146results about How to "Prevent penetration" patented technology

The invention discloses a composite modification film, a lithium metal negative electrode and a preparation method of the lithium metal negative electrode. The composite modified film comprises an organic polymer solid electrolyte, an inorganic solid electrolyte and a film-forming agent, and the mass ratio of the organic polymer solid electrolyte to the inorganic solid electrolyte to the film-forming agent is (10%-35%): (10%-35%): (30%-80%). The composite modified film effectively buffers cyclic stress, prevents early mechanical failure of the protective layer, and realizes mechanical durability of the interface protective layer; the immobilized film-forming agent can be slowly released, so that the continuous and stable repair of SEI is realized, the dynamic repair capability of the whole life cycle is provided, and the efficient cycle life of the battery is greatly prolonged; and the electrolyte does not need to depend on a high-concentration liquid additive, dramatic change of electrolyte components in circulation is avoided, the overall chemical stability of the battery is improved, and the stability of an electrolyte system is guaranteed.

This invention relates to the field of battery technology, specifically to a composite negative electrode current collector, its preparation method, and its application. The composite negative electrode current collector of this invention includes a polymer material layer, a lithium replenishment layer, and a conductive metal layer. The lithium replenishment layer is located on at least one surface of the polymer material layer, and the conductive metal layer is located on the surface of the lithium replenishment layer away from the polymer material layer. The lithium replenishment layer includes a composite lithium material comprising a lithium metal core and a lithium compound coating layer covering the surface of the lithium metal core. The conductive metal layer has multiple through-hole structures. The composite negative electrode current collector of this invention, through the coordination of its various layer structures, is beneficial for improving the storage performance of the negative electrode, reducing battery impedance, shortening the electrolyte wetting time, enhancing lithium replenishment capacity, preventing the formation of lithium dendrites, and improving battery safety performance.

The present application relates to the technical field of conductive foil, specifically to a multilayer composite conductive foil and its preparation method and application, specifically comprising the following steps: S1. aluminum foil is immersed in NaOH solution and then cleaned with deionized water, dried to obtain pretreated aluminum foil; S2. using a magnetron sputtering instrument, using a Ti-Zn-C-Ni composite target material to sputter the pretreated aluminum foil, and obtaining a transition layer conductive foil after deposition; S3. the modified functional slurry is coated on the surface of the transition layer conductive foil by a doctor blade coater, then added to an oven for segmented curing, and then annealed, and after cooling to room temperature, a multilayer composite conductive foil is obtained. The present application forms a strong adhesion bottom layer with the substrate through the composite process design of sputtering and coating, blocks the corrosion of electrolyte to the substrate, and also bears the conductive and catalytic functions. The two functional layers obtained by the two processes are further fused through annealing treatment, forming a gradient interface, eliminating interlayer stress, and improving the overall structural stability.

This disclosure provides a control circuit and electronic device for system overvoltage protection. The control circuit includes an overvoltage detection module, a fast charging interface module, and a system power module. One end of the overvoltage detection module is connected to the fast charging interface module, and the other end is connected to the system power module. The fast charging interface module is connected to the system power module. The overvoltage detection module is used to detect a first voltage input from the fast charging interface module to the system power module. When the detected first voltage is greater than a preset threshold, it sends a shutdown signal to the fast charging interface module to disconnect the line between the fast charging interface module and the system power module.

The application discloses a kind of oil-containing water body separation membrane for refining process of Bupleurum volatile oil and preparation method and application.The preparation method of the application is first mixed and dissolved according to proportion with cellulose acetate and cellulose nitrate powder, form casting membrane liquid, and the base membrane is prepared using non-solvent phase conversion method;Second, the film is deacetylated;After that, it is soaked in acyl chloride n-hexane solution for crosslinking;Finally, by in-situ hydrolysis of silane coupling agent on the membrane surface, a hydrophobic surface is prepared, and an oil-containing water body separation membrane for refining process of Bupleurum volatile oil is obtained.This method forms a hydrophobic layer on the surface of the membrane, which strengthens the rapid passage of Bupleurum volatile oil molecules and inhibits the penetration of water;Using the oil-containing water body separation membrane avoids the formation of emulsion during oil-water separation, showing high separation efficiency and stability, and widening the application of cellulose acetate membrane in traditional Chinese medicine preparation process.

