set, and are converted into a corresponding CIE 1931 chromaticity coordinate; then, based on a physiological rhythm model and a CIE color developing index, the spectral power distribution and the tristimulus values of LEDs in each light color are used for building a spectrum optimization model at the chromaticity coordinate; finally, solving is performed by usinga constrained optimization algorithm; and the optimum spectrum power distribution of the four-color LED light source during the jet lag relieving can be determined. The problem that a current passenger cabin uses a four-color LED light source for illumination and is lack of a spectrum optimization for relieving the jet lag of passengers is solved. The method has the advantages that the light quality required by general illumination is ensured; meanwhile, two groups of optimum spectrums are optimized; a best light environment can be provided for relieving the jet lag of the passengers; the advantage of adjustable spectrum of the four-color LED light source is sufficiently utilized; and the technical support is provided for the design and the research and development of a passenger cabin illumination light source.

The invention discloses an intelligent air purifying ceiling lamp based on the photocatalyst technique. The intelligent air purifying ceiling lamp structurally comprises a glass lampshade, a photocatalyst nano coating sprayed onto the surface of the glass lampshade, an LED light-emitting device placed inside the glass lampshade, and a control device which is placed inside the glass lampshade and used for controlling the LED light-emitting device. The control device controls the LED light-emitting device to emit light different in color and brightness, and the photocatalyst nano coating is triggered to absorb light energy, so that electrons and holes are generated, and then toxin released by bacteria or fungi is decomposed and subjected to innocent treatment. According to the intelligent air purifying ceiling lamp based on the photocatalyst technique, basic illumination is achieved, and meanwhile the indoor air quality monitoring and purifying functions are achieved, the indoor living environment is perfectly achieved, a comfortable illumination environment is provided for people, and the clean air quality is maintained.

The invention discloses an LED downlight, including a light source. The light source comprises at least one white light LED and at least one colorful light LED. At least one colorful light LED besides at least one white light LED is used in the light source of the LED downlight of the invention. By being mixed, the light emitted by various colorful light LEDs can produce illumination effects which are soft, non-glare and high in color rendering. On top of that, through independent control for luminous flux of the various colorful light LEDs, the flexible adjustment for light emitting color temperature, color, brightness and color rendering of the LED downlight can be realized, thereby creating a better illumination environment.

The invention belongs to a construction technology, in particular to an active type natural light guide method and a device. The traditional building adopts a passive type natural lighting method, and the lighting quality is restricted by the position, the area, the size, the orientation and the like of a daylight opening. The active type natural light guide method guides sunlight into a building by the modes of collection, reflection, transmission and scattering. Two heliostats (1) and (2) which are arranged at the front and the back of a roof (7) of a building and can track the illumination angle of the sun collect the sunlight actively, and the sunlight is focused and irradiated to a reflecting mirror (3); and light rays are irradiated to a skylight (4) by the reflecting mirror (3), pass through a diffusing panel (5), are scattered and enter an atrium (6) of the building. The invention has the advantages of prolonging the sunshine time in the building, enhancing the lighting illumination in the building, enhancing the comfort level of a luminous environment in the building and providing conditions for the growth of green plants in the areas of the atrium and a patio in the building.

The invention relates to an indoor intelligent video monitoring system based on LED (Light-Emitting Diode) controllable supplementary lighting. The indoor intelligent video monitoring system comprises at least one camera and an LED controllable supplementary lighting lamp, wherein a video cable of the camera is connected with an intelligent video analysis meter and a digital video recorder respectively; when input video information is not matched with the monitoring information of a preset monitoring object in the intelligent video analysis meter, a loudspeaker is triggered by the intelligent video analysis meter to output an alarm signal; a monitoring client is connected with a centralized controller; the centralized controller is connected with a node controller of the supplementary lighting lamp and a node controller of an illuminometer; the illuminometer is used for detecting the environment brightness and transmitting the detected environment brightness to the centralized controller; meanwhile, the centralized controller is used for receiving an environment brightness value preset at the monitoring client; when the environment brightness value detected by the illuminometer is not matched with the environment brightness value set at the monitoring client, the brightness of the LED controllable supplementary lighting lamp is regulated by the centralized controller through the node controller of the supplementary lighting lamp. The indoor intelligent video monitoring system is convenient to mount and use; and moreover, the monitoring reliability is improved.

