247results about How to "Reduce light pollution" patented technology

A streetlight wherein the conventional incandescent light bulb is replaced by sets of light-emitting LED clusters. The clusters comprise parallel circuits of LED bulbs mounted on a printed circuit board (PCB). Preferably, the configuration comprises ten clusters, each cluster having two parallel circuits of LEDs, each circuit having twenty LEDs. Each cluster may be connected separately to its own power source or a single power source can be used to power the entire set of clusters. The LED bulbs face downwards, and operate to disperse light directly onto the intended area of the road or street surface. The lamp is encased within a glass cover lens.

The present invention relates to a solar power generation assembly and method for providing same involving an array of solar generating modules on a dual-incline structure, which can achieve high energy yields over a wide range of azimuths / orientations. The assembly consists of canopy wings providing for the dual-incline structure, where, depending on specifications, the canopy wings can differ in length, width, angle of inclination, structural material and solar module or other material mounted on the surface. The canopy wings may be pivoted or hinged to enhance the energy generation and / or other functional benefits of the assembly or system, including display elements, advertising, rainwater / precipitation and snow drainage and collection and energy transmission. The assembly or system is modular and may be assembled in a long continuous configuration in which the inclination, width and tilt of the canopy wings may vary of a long distance to maintain substantially consistent energy yields as the assembly or system orientation changes.

A lighting apparatus for retrofitting an existing luminaire includes a plurality of light emitting diodes (LED) of similar or differing wavelengths arranged and configured in at least one light bar array, a heat sink module thermally coupled to the at least one light bar array, an electronic power module electrically coupled to the at least one light bar array, and a plate coupled to the at least one light bar array, electronic power module and the heat sink module, the plate arranged and configured for coupling to the luminaire to provide quick and easy installation and replacement of the at least one light bar array, heat sink module and electronic power module into and from the luminaire.

A protective cover for an electronic device includes a front casing, a protective film beneath the front casing to enable use of a touch screen within the cover, the protective film including integral mesh portions having waterproof and dust proof properties to seal microphone and speakers on the electronic device, and a rear removably coupled to the front casing to substantially enclose the electronic device therein. The rear casing includes a plurality of mounting slots in spaced relation thereon, each mounting slot configured to receive a mounting clip to attach the cover with electronic device to an external article. The rear casing includes an aperture which aligns with a camera lens of the electronic device within the cover. The cover includes a lens assembly removably attached in the aperture of the rear casing to extend the viewing capabilities of the camera lens.

The invention discloses a preparation method of a matte brick. The preparation method comprises the steps: preparing ground glaze, decorative patterns and surface glaze on the surface of a green bodysequentially, then performing drying and firing, performing polishing by using a matte grinding block and a fiber grinding block sequentially, and performing wax so as to obtain the matte brick finished product. The matte brick with a glossiness of 28-36 degrees is prepared through adoption of a reasonable surface glaze formula and a polishing technology, and the decorative patterns have good color and clear patterns, so that the brick is more similar to natural marble; and light reflection and light pollution are reduced through the brick, and broad application prospects are achieved.

A method and apparatus for reading a target object having areas of differing light reflectivity on the target such as a handheld bar code reader having a first illumination pattern, a detector for measuring a distance from the reader to a target object, a system threshold, and a comparator for evaluating the measured distance against the threshold. Should the reader's internal circuitry and / or software determine that the measured distance is greater than the threshold, a second illumination pattern is activated that has power effective illumination for increasing the operable reading distance between the reader and the target object. The second illumination pattern can be generated from a secondary illumination source or through a lens internal to the reader.

The invention relates to a novel environment-friendly energy-saving curtain wall, which comprises a double-layer curtain wall system and a vertical greening system. The double-layer curtain wall system comprises curtain walls which are independently arranged as an inner layer and an outer layer, wherein each curtain wall is respectively composed of an aluminum alloy frame and glass, and the two layers of curtain walls connected with the aluminum alloy frame are provided with an air cavity in the middle; the vertical greening system is positioned in the air cavity between the two layers of curtain walls; a slotted aluminum plate is arranged at the bottom of the air cavity and is connected with the aluminum alloy frames in a sealing manner; and a layer of plant fiber which prevents moisture from losing is arranged at the bottom in a slot of the slotted aluminum plate, and soil filled with fertilizers covers the plant fiber and is used for plant growth. According to the novel environment-friendly energy-saving curtain wall, the vertical greening system is smartly introduced into the double-layer curtain wall system, moisture in the air cavity is increased by utilizing the transpiration effect of plants in summer, a small greenhouse is formed in the air cavity by using the photosynthesis of the plants to resist cold air in winter, oxygen released by the plants and filtered fresh air are conveyed into rooms all the year around, and therefore multiple problems existing in the curtain wall system are solved.

