93results 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 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.

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 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.

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.

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 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 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.

Homogenizing illumination device based on a monolithic combination of lenses and sawtooth gratings, characterized in that the homogenizing illumination device based on a monolithic combination of lens and sawtooth grating comprises ten first thin-light films (1), ten second thin-light films (2), ten third thin-light films (3), ten fourth thin-light films (4), ten fifth thin-light films (5), ten sixth thin-light films (6), ten seventh thin-light films (7), ten eighth thin-light films (8), ten ninth thin-light films (9) and ten tenth thin-light films (10), wherein the ten first thin-light films (1), the ten second thin-light films (2), the ten third thin-light films (3), the ten fourth thin-light films (4), the ten fifth thin-light films (5), the ten sixth thin-light films (6), the ten seventh thin-light films (7), the ten eighth thin-light films (8)the ten ninth thin-light foils (9) and the ten tenth thin-light foils (10) are arranged in a matrix to form a light-collecting matrix, wherein in the first row of the light-collecting matrix, in order from left to right, the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9) and the tenth thin-light film (10) are arranged; wherein in the second row of the light-collecting matrix, in order from left to right, the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8) and the ninth thin-light film (9) are arranged; wherein in the third row of the light-collecting matrix, in order from left to right, the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7) and the eighth thin-light film (8) are arranged; wherein in the fourth row of the light-collecting matrix, in order from left to right, the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6) and the seventh thin-light film (7) are arranged; wherein in the fifth row of the light-collecting matrix, in order from left to right, the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5) and the sixth thin-light film (6) are arranged; wherein in the sixth row of the light-collecting matrix, in order from left to right, the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4) and the fifth thin-light film (5) are arranged; wherein in the seventh row of the light-collecting matrix, in order from left to right, the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2), the third thin-light film (3) and the fourth thin-light film (4) are arranged; wherein in the eighth row of the light-collecting matrix, in order from left to right, the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1), the second thin-light film (2) and the third thin-light film (3) are arranged; wherein in the ninth row of the light-collecting matrix, in order from left to right, the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10), the first thin-light film (1) and the second thin-light film (2) are arranged; wherein in the tenth row of the light-collecting matrix, in order from left to right, the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9), the tenth thin-light film (10) and the first thin-light film (1) are arranged; wherein a continuous arrangement of lenses is arranged on the outer surfaces of the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9) and the tenth thin-light film (10), wherein continuous sawtooth gratings are arranged on the inner surfaces of the first thin-light film (1), the second thin-light film (2), the third thin-light film (3), the fourth thin-light film (4), the fifth thin-light film (5), the sixth thin-light film (6), the seventh thin-light film (7), the eighth thin-light film (8), the ninth thin-light film (9) and the tenth thin-light film (10); wherein the angle (β1) between the profile line of the inclined surface of the sawtooth of the sawtooth grid on the inner surface of the first thin-light film (1) in cross-section and the horizontal plane is 50°, wherein the angle (β2) between the profile line of the inclined surface of the saw tooth of the saw tooth grid on the inner surface of the second thin light film (2) in cross-section and the horizontal plane is 30°, wherein the angle (β3) between the profile line of the inclined surface of the saw tooth of the saw tooth grid on the inner surface of the third thin light film (3) in cross-section and the horizontal plane is 20°, wherein the angle (β4) between the profile line of the inclined surface of the sawtooth of the sawtooth grid on the inner surface of the fourth thin-light film (4) in cross-section and the horizontal plane is 10°, wherein the angle (β5) between the profile line of the inclined surface of the saw tooth of the saw tooth grid on the inner surface of the fifth thin light film (5) in cross-section and the horizontal plane is 5°, wherein the angle (β6) between the profile line of the inclined surface of the sawtooth of the sawtooth grid on the inner surface of the sixth thin-light film (6) in cross-section and the horizontal plane is 175°, wherein the angle (β7) between the profile line of the inclined surface of the saw tooth of the saw tooth grid on the inner surface of the seventh thin light film (7) in cross-section and the horizontal plane is 170°, wherein the angle (β8) between the profile line of the inclined surface of the saw tooth of the saw tooth grid on the inner surface of the eighth thin light film (8) in cross-section and the horizontal plane is 160°, wherein the angle (β9) between the profile line of the inclined surface of the sawtooth of the sawtooth grid on the inner surface of the ninth thin-light film (9) in cross-section and the horizontal plane is 150°, wherein the angle (β10) between the profile line of the inclined surface of the sawtooth of the sawtooth grid on the inner surface of the tenth thin light film (10) in cross-section and the horizontal plane is 130°.

