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Direct insertion type high-voltage connector
InactiveCN119133913Astrong mutual extrusionImprove sealingTwo-part coupling devicesCouplings bases/casesMechanical engineeringStress sensors
The invention relates to the technical field of direct insertion type connectors, in particular to a direct insertion type high-voltage connector which comprises a male end plug and a female end plug, and a self-locking assembly for fixing the male end plug and the female end plug is installed between the male end plug and the female end plug. The inflation mechanism inflates inert gas into the annular air bags, under the blocking effect of the orientation ring, the two annular air bags expand in the direction close to each other, friction drives the male end plug and the female end plug to be further close to each other, the mutual extrusion force of the two rubber blocks is larger, the sealing effect is better, and the annular air bags expand to be attached to the pressure sensor. The annular air bag expands to be attached and sealed to the outer sides of the male end plug and the female end plug to form second sealing, the possibility that external dust and rainwater enter the connecting position is further reduced, connection is more stable, the connector is more suitable for high-voltage operation, and the service life of the male end plug and the female end plug can also be prolonged.
Owner:HEFEI KAINATE PHOTOELECTRIC TECH CO LTD
Thermal insulation gel structure
ActiveCN222473598UGuarantee the quality of useThere will be no lossClimate change adaptationSynthetic resin layered productsInsulation layerThermal insulation
The utility model discloses a heat insulation and heat preservation gel structure which comprises a base plate assembly, the top of the base plate assembly is fixedly connected with a medium layer, the top of the medium layer is fixedly connected with a colloid layer, a heat insulation layer is arranged on the right side of the base plate assembly in a penetrating mode, and the front face and the back face of the base plate assembly are fixedly connected with heat preservation layers. A mineral wool layer is arranged in the heat insulation layer and used in cooperation with the heat insulation layer, a polystyrene board layer is fixedly connected to the bottom of the mineral wool layer and used in cooperation with the mineral wool layer, and a polyurethane foaming material layer is fixedly connected to the bottom of the polystyrene board layer. The polyurethane foaming material layer is used in cooperation with the polystyrene board layer. According to the gel structure, the phenomenon that the traditional heat insulation and heat preservation effect is poor is changed, various heat insulation and heat preservation materials are adopted for heat insulation and heat preservation treatment, the phenomenon of heat loss cannot occur in the using process, and the phenomenon that the using quality of gel cannot be guaranteed is avoided.
Owner:GUANGDONG HUOLUN BUILDING MATERIALS TECH DEV CO LTD
Fireproof window frame connecting structure and fireproof window
InactiveCN222162425UImprove fire performanceEasy to disassembleFireproof doorsFrame fasteningStructural engineeringMechanical engineering
Owner:TIANJIN SEED GLASS CO LTD
Explosion-proof intelligent vacuum circuit breaker
ActiveCN222530313Uhigh temperature resistancecapable of burningHigh-tension/heavy-dress switchesAir-break switchesCold airFan blade
The explosion-proof intelligent vacuum circuit breaker comprises an installation box, a box cover is arranged at the front end of the installation box, an observation opening is formed in the upper portion of the front end of the box cover, and a handle is fixedly installed on the right portion of the front end of the box cover. According to the explosion-proof intelligent vacuum circuit breaker provided by the utility model, the installation box is arranged, so that the protection of the main body can be enhanced, and the contact between external factors and the main body can be effectively avoided; by arranging the mounting frame and the heat dissipation assembly, the heat dissipation function of the equipment can be enhanced, during use and when the equipment needs heat dissipation, a rotating column and fan blades are firstly driven by a motor to rotate, wind power is sucked into the fixing frame from air inlet holes under rotation of the fan blades, meanwhile, the wind power is conveyed downwards under rotation of the fan blades, and the heat dissipation effect of the equipment is improved. Under the mutual cooperation of wind power and the semiconductor chilling plate, heat generated by the main body is convenient to process, the semiconductor chilling plate can emit cold air, and under the cooperation of the cold air and the wind power, the heat dissipation effect can be enhanced.
