877 results about "Light pollution" patented technology

The present invention provides an illumination apparatus comprising one or more first light-emitting elements and one or more second light-emitting elements and a control system configured to control the operation of the one or more first and one or more second light-emitting elements. As the illumination apparatus according to the present invention is configured to generate utility illumination using two different and substantially monochromatic light-emitting element light sources, the light pollution resulting from the utility illumination generated by the illumination apparatus is reduced, when compared to a polychromatic light source.

The invention provides convex vacuum glass, which comprises upper glass and lower glass, wherein peripheries of the upper glass and the lower glass are welded together through low-temperature solder; a sealed vacuum layer is formed between the upper glass and the lower glass; the upper glass and the lower glass are convex glass; and the convex surface is toward the outer side. The manufacture method of the vacuum glass disclosed by the invention is simple in process; and with the adoption of the prepared vacuum glass and toughened vacuum glass, the defects in the prior art can be overcome, the gas tightness of the vacuum glass can be effectively ensured, the transparency, the strength and heat-insulation and sound-insulation performances can be can increased, and light pollution of a glass curtain wall also can be reduced.

The invention discloses a mechanical arm tail end tracking and measuring system and method based on a coding azimuth device. The system comprises a mechanical arm, a polyhedron coding point feature measuring target, a mechanical arm tail end executor, a mechanical arm control cabinet, a measuring camera and an upper computer. The system and method has the advantages that monocular vision pose estimation is used to satisfy the requirements of large visual fields, the system is simple in structure and low in manufacturing cost, and influence of light pollution in complex industrial environments on positioning precision is avoided by the polyhedron coding point feature measuring target.

Light fixtures having a plurality of light-emitting diodes that maximize the amount of direct light into an intended area. The light fixture may include a carriage with a first (top) end and a second (bottom) end. A hood may be mounted to the first end of the carriage. At least one light engine comprising a plurality of light sources is mounted to the hood. The light sources emit light downwardly directly onto an intended area. In certain embodiments the second end of the carriage is shaped and sized so that it does not interfere with emission of the light to the intended area. The light fixture thus provides light in a thermally efficient manner, maximizes the amount of direct light, and limits the amount of light pollution.

The invention relates to a graphene / TiO2-based near-infrared / ultraviolet radiation resistant polymer composite film and a preparation method thereof, relating to a near-infrared / ultraviolet radiation resistant composite film and a preparation method thereof. The invention aims to solve the problems of the existing heat reflecting material such as poor heat insulation effect, low transparency, serious light pollution and high production cost and the like. The composite film is prepared by adding the mixed liquid of graphene oxide dispersion and nano-TiO2 dispersion in the curing system of epoxy acrylate at a volume ratio of 1-10:50. The preparation method comprises the following steps: 1) preparing graphene oxide; 2) preparing TiO2 nanoparticles; 3) preparing nanometer graphene / TiO2 composite; and 4) preparing the graphene / TiO2-based near-infrared / ultraviolet radiation resistant polymer composite film. The composite film is mainly used for the glass coating of a building or means of transport for running an air-conditioning system.

A system for preventing light pollution includes one or more radar units that monitor for vehicles in a volume surrounding or containing one or more obstructions having one or more obstruction lights. A master radar detection processing unit receives sensed radar detection information from the one or more radar units with associated radar signal processing units and determines whether a vehicle is present within the monitored volume. A plurality of obstruction light controller units are interconnected in a network, such as a wireless network. Each obstruction light controller unit turns on an obstruction light when a vehicle enters the monitored volume or a failure condition exists, and turns off the obstruction light when the vehicle has vacated the monitored volume and no failure condition exists. The one or more radar units can transmit sensed radar detection information to a master radar detection processing unit via the network.