The application provides a display panel and a display device. The display panel comprises: a substrate having a display area and a non-display area, the non-display area comprising a binding area located away from the display area; a protective adhesive layer arranged in the non-display area and covering at least the binding area; a polarizer located at least in the display area and extending at least to the edge of the protective adhesive layer; a first barrier structure arranged in the non-display area and located between the protective adhesive layer and the polarizer; and the polarizer covering at least part of the first barrier structure. The display panel can avoid forming a water vapor invasion path at the edge of the polarizer, effectively prevent water vapor penetration, and significantly improve the reliability and service life of the display panel.

The utility model provides a kind of multiple combination sealing type roller chain, belong to roller chain technical field.It includes pin shaft and respectively the outer chain plate of being set in the both ends of pin shaft, bushing is set in pin shaft, bushing both ends are respectively set with inner chain plate, roller is set in bushing, clearance fit is formed with lubricating portion between pin shaft and bushing, oil supply path is equipped in pin shaft with lubricating portion intercommunication, bushing both ends are respectively equipped with combination sealing assembly, combination sealing assembly includes the first sealing structure being arranged between bushing and outer chain plate, second sealing structure is also equipped between outer chain plate and inner chain plate outside the first sealing structure side.Lots of sealing structures form multiple sealing barrier in bushing end portion, ensure that can effectively block particle impurity and seawater penetration, can effectively prolong the retention time of lubricating oil, significantly improve the sealing effect and sealing life of bushing end portion.

The utility model relates to the technical field of automobile center console panel, and disclose a kind of injection molding's automobile center console panel, including injection integrated center console panel main body, the top of center console panel main body is equipped with function mounting plate, the bottom of center console panel main body is welded with guide column, the bottom of guide column is equipped with guide slot, the bottom of center console panel main body is provided with reinforcing mechanism, the top of center console panel main body is sprayed with polyamide wear-resistant coating;The injection molding's automobile center console panel, by setting horizontal reinforcing rib, longitudinal reinforcing rib and triangular reinforcing block, significantly improve panel deformation resistance under the premise of lightweight, prolong service life, by the cooperation of guide column and guide slot, center console panel main body is quickly and accurately positioned, cooperate the antiskid design of buckle slot, ensure that it is firm and not loose after assembly.

The present application belongs to the field of building construction technology, and relates to a window sill construction method and a prefabricated part for a reconstruction project, comprising an original wall, a plurality of prefabricated blocks and a mortar leveling layer, the original wall and the plurality of prefabricated blocks are provided with the mortar leveling layer, the prefabricated blocks are fixed by high-strength self-leveling grouting, the original wall passes through the plurality of prefabricated blocks through a reinforcing bar connecting piece, and the original wall and the plurality of prefabricated blocks are provided with a waterproof layer outside. The combination scheme of the prefabricated blocks, the reinforcing bar connecting piece and the self-leveling grouting effectively reduces the process of the overall structure construction, improves the construction efficiency, reduces the material waste on the construction site, avoids the generation of a large amount of building material garbage, effectively saves the construction cost, and improves the effect and long-term reliability of the window sill prefabricated reconstruction project.

The utility model relates to an anti -skidding protective pad and anti -skidding transfer bed belong to transfer bed protective pad technical field. It includes protective pad and disposable bed sheet. Protective pad middle part is provided with tension belt, and tension belt is used for fixing protective pad with the folding board of transfer bed, and the both sides of protective pad are fixed with slide strip, and protective pad can fold with the folding of folding board of transfer bed. Disposable bed sheet end part is provided with bag, that is, when the directional force of sealed part is applied, the blocking is realized due to the effect of pocket to prevent the bed sheet from sliding off, the effect of disposable bed sheet anti -skidding can be realized, and because disposable bed sheet does not have other non -replaceable structure and disposable bed sheet wraps protective pad completely, the bed sheet anti -skidding under the condition of keeping the sanitary requirement can be effectively guaranteed.