Owner:SICHUAN JIYUE INTERNET OF THINGS TECH CO LTD
High-temperature-resistant anti-aging clamping plate applied to building outer wall
The utility model discloses a high-temperature-resistant anti-aging clamping plate material applied to a building outer wall, and relates to the field of building outer wall decoration, the high-temperature-resistant anti-aging clamping plate material comprises a base layer, a first sealing layer is arranged on the base layer, a structural supporting layer is arranged on the first sealing layer, a second sealing layer is arranged on the structural base layer, and a heat insulation layer is arranged on the second sealing layer. And a reflective decorative layer is arranged on the heat insulating layer. The second sealing layer is fixed to the foundation plate, then the structural supporting layer is fixed to the second sealing layer, then the heat insulation layer is fixed to the second sealing layer, and finally the light-reflecting decoration layer is fixed to the heat insulation layer. The reflective decorative layer diffusely reflects the irradiated light, so that the irradiated light can be diffusely reflected by the reflective decorative layer, the situation that the light is irradiated to the ground and influences passing vehicles and pedestrians is reduced, light pollution is reduced, and the light environment quality of a city is improved.
Owner:SHENZHEN JINGYUANDA CONSTR GRP CO LTD
CuCe / SiO2 composite aerogel catalytic material as well as preparation method and application thereof
InactiveCN119236954Aincrease the areaGood dispersionGas treatmentDispersed particle separationFlue gasPhysical chemistry
The invention provides a CuCe / SiO2 composite aerogel catalytic material as well as a preparation method and application thereof, and belongs to the technical field of flue gas denitration catalytic materials. According to the CuCe / SiO2 composite aerogel catalytic material, SiO2 aerogel is used as a carrier, and a transition metal oxide is loaded on the carrier; the transition metal oxide is an oxide of Cu and an oxide of Ce. The preparation method comprises the following steps: dissolving cerium salt and copper salt in water, then adding SiO2 aerogel, uniformly mixing, and carrying out microwave hydrothermal synthesis reaction on the obtained mixed solution to obtain a precursor material; and roasting the precursor material, so as to obtain the CuCe / SiO2 composite aerogel catalytic material. The CuCe / SiO2 composite aerogel catalytic material provided by the invention has the characteristics of uniform pore size distribution, high specific surface area, large pore volume and strong adsorption capacity, and can efficiently catalyze NO and CO to be converted into N2 and CO2.
Owner:INNER MONGOLIA UNIV OF SCI & TECH
Edge sealing structure of composite door
ActiveCN222333597Unon-flammableCorrosion resistanceFireproof doorsSynthetic resin layered productsInsulation layerFire protection
The utility model relates to a composite door edge sealing structure which comprises an edge sealing strip and a door body, a frosted layer is arranged on the outer side of the door body, the edge sealing strip comprises a metal plate base layer, a reinforcing layer, a glass wool sound insulation layer and a protective layer, the reinforcing layer comprises a glass fiber layer, a damp-proof layer and a fireproof layer, the glass wool sound insulation layer is arranged on one side of the reinforcing layer, and the protective layer is arranged on the other side of the glass wool sound insulation layer. The glass fiber layer has the advantages of non-inflammability, corrosion resistance, high mechanical strength and good heat insulation and sound insulation performance, so that the impact resistance and the deformation resistance of the edge sealing structure can be effectively enhanced, and the edge sealing structure has the advantages of being high in mechanical strength, good in heat insulation and good in sound insulation performance. The glass wool sound insulation layer is made of a soft and porous material, has good sound insulation and fireproof performance, can achieve the heat preservation, sound insulation and fireproof effects, can absorb noise more sufficiently due to the wave design, has a better sound insulation effect when the door body is closed, and improves the use experience of a user.
Owner:HEFEI TONGSHENG DOORS & WINDOWS CO LTD
Surface treatment method of oil-proof, water-proof and flame-retardant wood board
PendingCN119610309ANot easy to functionEasy cross-linking reactionWood impregnation detailsCyclodextrinMontmorillonite
The invention discloses a surface treatment method of an oil-proof, water-proof and flame-retardant wood board, which at least comprises the following steps: I, extracting wood by adopting a resin extraction solvent to obtain oil-proof wood; iI, dipping the oil-proof wood obtained in the step I in a sodium hydroxide solution, washing, and drying I to obtain activated wood; step III, dispersing sodium alginate, montmorillonite and cyclodextrin in water to form an ionic dispersion liquid; and IV, spraying the ionic dispersion liquid obtained in the step III on the surface of the activated wood obtained in the step II, drying in the step II, and putting the activated wood dried in the step II into a solution containing trifluoroethyl methacrylate to obtain the waterproof, oil-proof and flame-retardant wood. The hydrophobicity of the wood board obtained through surface treatment is remarkably improved, and the oil-proof and flame-retardant effects are excellent.