Luminaires for illumination of vertical surfaces of predetermined dimensions such as billboards or similar signs, the invention in several embodiments takes the form of reflector assemblies capable of directing light from a light source disposed within each of said luminaires either directly to the vertical surface or to refractive structures located on the luminaires for redirection of light to the vertical surface for even illumination of said surface with minimal light pollution from “spill” light. Lamps used in embodiments capable of providing asymmetrical light distributions are located toward one or the other of side portions and are preferably vertically oriented. A main reflector is curvilinear in conformation and functions in concert with a secondary reflector located directly behind the lamp to direct light onto desired portions of a vertical surface. Luminaires configured according to the invention also utilize side reflectance panels for light control and for maximizing light directed onto a vertical surface, said luminaires also preferably including refractive lens elements for redirection of light onto the vertical surface. The reflector assemblies of the invention are mounted within weather-tight housings, the refractive structures conveniently being disposed on or formed integrally with a transparent glass or plastic cover that completes the housing, said cover being located between the lamp and the vertical surface to be illuminated. Efficiencies occasioned by the present luminaires permit illumination of billboards and similar signs of standard dimensions with only two of the luminaires and with full and even illumination with minimal light spillage, a capability approached previously in the art only with a greater number of luminaires.

A lighting system producing a light pattern that is customized in the field by the end user to minimize light pollution. A housing supports a light source that is connected to a power supply. The housing defines an interior chamber. An opaque or low visible light transmissivity shield is bent or formed into a generally tubular shape and is inserted into the chamber surrounding the light source. The shield includes folds, perforations, pre-scoring, grooves, and the like defining sections that can be easily detached to create windows. The windows permit outgoing light to pass while the remaining areas of the shield attenuate or block the outgoing light. The shield includes teeth that engage respective recesses in the housing to prevent rotation of the shield once installed.

The invention discloses a coating composition coated on glass surfaces. The coating composition comprises 10-80wt% of nano slurry, 20-80wt% of film-forming substance, 0-50wt% of solvent and 0.1-1wt% of auxiliaries. The coating composition is used for preparing coated glass and has the advantages of capability of reducing light pollution and possessing low manufacturing cost.

The invention discloses an imaging touch control film. The imaging touch control film comprises a back projection imaging film with back projection imaging function, an electromagnetic induction layer consisting of ultrafine conducting wire grids and a transparent protective film which are orderly attached. The imaging touch control film has lower cost, high recognition precision and long service life, is convenient for assembly and disassembly, and is convenient for mass application. The invention also discloses a large-screen interactive media system applying the imaging touch control film, the large-screen interactive media system comprises the imaging touch control film which is adhered to the rear side of thick sheet glass as well as a controller and a data processor which are connected with the large-screen interactive media system, an output end of the data processor is connected to a liquid crystal display screen or a projector through a VGA, and another output end is connected to an audio through an audio output port. The large-screen interactive media system has the advantages that the large-screen interactive media system saves energy sources, reduces light pollution, has safe use, and is suitable for various occasions, thereby achieving active interactive media effect.

The invention relates to a method for producing low-pollution composite inverse penetration film. Wherein, it comprises that (1), preparing A solution; (2), preparing B solution; (3), preparing C solution that dissolving polyvinyl alcohol whose average polymer degree is n=500-3000 and saponification degree is 75% into hot water at 60Deg. C to prepare the solution whose density is 2.0%; adding one of fatty group, heat convertible resin, or zirconyl ammonium carbonate at 0.2% and the HCl at 0.1%; mixing for 30mins, to form C solution; (4), coating A solution on polysulfone support layer, to form A solution layer; contacting support layer with B solution, drying to form polysulfone layer; coating C solution on polyamide layer, drying.

The invention relates to a method for dyeing textile materials and products thereof, and belongs to the field of textile printing and dyeing processing. In the method, prepared dye solution is subjected to ultrasonic atomization to form dye solution microbeads, and the dye solution microbeads directionally infiltrate the textile under the action of certain pressure and an electric field so as to complete the dyeing process. Due to the adoption of the technical scheme, dye solution atomized microbeads prepared from the dye solution through a high-frequency ultrasonic atomizer have smaller grain size, a small dispersion range on the textile and more fine and smooth dyeing effect; the dye solution atomized microbeads enter fibers more easily under the action of the air pressure and the electric field, and have better dyeing effect; and the atomized microbeads carry less solution, the utilization rate of the dye is high, water can be saved and the environmental pollution is lightened. The dyeing method has a wide application range, low energy consumption and light pollution, and is suitable for small-batch and multi-variety printing technology development direction.