This utility model relates to the field of sample drying technology, specifically to an electric heating drying oven, including a box body, a lid, and an adjustment and connection unit. The adjustment and connection unit includes a base frame, an arc-shaped rail, a base, a push rod, a rotating plate, a fixed rod, a stepper motor, a drying component, and a feeding component. In use, a metal plate coated with paint is placed on the feeding component, and the lid is closed using a hinge. The drying component is then activated to heat and dry the interior of the box. After processing, the stepper motor is activated, driving the rotating plate to rotate. Through the linkage of the fixed rod, push rod, and base, the arc-shaped rail slides along the arc-shaped groove, causing the base frame to move out of the box body. The drying component provides high-temperature gas to heat the chamber formed by the box body and lid, ensuring the drying of the metal plate. This method of removing the processed metal plate avoids the need for the testing personnel to reach in to retrieve it, reducing the risk of burns and facilitating operation.

The utility model discloses a kind of composite aluminum alloy windows of high-efficiency sound insulation and heat insulation, including two groups of beam body, sound insulation cavity is set in the beam body, sound insulation block is filled in the sound insulation cavity, multiple hexagonal through-holes are passed through and set in the outer wall of sound insulation block, two groups of the beam body are connected by heat insulation bridge, the outer wall of beam body is provided with connecting groove and connecting along, multiple support columns are set in the sound insulation cavity, multiple the support column is obliquely arranged alternately, and inside is hollow shape.The utility model fills sound insulation block with hexagonal through-hole in beam body sound insulation cavity, and the layout of zigzag of hollow support column is alternately inclined, convert traditional single, double-cavity linear type sound wave path into composite path of multiple refraction+multiple reflection, effectively weaken the penetration of medium-high frequency noise, simultaneously, hollow structure of support column can be filled with sound-absorbing material, further inhibit structure sound transmission, solve the problem that traditional profile cavity directly conducts noise and is easy to deform after filling.

The utility model provides a kind of compartment for living in house car, belong to compartment heat insulation equipment technical field, including car body, the inside of car body is provided with cooling interlayer, multiple layers of air flue are provided in cooling interlayer, the rear outer wall of car body is provided with air cooler, air cooler air outlet end passes through car body and enters cooling interlayer, air cooler air outlet end is provided with air distribution bin passing through car body, the air inlet end of each layer air flue is interconnected with air distribution bin, the upper and lower two sides of each layer air flue are all provided with multiple air vents, the utility model is in by air cooler Cold air is delivered to air distribution bin, and then every layer air flue can flow cold air, cold air can be passed through air vent and enter cooling interlayer, and then the inner wall of car body is cooled, so as to prevent the water droplet generated in the process of using the outer wall of cooling pipeline from penetrating to heat insulation material, so that heat insulation material can be protected under the condition of cooling car body, and the service life of compartment is improved.

This utility model relates to the field of electrical component technology, specifically to an insulating sleeve for terminals. It includes an insulating protective sleeve composed of a first outer shell and a second outer shell. The insulating protective sleeve has symmetrically arranged cable waterproofing structures on its upper and lower surfaces. The cable waterproofing structure includes a cable waterproofing base mounted on the first outer shell, and a cable waterproofing cover mounted on the second outer shell on one side of the cable waterproofing base. Through this cable waterproofing mechanism, when the insulating sleeve is first used, a cable can be inserted through cable holes opened on the surfaces of multiple fixing blocks. Once the cable is inserted, the cable holes are completely covered by the cable. Simultaneously, the fixing blocks can be fitted with the cable waterproofing base via sliding grooves. The cable waterproofing base is connected to the cable waterproofing cover via bolts to complete the seal, forming the cable waterproofing mechanism. The cable waterproofing mechanism can also be connected to the insulating sleeve via bolts. Once fully connected, it effectively prevents moisture penetration, thus protecting the cable and terminals from moisture and damage.