Owner:HUNAN LUSHANG HOUSING IND TECHNOLOGY CO LTD
Sodium-ion battery electrolyte of low-fluorophosphate system and sodium-ion battery
PendingCN121905968AImprove ionic conductivityreduce dissociationSecondary cellsElectrolytesElectrolytic agentElectrical battery
The invention discloses a sodium-ion battery electrolyte of a low-fluoro phosphate system and a sodium-ion battery, the sodium-ion battery electrolyte comprises sodium salt, a solvent and an electrolyte additive, the solvent is a low-fluoro phosphate solvent, the low-fluoro phosphate ester solvent is one or more than two of trimethyl phosphate, triethyl phosphate and / or tripropyl phosphate, wherein the trimethyl phosphate, the triethyl phosphate, the triethyl phosphate and the tripropyl phosphate are 1, 2, 3, 4, 5, 6-hexafluoro respectively. The sodium-ion battery electrolyte of the low-fluorophosphate system and the sodium-ion battery have the characteristics of high conductivity, strong compatibility and good safety.
Owner:SHENZHEN JANAENERGY TECH CO LTD
Flexible foldable lithium ion battery pack and preparation method thereof
PendingCN119495887Asmall footprinteasy to carryFinal product manufactureNon-aqueous electrolyte accumulator electrodesElectrical batteryBattery cell
The invention relates to the technical field of lithium ion batteries, in particular to a flexible foldable lithium ion battery pack and a preparation method thereof.The flexible foldable lithium ion battery pack comprises a flexible substrate and a plurality of soft package single batteries arranged on the two sides of the flexible substrate at intervals; the spacing distance between two adjacent soft package single batteries is greater than the sum of the thickness of a single soft package single battery and the thickness of the flexible substrate, and the plurality of soft package single batteries are connected in series or in parallel; the positive electrode and the negative electrode of the soft package single battery are multi-section electrodes prepared in an intermittent coating mode, and the flexible foldable lithium ion battery pack can be wound in the longitudinal direction and can be folded in the transverse direction. A certain blank area is formed between adjacent coating areas of the multi-section electrode, the bending degree of the soft package battery can be adjusted by adjusting the length of the blank area, and 180-degree folding of a single battery can be achieved at most. The number of the positive and negative plates in the battery is adjustable, and the capacity of the formed flexible foldable lithium ion battery pack is relatively high and adjustable.
Owner:YANGZHOU UNIV +2
High-strength composite insulation board for high-rise building
ActiveCN222522234Uhigh hardnessImprove rigidityClimate change adaptationInsulation improvementArchitectural engineeringStructural engineering
The utility model discloses a high-rise building high-strength composite insulation board which comprises a board body, the board body comprises a fireproof board, aerogel, a composite board, a honeycomb board, reinforcing cloth, reinforcing boards and a base board, the reinforcing boards are bonded to the two sides of the base board, the reinforcing cloth is bonded to the reinforcing boards, the honeycomb board is bonded to the reinforcing cloth, the composite board is bonded to the honeycomb board, and the composite board is bonded to the base board. The aerogel is located between the fireproof plate and the composite plate, and the fireproof plate comprises a fireproof coating, a surface layer, fireproof cloth and a bottom plate. The fireproof plate, the composite plate, the reinforcing cloth and the like are matched to improve the overall strength of the insulation board and are not easy to damage; the fireproof plate and the reinforcing cloth are matched to improve the overall fireproof and flame-retardant capability.