A system for preventing light pollution includes one or more radar units that monitor for vehicles in a volume surrounding or containing one or more obstructions having one or more obstruction lights. A master radar detection processing unit receives sensed radar detection information from the one or more radar units with associated radar signal processing units and determines whether a vehicle is present within the monitored volume. A plurality of obstruction light controller units are interconnected in a network, such as a wireless network. Each obstruction light controller unit turns on an obstruction light when a vehicle enters the monitored volume or a failure condition exists, and turns off the obstruction light when the vehicle has vacated the monitored volume and no failure condition exists. The one or more radar units can transmit sensed radar detection information to a master radar detection processing unit via the network.

A system and method for exposing different parts of a single field of view for various and differing lengths of time while capturing an image is provided. For astrophotography, unwanted light pollution or over-saturation bleeding from nearby or obtrusive stars may be greatly reduced or eliminated while still capturing the image of the nearby brighter star in the same field of view. Also, a system and method for real-time contrast control while capturing an image to optimize signal-to-noise ratio for various parts of the captured image, is provided. An embodiment of the present invention provides such techniques by using spatial light modulator devices, such as a digital micro-mirror device, to controllably mask different portions of light from an image that expose film or a charge-coupled device. A system and method for a way to use a spatial light modulator device as an active and controllable mask for photolithography, is provided.

The invention discloses a trace corrosive gas environmental test box and belongs to the technical field of environment friendliness and material corrosion research. The trace corrosive gas environmental test box comprises a clean air supply module, a trace corrosive gas generation module, a sample corrosion test reaction module, an air recovery module and an in-situ image acquisition system. A multi-gas-path trace corrosive gas environmental test box which can perform in-situ observation on the surface state of a sample and control temperature to be 25 to 80 DEG C, humidity to be 40 to 97 percent and the concentration of the trace corrosive gas to be 10 to 10,000ppb is implemented. The trace corrosive gas environmental test box has the advantages of occupying small floor, along with simple structure, convenience in operation, light pollution, high accuracy, capacity of controlling temperature, humidity and the concentration of polluted air simultaneously and acquiring images of a sample state in real time, and can be applied to scientific research and engineering experimental research.

The invention discloses an assembly type building pipeline supporting and lifting frame system installation method based on a BIM. The installation method includes the steps that supporting and lifting frame design and stress analysis are conducted, the supporting and lifting frame connecting and fixing manner is determined, and a supporting and lifting frame design drawing is obtained; the drawing is guided into BIM software, and three-dimensional modeling is conducted; adjustment optimization is conducted on supporting and lifting frame arrangement, arrangement design, stress calculation and product model selecting of supporting and lifting frames are completed; part drawings and assembling drawings of all assemblies are generated, and factory production of the assemblies is achieved accordingly; measuring paying-off of the supporting and lifting frame system is conducted on the spot, and structure punching operation is conducted accordingly; and the supporting and lifting frames are formed through assembling, and installation is completed. By means of the assembly type building pipeline supporting and lifting frame system installation method based on the BIM, energy can be obviously saved, steel is saved, air pollution, noise pollution and light pollution brought by field feeding, cutting, welding, drilling and the like are avoided during installation, the manufacturing cost is reduced, meanwhile, the field safety of a constructor is ensured, and the work intensity of a laborer is effectively lowered.

