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1090 results about "Skylight" patented technology

A skylight is a light-transmitting structure that forms all or part of the roof space of a building for daylighting purposes.

Intelligent detection method and system for adhesive force of oil coating of skylight aluminum rail

The invention discloses an intelligent detection method and system for adhesive force of an oil coating of a skylight aluminum rail, and relates to the technical field of coating detection. The method comprises the following steps: scanning a skylight aluminum rail to be detected to generate an aluminum rail surface 3D topological graph; performing multi-mode optical detection to obtain optical original detection data; the aluminum rail defect distribution topology is obtained through the defect identification marks; gridding oil coating adhesive force level detection is executed, and multi-level adhesive force defect distribution is output; fusing and analyzing the aluminum rail defect distribution topology and the multi-stage adhesive force defect distribution to obtain M comprehensive adhesive force defect characteristics; positioning a production deviation node sequence; and carrying out processing operation and maintenance intervention in the follow-up batch production process of the skylight aluminum rail. The technical problems that in the prior art, skylight aluminum rail oil coating adhesive force detection efficiency is low, and deviation links are difficult to trace are solved, the production deviation links are positioned by recognizing adhesive force defects of different levels, and the technical effect of improving the detection efficiency is achieved.
Owner:广东时纬科技有限公司

Construction method of variable-curvature super-depth fusiform skylight in steel structure

The invention relates to the technical field of building construction, in particular to a construction method of a variable-curvature super-depth fusiform skylight in a steel structure, and solves the construction problem of a complex space curved surface through digital design, factory prefabrication, intelligent installation and real-time monitoring and compensation. Through a digital twin-driven construction technology system, the worldwide problems of the variable-curvature ultra-deep steel structure in the aspects of form precision, mechanical stability and construction efficiency are solved, a technical normal form capable of being popularized is provided for the ultra-deep and variable-curvature steel structure, and building form innovation is promoted. And meanwhile, the dependence on manpower is reduced through modular and mechanical operation, the construction period is shortened, the safety is improved, and the cost is reduced by combining prefabricated unit components with dynamic monitoring.
Owner:CHINA UNITED NORTHWEST INST FOR ENG DESIGN & RES

Corrosion resistance test equipment for skylight cross beam

The invention discloses corrosion resistance test equipment for a skylight cross beam, relates to the technical field of cross beam tests, and aims to solve the technical problems that a corrosion test of a static placement cross beam sample cannot reflect the influence of dynamic stress on corrosion cracks in the cross beam, and particularly whether stress corrosion cracking can be caused in a salt spray environment or not. Comprising a salt spray testing machine, the salt spray testing machine comprises a test box body, a plurality of test rack assemblies are arranged in an inner cavity of the test box body, each test rack assembly comprises a static test rack and a dynamic test rack, each dynamic test rack comprises a rhombic movable rack, and each rhombic movable rack comprises an upper pressing block, a lower falling block, two symmetrically-arranged bearing blocks and four movable rods. A jolting pressing assembly is arranged at the bottom of the upper pressing block. The device has the advantages that the cross beam sample is in a dynamic stress state in a salt spray corrosion test, the stress condition of the cross beam in actual use is truly simulated, and the test environment is highly close to the actual working condition.
Owner:NINGBO HAISHI MASCH MFG CO LTD

Rapid fire extinguishing device for new energy automobile

A rapid fire extinguishing device for a new energy automobile comprises a fire extinguishing cover device capable of horizontally stretching or rotationally stretching, the fire extinguishing cover device comprises a flame-retardant fabric, the inner side of the flame-retardant fabric is connected with a horizontal stretching framework or a rotary stretching framework in a wrapping mode, and the horizontal stretching framework or the rotary stretching framework is of a hollow pipeline structure. The hollow pipeline structure is connected with the fire-fighting water spray head and the fire-fighting water connector, a pressure relief skylight is formed in the surface of the flame-retardant fabric, a water blocking fence surrounding the new energy automobile is arranged at the bottom of the fire extinguishing cover device, and fire-fighting water sprayed by the fire-fighting water spray head is accumulated between the water blocking fence and the new energy automobile to form a water pool to soak the new energy automobile. According to the rapid fire extinguishing device for the new energy automobile, the whole automobile is rapidly wrapped with the fire extinguishing cover device on the basis of portability, air isolation is achieved, then multi-angle jet fire extinguishing is achieved through the telescopic framework, the soaking fire extinguishing performance on the automobile is achieved through the water blocking fence, and finally the explosion risk caused by gas accumulation is prevented through the pressure relief skylight.
Owner:ZHEJIANG HAOMIAO TECH

Environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure and dynamic regulation and control method of environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure

The invention relates to the field of application of electrochromic glass, in particular to an environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure which comprises an enclosure structure body, and the enclosure structure body is of a sandwich type structure with a hollow interlayer. A self-powered module, an electrochromic glass unit, an environment sensing module and an intelligent regulation and control module are arranged on the enclosure structure main body; in addition, the invention further discloses a dynamic regulation and control method which comprises the steps of collecting data in real time, calculating an energy state and a dynamic regulation and control strategy and the like. The high-efficiency laminated photovoltaic glass and the energy storage unit are integrated, a dynamic regulation and control algorithm is combined, environment response type self power supply is achieved, the light transmittance is adjusted in real time to meet the illumination requirement, the operation cost and the energy consumption are remarkably reduced, modular design is combined with the flexible circuit interconnection technology, and the flexible circuit interconnection technology is optimized. The whole system gets rid of the limitation of complex wiring when being applied to building external windows, curtain walls or daylighting roofs, the installation process is greatly simplified, and the convenience of later maintenance is improved.
Owner:HENAN PROVINCIAL ACAD OF BUILDING RES CO LTD +2

A roof window with a lifting device

A roof window (100), comprising a stationary primary frame (1), at least one secondary frame (2), and a lifting device (10) comprising a lifting arm (14) inserted between the primary frame (1) and the at least one secondary frame (2), the lifting arm (14) having a first end (14a) rotatably connected to a sledge (30) slidably connected with the primary frame (1) in a sledge guide (16) and a second end (14b) rotatably connected to the at least one secondary frame (2), the lifting device (10) furthermore comprising a spring assembly (20) configured to be coupled to the sledge (30), the lifting device further comprising a push arm (40) having a first end rotatably connected to the sledge guide (16) and a second end rotatably connected to the lifting arm (14).
Owner:VKR HOLDING AS

Packed roof window products

A packed roof window product wherein a plurality of diferently sized window product related components are packed in a box and one of the components is carried by a side wall of the box.
Owner:VKR HOLDING AS

Method and system for removing shelter on automobile windshield and automobile

The invention relates to an automobile windshield shelter removing method and system and an automobile, and belongs to the technical field of automobile active safety. The method comprises the steps that the surface of the windshield is monitored through a vehicle-mounted camera; when a shielding object is identified, calculating a view shielding coefficient based on the area, the position, the light transmittance and the type of the shielding object, and determining an initial influence level according to the view shielding coefficient; corresponding cleaning strategies are executed according to the influence levels, windscreen wiper cleaning is started at the low level, pneumatic suction generated by vehicle intersection is used for cleaning at the middle level, and negative-pressure airflow cleaning is induced through dynamic opening of a skylight at the high level; if the shielding is not removed, the influence level is increased step by step, and circulation execution is carried out until the shielding is removed or automatic parking is triggered. According to the method, grading, closed-loop and non-contact intelligent removal of different types of sheltering objects is achieved, and invalid or even harmful operation of a traditional windscreen wiper in a dry sheltering scene is effectively avoided.
Owner:GREAT WALL MOTOR CO LTD

Active noise reduction method with divergence suppression function and microphone vibration reduction device