A daylight illumination system for integration into a building or larger vehicle comprises a translucent facade element (800) containing a glass sheet and a light redirection element (302 or 708), and a light transport channel (801) for guiding light about horizontally into an interior of the building, the light transport channel comprising one opening attached to the interior side of said facade element and at least one opening towards the interior of the building, characterised in that the light redirection element (302 or 708) is formed as a structured polymer film or sheet attached to a glass sheet of the facade element (800) and is configured for changing the direction of incident light into the about horizontal light transport channel.

An exterior structure includes a non-light-transmitting portion configured to not transmit an external light, and a light-transmitting portion arranged near the non-light-transmitting portion and configured to reflect and transmit the external light. Light released outward from the non-light-transmitting portion includes light reflected by the non-light-transmitting portion. Light released outward from the light-transmitting portion includes a combination of light reflected by the light-transmitting portion and light applied to the light-transmitting portion from an inner side and passing through the light-transmitting portion. The color difference ΔE between the light released outward from the non-light-transmitting portion and the light released outward from the light-transmitting portion is 5 or less.

This invention proposes an adaptive facade system and integration method for flexible membrane structure buildings that dynamically responds to user and environmental needs. The system, through the collaborative operation of a data acquisition module, a deformation control module, a motion execution module, and the flexible membrane structure, collects real-time ambient light data and user distance data. The deformation control module processes and analyzes the data using a preset algorithm to generate control commands, which are input to the motion execution module via electrical signals. The motion execution module, through servo motors and lightweight aluminum alloy rods, drives the aluminum ribs to bend and extend, thereby influencing the morphological changes of the flexible membrane structure. Based on the physical properties resulting from the deformation of the flexible membrane structure, the system achieves effects such as adjusting lighting, ventilation, and heat insulation on the facade, responding to environmental changes and user needs, and optimizing the comfort and energy efficiency of the building's interior. This system not only improves indoor environmental comfort but also saves energy and provides a dynamically changing building facade effect, combining aesthetics and functionality.

The utility model discloses a light guide pipe lighting device which comprises a cylindrical pier base which is poured on a roof panel, the lower end of a vertical through hole of the pier base penetrates through the roof panel, and a waterproof coiled material of the roof panel is upturned along the side wall of the pier base; the light guide pipe is arranged in the vertical through hole in a penetrating mode, and the upper end opening of the light guide pipe is sleeved with a weather-proof heat insulation ring; the diffuser is mounted at the lower port of the light guide pipe; the lighting cover covers the upper port; the flow guide pipe comprises an upper pipe joint, a lower pipe joint and a reducing pipe joint, the weather-proof heat-insulating ring is sleeved with the upper pipe joint, the upper end of the upper pipe joint abuts against the layer, away from the flange of the light guide pipe, of the extension portion of the weather-proof heat-insulating ring in a pressing mode, a first locking piece is installed at an upper end opening of the light guide pipe, and the upper end of the pier base is sleeved with the lower pipe joint; the reducing pipe joint is connected to the upper pipe joint and the lower pipe joint, and a second locking piece is installed at the upper end of the pier base. And the sealing ring is padded on the inner wall of the opening of the lighting cover and the outer wall of the upper pipe joint. The utility model solves the problem that the joint of the conventional light pipe lighting system and the wall is easy to leak water.

The present application relates to the technical field of solar optical fiber lighting and building indoor lighting control, more specifically, the present application relates to a kind of solar optical fiber lighting device operation control method.The method is executed in fixed control cycle: trajectory coarse tracking and four quadrant error closed loop fine tracking are implemented to align, and effective irradiation discrimination is carried out;Collect focused power and focus area temperature, establish temperature control interlock return difference and limit light when overtemperature time and prohibit coupling update;With η_c=P_in / P_focus as objective function, drive in-fiber fine adjustment mechanism to carry out coarse scanning sampling under four degrees of freedom of X / Y / Z / tilt angle, local quadratic response surface modeling and gradient constraint optimization, obtain and reuse optimal pose;Based on I_sun→E_pred mapping, carry out illuminance prediction consistency check, combine indoor multi-point sampling to calculate illuminance and uniformity, realize natural light light limiting and LED light supplementing collaborative stable control;And using hash chain log forms evidence chain, uses diagnostic trigger matrix to output pollution, misalignment and thermal management or light distribution anomaly maintenance prompt.

A lighting control device comprises: an acquisition unit that, in a lighting control area partitioned off by a ceiling, a floor, and walls, acquires a slat angle of blinds adjusted to allow ground object reflection light to pass toward the ceiling while blocking direct sunlight entering from an external light entering part, and that acquires measurement results of the brightness at one or more spots on the ceiling; an estimation unit that estimates the distribution of the brightness on the ceiling on the basis of the slat angle of the blinds and the measurement results of the brightness at the one or more spots on the ceiling; and a control unit that controls lighting devices installed at one or more spots on the ceiling, on the basis of the estimation result of the distribution of the brightness on the ceiling.