A variable lighting system (“VLS”) for optimizing object visibility at night by setting a base level of lighting, adding a variable light to that base level of lighting, and a synchronizing the timing and sequence of the base level of lighting and the variable lighting. The variable lighting system varies light by intensity, color, direction, or a combination thereof. The variable lighting system also optionally includes a detector for detecting motion, noise, and other occurrences. The variable lighting system can be implemented as a fixed lighting source, a movable lighting source, or a vehicle mounted lighting source. The VLS improves visibility at night for viewers or motorists thereby reducing accidents and damage costs. The VLS saves energy and improves the environment and enhances quality of life by reducing light pollution and light trespass.

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.

To enable legal twenty-four hour national flag display, to permit night display of vehicle-mounted school and team flags, and to do either with minimal increase in night sky light pollution, I mount a light source immediately adjacent a flag and direct the light essentially directly toward the flag, rather than upwardly into the sky. Preferably, the light source is provided within a transparent portion of the flag-mounting pole, and is ideally focused directly toward the flag by a reflector which is adapted to shift positions with changes in flag positions due to directional changes of air flow across the flag.

The invention discloses a method for preparing graphene. The method comprises the following steps of: adding natural graphite, persulfate and phosphorus pentoxide into concentrated sulfuric acid, and reacting with stirring to obtain pre-oxidated graphite; adding pre-oxidated graphite, nitrate and potassium permanganate into concentrated sulfuric acid sequentially and reacting to obtain graphite oxide; and dissolving the graphite oxide in alcohol to prepare solution, performing ultrasonic dispersion, reacting in the sealed environment at the temperature of between 120 and 220 DEG C for 4 to 48houhrs, and then performing centrifugal washing until the pH is 6.5 to 7.5, and performing vacuum drying to obtain black graphene powder. No reducing agent is adopted in the method, the reducing capacity of a solvent is used to reduce the graphite oxide, and the method has the advantages of low cost, and light pollution, and is suitable for large-scale industrial production.

The invention provides a light-emitting diode (LED) eye-protecting lamp with multiple illuminators which comprises an LED area light source, a heat dissipating shell, a rotating shaft structure matched with a natural light sensor and a low-voltage direct current drive controller used for adjusting brightness. The LED eye-protecting lamp with multiple illuminators has the advantages that adjustment control function is intelligent, low-voltage input is safe, appearance of the eye-protecting lamp can be designed variously, problems of direct glare of the light source illuminators and indirect glare of the lighting device are solved under the condition that high-light of the eye-protecting lamp is ensured, structure is reasonable and compact, manufacturing is convenient, purposes of energy-efficient, environmental protection, conscious, flicker-free, no radiation, no glare, no shadows and no light pollution are achieved truly, and the LED eye-protecting lamp with multiple illuminators has high social benefits and economic benefits.

The invention provides a rubber-timber-cement functional environment-friendly compound material, which belongs to the field of cement-base compound material. The material adopts the waste tire rubber, waste rubber products, woody material and silicate cement as raw materials, an isocyanate-based adhesive is coated on the surface of the waste rubber particles, then the woody material is soaked and dried, and the treated rubber particles, the woody material and cement are mixed to form a blank material, which is finally laid, pressed and cured so as to obtain the compound material. The compound material provided by the invention can absorb and insulate sound, has high shock resistance and damping property, and is wear-resistant, antistatic, mothproof, waterproof and anticorrosive; also the material is heat-insulating and friendly to the environment, etc.; the production process has no chemical pollution source, no radioactivity, no light pollution and no noise. The invention blazes a new path for solving the 'black pollution' of increasing waste tires, which is a global problem; additionally, the compound material can be used for producing structural lumber.

The invention discloses a plant curtain wall. The planting matrix of the plant curtain wall is matrix cloth (1,2,3) which is formed by fixing a chemical fiber non-woven fabric layer or a felt layer and a plastic water-proof layer into a whole, wherein a planting aperture (5) is reserved on the surface layer of the matrix cloth; the upper side of the cloth is clamped with a dripping (seepage) pipe (6) which is transversely arranged; the pipe (6) is connected with a water inlet pipe (7); the lower end of the water inlet pipe is connected with a timing water pump (9); a water guide groove (8) and a water tank (10) are connected under the lower side of the matrix cloth; the timing water pump (9) is arranged in the water tank (10); and the matrix cloth is fixed by a fastener or a pendant and a bracket body or a wall body. A method for manufacturing the plant curtain wall comprises the following steps of: the preparation of raw materials, the assembly of the plant curtain wall, and the cultivation and the management of the plant. The plant curtain wall manufactured by the method has the advantages of no light pollution, no thermal radiation, no radioactive substance, variable combination modes of colors and patterns, little occupied area, energy conservation, beautified environment and purified air.