The invention provides an active noise reduction method capable of restraining divergence and a microphone vibration reduction device, belongs to the technical field of automobile active noise reduction, and detects the sealing condition of a cab through automobile door sensors, automobile window sensors and skylight sensors. If the microphone is closed, noise signals are collected by using errors on the microphone vibration damping device and a reference microphone, and secondary noise signals are generated by an active noise reduction filter and are played by a loudspeaker; if yes, the engine rotating speed in the vehicle CAN signal is read, and a reference noise signal is generated and played. A cab sealing state and an active noise reduction system operation state are displayed on an instrument panel, and the operation state is determined according to noise signal acquisition and noise reduction signal playing conditions. The noise reduction mode can be automatically switched according to the cab sealing state, the noise in the vehicle is effectively reduced when the cab is sealed, the reference noise is reasonably played when the cab is opened, and the influence on the robustness of a system filter is reduced. Related information is displayed on the instrument panel, so that a user can visually know the cab state and the system operation condition.
Owner:SINO TRUK JINAN POWER CO LTD

Off-board welding integrated rail changing construction system

The utility model discloses a non-vehicle-mounted welding integrated rail changing construction system which comprises a first marshalling train and a second marshalling train, and the first marshalling train comprises a first locomotive, a long rail vehicle and a second locomotive which are sequentially connected from front to back. And the second marshalling train comprises a third locomotive, a welding all-in-one machine, a rail welding vehicle, a fourth locomotive, a rail collecting vehicle set, a high-power rail vehicle, a fifth locomotive, an auxiliary vehicle set and a sixth locomotive which are sequentially connected from front to back. According to the application, an integrated construction mode of unloading, welding, replacing and collecting rails on the same day is completed in a section of superposing 25% o ramps at the height of 175 mm by using the existing movable rail welding equipment within 335 minutes of blocking, so that the purposes of cleaning materials after work and cleaning people on the site can be achieved, and the replacement, welding and collection construction of two pairs of new steel rails can be completed on the premise that thermit welding is not used in one skylight, so that the construction efficiency is improved, and the construction cost is reduced. And interference and capital investment on transportation are reduced.
Owner:CHINA RAILWAY CHENGDU BUREAU GRP CO LTD CHENGDU PUBLIC WORKS OVERHAUL SECTION

A roof window with a lifting device

A roof window (100), particularly for installation in or on a roof surface having an inclination, comprising a primary frame (1), at least one secondary frame (2, 3), such as a sash and / or an intermediate frame, and a lifting device (10) comprising an adjustment system (50) comprised in a sledge (30), the sledge (30) being slidably connected with the primary frame (1) in a sledge guide (16), the lifting device (10) further comprising a spring assembly (20) configured to be coupled to the sledge (30), and a linkage system (19) being, rotatably connected to the sledge (30) through the adjustment system (50), and connected to the secondary frame (2, 3), wherein the linkage system (19) comprises a lifting arm (14) with a first end (14a) rotatably connected to the adjustment system (50).
Owner:VKR HOLDING AS

Sleeper laying device for rail transit

The invention relates to the technical field of rail laying, in particular to a sleeper laying device for rail transit, which comprises a rail and a sleeper body, and further comprises a plurality of ballast poking plates, and the plurality of ballast poking plates are arranged below the sleeper body. A plurality of ballast poking plates are automatically driven to move through the ballast poking assembly, railway ballast below a sleeper body can be rapidly and efficiently poked aside and poked out, an old sleeper is made to be suspended, the speed is much higher than that of pure manual ballast poking through tools such as shovels, the replacement time of a single sleeper is remarkably shortened, the shorter skylight period is provided for line maintenance, and the production efficiency is improved. The whole process is mainly completed by a mechanical device, operators only need to control equipment, physical output of workers is greatly reduced, the workers are prevented from carrying out high-strength repeated excavation and prying operation between the position below heavy sleepers and rails, safety risks such as muscle strain and collision injury are reduced, and operation safety is improved.
Owner:ANHUI ZHONGZHI RAIL TRANSPORTATION EQUIP MFG CO LTD

Upward horizontal layered filling mining method for gently inclined-inclined thick ore body