A protective cover for an electronic device includes a front casing and a rear removably coupled to the front casing to substantially enclose the electronic device therein. The rear casing includes a plurality of mounting slots in spaced relation thereon, each mounting slot configured to receive a mounting clip to attach the cover with electronic device to an external article. The rear casing includes an aperture which aligns with a camera lens of the electronic device within the cover. The cover includes a lens assembly removably attached in the aperture of the rear casing to extend the viewing capabilities of the camera lens.

The invention relates to an assembly type steel bridge and a building method of the steel bridge. The assembly type steel bridge comprises supporting frames, a bridge deck slab, an H-shaped beam, bridge deck slab connecting parts and H-shaped beam locking mechanisms. The H-shaped beam is arranged on the supporting frames. The extension direction of the H-shaped beam is perpendicular to the extension direction of the supporting frames. The supporting frames support the H-shaped beam. The bridge deck slab is laid on the H-shaped beam. The supporting frames and the H-shaped beam are fixedly installed through the H-shaped beam locking mechanisms. The H-shaped beam and the bridge deck slab are fixedly installed through the bridge deck slab connecting parts. According to the steel bridge, the number of components is small, the structure is light and simple, erecting is fast, assembling, disassembling and replacing are convenient, the components can be purchased in batches according to the requirement of the construction progress in the construction and installation process, and installing and erecting are carried out while materials enter the site; in the disassembling process, disassembling is carried out while the materials are moved out of the site in batches, and the problem that due to stacking of the materials, construction of other special projects is influenced can be effectively solved.

A method and apparatus for reading a target object having areas of differing light reflectivity on the target such as a handheld bar code reader having a first illumination pattern, a detector for measuring a distance from the reader to a target object, a system threshold, and a comparator for evaluating the measured distance against the threshold. Should the reader's internal circuitry and / or software determine that the measured distance is greater than the threshold, a second illumination pattern is activated that has power effective illumination for increasing the operable reading distance between the reader and the target object. The second illumination pattern can be generated from a secondary illumination source or through a lens internal to the reader.

The invention discloses an explosion flash light supplementing device and method. The device comprises a CMOS image sensor and an explosion flash lamp. The explosion flash light supplementing device further comprises a calibration module, a CMOS control module and an explosion flash lamp control module. The calibration module is used for calibrating light sensing parameters of the CMOS image sensor; the CMOS control module is used for setting exposure time according to image brightness, determining light sensing unit column number information corresponding to an RIO according to the target position, issuing the exposure time and the light sensing unit column number information corresponding to the RIO to the explosion flash lamp control module, and issuing the exposure time to the CMOS image sensor; the explosion flash lamp control module is used for working out explosion flash parameters according to the light sensing parameters, worked out by the calibration module, of the CMOS image sensor, the exposure time issued by the CMOS control module and the light sensing unit column number information, issued by the CMOS control module, corresponding to the RIO, and controlling an explosion flash lamp to supplement light. The explosion flash lamp supplements light under control, so that light pollution is hardly caused, and power consumption is small.

An active infra-red surveillance illuminator uses a statistically mono-directional micro-diffractive material overlaid on a bank of light emitting diodes (LEDs) to refract light from the LEDs onto a target image. This delivers energy distribution profiles out to a distance to match the aspect ratios of current wide-angle target and wide-angle camera surveillance systems. The distribution of refracted light is elliptical. This distribution can vary by using different diffractive material in conjunction with various numbers, brightness and angles of the LEDs in an LED bank. The effective range of the illuminators is greatly extended with this type of illumination. By limiting infrared (IR) radiation down to a 10 degree vertical window it renders the IR illumination much more effective for surveillance imaging by providing much more effective power on wide, ground-level scenes, and particularly enables multi-lane license plate capture.