The invention discloses a lighting device for electric power maintenance. The device structurally comprises a top support, a lifting hook, a insecticidal lamp connecting frame, a telescopic support rod, a controller, a self-cleaning insecticidal lamp, a bottom support, protection supports, movable foot wheels, a power storage seat and a push rod, wherein the movable foot wheels are uniformly connected to the four corners of the lower end surface of the bottom support at equal intervals, the controller and the power storage seat are correspondingly arranged on the upper end surface of the bottom support, the power storage seat is arranged at the other end of the controller, and the front end and the rear end of the power storage seat are correspondingly provided with the protection supports. According to the lighting device for electric power maintenance, the parts are combined with one another, and therefore, mosquitoes can be killed in the working process of the device, a user can beprevented from being bitten by the mosquito in the electric power maintenance process, and the working efficiency is prevented from being influenced; and meanwhile, dust on a lighting lamp can be automatically cleared, so that adverse effects on the lighting quality due to excessive dust on the lighting lamp are avoided, the lighting lamp does not need to be cleaned manually, the operation is convenient, and the practicability is high.

The invention discloses a control system adjusting the growth of indoor plants. A photovoltaic power generation device is used for converting received solar energy to electric energy and transmitting the electric energy to an energy storage device. The energy storage device is used for powering a controller, a light sensor and light fixtures. The controller is used for receiving light source intensity values sent from the light sensor and comparing the light source intensity values with a standard light intensity value; when the light source intensity value is less than the standard light intensity value, the controller controls the energy storage device to increase the power supply for the light fixtures until the light source intensity value reaches the standard light intensity value; when the light source intensity value is larger than the standard light intensity value, the controller controls the energy storage device to reduce the power supply for the light fixtures until the light source intensity value reaches the standard light intensity value. By means of the system of the invention, solar energy is converted into electric energy for providing illumination for indoor plants, which effectively reduces electric energy consumption of power grid. Moreover, the use of electric energy obtained through converting solar energy to illuminate indoor plants is not affected by continuous power failure so that indoor plants can be kept in a well growing environment.

The invention provides a controller of a lighting device. The controller is characterized by comprising a driving unit, an operation panel, a signal processing unit and a control unit, the driving unit is connected with a light source and used for driving the light source and adjusting the brightness, the color temperature and the color deviation of the light source, the operation panel is provided with a plurality of functional keys and used for obtaining user operation intentions, the signal processing unit is connected with the operation panel and the control unit and used for converting operation signals of the operation panel into control signals which can be identified by the control unit, and the control unit is connected with the driving unit and used for controlling the driving unit according to the control signals or preset parameters. Meanwhile, the invention further provides the lighting device with the controller, the free and diversified lighting dimming solutions convenient to use can be provided for home or office occasions, and the requirement of a user for the lighting effects on different occasions can be met.

The invention is applicable to the field of lighting and particularly relates to a tunnel lighting control system. According to the embodiment of the invention, an internal and external tunnel environment detection unit detects parameters of internal and external environments of a tunnel, and a control unit automatically controls an LED light adjusting unit to adjust the lighting brightness of lighting LEDs in each section of the tunnel, thereby improving the lighting environment inside the tunnel. The tunnel lighting control method is convenient in operation and has good precision and accuracy.

The invention provides a dynamic photo-bio-reactor. The dynamic photo-bio-reactor comprises a culture tank and a light emitting unit; the dynamic photo-bio-reactor further comprises an optical arm blade propeller and a driving mechanism; the light emitting unit is arranged on the optical arm blade propeller; the optical arm blade propeller is arranged in the culture tank; the driving mechanism canbe used for driving the optical arm blade propeller to do rotating and hoisting movement in the culture tank. The invention further provides a method for culturing microalgae by utilizing dynamic light; a culture solution of the microalgae is subjected to rotating and hoisting type stirring; in a stirring process, dynamic light illumination which is synchronized with stirring is carried out. Thedynamic photo-bio-reactor and the method for culturing the microalgae by utilizing the dynamic light, provided by the invention, have the advantages of simplicity in operation, low cost and capabilityof effectively improving the yield of microorganisms (microalgae) cultured by the method.