The invention relates to an upward horizontal layered filling mining method for a gently inclined-inclined thick ore body, which belongs to the field of underground mining methods, and comprises the following steps of: arranging a plurality of sections and a plurality of panels in one stage, arranging a plurality of chambers in the panels, and arranging a plurality of ore beds in each chamber; at the stage, a stage haulage roadway, a segmented stage connection roadway and a segmented haulage roadway are formed in the strike direction of the ore body, and a slope ramp is excavated upwards from the segmented stage connection roadway; the stage haulage roadway is communicated with the draw shaft connection roadway through a draw shaft; tunneling a stope connection roadway, a layered transportation roadway, a cutting roadway, a room air return roadway, a ventilation connection roadway and a pedestrian ventilation filling courtyard in a layered stoping mode from bottom to top to form a stage air return connection roadway of the previous stage; and stopping and filling the whole chamber. The technical problems that the mining preparation workload is large, mining safety and economical efficiency are difficult to consider, and the mining cost is high in a traditional mining method are solved.
Owner:NORTHEASTERN UNIV CHINA

Method for treating compacted ore by using footwall blasting and vibration in shallow hole ore retention method

ActiveCN120007261BUnderground miningBlastingMining engineeringMetal mining
The present application provides a method for treating compacted ore by using lower plate blasting and vibration in a shallow hole ore retention method, which belongs to the field of metal mining technology, including: S1, repairing the mining area; S2, accurately measuring and calibrating the spatial position of the goaf and the compacted ore, and dividing the mining area into sections according to the occurrence height of the compacted ore; S3, excavating the first auxiliary connecting road, the lower plate auxiliary roadway and the second auxiliary connecting road from the inside of a certain segmented pedestrian skylight to the lower plate, so that the pedestrian skylight and the goaf are connected; S4, setting several rows of fan-shaped blastholes between the lower plate auxiliary roadway and the compacted ore, and the blastholes extend to the lower plate boundary near the compacted ore; S5, detonating the fan-shaped blastholes section by section by using the backward blasting method, and loading the loosened compacted ore that falls into the ore discharge funnel into a truck and transporting it out of the mining area; S6, re-measuring the morphology of the goaf and the occurrence status of the compacted ore; S7, repeating steps S3-S6 until all the compacted ore is recovered. This method can safely achieve accurate and efficient recovery of compacted ore.
Owner:CHANGCHUN GOLD RES INST

Lighting fixture and methods

A lighting fixture appears as a skylight and is referred to as a skylight fixture. First and second light engines of the fixture provide different color points, peak light intensity angles, far-field light distribution characteristics, and / or circadian stimulus values. A skylight fixture may include a sky-resembling assembly and a plurality of sun-resembling assemblies, with dedicated optical assemblies and / or light sources. A lighting fixture may include multiple waveguides that different extraction feature patterns and / or may be sequentially arranged.
Owner:LED-IP MANAGEMENT LLC

Special equipment for group replacement of high-speed railway turnouts and construction method

The invention provides special equipment for group replacement of high-speed railway turnouts and a construction method, and belongs to the technical field of railway engineering. Comprising a heavy rail car, a container type rail welding car, a plurality of special turnout transportation flatcars, a container type rail welding car and a heavy rail car which form a whole-column special marshalling used for integrated operation of transportation, replacement, welding and recovery of grouped rail pieces. A rail welding vehicle folding arm crane, a flash welding machine, rail welding vehicle auxiliary supporting legs and the like are carried on the container type rail welding vehicle; at least two flatcar folding arm cranes, flatcar auxiliary supporting legs, a lifting handrail and a special loading tool are installed on the special turnout transportation flatcar. Special equipment and a construction method are used for achieving integrated operation of the high-speed railway turnout from bulk material pre-assembly to group transportation, replacement, welding and old turnout recycling, the problem that group replacement of an existing high-speed railway turnout is completed at a skylight point is solved, and the defects of a group replacement operation technology of the high-speed railway turnout are overcome.
Owner:BAOJI CSR TIMES ENG MACHINERY

Roof window and roof window assembly method in a roof structure

The subject-matter of the invention comprises a roof window and an assembly method for that window, constructed out of a jamb and a sash with a glass unit, and the roof window sash is seated in the jamb circumference using a pair of hinges, and the jamb is constructed out of four stiles attached to each other to form a rectangular frame, that is upper stile (11), lower stile (13) and two side stiles (12), wherein upper stile (11) in its assembled state in a roof is higher than all the other stiles in the roof, and jamb stiles feature window assembly in roof depth markers (4), characterized in that, in an assembled state in a roof, roof window slope angle α is within the 1-30° range and angle α is different than roof pitch angle β.
Owner:FAKRO PP SPOLKA Z O O