The invention discloses an intelligent LED mining lamp capable of evenly changing size of an illumination area. According to the intelligent LED mining lamp capable of evenly changing the size of the illumination area, the size of the illumination area of light can be changed by changing the field angle of a reflecting cover through remote control. The reflecting cover of the mining lamp comprises a plurality of reflecting plates, a plurality of flexible pieces and a bottom plate, the reflecting plates are connected to the bottom plate in a hinged mode, and the flexile pieces and reflecting plates are arranged at intervals and connected. The outer wall of the reflecting cover is sleeved with a sliding ring in a sliding mode, and a pushing mechanism connected with the sliding ring is fixed on a lamp body of the mining lamp. A universal rotating mechanism is installed on the mining lamp, a remote control system, a microcontroller and an automatic positioning remote control device are arranged on the mining lamp, a light emitting lamp is arranged on the bottom plate, and a control end of the light emitting lamp, a control end of the pushing mechanism, a control end of the remote control system and a control end of the automatic positioning remote control device are respectively connected with the microcontroller. The intelligent LED mining lamp capable of evenly changing the size of the illumination area is mainly used in the technology for changing sizes of illumination areas of mining lamps.

This invention relates to a method and apparatus comprising an illumination system which produces a light pattern ahead of the turbine blades which disrupts a bird's flight pattern and thus reduces and / or prevents the bird's impact on turbine blades.

A bill acceptor capable of reducing light pollution, avoiding errors and faults and enhancing detection accuracy and reliability is disclosed to include a housing defining a bill slot in a face panel thereof, a bill-receiving unit accommodated in the housing and including a holder base defining therein a bill passage in communication with the bill slot, a control module, a transmission mechanism and a recognition circuit assembly, the recognition circuit assembly including a sampling and validating module consisting of a plurality of light emitters and light sensors and controllable by the control module to validate the authenticity and face value of an inserted bill, and privacy filters mounted in a light path in the bill-receiving unit between the bill passage and the light sensors to filtrate external light sources and to let the light emitted by the light emitters pass toward the light sensors.

The invention discloses a brightness-adjustable car intelligent headlamp system based on the environment, and a method. The current environment of a car is preliminarily judged according to the car speed and light intensity, and the illumination brightness of the headlamp is adjusted based on the light intensity in the current environment, and the effects of energy saving and light pollution reduction are taken into account while meeting the lighting requirements. A design of the brightness-adjustable car intelligent headlamp system based on the environment is provided, and the brightness of the car lamp can be adjusted by collecting the environmental information through a sensor and judging by a master controller. The system comprises the sensor, the master controller and an actuator, thelighting brightness of the headlamp can be adjusted according to the driving state and the environmental information of the car, and energy is saved while providing a better road lighting effect fora driver.

The invention relates to an energy-saving and environment-friendly solar reactor for hydrogen production by methanol reforming and belongs to the technical field of photovoltaic heating equipment. Thereactor comprises a solar reception system, a methanol reforming reaction system, a tail gas dedusting treatment system and a support base, wherein the solar reception system, the methanol reformingreaction system and the tail gas dedusting treatment system are fixedly arranged on the support base sequentially, located on the same horizontal plane and communicated mutually. The energy-saving andenvironment-friendly solar reactor has the advantages that energy use ratio can be increased greatly, and losses of optical energy and waste heat can be reduced; dust pollution caused by nanoparticles and thermal pollution caused by excessive released waste heat are reduced, environment is protected, and energy is saved; operating data is monitored in real time by the equipment, feedback controlis realized by a computer, and the reactor has the characteristics of being high in automation degree, efficient, clean, environmentally friendly and energy-saving.

The invention discloses a control method for an intelligent bayonet light supplement system. The method comprises the steps as follows: A, an ambient light detection unit collects ambient light information to judge a daytime / night state and output the state to a control unit; B, the control unit outputs a signal to control an electric light source to start a daytime / night mode to work, and if in the daytime mode, the electric light source supplements light in a pulsing manner; C, under the night mode, a light changing supplement triggering unit judges whether a light changing supplement signal is triggered by a vehicle and distance between the triggered signal and a bayonet, and sends a judgment result to the control unit; D, when the vehicle triggers the light changing supplement signal, the control signal outputs the signal to adjust brightness of the electric light source to be gradually increased to medium brightness from low brightness to be ready for supplement light for photographing of a camera, and E, the camera takes a photo, the control unit controls the electric light source to supplement light for photographing of the camera in the pulsing manner under the daytime mode or reach the maximum brightness under the night mode to supplement light for photographing of the camera in a stroboscopic manner.