The invention discloses a V-type pruning method for pepper cultivation and belongs to the field of vegetable crop cultivation. The proper operations such as trunk selection and remaining, lateral branch pinching and removal are carried out on peppers in different growth periods of the peppers, plants keep vigorous at the early growth stage of the peppers, the fruit setting rate is increased, and the yield of the early stage is improved. The light transmission capacity of the middle and later stage of the peppers is improved, photosynthesis is enhanced, commodity is improved, and the good quality and high yield are ensured in the whole growth cycle of the peppers.

The invention discloses an LED ceiling lamp, comprising a light source. The light source comprises at least one white light LED and at least one colorful light LED. The illumination effects of the ceiling lamp are soft, non-glare and relatively high in color rendering. The ceiling lamp can change light emitting color temperature flexibly.

The invention relates to a unit type building external sunshade design parameter calculation method, a storage medium and equipment. The problems that a traditional building sunshade design method islarge in workload and low in efficiency, and an optimal solution cannot be obtained are solved. On the basis of the design scheme of the unit type building external sunshade, the unit type building external sunshade is designed by using a parameterized design means, the design result is considered from the beginning of the initial design stage, and the satisfactory design result is obtained by controlling the shape and size of unit type building external sunshade and continuous iteration. Different from a traditional design concept of using a traditional specification limit value for re-checking, multi-physical-field coupling parameterization calculation is adopted, the optimal design scheme is obtained according to a satisfactory solution, the optimal form and size of the unit type building external sunshade can be obtained, the optimal indoor lighting environment can be guaranteed while building energy consumption is reduced, the sustainable green building design purpose of saving the construction cost and the operation cost is achieved, and the requirements of a green building design system are met.

The invention discloses a wind-solar hybrid LED bus stop board which comprises a base, a stop board body, a support pillar, solar cell panels, a wind power generation device, an LED display screen, a wireless communication device, a control device, an electric transducer and a storage battery. The support pillar is arranged at the top of the stop board body, a support frame is arranged on the lower portion of the support pillar, the solar cell panels are arranged on the support frame, the wind power generation device is arranged at the top of the support pillar, the solar cell panels and the wind power generation device are connected with the electric transducer which is connected with the storage battery, the wireless communication device is arranged on the left side of the top of the stop board body, and the LED display screen, LED illuminating lamp sets, loudspeakers and the wireless communication device are electrically connected with the control device. By means of the wind-solar hybrid LED bus stop board, the consumption of the electrical energy is reduced, and the timely situation of a vehicle can be conveniently understood by a passenger in time.

The invention relates to the technical field of lighting, in particular to a desk lamp. The multifunctional desk lamp comprises a desk lamp body, the desk lamp body comprises a base and a lampshade which are connected through a connecting member, at least two light-emitting diode (LED) lamps which adopt different color temperatures are arranged inside the lampshade, at least one LED lamp adopts a warm-light LED lamp, and at least one LED lamp adopts a white-light LED lamp; signal input ends of the at least two LED lamps are connected with a drive control circuit; and the drive control circuit is connected with a color temperature adjusting device and a brightness adjusting device. By means of the desk lamp, the stroboscopic phenomenon can be eliminated, energy and electricity can be saved, the service life is long, simultaneously, the brightness and the color temperature are convenient to adjust, and good lighting environments can be provided.

The invention provides an intelligent street lamp integrated control cloud platform. The intelligent street lamp integrated control cloud platform includes a server and a monitoring terminal, whereinone side of the monitoring terminal is equipped with a flash lamp, a bottom portion of the monitoring terminal is equipped with a high definition night vision camera, the monitoring terminal is internally equipped with a circuit board, the circuit board is integrated with a processor, a positioning device and a Bluetooth module, the processor is electrically connected with a communication interface, the processor is in communication with the server through the communication interface, a rear side of the monitoring terminal is fixedly equipped with an arc-shaped mounting board, and the arc-shaped mounting board is provided with multiple mounting screw holes. The intelligent street lamp integrated control cloud platform is advantaged in that Bluetooth connection, street lamp brightness adjustment, processing selection, event classification and data summary analysis are achieved, and the intelligent street lamp integrated control cloud platform is reasonably designed, can effectively process various accident information and can plan a fastest arrival route in emergency.

