233results about "Using daylight" patented technology

The invention provides a flexible membrane structure building self-adaptive skin system dynamically responding to user and environment requirements and an integration method. According to the system, environment illumination data and user distance data are collected in real time through cooperative work of a data collection module, a deformation control module, a motion execution module and a flexible film structure, the deformation control module processes and analyzes the data through a preset algorithm to generate a control instruction, and an electric signal is input into the motion execution module; the motion execution module drives the aluminum ribs to bend and stretch through a servo motor and a light aluminum alloy rod piece, so that the form change of the flexible film structure is influenced, the effects of illumination, ventilation and heat insulation of a vertical face are achieved according to physical attributes brought by deformation of the flexible film structure, environment changes and user requirements are responded, and the flexible film structure is obtained. And the comfort level and the energy efficiency in the building are optimized. The system not only can improve the comfort of the indoor environment, but also can save energy, has a dynamically changing building facade effect, and has aesthetics and functionality.

The invention discloses a double-sided photovoltaic system combined with agriculture and animal husbandry greenhouses in the field of double-sided photovoltaic, which comprises a ground, a plurality of greenhouses distributed at equal intervals on the top of the ground, a water guide channel arranged on the ground and guiding to the direction of the greenhouses, a reflective component connected to the top of the ground, and a photovoltaic component connected to the top of the ground. According to the device, the efficiency of photovoltaic collection can be effectively improved, meanwhile, the blocking effect of a photovoltaic panel on rainwater is avoided, meanwhile, the reflecting plate with the adjustable inclination angle is arranged on the side face of the greenhouse, reflecting light supplementing can be conducted on the greenhouse according to the actual sunlight environment, and therefore normal growth of crops is ensured.

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 invention relates to the technical field of photovoltaic curtain walls, and discloses a distributed photovoltaic integrated building curtain wall structure which comprises a building wall surface, a curtain wall back plate is arranged on the building wall surface, a plurality of mounting grooves are formed in the curtain wall back plate, and the mounting grooves are distributed in a rectangular array mode in the X-axis direction and the Y-axis direction; a photovoltaic curtain wall assembly is arranged in each mounting groove, each photovoltaic curtain wall assembly comprises a curtain wall framework, a glass plate and a reflective mirror are arranged at the two ends of each curtain wall framework respectively, and a photovoltaic cell panel is arranged between each glass plate and the corresponding reflective mirror; a first driving mechanism and a second driving mechanism are further arranged on the building wall face. According to the distributed photovoltaic integrated building curtain wall structure, the photovoltaic cell is integrated on the photovoltaic curtain wall assembly with the shading function and the light reflecting function, so that the curtain wall can be intelligently controlled to provide good light for the interior of a building, and meanwhile photovoltaic power generation is taken into consideration.

A shading and illumination system includes a shading device for shading viewing openings, an illumination device for illuminating a room, an external sensor for detecting an external parameter acting on the room, an internal sensor for detecting a 3D image of the room, a position of a person present in the room in the 3D image, and a viewing direction of the person, and a control unit for actuating the shading device and the illumination device. The shading device and the illumination device are actuatable depending on the values measured by the external sensor and by the internal sensor. A light parameter acting on the person is determinable depending on the detected viewing direction, on the detected position, on the 3D image of the room, and on the external parameter. The shading device and / or the illumination device are / is actuatable depending on the light parameter acting on the person.

The invention relates to a solar energy utilization system, which comprises a linear Fresnel reflector device, an energy receiving end and a solar energy tracking device, and is characterized in that the energy receiving end is located at a light condensation position of the linear Fresnel reflector device; and the solar tracking device is positioned between the reflecting mirror of the linear Fresnel reflecting mirror device and the energy receiving end. According to the solar energy utilization system, the solar energy tracking device facing the linear Fresnel reflecting mirror is used for observing the utilization condition of solar energy, the angle and / or direction of the mirror surface needing to be controlled are / is obtained through analysis and processing according to observed light information, a control signal is sent to the control device, and the control device is used for controlling the solar energy utilization system. Therefore, the sunlight tracking precision of the linear Fresnel reflector device is adjusted, and the system efficiency is improved. According to the solar energy utilization system, the sunlight utilization efficiency is higher, the manual monitoring and maintenance cost is reduced, and the overall sunlight utilization rate and economic benefits of the system are improved.

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 present invention relates to a solar concentration apparatus capable of adjusting the angle of a light concentrator by using a tilting portion having a slidable structure. In the present invention, when one arm structure of the tilting portion slidably moves along a slide frame portion, another arm structure induces a tilting movement for adjusting the angle of the light concentrator while slidably moving on the rear surface of the light concentrator. At the same time, the angle of a reflecting mirror reflecting parallel light is automatically adjusted according to a variation in the angle due to the sliding movement of the tilting portion. Therefore, according to the structure of the present invention, the tilting movement of the light concentrator may be carried out based on the diameter of the incident light reflecting mirror as a central axis. Accordingly, an area that is necessary for tilting the light concentrator can be noticeably reduced, and miniaturization and high integration of the apparatus are possible. Also, as the number of materials and movement of the materials for light concentration can be minimized, the apparatus can be light weight. In addition, a cleaning portion is installed outside so that an operator does not need to carry out a cleaning operation and move for the cleaning, and thus, excellent operating convenience and reliability can be obtained. Also, the apparatus is economically efficient due to low manufacturing and maintenance costs.

