18results about How to "Reduce shading" patented technology

The invention discloses an anion exchange membrane electrode and a preparation method and application thereof, and belongs to the technical field of new energy material and catalytic electrode preparation, the method comprises the following steps: S1, preparing an anode catalyst slurry comprising a hydrophobic covalent organic framework material, an anode catalyst, an anion exchange ionomer and a solvent; s2, preparing a cathode catalyst slurry of which the components comprise a cathode catalyst, an anion exchange ionomer and a solvent; and S3, respectively spraying or coating the anode catalyst slurry and the cathode catalyst slurry on two side surfaces of an anion exchange membrane or a gas diffusion layer, and carrying out heat treatment to obtain the anion exchange membrane electrode. The method provided by the invention can solve the problems of large gas-liquid-ion three-phase mass transfer resistance, easy shielding of active catalytic sites by ionomers and unbalanced water management in the membrane electrode assembly in the existing AEMWE device.

The present invention discloses a metal mesh printing plate and a preparation method thereof, wherein the metal mesh printing plate comprises a metal mesh and a polyester mesh, wherein a metal layer is provided in a non-graphic area on the metal mesh, and a graphic area is located in the non-graphic area; in the weft direction, the warp is removed by truncation at a position corresponding to the graphic area, and / or, in the warp direction, the weft is removed by truncation at a position corresponding to the graphic area, wherein the number of wefts / warps that have been truncation-processed is greater than or equal to 1. The present invention removes the warp / weft at a position corresponding to the graphic area by truncation, and the truncated warp / weft still has considerable strength at a position corresponding to the non-graphic area due to electroplating of a metal layer; in addition, reducing the shielding of the weft / warp on the printing area can make the ink leakage uniform and abundant, so that the printed graphics are clear and accurate, thereby improving the printing quality.

The invention relates to the technical field of green buildings, in particular to a roof structure for a green building, which comprises a flat roof, a rotating table and a temperature control assembly. A green plant layer and a supporting frame are arranged on the flat roof, and a plurality of photovoltaic panels are installed on the supporting frame. The rotating table comprises a rotating part and a limiting part, the rotating part is installed between the supporting frame and the photovoltaic panel, the limiting part is installed on the side, close to the east, of the supporting frame, the limiting part is located at the horizontal position, and the limiting part is located on the rotating path of the photovoltaic panel. The temperature control assembly comprises a temperature sensing air bag and a driving part, the side, close to the photovoltaic panel, of the temperature sensing air bag is attached to the photovoltaic panel, the driving part is fixedly connected with the temperature sensing air bag, and the driving part is connected with the rotating part. The temperature sensing air bag is used for sensing the irradiation intensity of sunlight, so that the driving piece and the rotating piece are used for adjusting the angle of the photovoltaic panel, and the green plant layer obtains more suitable sunlight. The application has the effect of enabling the green plant layer to be more suitable for growth.

The invention provides an electrode slurry transfer plate body, a preparation method of a solar cell electrode and a solar cell. The electrode slurry transfer plate body is used for transferring slurry forming an electrode in a solar cell and comprises a substrate layer, the surface of the substrate layer is positively charged, the surface comprises a first surface and a second surface which are arranged back to back, and a plurality of grooves corresponding to electrode patterns are formed in the first surface of the substrate layer through a patterning process; the insulating coating is arranged on the first surface and at least covers the groove, the insulating coating has low surface energy and forms a low-energy surface opposite to the first surface, and the groove covered with the insulating coating is a groove to be filled. When the electrode slurry transfer plate body is used for preparing a solar cell electrode, the electrode width is reduced, the alignment degree is improved, high-quality laminated electrode arrangement is achieved, and the photoelectric conversion efficiency is improved.

