168results about "Using daylight" patented technology

The utility model relates to a light-transmitting guide pipe structure of a light-transmitting concrete outer wall, which is used for being matched with construction of a non-contact double-layer outer wall and forming a light guide channel penetrating through the double-layer outer wall at the same time after the construction is completed. The light-transmitting guide pipe structure comprises a first sleeve, a second sleeve and a transparent light guide rod; one end of the first sleeve is connected to one end of the second sleeve in a sleeved mode, and a pipe cavity with the inner diameter decreasing from the first sleeve to the second sleeve is formed in the pipe. The length and the shape of the transparent light guide rod correspond to those of the tube cavity; the first sleeve and the second sleeve are sequentially matched with the double-layer wall body for construction and connection, while sequential construction of the double-layer wall body is not affected, a lateral light shielding channel is formed after the double-layer wall body is used, and then a light guide channel penetrating through the double-layer wall body at the same time is formed after the transparent light guide bar is inserted into the double-layer wall body; the limitation that a conventional light-transmitting rod can only be applied to a single-layer concrete wall is eliminated, and the application scene of the light-transmitting concrete wall is expanded.

A light guide includes: a light entrance section which has a light entrance surface to which light is input, reflective surfaces and a light transmitting section, the reflective surfaces reflecting a part of the light input, and the light transmitting section transmitting another part of the light input and reflected light reflected by the reflective surfaces; a light guiding section which has a light exit surface, and guides the reflected light so that it is output from the light exit surface; and a continuous section and a non-continuous section. A large part of the light collected by the light entrance section can be output from the light exit surface, by a part of the light input being reflected by the reflective surfaces and the reflected light entering the light guiding section from the light transmitting section via the continuous section to be guided within the light guiding section.

The utility model provides a groove type compound paraboloid light guide photoelectric integrated lighting device which can overcome the defects, achieve efficient light condensation and effective light guide and combine the power generation function. The groove-type compound paraboloid light guide photoelectric integrated lighting device comprises a groove-type compound paraboloid condenser, a light guide cavity and a groove-type compound paraboloid condenser, wherein the groove-type compound paraboloid condenser is used for focusing part of solar rays and transmitting the solar rays to the light guide cavity; the groove type compound paraboloid condenser is also used for focusing the other part of solar rays on the solar photovoltaic module; a diffuser is arranged at a light outlet of the light guide cavity, and the light guide cavity is used for transmitting light transmitted by the groove type compound paraboloid condenser to the diffuser; the diffuser is used for scattering light into a use environment to realize a lighting function; and the solar photovoltaic module is used for directly converting the gathered light into electric energy.

The present application relates to the field of tunnel sunlight illumination control, in particular to an active sensing type intelligent sunlight illumination light scattering device and method for tunnel operation and maintenance, comprising a light guide reflective light scattering device and an intelligent sliding rail system arranged at the top of the light guide reflective light scattering device, the light guide reflective light scattering device comprises a light scattering support plate and a road surface brightness sensor; compared with the equidistant installation method of the traditional tunnel lighting system, according to the actual required illumination requirements of each section in the tunnel, the actual situation of the tunnel area and the actual design use of the tunnel, the position, angle and height of the light guide reflective light scattering device can be adjusted in real time and actively, so as to realize the accurate adjustment of the sunlight in the tunnel, make the light intensity uniformly distributed, ensure the uniformity and continuity of the lighting effect, enhance the comfort and improve the visibility, so that the driver can more accurately judge the road conditions under the uniform illumination, reduce the safety hidden danger in the tunnel, and provide a better driving environment for the driver.

The invention relates to a device for reflecting daylight in a fixed direction chosen by the user, despite the sun's movement. The device is distinguished by its ability to be placed in any position and requires no calibration by the user. It positions itself in the Earth's frame of reference using an accelerometer coupled to a solar sighting system, which allows it to determine its position in the Earth's frame of reference and orient the mirror to maintain a constant direction of the reflected beam. The beam is unaffected by any cast shadows, and the system's accuracy is increased compared to compass-based devices. (Shorthand figure: Figure 1)