Automobile skylight roller shutter cloth with six-functional-layer composite structure

The invention provides automobile skylight roller shutter cloth with a six-functional-layer composite structure, and relates to the technical field of automobile textiles. The automobile skylight roller shutter cloth with the six-functional-layer composite structure sequentially comprises a rare earth / graphene radiation cooling fabric layer, a first PUR dispensing layer, a silver reflective coating, a black TPU base film layer, a second PUR dispensing layer and an interior fabric layer from top to bottom. The woven fabric with the radiation cooling function and the composite fabric with the six functional layers of the woven fabric have the capability of reversely dissipating sunlight heat penetrating through skylight glass on the top of an automobile to the atmosphere outside the automobile and even the outer space through the skylight glass through absorption reflection and infrared radiation. The functions of cooling, heat insulation, shading, beautification and decoration of the six-layer composite skylight roller shutter fabric for the vehicle are achieved through the effects of absorption, reflection and anti-radiation of infrared rays.
Owner:CPL NEW MATERIAL TECH CO LTD

Welding device for processing lighting and smoke exhaust skylights

The present invention discloses a welding device for processing skylights for lighting and smoke exhaust, which relates to the technical field of skylight welding for lighting and smoke exhaust, and comprises: a frame; a plurality of placement platforms fixedly connected to the frame; a first profile is provided on each placement platform; two movable frames, and a second profile is provided on each movable frame; the second profile can be transported by the process of the two movable frames approaching each other, and at the same time, even if the first profile on the placement platform is not placed neatly, the position of the first profile can be adjusted by a linkage mechanism, and after the position of the first profile is adjusted, the first profile can be avoided to avoid interference between the two; in addition, the first profile can be passively clamped and fixed as the movable frame moves, thereby improving the connection stability between the second profile and the first profile, facilitating the welding operation, and avoiding the problem that the skylight frame is welded first, so that the reinforcing ribs cannot be put into the frame for welding.
Owner:JIANGSU EPNER ENERGY SAVING TECH CO LTD

Top coal caving system with hydraulic supports at inner end of roadway of fully-mechanized top coal caving working face

The invention provides an end hydraulic support top coal caving system in a fully mechanized top coal caving working face roadway, which comprises an end support unit, a reversed loader and a top breaking device, a shield beam is arranged at the rear end of the end support unit, a coal caving regulation and control mechanism is arranged at the rear end of the shield beam, and a skylight space is arranged on the shield beam; the roof breaking device comprises a roof breaking telescopic jack and a roof breaking end head, the top coal caving support comprises a straddle type base, the bottom end of the roof breaking telescopic jack is installed at the upper end of the straddle type base, and the roof breaking telescopic jack drives the roof breaking end head to penetrate through the skylight neutral position to conduct roof breaking operation. And the straddle type base straddles the reversed loader. According to the roof breaking device, disturbance roof breaking is achieved through the skylight neutral position, the reversed loader penetrates through the straddle type base and is matched with the coal caving regulation and control mechanism to regulate, control and recycle caving objects, the reversed loader penetrates through the straddle type base to convey the caving objects, roof breaking, regulation and control recycling and conveying operation are achieved at the same time, and the overall application effect is good.
Owner:ZHENGZHOU COAL MINING MACHINERY (GRP) CO LTD +1

Portable Intelligent Stress Analyzer

ActiveCN309484377SCurtain wallSkylight
1. The name of this design product: Portable Intelligent Stress Analyzer. 2. Purpose of this product design: This product design is used to detect the stress of products such as automobile side glass, skylight glass, and building curtain walls. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:SHENZHEN TIANYE INSTR CO LTD