The invention discloses a lamplight mode control device and method. The lamplight mode control device comprises remote control equipment and a mode controller, wherein the remote control equipment comprises a mode control formulating module and a signal generating module; the mode control formulating module is used for formulating a look-up table in which remote control signals and lamp lighting modes are in one-to-one correspondence; the signal generating module is used for generating remote control signals, encrypting the remote control signals and then propagating the encrypted remote control signals in a wireless transmission manner; and the mode controller is used for receiving the look-up table, in which the remote control signals and the lamp lighting modes are in one-to-one correspondence and which is formulated by the mode control formulating module, and the remote control signals generated and propagated by the signal generating module, and searching the lamp lighting modes corresponding to the remote control signals propagated by the signal generating module according to the look-up table in which the remote control signals and the lamp lighting modes are in one-to-one correspondence so as to further generate a mode control instruction. The invention further discloses a lamplight mode control method. The lamplight mode control device and method disclosed by the invention can be used for controlling indoor lamplight anytime and anywhere so as to provide a convenient, comfortable and energy-saving illumination environment for a user.

The invention discloses a light-emitting surface structure of an optical lens. The optical lens is a lens body which is one of conical structural bodies. The lens body comprises a containing chamber, a projection curve surface and a light-emitting surface, wherein the projection curve surface consists of a plurality of curve surface points; the light-emitting surface is connected with the periphery of the projection curve surface; the light-emitting surface is provided with a plurality of first convex ribs, a plurality of second convex ribs and a plurality of third convex ribs in a staggered mode; and the first convex ribs, the second convex ribs and the third convex ribs are arrayed to form the configuration of a plurality of triangles. The structure provided by the invention is characterized in that the convex ribs on the light-emitting surface are utilized to form a structure similar to a prism or a convex lens, the light rays projected from the inner part of the optical lens can be diffused effectively and uniformly, and the manufacturing difficulty and the manufacturing cost of a mold can be lowered greatly.

The invention discloses a white LED and a preparation method thereof, and relates to the technical field of basic electrical elements and preparation methods thereof. The white LED comprises a substrate layer, a buffer layer, an n-type layer, an active region layer and a p-type layer which are arranged from bottom to top, wherein voltage is added between the p-type layer and the n-type layer, andthe light emitted by the LED is white light; the active region layer comprises an InN layer, an In<x>Ga<1-x>N layer, a GaN layer, an Al<y>Ga<1-y>N layer and AlN which are arranged from bottom to top,wherein x+y=1, 0<=x<=1, 0<=y<=1, and the value of x is gradually reduced from 1 to 0 and the value of y is gradually increased from 0 to 1 in a process that the In<x>Ga<1-x>N layer and the Al<y>Ga<1-y>N layer gradually change from bottom to top. The white LED does not need to use fluorescent powder materials, and the emission spectrum range is wide.

The invention discloses a table lamp capable of adjusting the lighting direction and the lighting range. The table lamp comprises a base, a support rod I, a support rod II, and a plurality of lighting assemblies which are spliced at the tail end of the support rod II along the linear direction, wherein the support rod I is arranged on the base and is movably connected with the support rod II, a lighting assembly A connected with the tail end of the support rod II is fixedly connected with the support rod II, and the lighting assemblies are movably connected by pivoting pieces. The table lamp provided by the invention realizes the vertical and horizontal adjustment and further realizes the adjustment of the lighting area and strength, and meet any lighting demand. In addition, the invention has the advantages of wide applicability, obvious progresses and effects, simple structure and convenience in processing, can realize batch production, and is practical.

The embodiments of the invention disclose a lighting method and a lighting device. The method is used for adjusting the illumination of light emitted by a lighting source in an irradiation target area, the target area is irradiated by an environmental light source, and the lighting method comprises: acquiring light illumination of an auxiliary area not in the irradiation of the lighting source, under the irradiation of the environmental light source; determining the light illumination of the target area only under the irradiation of the environmental light source as environmental illumination according to the light illumination of the auxiliary area under the irradiation of the environmental light source; judging whether the environmental illumination is changed and the change quantity exceeds a preset environmental change range; if so, adjusting the current supplied to the lighting source, so that the light illumination of the target area is located within a target illumination range. By adopting the method and the device, when the lighting environment of the target area is changed greatly, the light illumination of the target area can still be maintained within a target illumination range, so that a good lighting environment is provided for users, and eye health is effectively protected.