The invention provides an adjustable daylighting device and a using method, the adjustable daylighting device comprises a light condensation part, a light diffusion part, a light guide part and an adjusting part, the first end of the light guide part is connected with the light condensation part, the adjusting part comprises an adjusting part body connected with the second end of the light guide part and a plurality of shading blades arranged in the adjusting part body in the circumferential direction, and the shading blades are arranged in the adjusting part body. Each shading blade is rotatably connected to the adjusting part body so as to adjust the shading area in the adjusting part body, and the adjusting part body is connected with the light scattering part. According to the use method of the adjustable lighting device, natural light is transmitted to the adjusting part body through the light guide part after being gathered through the light gathering part, the shading blades are controlled to move so as to adjust the shading area in the adjusting part body, and the adjusted light is diffused and output through the light diffusing part. The lighting device has the beneficial effects that the shading area can be dynamically adjusted according to requirements, natural light is used for assisting in lighting, and the lighting device is energy-saving and environment-friendly and has flexibility and comfort in use.

A light transmissive structure includes a light transmissive substrate having first and second opposing faces and array of microprism elements on the first face. A respective microprism element includes at least one ring comprising a plurality of microstructure pyramids that is rotated randomly and / or pseudorandomly on the first face about an axis that is orthogonal to the substrate relative to at least one other microprism element. The light transmissive structure is configured to receive light from a light source facing the first face and distribute the light emerging from the second face in a 2D batwing distribution.

This application relates to a supplementary lighting system and method for climate chambers, belonging to the field of artificial climate chamber technology, to solve the problems of low accuracy in judging lighting needs and poor effectiveness in utilizing natural light in existing climate chamber supplementary lighting. The method includes: collecting signals of natural light intensity, incident direction, and photosynthetically effective spectral distribution; constructing a comprehensive lighting judgment value to determine the lighting needs; comparing the incident direction with the optimal light-incident direction of the light guide plate and initiating the rotation adjustment of the tracking light beam; and combining the transmission effect feedback calibration of the fiber optic light guide system. This application achieves accurate judgment of lighting needs and efficient utilization of natural light through the synergy of multi-dimensional signal acquisition, comprehensive judgment, directional light tracking, and transmission calibration, solving the problems of poor adaptability and high energy consumption caused by single-parameter detection and fixed light guides in traditional supplementary lighting.

The present application relates to the field of eutrophication lake water ecological restoration, and discloses a device and system for improving underwater light conditions of a lake. Natural light on the water surface is introduced into the underwater area near the device through refraction and reflection by using a light path system, effectively improving the underwater light intensity. A wave dissipation system is arranged below the light path system to prevent disturbance of the water body and sediments by small waves, to a certain extent, reducing the influence of sediments and resuspension on water transparency, and further improving the underwater light conditions. The light path system, the wave dissipation system and the underwater fixing system are sequentially fixed and connected from top to bottom, and the height of the light path system and the wave dissipation system is adjusted through the underwater fixing system with the rise and fall of the water surface, improving the applicability of the device. The device has the characteristics of simple structure, convenient operation, good performance, easy installation and recycling, etc. It can effectively reduce the adverse effects of insufficient underwater light of the lake and wave disturbance on the growth of submerged plants.

The utility model is applicable to the technical field of underground shafts, and provides a lighting and ventilating shaft for underground space, which comprises a shaft body. The well mouth is communicated with the upper portion of the well body, and a mounting frame is arranged at an opening of the well mouth and is obliquely arranged; a reflective main lens is arranged at the upper part of the well body close to one side with larger inclination gradient of the mounting frame; a first light-reflecting secondary lens is arranged at the inclined lower position of one side, opposite to the light-reflecting primary lens, of the well body; a second light reflecting secondary lens is arranged at the inclined lower position of one side, opposite to the first light reflecting secondary lens, of the well body; through collaborative optimization of the daylighting skylight and the reflective lenses, natural light is introduced into the well body to the maximum extent, sufficient and uniform natural illumination is provided for underground space, and effective energy conservation and implementation of the environment protection concept are achieved; meanwhile, the ventilation system can efficiently adsorb and discharge foul air in the underground space, and the air quality is remarkably improved.

The invention discloses a market roof lighting structure and a construction method, and belongs to the technical field of building construction. Comprising a supporting frame, a mounting plate is fixedly arranged on the side face of the supporting frame, a mounting channel is formed in the supporting frame, a limiting structure used for limiting the mounting channel is arranged on the supporting frame, one end of the mounting channel extends into the mounting plate, and a plurality of mounting frames are slidably arranged in the mounting channel; daylighting panels are fixedly arranged in the multiple mounting frames, positioning grooves are formed in one sides of the mounting frames, positioning plates are fixedly arranged on the sides, away from the positioning grooves, of the mounting frames, and the positioning plates can be connected with the positioning grooves in an inserted mode. The maintenance process is effectively simplified, the maintenance operation time is shortened, and the maintenance efficiency is remarkably improved.