The invention discloses a ceramic green surface bubble identification method based on machine vision, particularly relates to the field of image processing and surface defect detection, and is used for solving the problem of false detection caused by artifacts generated by bubble brightness overturning and mirror surface reflection of a green glaze surface under different illumination. A first illumination image and a second illumination image are collected, an alignment image group is established, local illumination normalization and peripheral texture compensation are executed to form a highlight texture removal image group, a symmetric residual image and an abnormal response are calculated to obtain a candidate region set, and the candidate region set establishes corresponding association in the alignment image group to obtain a highlight texture removal image group. Extracting a main reflection direction and calculating a slip normalization quantity of the main reflection direction and a slip normalization quantity of a vertical reflection direction, outputting bubble credibility through logistic regression, dividing a bubble region and a reflection artifact region, generating a bubble mask to update a reference texture, updating a highlight compensation model through the reflection artifact region, and performing consistency verification on a compensation result. And outputting a bubble recognition result.

The retractable sunshade device for protecting the charging pile comprises a supporting plate, one end of the supporting plate is bent to form an inner sunshade plate, an outer sunshade plate of an arc-shaped structure is arranged on the outer side of the inner sunshade plate, and inner side plates are installed at the two ends of the inner sunshade plate in the width direction. Outer side plates are installed at the two ends of the outer sun shield in the width direction and arranged outside the inner side plates, the corners of the inner side plates protrude to form fixing parts, adjusting plates connected with the fixing parts are installed at the corners of the outer side plates, and driving mechanisms for driving the outer side plates and the outer sun shield to rotate are installed on the outer sides of the adjusting plates. The charging pile is simple in structure, the driving mechanism can drive the outer side plate and the outer sun shield to be opened and closed, after the charging pile is opened, the sun-shading and waterproof effects of the top can be improved through the outer sun shield and the inner sun shield, the lateral sun-shading and waterproof effects can be improved through the outer side plate and the inner side plate, and normal operation of the charging pile is ensured.

The invention discloses a photovoltaic welding strip, a photovoltaic module production method, production equipment and a photovoltaic module. The photovoltaic solder strip comprises a conductive substrate and a protective reflective layer, and is not provided with a solder layer for providing enough brazing materials for ensuring effective welding. Under the condition of the same conductivity, the photovoltaic solder strip is smaller in size and lower in cost, the proportion of the thickness of the adhesive film and the shading area caused by the solder layer with the conductivity basically negligible is lower, and the power generation efficiency of the photovoltaic module is improved while the material cost of the photovoltaic module is reduced. The problems that when the number of photovoltaic welding strips is increased and the size of the photovoltaic welding strips is reduced, the power generation efficiency is not obviously improved due to the fact that the proportion of the shading area is higher and higher caused by brazing materials, and the shapes and the performance of special-shaped welding strips such as triangular welding strips gradually tend to be the same as those of round welding strips are solved. And meanwhile, the lead-free property of the photovoltaic welding strip becomes possible.

This application relates to a battery testing system, which includes a testing device, a testing mechanism, and a testing section. The projection of the testing section along a first direction is located on the battery under test. The testing section is used to contact and form an electrical connection with the battery under test, and to collect current signals. The testing section is made of a conductive material with a light transmittance of T1, where T1 ≥ 75%. The technical solution provided by this application solves the problem of cumbersome methods for calibrating light intensity in batteries in related technologies.

The invention discloses a solar modular photovoltaic module convenient to clean, and relates to the technical field of photovoltaic power generation, the solar modular photovoltaic module comprises a frame mechanism, the frame mechanism comprises a main beam, a side beam, a middle beam, an auxiliary beam, a side rod, a stop column and a storage chute; a water collecting mechanism is installed on the top face of the main beam and comprises a supporting column, a water collecting tank, a water distribution chamber and a water injection rod. A power generation mechanism slides in the storage sliding groove, and the power generation mechanism comprises a rotating motor, a frame, a top frame, a bottom frame, a solar panel and a storage groove; an unfolding mechanism is mounted in the storage groove, and the unfolding mechanism comprises a rotating shaft, a blocking strip, an unfolding plate, an anti-rotating plate and a blocking block; a cleaning mechanism is mounted in the top frame and comprises a shell, a water storage bin, a cleaning belt and a convex pattern cylinder; the solar photovoltaic module has the advantages that the solar photovoltaic module is modularly designed, the solar photovoltaic module can be quickly folded and unfolded, the service life is prolonged, the power generation efficiency is improved, and meanwhile the solar photovoltaic module is cleaned.