The utility model discloses a seamless door and window structure with good sound insulation and sealing performance, relating to the technical field of doors and windows, comprising a base, a mounting stand column is vertically arranged on the upper part of one end of the base, an auxiliary assembly is arranged on the base, a window panel is connected to the mounting stand column through a connecting hinge, a sealing strip is arranged on the side of the window panel close to the mounting stand column, and a sealing assembly is arranged on the side of the window panel away from the mounting stand column. The multiple arrangement of the sealing strip and the sealing assembly effectively prevents air and noise penetration. The sealing strip is tightly attached between the window panel and the base or the mounting stand column, and the sealing assembly further improves the sealing performance of the door and window, especially in the bottom and top areas. The auxiliary soft plate and the auxiliary protrusions thereon increase the contact area with other parts of the door and window structure, thereby improving the overall sealing effect. The design of the multilayer pressboard and the connecting soft plate not only enhances the strength of the door and window structure, but also improves the sound insulation performance through the combination of multiple materials.

The utility model relates to the technical field of aluminium veneer provides a kind of aluminium veneer of firm installation, including aluminium veneer body, the outer wall of aluminium veneer body one side is uniformly fixed with longitudinal reinforcing rib, adjacent the longitudinal reinforcing rib between uniformly fixed with reinforcing structure, the reinforcing structure includes transverse reinforcing rib, limit stop and fixed bolt, the transverse reinforcing rib is uniformly set in aluminium veneer body near the side of longitudinal reinforcing rib.The utility model is provided with reinforcing structure, transverse reinforcing rib and longitudinal reinforcing rib form grid structure, can significantly improve the bending stiffness of aluminium veneer body when using, prevent wind pressure deformation, limit stop is locked with longitudinal reinforcing rib by fixed bolt, ensure reinforcing rib spacing uniform, avoid misplacement, guarantee the stability of connection, realized the device has the function of strengthening aluminium veneer body conveniently, improved the stability of this aluminium veneer of firm installation when using.

This utility model belongs to the field of doors and windows, and specifically discloses a waterproof and seepage-proof frame-sash diagonally overlapping thermally broken aluminum alloy door and window, including a window frame, a sash frame, and insulated glass. The window frame includes an interior window frame profile and an exterior window frame profile, which are connected by a thermal break strip. The interior window frame profile has an inclined surface on the side facing the sash frame. The sash frame includes an interior sash frame profile and an exterior sash frame profile, which are connected by a thermal break strip. The interior sash frame profile is flush with the interior window frame profile. A sealing strip groove is provided on the side of the interior sash frame profile facing the window frame, and a sealing strip is provided between the sealing strip groove and the inclined surface. This utility model uses wide thermally broken aluminum profiles, has good thermal insulation performance, uses a diagonally overlapping process to enhance sealing and waterproofing capabilities, and adopts a stylish frame-sash flush design to improve aesthetics, ease of cleaning, and sealing performance, resulting in a high-quality window product.

The application discloses an inorganic copolymer anticorrosive paint and a preparation method thereof, and relates to the technical field of paints. The inorganic copolymer anticorrosive paint comprises the following raw materials in parts by weight: 20-30 parts of silica sol, 8-15 parts of sodium hydroxide, 30-45 parts of metakaolin, 8-20 parts of quartz sand, 15-25 parts of water, 0.3-2 parts of sodium polyacrylate, 0.2-3 parts of polydimethylsiloxane emulsion, 5-12 parts of modified nanometer titanium dioxide, 6-10 parts of modified epoxy resin, 10-25 parts of hydroxyethyl methacrylate, 5-10 parts of zinc phosphate, 3-8 parts of aluminum tripolyphosphate and 2-6 parts of red iron oxide. The inorganic copolymer anticorrosive paint has scientific raw material proportioning, and the anticorrosive performance is enhanced through the modified nanometer titanium dioxide and the epoxy resin. In the preparation, step-by-step feeding and ultrasonic dispersion are adopted to ensure that the materials are uniform, and vacuum degassing and nitrogen protection are adopted to improve the stability. The silica sol, the zinc phosphate and other components have a synergistic effect, a dense coating is formed, the anticorrosive performance is high, the construction performance is good, and the inorganic copolymer anticorrosive paint is suitable for various scenes.