A device for converting electromagnetic radiation (e.g., nonuniform laser light) into electricity comprises an expander that includes a conical shape having an axis and a curved surface that is configured to reflect electromagnetic radiation away from the axis to expand a beam of the electromagnetic radiation; and one or more energy conversion components configured to receive a beam of electromagnetic radiation expanded by the expander, and to generate electricity from the expanded beam of electromagnetic radiation. With the expander's curved surface, a beam of electromagnetic radiation that is highly concentrated—has a large radiation flux—may be converted into a beam that has a larger cross-sectional area. Moreover, one can configure, if desired, the curved surface to provide a substantially uniform distribution of radiation across the expanded cross-sectional area. With such an expanded beam the one or more energy conversion components can efficiently convert the electromagnetic radiation into electricity.

Power-free optical light guidance and extraction system for transparent media, consisting of a transparent base medium that absorbs light, guides it within the medium and extracts it via defined structures, without electrical energy input.

To suppress glare and ensure brightness in an interior space.SOLUTION: A daylighting device for introducing external light into the interior of a building through an opening BO provided in the building, the device comprising a light-transmitting resin-molded light collection section having an incident surface 30e located on an exterior side and inclined upward, an emission surface 30f located on an interior side and inclined upward, and an internal reflection surface 30d configured to reflect light incident from the incident surface 30e toward the emission surface 30f.SELECTED DRAWING: Figure 17

The invention discloses a large-view-field sunlight receiving and conducting system, and relates to the technical field of sunlight receiving and conducting. The system is formed by modularization cascade amplification of a plurality of independent light condensation devices, each independent light condensation device comprises a protection cover, a lens, a lens array and an optical fiber array, and the lenses, the lens arrays and the optical fiber arrays are sequentially arranged in the protection covers from top to bottom in an overlapped mode; the system further comprises a light splitting device composed of light transmission optical fibers, and the light splitting device is used for disordering and rearranging the optical fiber bundles from the multiple independent light condensation devices to achieve out-of-order uniform output of the optical fibers. Large-view-field sunlight collection is achieved through modular cascade amplification, damage of strong light to a device is reduced through spectral pupil design, the efficiency is improved through optical fiber array coupling, output light intensity uniformity is achieved through optical fiber out-of-order rearrangement, optical fiber light condensation energy can be effectively improved, end face damage is reduced, and the device is suitable for large-view-field sunlight collection. The system is suitable for various scenes such as indoor illumination and agricultural light supplement.

This invention provides a light duct with a simple configuration that reduces the number of times sunlight is reflected while changing the direction of incoming sunlight to be horizontal. [Solution] The light duct 50, which reflects sunlight 9 taken inside and guides it to a predetermined location, has a light-collecting section 51 with an upward-facing opening 60 for collecting sunlight, and a light-guiding section 52 connected to the light-collecting section and including a horizontal section 71 that extends at least horizontally. The light-collecting section has a bottom plate 56 that slopes downward toward the north.

The utility model relates to a light guide pipe system technical field especially relates to a roof ventilating light guide pipe system, include: light guide pipe and ventilating pipe, the roof is provided with the through hole that passes through the inside and outside of house, the ventilating pipe is installed on the through hole vertically, the upper and lower ends of ventilating pipe are located roof outer wall above and inner wall below respectively, the ventilating pipe bottom end opening and top end plane are provided with mounting hole, the light guide pipe is the pipe body that passes through up and down, the light guide pipe is slid from top to bottom and is fixedly installed on the ventilating pipe and penetrates the mounting hole, the light guide pipe top end projects to the top end of ventilating pipe above and is fixedly installed with the light collection cover, the ventilating pipe outer wall is evenly provided with a plurality of ventilating window at the position above the roof, is installed with the rainproof louver on every ventilating window, the utility model provides a roof ventilating light guide pipe system with ventilation, lighting and rainproof function simultaneously.