The invention relates to a solar cell, a preparation method thereof and a photovoltaic module. The preparation method of the solar cell comprises the steps that a semiconductor substrate is provided, the semiconductor substrate is provided with a first face and a second face which are opposite, and the first face is provided with a first area and a second area; grooving is carried out on the first area; forming a first conductive layer in the first region, and forming a dielectric layer in the second region; forming a first electrode on one side, deviating from the semiconductor substrate, of the first conductive layer through an electroplating process; and removing the dielectric layer. The method can be used for reducing the production cost.

The utility model discloses a hat which comprises a hat body and a hat brim, the hat brim comprises a first part and a second part, the first part is connected with the hat body, the second part is arranged in front of the first part, and the second part and the first part are connected at a first fold, so that the second part is suitable for being folded relative to the first part. The utility model is characterized in that the two sides of the first part are respectively provided with a second crease, the two sides of the second part are respectively provided with a third crease, and the second crease obliquely extends to a first point, far away from the side part, of the first crease from the position, far away from the second part, of the side part of the first part; the third crease obliquely extends to the first point from the position, away from the first part, of the side portion of the second part, the hat is optimized through the crease, the outer side hat brim is driven to be folded towards the hat body in the inward pushing process and fixed through a snap fastener, the folded hat brim is synchronously shrunk in the longitudinal direction and the circumferential direction, and a larger visual field range is provided for a wearer.

The present invention relates to the technical field of ULED screen backlight detection / measurement, and discloses a backlight detection / measurement stage of a ULED screen substrate detection / measurement device, including an upper structure plate and a lower structure plate, the upper structure plate and the lower structure plate are transparent hard materials, the upper structure plate is composed of at least one adsorption plate, each adsorption plate is divided into a plurality of adsorption areas, each adsorption area is provided with at least one adsorption hole, the adsorption hole runs through the upper structure plate, the adsorption holes are distributed with a predetermined size and interval, a sinking air groove is opened in the middle of the lower structure plate, the sinking air groove is connected to the adsorption hole of the upper structure plate, the side of the sinking air groove is a vertical vertical surface, the bottom surface is a horizontal surface, and the bottom surface is polished. The partition control of the adsorption hole of the present invention can solve the adsorption problem of substrates of different shapes and sizes, the special structural design of the air hole can solve the problem of backlight uniformity, and the combination of the two can be used for backlight detection / measurement of substrates of different shapes and sizes.

The utility model relates to the technical field of laminated glass, and discloses high-strength laminated glass which comprises a frame, an inner glass body is fixedly arranged at the position, close to the front end, of the inner side of the frame, an outer glass body is fixedly arranged at the position, close to the rear end, of the inner side of the frame, and a second middle film is fixedly arranged at the rear end of the inner glass body. A transfer layer is fixedly arranged at the rear end of the second middle film, a color changing layer is fixedly arranged at the rear end of the transfer layer, a first middle film is fixedly arranged at the rear end of the color changing layer, an outer protective layer is fixedly arranged at the rear end of the outer glass body, an inner protective layer is fixedly arranged at the front end of the inner glass body, and the outer protective layer comprises a wear-resistant layer. And a heat insulation layer is fixedly arranged at the rear end of the wear-resistant layer, the inner protection layer comprises a light-transmitting layer, and an anti-corrosion layer is fixedly arranged at the front end of the light-transmitting layer. According to the utility model, the strength of the glass is improved, the glass can be protected after being used for a long time, and the service life of the glass is prolonged.

The utility model relates to three-silver and silver-free hollow glass, and belongs to the technical field of functional glass. Comprising three-silver coated glass on the outer layer and silver-free coated glass on the inner side, and a warm edge spacing bar is arranged between the three-silver coated glass and the silver-free coated glass. Wherein the three-silver coated glass is provided with a film layer structure with three silver layers, and the silver-free coated glass is provided with a film layer structure without a silver layer. According to the utility model, the three-silver coated glass and the silver-free coated glass are combined, so that the overall heat insulation effect is achieved, and the cost of profiles and other materials is greatly reduced. The glass has good light transmission and sunshade effect, and has good heat insulation and heat preservation effect.