This invention discloses a lithium-ion battery separator with a porous alumina-based composite material coating and its preparation method. The lithium-ion battery separator with the porous alumina-based composite material coating includes a base film and a coating on the base film. The coating includes modified porous alumina, which comprises porous alumina and lithium element supported on the porous alumina. The method for preparing the modified porous alumina includes: immersing the porous alumina in an aqueous solution of lithium salt, simultaneously stirring and sonicating under vacuum for 4-6 hours, drying, grinding into powder, and calcining at 400-600℃ for 2-4 hours under an inert gas atmosphere to obtain the modified porous alumina. The lithium-ion battery separator of this invention has high heat resistance, high wettability, and high ionic conductivity.

The application provides a paper kitchen garbage bag resistant to biological degradation, which comprises a bag body, a sticking area one on the left side of the inner layer of the bag body, a sticking area two on the right side of the inner layer of the bag body, and a heat sealing area on the lower side of the inner layer of the bag body; the sticking area one is coated with a side waterproof coating one, the sticking area two is coated with a side waterproof coating two, the heat sealing area is coated with a bottom waterproof coating, and the remaining part of the bag body and the position of the lower half are coated with a main waterproof coating. The side waterproof coating one, the side waterproof coating two, the main waterproof coating and the bottom waterproof coating are arranged, so that the lower half of the garbage bag has complete anti-permeation function. The design fully matches the characteristics that liquid mainly accumulates in the lower half of the bag body in actual use of kitchen garbage, which can effectively prevent liquid permeation and avoid functional redundancy caused by full bag coating.

This utility model relates to the field of wood panels and discloses a eucalyptus wood panel with an anti-corrosion structure. The panel includes a wood panel body, an external multi-directional connecting mechanism comprising a round rod, a square block fixedly connected to the outside of the round rod, a sliding groove inside the wood panel body, and a top groove on the top side of the inside of the wood panel body. The square block is slidably connected to the inside of the sliding groove, and the round rod is slidably connected to the inside of the top groove. A limiting component is slidably connected inside the wood panel body. In this utility model, by inserting the round rod into the top groove, the square block is pushed into the sliding groove. Subsequently, a sliding plate moves the connecting plate and the limiting rod, causing the limiting rod to slide into the round groove of the square block. This achieves the connection and fixation of the wood panels in both horizontal and vertical directions, allowing for flexible combination and installation of multiple wood panels in different directions, thus improving the convenience and practicality of eucalyptus wood panels in practical applications.

This utility model discloses a layered tent, relating to the field of tent technology. It includes an inner tent fabric and an outer tent fabric. The bottom of the inner tent fabric is equipped with windproof fixing ropes, and an inflatable support column is added to the outside of the inner tent fabric. The upper end of the inflatable support column has an inflation port, and a Velcro surface is added to the outer side below the inflatable support column. An installation top post is provided at the upper outer end of the inner tent fabric, and the outer tent fabric is distributed above the inner tent fabric. A limiting installation top is added to the top of the outer tent fabric, and a Velcro hook surface is added to the lower inner side of the outer tent fabric. The lower inner end of the outer tent fabric is provided with a nylon base layer, and an antistatic polyester layer is provided above the nylon base layer. A polyester fiber abrasion-resistant layer is provided above the antistatic polyester layer. This layered tent allows for quick and easy installation of the inner and outer layers, reducing manual labor intensity. It is also easy to assemble and disassemble, increasing the overall practicality and efficiency of the layered tent.

The application discloses a kind of high flame-retardant temperature-resistant corrosion-resistant optical fiber composite cable and preparation method thereof, belong to cable manufacturing technical field, from inside to outside include optical fiber unit, conductor layer, insulating layer, shielding layer, anticorrosive layer and sheath layer in sequence.Optical fiber unit uses ceramicized silicone rubber buffer layer;Conductor layer is nickel-plated copper alloy stranded wire, and oxidation resistance is enhanced by nano titanium dioxide sol treatment;Insulating layer is three-layer co-extrusion structure;Shielding layer uses aluminum-plastic composite tape and plated tin copper wire braided composite structure;Anticorrosive layer is polytetrafluoroethylene film treated by plasma;Sheath layer uses two-component ceramicized silicone rubber, and it is flexible at room temperature vulcanization, and it is converted into ceramic body at high temperature.The application realizes excellent continuous use stability, strong corrosion resistance in salt spray environment and other performances through the synergistic design of multilayer structure, is suitable for high temperature, corrosion, fire and other harsh environments, significantly improves the safety and durability of composite cable.