The present invention discloses a PPG imaging device and a PPG measuring method. The PPG imaging device comprises a light emitting unit, a collimator unit, a beam splitter unit, an image sensing unit, and an image analysis unit. The light emitting unit provides an incident light signal. The collimator unit receives the incident light signal and transforms the incident light signal into a parallel light signal. The beam splitter unit receives the parallel light signal and reflects it to a tested region. The image sensing unit receives a reflected light signal reflected from the tested region and converts it into image signals. The image analysis unit connects with the image sensing unit and analyzes the image signals to obtain PPG signals of the tested region. The PPG imaging device may be arranged in an anti-light pollution unit, whereby to prevent from optical interference and obtain higher measurement precision.

The invention relates to a method for preparing porous carbon and white carbon black by using diatomite. The method comprises the following steps of: catalyzing a carbon source with the solid acid site of the diatomite serving as a template as well as a catalyst to polymerize the carbon source and generate the porous carbon having a diatom shell shape; and removing the template with strong alkali and treating obtained waste liquor to generate the white carbon black having a large specific surface area. The obtained porous carbon has a multi-stage pore canal structure and a specific surface area of over 250 m<2> / g and is widely used in fields such as adsorption, separation, loading, capacitor preparation and the like. The obtained white carbon black has a specific surface area of over 400 m<2> / g and can be used in fields such as reinforcing agents, diluents, cementing agents, fillers, carriers and the like. The method has the advantages of simple process, low cost, light pollution, low energy consumption and the like.

A composite nano-SiO2 / TiO2 membrane as photocatalyst for treating the slightly polluted indoor air is prepared by sol-gel method, which includes such steps as preparing sol, immersing the treated glass fibres in it, pulling up, drying and calcining.

The invention provides a method for preparing a solid repair agent by using protein peptide and repairing soil by using the soil repair agent. The method comprises the steps of: preparing the protein peptide prepared by using a method in the patent ZL200610019063.7 or the protein peptide prepared by using protein-containing waste according to the following formula in site, wherein the formula comprises 1) 5-10 percent of protein peptide, 2-6 percent of molasses and the balance of water; 2) 5-10 percent of protein peptide, 0.5-1.0 percent of laccase crude product, 1-2 percent of laccase strain and the balance of water; and 3), 5-10 percent of protein peptide and the balance of water. The formula 1 is suitable for the soil in which plants are planted and which is seriously polluted by heavy metal ions; the formula 2 is suitable for the soil in which plants are planted and which is seriously polluted by heavy metal ions and is polluted by polycyclic aromatic hydrocarbon; and the formula 3 is suitable for directly acting on conventional polluted soil with light pollution. The protein peptide soil repair agent can be used as a nutrient in which a microorganism or indigenous microorganism for promoting the enrichment of the plants to the heavy metal ions, so that the polluted soil is repaired. The soil repair agent has low price, high efficiency and good effect.

The invention discloses a fill light lamp automatic control method based on video analysis. The fill light lamp automatic control method based on the video analysis achieves the automatic control over a fill light lamp according to the changing of brightness values in a monitoring area. The fill light lamp automatic control method based on the video analysis achieves the self-adaptive control over the fill light lamp according to the changing of ambient brightness, avoids electric energy waste and light pollution to the environment by the fill light lamp, avoids the phenomena that the definition of monitoring video images declines due to insufficient light and the fill light lamp may flicker, saves equipment investment, shortens mounting construction cycles, and improves the reliability of system working.