System for the cultivation of photosynthetic living organisms, such as plants (5), comprising a support structure for a plurality of shelves (1, 2) on which to cultivate said plants (5), said shelves (1, 2) being positioned one above the other, along a vertical axis, so as to identify a space (100, 110) interposed between the upper face of a shelf and the lower face of the overlying shelf, which space (100, 110) is adapted to cultivate the plants. A light (A, B, C) capture device (3) of a light source is provided, which capture device (3) is positioned above the highest shelf (1), there being transmission means of the light (A, B, C) connected to said capture device (3), which transmission means are configured for the transmission of the light (A, B, C) from the highest shelf (1) to the lower shelves, said activation / inactivation means of said capture device (3) and of said transmission means being provided.

The utility model discloses a house building lighting energy-saving device, which belongs to the field of lighting energy-saving devices, and comprises a body mechanism, an adjusting mechanism is mounted at the outer end of the body mechanism, a mounting mechanism is mounted at the outer end of the adjusting mechanism, the mounting mechanism comprises assembling frames, the assembling frames are symmetrically distributed, and the assembling frames are connected with the adjusting mechanism. The assembling frame is of a U-shaped structure, the inner end of the assembling frame is slidably connected with positioning rods which are symmetrically distributed, and the positioning rods are of a T-shaped structure; the multiple positioning rods are pulled, the positioning rods and the clamping heads are separated from the clamping grooves under the external acting force, the positioning limitation of the daylighting panel and the assembly frame can be relieved, the daylighting panel can be conveniently disassembled, the daylighting energy-saving device is convenient to clean and maintain, when maintenance or replacement is needed, only part of the daylighting structure needs to be replaced, and the maintenance cost is reduced. And the economic burden of overall replacement is reduced, and the using effect of the house building daylighting energy-saving device is improved.

The utility model relates to the technical field of construction lighting, and discloses a temporary light guide lighting device for construction, which comprises a pipeline component, a dimming component is mounted at the bottom of the pipeline component, a lighting component is mounted at the top of the pipeline component, and a convenient disassembly and assembly component is mounted on the periphery of the lighting component. Due to the fact that the assembly convenient and fast to disassemble and assemble is installed on the device, after the device is used and installed on the ground, the working effect of convenient and fast installation is provided when the lighting cover is installed, and a convenient and labor-saving disassembly mode is provided during follow-up disassembly work.

The invention relates to the technical field of building lighting and ventilation, in particular to an intelligent control system of a light guide pipe photovoltaic fresh air system. The light guide pipe photovoltaic fresh air system comprises a plurality of sets of light guide pipe photovoltaic fresh air units. The intelligent control system comprises an intelligent controller, a central monitoring platform and an external information reporting unit. Each light guide pipe photovoltaic fresh air unit is correspondingly provided with an intelligent controller, and the intelligent controllers are used for collecting operation data of the light guide pipe photovoltaic fresh air units and executing control instructions. The central monitoring platform is connected with all the intelligent controllers through a wireless communication network and used for receiving, gathering and displaying operation data of all the light guide pipe photovoltaic fresh air units. The external information reporting unit is in communication connection with the central monitoring platform and is used for uploading data of the central monitoring platform to a superior energy-saving supervision center; according to the method, a foundation is laid for refined energy management and compliance data reporting, and the core requirements of modern green buildings on data transparency and intelligent operation and maintenance are met.

The utility model provides an exhaust light guide device which comprises an exhaust assembly, a light guide assembly, a solar photovoltaic panel, an electric exhauster or a lighting lamp and the like, the exhaust assembly comprises an air guide exhaust cover and a ventilation light guide pipe, and the light guide assembly comprises a lighting protective cover and a ventilation light guide pipe. The air guide exhaust hood and the ventilation light guide pipe have a flow guide effect on incoming flow and generate negative pressure exhaust at the exhaust port; when sunlight, wind or no wind exists, the lighting protective cover and the ventilation light guide pipe can guide external light into a room, and meanwhile the solar photovoltaic panel generates electricity and drives the electric exhaust fan to exhaust air or supply energy to the illuminating lamp through the control circuit. The device can utilize natural wind power, solar energy and indoor hot air buoyancy to exhaust or illuminate, airflow does not flow backwards, and the device is simple in structure, high in wind resistance, low in cost, long in service life, low in noise and high in exhaust efficiency. The device is used for places where structures need exhausting, lighting or ventilation and heat dissipation.