One embodiment of this specification discloses a display device comprising: a substrate including a display area and a non-display area; driving wiring extending from the display area to the non-display area; a planarization layer disposed above the driving wiring; and touch wiring disposed on the planarization layer. The planarization layer includes trenches extending in one direction, and the trenches do not overlap with the touch wirings in a plane.

This utility model relates to the technical field of power supply components for advertising machines, specifically a power supply component for a building advertising machine. It includes a hinge, a sealing door, a power supply box, and an installation assembly. The hinge has a sliding part with a sealing door, and the sealing door has a mounting point with a power supply box. The installation assembly has a fixing point with both a sealing door and a power supply box. A dustproof and fireproof component is installed on the power supply box. A wiring harness installation assembly is also installed on the power supply box. In this utility model, when the power supply box is aligned with the through hole on the galvanized mounting plate, it facilitates connection and fastening via the through hole. This allows for manual disassembly of the threaded power supply box by the user. When the building advertising machine's wiring is concealed within the building wall, to avoid the inability to maintain the power supply box due to limited space, the power supply box and the wall mounting plate can be disassembled. The wiring harnesses of the building advertising machine's power supply component on the galvanized mounting plate and wiring harness box can then be inspected and replaced.

The utility model relates to the field of pot pad, especially a magnetic cork pot pad, which comprises a cork base body and a magnetic adsorption assembly, the magnetic adsorption assembly is completely embedded in the cork base body and forms an integrated structure, the cork base body is an integral structure formed by hot-pressing after mixing powdery cork particles and adhesive, the magnetic adsorption assembly is directly embedded between the cork base bodies during the forming process, and the lower surface of the cork base body is provided with a heat insulation reinforcing structure. The magnetic cork pot pad realizes the close combination of the magnetic adsorption assembly and the cork base body through the innovative integrated structure design, completely eliminates the risk of cracking and magnet falling of the traditional sandwich structure, and significantly improves the durability of the product. The embedded design of the magnetic assembly not only ensures the penetration efficiency of the magnetic field lines, but also forms a heat insulation safety distance, avoids the magnetic attenuation caused by the direct contact of the magnet with the high-temperature area, and realizes the balance of the adsorption force and the heat insulation performance.

This invention relates to the field of steel strand technology, and proposes a high-strength, corrosion-resistant steel strand and its manufacturing process. The steel strand includes bare strand and an epoxy coating sprayed onto the surface of the bare strand. The epoxy coating comprises the following components by weight: 150 parts epoxy resin, 15-30 parts furan resin, 10-55 parts chlorosulfonated polyethylene, 20-40 parts aluminum nitride, 3-5 parts degassing agent, and 2-6 parts curing agent. This technical solution solves the problem of poor strength and corrosion resistance of epoxy coatings on steel strands in related technologies.

The invention discloses a hydrophobic self-cleaning anti-reflection coating liquid and a preparation method thereof, and aims to overcome the defects in the aspects of hydrophobicity, weather resistance and environmental friendliness although an existing anti-reflection film technology can reduce the optical reflectivity. Aiming at the problems, the molecular-level synergistic effect among the components is realized through the following innovative combination, so that the limitation of the traditional technology is broken through: through the unique combination and proportion of chitosan, long-chain alkyl silane and perfluorosilane as well as glutamine and ethyl acetate, 'high anti-reflection (llt), which cannot be realized by a single component, is converted into high anti-reflection (llt), high anti-reflection (llt), high anti-reflection (llt), high anti-reflection (llt), high anti-reflection (llt) and high anti-reflection (llt); 2.5%) + super-hydrophobic (gt; and the trinity performance of environmental protection (formaldehyde-free) is realized.