The invention belongs to the field of fire-fighting intelligent equipment, in particular to a fire-fighting emergency lamp with high safety. The ire-fighting emergency lamp comprises a shell installedin a ceiling and a lamp set. A mounting groove and a fire extinguishing cavity are formed in the shell; a light-transmitting plate is fixedly mounted at the lower end of the mounting groove; the lampset is mounted on the inner top surface of the mounting groove; a triangular prism which is horizontally arranged is arranged in the mounting groove; the two ends of the triangular prism are rotationally connected with the inner side walls of the mounting grooves through rotating rods correspondingly. The fire extinguishing cavity is filled with a fire extinguishing agent, the upper end of the fire extinguishing cavity fixedly communicates with a fire extinguishing pipe, the fire extinguishing pipe penetrates through the shell and extends to the lower surface of the shell, a pushing plate isslidably connected to the side wall of the fire extinguishing cavity, and the bottom of the pushing plate is fixedly connected with the inner bottom surface of the fire extinguishing cavity through amemory spring. The light color of the lamp set can be changed through the triangular prism, the influence on work and rest of people is avoided, the effect of a flash lamp is achieved when a fire occurs, the warning effect is high, and the safety performance is high.

The invention discloses an LED garden lamp comprising a light source component and a mounting bracket, wherein the light source component comprises a plurality of independent lamp strips which are enclosed into a circle, two ends of the independent lamp strips are fixed on the mounting bracket, and a plurality of LED light sources are arranged on the lamp strips at intervals; the mounting bracket comprises two circular base plates, the plurality of lamp strips are arranged between the two base plates at intervals, and the radius r of a circle enclosed by one ends of the lamp strips is smaller than the radius R of a circle enclosed by the other ends of the lamp strips so that the entire lamp has a pagoda shape. The LED garden lamp provided by the invention has a pagoda lamp structure so that rays of an LED light source within the range of a power angle can radiate a road surface or other effective regions as much as possible, thus, the utilization ratio of the light source is increased, the light pollution is greatly reduced, and a good heat radiating effect is achieved.

The invention provides a prefabricated steel jacket box underground continuous wall and a construction method thereof. The prefabricated steel jacket box underground continuous wall comprises a prefabricated steel jacket box and a concrete material which is poured into the prefabricated steel jacket box, wherein the prefabricated steel jacket box is formed by a plurality of steel jacket box units which are arranged in sequence, and each steel jacket box unit consists of wall plates, structural steel frames and truss structures. The construction method for the prefabricated steel jacket box underground continuous wall comprises the following steps: 1, providing the steel jacket box units, and manufacturing a guide wall; 2, placing the steel jacket box units into the guide wall to form the prefabricated steel jacket box; 3, pouring top seal concrete into the prefabricated steel jacket box; 4, replacing slurry in the prefabricated steel jacket box by clean water; 5, pouring the concrete into the prefabricated steel jacket box; 6, pressing and injecting cement slurry on the outer side of the prefabricated steel jacket box and at the bottom of the guide wall; 7, excavating along with earthwork, and welding the positions of seams on the inner side of the prefabricated steel jacket box to form the prefabricated steel jacket box underground continuous wall. According to the prefabricated steel jacket box underground continuous wall and the construction method thereof, the on-site field is greatly reduced, the construction efficiency is high, moreover, the water sealing property is good, and the structural strength is high.

The invention relates to a method for preparing anti-reflecting glass by an acid corrosion method from a Na2O-CaO-SiO2 system glass matrix. The method aims to reduce the surface reflectivity of glass for photovoltaic purpose, photo-thermal purpose, buildings greenhouses and decoration purpose and increase the transmissivity of the glass, thereby increasing solar utilization rate, improving photoelectric or photo-thermal conversion efficiency, enhancing vision sharpness and reducing light pollution. The purposes of the method are achieved by the following technical scheme: firstly, the glass matrix is put in a corrosion tank holding acidic solution and corroded in the corrosion tank; and after being taken out and cleaned, the glass matrix is put in a drying oven to be dried, thus the anti-reflecting glass is obtained. The method has the benefits that the cost is low, and the glass is good in anti-reflecting performance and high in transmissivity; and the transmissivity of the glass to the visible light can reach 97%.

The invention relates to a reflector for a luminaire. The reflector comprises a cavity (101) for receiving a lamp intended to emit light and, located around said cavity, a first annular louver member (201) arranged in a first direction and a second annular louver member (202) arranged in a second, opposite direction.