The utility model relates to the technical field of house buildings, and discloses a lighting energy-saving device for building engineering house buildings, which comprises a cleaning frame, a lighting frame, a cleaning rod and a driving seat, the cleaning frame is arranged at the upper part of the lighting frame, and lighting glass is arranged in the lighting frame; the two ends of the cleaning rod are connected with a driving seat, and the driving seat is installed on the inner side of the cleaning frame and moves along the side edge of the cleaning frame; a herringbone clamping groove is formed in the side face of the driving base, connecting bases are elastically installed at the two ends of the cleaning rod, and the ends of the connecting bases are clamped in the clamping groove in a matched mode through clamping pins. The upper part of the clamping groove is vertically arranged, and an inclined guide surface is arranged in the upper part of the clamping groove; when the cleaning rod is detached, the cleaning rod is pulled out upwards, and the clamping pin moves upwards along with the cleaning rod, so that the clamping pin slides upwards along the guide face to be separated from the clamping groove. When the cleaning rod is used, transverse thrust is applied to the cleaning rod, the clamping pin moves towards the two sides along the clamping groove, the clamping pin is clamped with any side of the clamping groove, and therefore the cleaning rod is driven to move.

The utility model belongs to the technical field of windows, in particular to a window with a built-in sunshade structure, which comprises a window body, one side of the window body is provided with a wind blocking piece, one side of the wind blocking piece is fixedly connected with a reflective patch, one end of the wind blocking piece is fixedly connected with a limiting inserting plate, one side of the window body is provided with two connecting frame shells, and the connecting frame shells are fixedly connected with the reflective patch. Wherein one side of one connecting frame shell is fixedly connected with a protective shell, one side of the other connecting frame shell is fixedly connected with a positioning connecting block, the limiting inserting plate is detachably connected with the positioning connecting block, and two adjustable connecting rods which are hinged to each other are hinged between the window body and the connecting frame shells. A limiting inserting plate and a torsional spring winding roller can block direct light and direct current wind at the window through expansion of the wind blocking piece and the light reflecting patch, and the position and angle of the wind blocking piece and the light reflecting patch are adjusted in cooperation with an adjustable connecting rod, so that the brightness and the ventilation quantity in a room can be adjusted on the basis of blocking the direct light and the direct current wind.

The invention discloses a computing power center cross-space-time green lighting system and method, and relates to the technical field of lighting control, and the system can greatly reduce the lighting energy consumption and effectively reduce the operation cost of a computing power center through the maximum capture and efficient utilization of natural light and the combination of the intelligent supplementation and scheduling of green power. By synergistically utilizing natural light and solar energy, the dependence on lighting mains supply is remarkably reduced, so that carbon emission is reduced, the requirements of green and low-carbon development are met, and carbon asset income can be created. On-demand illumination is realized through a space-time cooperation algorithm, electric power can be stored in advance based on load prediction, differential illumination regulation and control can be carried out according to demands of different areas and time periods, and meanwhile, the operation stability is remarkably improved through the redundancy design of the system; and emergency lighting and multiple backup guarantee mechanisms with rapid switching capability are arranged, so that the continuous operation of the lighting system is ensured, and the overall operation safety of the computing power center is improved.

A currentless optical layer system characterized in that it passively absorbs ambient light, guides it within an optical layer assembly, and couples it out again to generate or modulate holographic effects.

The utility model provides a tunnel construction lighting system based on solar energy. The tunnel construction lighting system comprises a lighting system and a light transmission system which are installed on the two opposite sides of an air shaft, and a light diffusion assembly installed on the top of a tunnel. The lighting system comprises a reflector and a photosensitive control mechanism used for adjusting the angle of the reflector, one end of the photosensitive control mechanism is installed on the side wall of the air shaft, and the other end of the photosensitive control mechanism is hinged to the reflector through a connecting piece; the light transmission system comprises at least two light transmission pieces movably installed on the side wall of the air shaft, and angle-adjustable plane mirrors are installed at the ends of the light transmission pieces. Sunlight passes through the reflecting mirror and is refracted to the light diffusion assembly through the plane mirror, and the light diffusion assembly diffuses the received sunlight and illuminates a tunnel. According to the system, the angles of the reflecting mirror and the plane mirror are adjusted through the driving device and the screw rod mechanism, so that solar energy is utilized to the maximum extent, electric energy is saved, and remarkable energy-saving and emission-reducing effects are achieved.