Anti-rolling upper vehicle body structure of non-bearing type off-road vehicle

PendingCN120348359ASuperstructure subunitsSuperstructure connectionsRolloverUpper body structure
The invention relates to an anti-rolling upper vehicle body structure of a non-bearing type off-road vehicle, which comprises a vehicle body side wall assembly comprising a column A, a column B, a column C and a column D; the automobile body top cover assembly comprises a top cover front cross beam assembly, a skylight reinforcing ring assembly, a top cover middle cross beam assembly and a top cover rear cross beam assembly; the vehicle body floor assembly comprises a front floor front cross beam, a front floor rear cross beam, a rear floor middle cross beam and a rear coaming assembly which are sequentially arranged from front to back; the top cover front cross beam assembly and the front floor front cross beam are fixedly connected with the A column and jointly define a first annular frame. The skylight reinforcing ring assembly and the front floor rear cross beam are fixedly connected with the B column and jointly define a second annular frame. And the top cover middle cross beam assembly and the rear floor middle cross beam are fixedly connected with the column C correspondingly and jointly define a third annular frame, the top cover rear cross beam assembly and the rear coaming assembly are fixedly connected with the column D correspondingly and jointly define a fourth annular frame, and the collision and rolling safety performance of the whole vehicle is improved.
Owner:DONGFENG MOTOR GRP

Movable concrete mixing plant

The utility model provides a movable concrete mixing plant. The movable concrete mixing plant comprises a concrete mixing assembly and a track flat car assembly, the concrete stirring assembly comprises a liquid material supply single piece, a powder material supply single piece, a gravel supply single piece and a stirring single piece connected with the liquid material supply single piece, the powder material supply single piece and the gravel supply single piece. The rail flat car assembly comprises a first flat car and a second flat car, the single stirring piece, the single liquid material supply piece and the single powder material supply piece are all arranged on the first flat car, and the single gravel supply piece is arranged on the second flat car. The liquid material supply single piece, the powder material supply single piece and the stirring single piece are integrated on the first flat car, and the gravel supply single piece is arranged on the second flat car, so that the whole equipment can be transported on a rail and can also enter a tunnel and other places with limited space, the space is saved, meanwhile, the carrying capacity of all materials is guaranteed, and the working efficiency is improved. And the requirement of concrete materials required for repairing time diseases of one skylight is met.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Explosion-proof membrane capable of being quickly shaped and preparation method thereof

The invention discloses an explosion-proof membrane capable of being quickly shaped and a preparation method of the explosion-proof membrane. The explosion-proof membrane comprises a base material layer, an energy dissipation layer, a self-healing layer and a self-adhesive layer which are sequentially compounded, the base material layer is a high-transmittance polyester base material with shape memory performance; the energy dissipation layer is located on the outer side of the base material layer and is of a gradient modulus structure. The self-healing layer is located on the outer side of the energy dissipation layer, and the self-healing layer is a low-modulus acrylate polymer matrix; the self-adhesive layer is located on the inner side of the base material layer. According to the method, the site construction period is shortened from the hour level to the minute level, the adaptability to the hyperboloid car window or dome daylighting roof complex special-shaped base is improved, and rapid shaping is achieved.
Owner:SUZHOU UP-TEC ELECTRONIC & TECH CO LTD

The combined support mining method of segmented open pit method for unstable ore body in the upper wall

The present application provides a combined support mining method for the segmented open-pit method of an unstable ore body in the upper plate, which belongs to the field of mining engineering, wherein the middle section of the ore body is divided into plate areas along the strike and pillars are set, the plate area is divided into the upper plate area and the lower plate area, and the lower plate is divided into three sections; the mining area is divided along the strike in the upper plate area, and the mining area is divided perpendicular to the strike in the lower plate area; pedestrian skylights, layered connecting roads, cutting bottom tunnels and related return air facilities are constructed; the upper plate area is mined layer by layer and supported simultaneously; the lower plate area uses the empty area formed in the upper plate as compensation space for downward mining; finally, the empty area is sealed or filled with waste rock. The present application divides the ore body into upper and lower plate areas, combines shallow hole grooving with the upper plate support process, not only realizing layered mining and blasting grooving in the upper plate area, but also providing blasting compensation space for mining in the lower plate area, reducing loss and depletion, and providing working conditions for the reinforcement and support of unstable rock bodies in the upper plate.
Owner:CHINA MINMETALS CHANGSHA MINING RES INST +1