The invention discloses a low-power vertical wind generator fixed with upper vane and lower vane supporting discs at the upper and lower ends of a center column, respectively, installing plural vanes between the two supporting discs through vane shaft coupling, where the lower end of each vane is connected with a vane windward angle drive mechanism through the vane shaft coupling, the upper end of the center column is connected with an anchor and the lower end of the center column is connected through a main bearing to a base, the main bearing is connected with a generator equipped with reducer through a power transmission mechanism provided with sensor; a wind vane is arranged above the anchor, and the sensor is connected with the windward angle drive mechanism through main controller and the whole is anchored with cable through the anchor, and the main bearing is of a compound pull bearing structure. And it effectively prolongs service life and has strong practicality.

The invention relates to a road illumination and pre-warning method based on environment and flow. The method is characterized by comprising the following steps of: (1) analyzing states of roads, determining a key point, and mounting a sensor group, a control cabinet and a lamp group; (2) mounting an information processor, and presetting threshold information of each sensor; (3) collecting traffic flow and environment information by the sensor group; (4) receiving and processing the information collected by the sensor through the information processor, and transmitting the processing result to the control cabinet; and (5) generating a control instruction after the control cabinet receives the information transmitted by the information processor, and controlling work of an illumination lamp group of the lamp group. The invention also discloses a road illumination and pre-warning system based on environment and flow. According to the method and system disclosed by the invention, assistant illumination and traffic pre-warning can be provided according to the environment and flow state of a road, manpower cost is saved, traffic safety is ensured, energy is saved, and environment is protected.

The invention relates to a method for preparing an antireflection glass with an alkaline corrosion method through a Na2O-CaO-SiO2 system glass base, and aims to reduce reflectivity of a photovoltaic glass surface, a photo-thermal glass surface, a building glass surface, a room temperature glass surface and a decorative glass surface, and increase the transmittance, so as to increase a sunlight utilization rate, improve photoelectric or photo-thermal conversion efficiency, improve visual definition, and reduce light pollution. The purpose of the invention is achieved by the technical scheme that: placing a glass base body into an alkaline solution corrosion tank to be corroded; taking out, and cleaning, and then placing into an oven to be parched to obtain an antireflection glass. The method has the beneficial effects of low cost, good antireflection performance of the glass, high transmittance, and has a visible light transmittance of over 97%.

The invention relates to a DMD control method in high dynamic range imaging, relates to DMD light intensity modulation and control manners in the imaging detection field of high-dynamic-range radiation scenes, and aims at solving the problem that a present DMD light intensity modulation technology tends to cause multiple times of micromirror overturn in one frame of light intensity modulation. The DMD control method comprises the steps of limiting a light intensity modulation weight, and limiting the continuous time of each bit of a binary value of the light intensity modulation weight within one frame. The DMD control method can reduce the overturn times of the DMD in the imaging detection of high-dynamic-range radiation scenes, and improves the DMD light modulation precision.

The invention discloses an outdoor display screen and LED packaging devices thereof. The outdoor display screen comprises the LED packaging devices. Each LED packaging device comprises an LED light-emitting chip, a packaging body covering the LED light-emitting device, and a reflection layer covering a light-emitting face on the upper side of the packaging body, wherein the reflection layer enables light rays incident to the reflection layer from the packaging body to be reflected to a light-emitting face on the lower side of the packaging body. Through the mode, the outdoor display screen and the LED packaging devices can effectively promote the light intensity of a visual part, therefore achieves an energy-saving effect at the application end of the display screen, and can reduce light pollution.

The invention relates to a light-emitting diode (LED) polarized light underground lamp and belongs to the field of outdoor landscape lighting lamps. The LED polarized light underground lamp is mainly used for plant and building lighting. Existing traditional underground lamps not only are poor in lighting effect and energy saving effect, but also emit light right above in the light-emitting direction, and the light-emitting angles are in bilateral symmetry distribution. Actually, due to the fact that irradiated objects are basically located on one side of a lamp, only part of light can shine on an object, and the remaining is wasted in the air. The LED polarized light underground lamp comprises a sealing base, a power supply, a light source plate having heat dissipation effect, a polarized lens, glass, a sealing rubber ring, a stainless steel mask and screws. Due to the fact that the polarized lens is used for the underground lamp, all emitted light is projected on the irradiated objects through secondary optics, not only is the light fully utilized, but also air pollution of the light is avoided to the largest extent, and the underground lamp has great environmental protection effect. The product is easy to produce and low in cost and is easily popularized and applied by users.