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 invention provides an energy-saving lighting system matched with a building, and relates to the field of building lighting systems. The electric lighting system is composed of a mounting mechanism and an electric lighting mechanism, the electric lighting system and the optical fiber light guide system can be automatically switched for use according to the indoor light intensity, and the optical fiber light guide system can guide external light into a room for use in the environment with good external light, so that lighting use through electric power is not needed, and the use cost is reduced. When external light is poor, the system can be switched to an electric lighting system to provide electric lighting for the interior of a room, and the problems that electric lighting of an existing building lighting system is dominant, especially special spaces such as basements, and due to the fact that the positions are special and the periphery is surrounded by a building structure, lighting is affected are solved. And external natural light is difficult to introduce into a room for illumination through conventional windowing and the like, so that the basement can only depend on electric illumination for a long time.

To provide a daylighting structure which can be easily constructed and enables light to be taken into an indoor space of a building efficiently.SOLUTION: A daylighting structure includes: a ceiling sheet 2 which is installed forming a bosom space K1 with a ceiling 101 of a building 100; a mirror sheet 3 provided at the ceiling 101 side of the bosom space K1; a light guide part 5 which reflects light L between a first reflection surface 3a of the mirror sheet 3 and a second reflection surface 4a of the ceiling sheet 2 to guide the light L from one side to the other side of a light guide space K2; a light emission part 7 which emits the light L from the light guide part 5 to an indoor space 102 of the building 100; and a daylighting part 6 which is located at one side of the light guide space K2 and takes the light L from the outside of the building 100 into the light guide part 5. The mirror sheet 3 is provided extending in the bosom space K1.SELECTED DRAWING: Figure 1

The utility model relates to an illumination, ventilation and sterilization integrated system for a medical building, which belongs to the technical field of air purification, solves the problems existing in the current medical building purification and sterilization system, and comprises a plurality of air pipes, an input light guide pipe is arranged in each air pipe, and a fan is arranged in a gap between each input light guide pipe and the corresponding air pipe. A lighting cover is arranged at the outdoor side end of the input light guide pipe, the input light guide pipe penetrates out of the air pipe and then is connected with the input end of a light splitting device, and the output end of the light splitting device is connected with an ultraviolet output light guide pipe and an illumination light output light guide pipe which are arranged in parallel. According to the utility model, the system integrates the functions of illumination, ventilation and sterilization, so that the operation cost is reduced.

The invention discloses a house curtain wall ventilation and lighting type adjusting device self-adaptive to light source changes, and belongs to the technical field of curtain wall ventilation and lighting, the house curtain wall ventilation and lighting type adjusting device comprises a curtain wall unit and a lighting ventilator, the curtain wall unit is connected with a fixing table, and the lighting ventilator is installed in the curtain wall unit; a lighting cover shell is installed at one end of the lighting ventilator in a threaded fit mode, and a diffusion plate is connected to the inner wall of the lighting ventilator. According to the device, a driving gear is rotated through a working motor, so that the driving gear pushes a rack to slide, a movable disc rotates in the lighting ventilation barrel, an arc-shaped pushing groove pushes a first movable rod, then a second movable rod slides in a strip-shaped groove, and therefore a plurality of baffles can deviate and slide between the movable disc and a fixed disc; and the multiple baffles jointly shield the light-transmitting ventilation holes, the baffles are dynamically controlled in real time to move to adjust the sizes of the light-transmitting ventilation holes, the actual using effect is improved, and the environmental comfort degree is improved.

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 invention discloses a multi-layer air cavity natural ventilation and heat insulation type green building external envelope structure in the technical field of green building enclosure, which comprises a building main body and protective curtain walls, the protective curtain walls are uniformly mounted on the two sides of the building main body, and the upper and lower ends of the protective curtain walls are both provided with cambered surface reflective equipment capable of continuously swinging; a light reflecting structure is arranged at the upper end of the building main body, the light reflecting structure comprises two groups of light reflecting plates, the two groups of light reflecting plates are symmetrically mounted at the upper end of the building main body, each light reflecting plate is composed of an upper light reflecting part capable of continuously rotating and a mounting base, and the mounting bases can adjust the angles of the light reflecting plates; and the inner supporting workpiece is located between the two sets of light reflecting plate pieces and can support the light reflecting plate pieces, and a heat insulation assembly is arranged above the inner supporting workpiece. Through cooperation of the building top light reflecting structure and light reflecting equipment on a protective curtain wall, a bottom layer building of a small-spacing high-rise building can be reflected to much light; the lighting effect of a bottom-layer building is improved.

The present application provides a method for constructing the above-ground portion of an underground space lighting system, which includes erecting a vertical bracket, installing a first reflector on the top of the vertical bracket, installing a fiber optic connector and a fiber optic bundle below the first reflector, making a multi-angle reflector, and laying the multi-angle reflector on the ground outside the first reflector to form a ring-shaped reflective strip, thereby solving the lighting problem of the above-ground portion when natural light is used for illumination of the underground space.