Self-adaptive dynamic sunshade PV skylight

A self-adaptive dynamic sunshade PV skylight is provided with a window body assembly of a hollow cavity structure, the window body assembly is composed of an outer side glass slide and an inner side glass slide, and a thermochromic layer is arranged on the inner surface of the outer side glass slide and used for automatically reducing the light transmittance when the environment temperature rises so as to achieve passive sunshade. An electrically controllable optical layer is arranged on the outer surface or the inner surface of the inner side glass slide and is used for realizing active and partitioned optical performance adjustment under the driving of the controller and acquiring environmental parameters such as external illumination intensity, incident angle, indoor temperature and humidity and cavity condensation risk in real time. The strip-shaped micro photovoltaic array is arranged on the edge of the window frame, the segmented bypass wiring and the weak light MPPT technology are combined, solar energy can still be efficiently collected even in the local shielding or cloudy day low-illumination environment, and it is ensured that the system stably runs for a long time under the condition that no external power source is connected in cooperation with the super-capacitor energy storage unit.
Owner:SHENZHEN JUDAO STAR MAP OVERSEAS INFORMATION TECHNOLOGY CO LTD

Long-term yellowing-resistant transparent wood and preparation method thereof

The invention discloses long-term yellowing-resistant transparent wood and a preparation method thereof. Comprising the following steps that firstly, delignification veneers are treated through acid-base combination to serve as filling materials; secondly, placing the delignified veneer in an alicyclic epoxy resin impregnation liquid for vacuum impregnation; and finally, curing and forming are conducted, and the yellowing-resistant transparent wood is prepared. The transparent wood has the advantages of high light transmittance, excellent long-term ultraviolet resistance and excellent high-temperature yellowing resistance. The composite material is widely applicable to the fields of building external windows, skylights, photovoltaic panel substrates, automobile window glass, high-end home decoration materials and the like, and has a remarkable application prospect.
Owner:NANJING FORESTRY UNIV

Subway tunnel structure maintenance operation trolley

PendingCN120171571ACarriagesTrackwayWork unit
The invention relates to the technical field of rail operation, in particular to a subway tunnel structure maintenance operation trolley which comprises a transfer unit, and the transfer unit comprises a rail trolley, a transfer middle frame and a transfer tray. The working unit comprises a middle platform, an upper platform and a plurality of side platforms, the middle platform is arranged on the upper surface of the transfer unit, the upper platform is arranged on the upper surface of the middle platform, and the side platforms are in lap joint with the two sides, perpendicular to the rail direction, of the middle platform according to actual needs. The time consumed by platform building and material carrying is completed before a skylight point, and when the skylight point starts, the materials are uniformly conveyed to a rail-mounted area, so that the time is saved. And the working units can be conveyed to a rail-mounted area more quickly, the working units can be submitted and configured, most of the working units are applicable to modularized detachable and foldable parts, and space is saved.
Owner:BEIJING RAIL TRANSIT CONSTR MANAGEMENT +2

Automobile skylight full-shading roller shutter composite fabric with nine-functional-layer structure

The invention provides an automobile skylight full-shading roller shutter composite fabric with a nine-functional-layer structure, and relates to the technical field of automobile textiles. The nine-functional-layer structure sequentially comprises a graphene far infrared emission yarn layer, a connection yarn layer, a rare earth far infrared absorption heating yarn layer, a first PUR connection point layer, a first aluminized heat reflection layer, a film layer, a second aluminized heat reflection layer, a second PUR connection point layer and an interior fabric layer from top to bottom. The woven fabric with the radiation cooling function and the composite fabric of the nine functional layers of the woven fabric have the capability of reversely emitting sunlight heat penetrating through skylight glass on the top of an automobile to the atmosphere outside the automobile and even the outer space through the skylight glass through absorption reflection and infrared radiation; and the aluminum-plated layer on the lower layer of the film can reduce the cold loss of a passenger compartment. The functions of cooling, heat insulation, cold insulation, shading, beautification and decoration of the nine-layer composite skylight roller shutter fabric for the vehicle are achieved through the effects of absorption, reflection and anti-radiation of infrared rays.
Owner:CPL NEW MATERIAL TECH CO LTD