The invention provides a self-adaptive high beam control method and system in a high-delay environment, and belongs to the technical field of vehicle illumination control. Comprising two parts of core contents: one part is an ADB dark space generation and delay compensation strategy, target object information is collected through a vehicle-mounted foresight camera, after the information is processed by an ADS controller, target object coordinates are converted from a camera coordinate system to a left and right vehicle lamp coordinate system, then two-dimensional delay compensation is performed by fusing the vehicle yaw velocity and the angular velocity of a target object, and the target object information is obtained; the real-time position of a target object is accurately calculated, and an accurate dark area is generated by matching the irradiation range of LED lamp beads of a matrix headlamp; and 2, a delay time self-calibration strategy: sampling and analyzing a camera target object signal and a compensated signal by adopting a cross-correlation peak value method, dynamically obtaining a real delay amount as an input of a compensation algorithm, and only completing one-time calibration after ADB activation each time and storing a result as a next initial value. According to the invention, the tracking timeliness and shielding precision of the ADB on the target object in a high-delay environment are effectively improved.

The present application provides a display panel and a display device. The auxiliary electrode is arranged in the same layer as the anode and is arranged opposite to the auxiliary electrode. The conductive isolation structure includes a conductive structure arranged in contact with the cathode. The conductive structure is connected to the auxiliary electrode via a pixel definition layer. The present application arranges an auxiliary electrode arranged opposite to the conductive isolation structure so as to connect the conductive structure to the auxiliary electrode via a pixel definition layer, and realize electrical connection between the cathode, the conductive structure and the auxiliary electrode, so that the auxiliary electrode, the conductive structure and the cathode cooperate to form a whole-surface cathode; further, due to the via connection between the conductive structure and the auxiliary electrode, the surface of the conductive structure and the thickness of the conductive structure are increased while the overlap area between the cathode and the conductive structure remains unchanged, thereby reducing the resistance at the conductive structure, and then reducing the connection resistance between adjacent cathodes, thereby effectively reducing the whole-surface resistance of the cathode and improving the whole-surface uniformity of the cathode.

The utility model relates to the technical field of VA liquid crystal screens, and discloses a full-visual-angle VA liquid crystal display screen structure which comprises a VA liquid crystal screen body, the top of the VA liquid crystal screen body is covered with a PE protective film, the PE protective film is covered with a PET layer, a peep-proof structure is arranged above the PET layer, the peep-proof structure is covered with a hardened layer, and the hardened layer is arranged above the PE protective film. The hardened layer is covered with a surface PE protective film, and the PE protective film, the PET layer, the hardened layer and the surface PE protective film are all made of transparent materials. According to the full-view-angle VA liquid crystal display screen structure, the PE protective film, the PET layer, the peep-proof structure, the hardened layer and the surface PE protective film are arranged on the top of the VA liquid crystal display screen body, and when the VA liquid crystal display screen body is used, light of the VA liquid crystal display screen body can be shielded by the peep-proof structure; content displayed on the VA liquid crystal screen body cannot be directly seen from the two sides of the VA liquid crystal screen body, and the peep-proof effect is achieved.

The utility model discloses a sightseeing elevator external hanging type guide rail frame utilizing a high hoistway space, which comprises a connecting frame which is of a U-shaped frame body structure and is of a frame body structure connected with a sightseeing elevator base; the main guide rail column is located on the side wall face of the connecting frame, and the main guide rail column is located in the high hoistway; and one end of the positioning plate penetrates through the interior of the connecting frame. According to the sightseeing elevator external hanging type guide rail frame utilizing the high hoistway space, the connecting frames are installed between the main guide rail columns and the auxiliary guide rail columns, the space in the hoistway is limited along with installation in the high hoistway through bolts and fixing frames, and meanwhile the space in the hoistway is limited along with sliding connection of the connecting frames, the main guide rail columns and the auxiliary guide rail columns. The situation that after the main guide rail column and the auxiliary guide rail column are fixedly installed, the space of the limiting table is insufficient is avoided, the internal space of the high hoistway is fully utilized for limiting butt joint installation, and the installation positions of the main guide rail column and the auxiliary guide rail column can be conveniently adjusted in the assembling process.