The invention relates to light-reflecting tape material as a precursor for light-directing slats for the production of light-directing slat blinds. The tape material consists of different surface contours for light redirection. Sidelight strikes the tape material and is redirected into the interior and / or exterior space. The strip material has a cross-section with a sharp-edged, groove-shaped central zone (10) with a groove depth of < 0.4 mm, which is tooth-shaped and by means of which sidelight can be reflected (22) back into the hemisphere of the sidelight incidence (20). The strip material has longitudinally symmetrical edge zones (11) on both sides, which are grooved or groove-free. The sidelight (23) incident on these edge zones (11) can be deflected essentially into the opposite hemisphere of the light incidence (24, 25). The underside of the strip material is essentially smooth. Light (26) reflected from a lower lamella onto the underside of the upper lamella can be deflected by a second reflection to the ground plane of the outside space.

This invention relates to a cable tunnel lighting control system based on a natural light-guiding mechanism, belonging to the field of power equipment technology. The system includes a light-guiding duct, a lighting control device, and at least two sets of illuminance light sensors. The light-guiding duct extends into the cable tunnel from the ventilation shaft, with one end protruding out of the shaft. The inner wall of the light-guiding duct is coated with an aluminum layer. At least two light-guiding output holes are provided on the side of the light-guiding duct. At least two electrically controlled light sources are connected to the side of the light-guiding duct. The lighting control device and the illuminance light sensors are located inside the cable tunnel, with at least one set of illuminance light sensors located near the lighting control device. This system introduces natural light into the cable tunnel shaft and jacking pipe, adjusting the output of artificial light sources in real time based on the light sensors, thereby maximizing the utilization of natural light energy, reducing energy waste, practicing low-carbon design concepts, and avoiding energy waste.

Regarding an illumination device reproducing a sky seen through a window, an object is to achieve further size reduction and structure simplification and reproduce a more natural scene without limiting provision places and the number of provided devices. An illumination device of the present disclosure includes: a light source; a diffuser having a scattering structure to scatter entering light, and having at least one light entrance surface, a first light exit surface from which first outgoing light including scattered light produced by the scattering structure goes out, and a second light exit surface from which second outgoing light different from first outgoing light goes out; a sunshine formation portion provided at least at one position around the diffuser, and having a light-transmitting member; and a turning portion to guide second outgoing light toward the sunshine formation portion.

The invention discloses a building indoor and green lighting integrated system which comprises a shell assembly and further comprises a lighting cover arranged in the shell assembly and used for collecting light rays, and the lighting cover is connected with a diffuser through a light guide pipe to form a light ray conduction system. And the protection assembly is arranged on the shell assembly, when a protection mechanism of the protection assembly is closed, protection can be formed on the light collecting cover, and when a protection mechanism of the protection assembly is opened, part of light can be reflected to the light collecting cover. A physical barrier is provided for the light collecting cover, external erosion is resisted, when the protective shell is opened, the inner wall reflecting unit can reflect scattered light and refracted light to the light collecting cover, and the natural light collecting efficiency is improved; through linkage of adjustment of the protection assembly and the cleaning mechanism, the scraping strip synchronously rotates to clean the surface of the lighting cover when the protection shell is opened and closed, and the light transmittance is prevented from being affected by dust and the like.

The invention discloses a condensation type light guide-light supplement system capable of stably improving the quality of an underground space light environment and a regulation and control method, and belongs to the field of illumination systems. The system comprises: a secondary condenser whose central axis is aligned with the secondary condenser of sunlight in real time; the photovoltaic cell is fixedly arranged on the top surface of the secondary condenser; the Fresnel lens is arranged above the secondary condenser in a turnover manner; one part of sunlight primarily converged by the Fresnel lens irradiates the photovoltaic cell, and the other part of sunlight irradiates an area, outside the photovoltaic cell, on the top surface of the secondary condenser and then is guided into an underground space; when the lens is turned over, the deflection angle between the lens and sunlight is changed, and the light distribution ratio of light guide to photovoltaic is regulated and controlled; the outdoor illuminance sensor is arranged outdoors; the underground illumination compensation device is arranged in the underground space; the system adjusts the deflection angle according to the measured value of the outdoor illuminance sensor to maintain the illuminance of the underground space working surface at a standard value, and starts the underground illuminance compensation device only when the light distribution ratio is maximum and the standard value cannot be maintained.