Owner:SHANDONG ZHUTAI ENGINEERING TECHNOLOGY CO LTD
Novel environment-friendly die-casting spraying decoration outer cylinder structure
ActiveCN224285672USimple structureImprove discharge effectBio-packagingFireworksThermodynamicsFireworks
The utility model discloses a novel environment-friendly die-casting spraying decoration outer cylinder structure which is integrally formed in a die-casting mode. The outer barrel comprises an outer barrel body, an ignition cavity and a gunpowder cavity, wherein a sealing layer and a connecting channel are arranged between the ignition cavity and the gunpowder cavity; the volume of the ignition cavity is far smaller than that of the gunpowder cavity, and the ignition cavity is located at the upper position during vertical use; an arc-shaped sealing outer wall protruding upwards is arranged above the sealing layer, an upper ignition cavity of an inverted-cone-shaped structure is arranged in the middle of the sealing outer wall, a lower ignition cavity of a cone-shaped structure is correspondingly arranged below the sealing layer, and cone-shaped heads between the two cavities are communicated. And the lower ignition cavity is downwards in smooth transition with the inner wall of the circular-arc-shaped upwards-convex sealing opening above the gunpowder cavity. In order to solve the problems, the utility model provides a novel environment-friendly die-casting firework spraying outer cylinder structure which is simple in structure, convenient to operate, capable of being integrally formed, produced in batches, good in firework setting-off effect, environment-friendly, free of pollution, free of fire hazards and stable in spraying effect.
Owner:FUJIAN HEXIN MACHINERY CO LTD
A basic ionic liquid catalyst, its preparation method and its application
ActiveCN119613406Breduce dosageImprove conversion rateOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsPtru catalystCarbonate ester
This invention discloses an alkaline ionic liquid catalyst, its preparation method, and its application. The alkaline ionic liquid catalyst has the structural formulas [DBUH]phy, [TBDH]phy, and [DBUH]tbd. The calculated amounts of 1,8-diazabicycloundec-7-ene (DBU), 1,5,7-triazidobicyclo(4,4,0)dec-5-ene (TBD), and phenol (phy) are reacted to obtain the alkaline ionic liquid catalyst. It is used to synergistically catalyze a series of reactions between aliphatic diols and CO2 to synthesize cyclic carbonates with H2SO4, exhibiting high selectivity and wide applicability. Compared with existing cyclic carbonate synthesis processes, the synthesis of cyclic carbonates via alkaline ionic liquid catalysts from aliphatic diols and CO2 is safer, pollution-free, and features good catalyst stability, low dosage, high selectivity, and no byproducts.
Owner:SHENYANG UNIVERSITY OF TECHNOLOGY +1
Composite current collector, preparation method thereof and battery
PendingCN121862758Areduce weightReduce the risk of lithium analysisElectrode carriers/collectorsSecondary cellsSolid state electrolyteElectrical battery
The invention relates to a composite current collector, a preparation method thereof and a battery, the composite current collector comprises a net-shaped substrate and a metal layer, and the metal layer covers one surface of the net-shaped substrate along the thickness direction and the inner walls of meshes of the net-shaped substrate; the net-shaped matrix is composed of nanofibers, and the nanofibers comprise a polymer, a polyoxometallate solid electrolyte and a conductive agent; the net-shaped base body comprises a main body part and an edge part, the edge part is located on at least one side of the main body part in the width direction of the net-shaped base body, and meshes of the edge part are filled with metal materials. Therefore, the mass energy density and the safety performance of the battery can be improved.
Owner:JIANGSU ZENIO NEW ENERGY BATTERY TECH CO LTD
Packaging bag with antibacterial effect
ActiveCN222539418UHas antibacterial propertiesHas an anti-wear effectLiving organism packagingBio-packagingPlastic packagingAnti bacterial
The utility model discloses a packaging bag with an antibacterial effect, which belongs to the technical field of packaging bags and is characterized by comprising a packaging bag main body, the packaging bag main body comprises a main body layer, a wear-resistant layer is arranged in the main body layer, an antibacterial layer is arranged on the inner wall of the wear-resistant layer, a functional layer is arranged on the surface of the main body layer, and the functional layer is arranged on the inner wall of the wear-resistant layer. Reinforcing layers are arranged on the surface of the functional layer and the surface of the wear-resistant layer; the functional layer comprises a stable layer, the stable layer is arranged on the surface of the main body layer, a heat preservation layer is arranged on the surface of the stable layer, and a flame-retardant layer is arranged on the surface of the heat preservation layer. Therefore, the problems that the stored articles are easily infected by bacteria, the health and safety of human bodies are influenced, the conventional packaging bag is easily damaged due to poor toughness, and the usability of the packaging bag is reduced are solved.
Owner:XIAMEN MINGHAN TECH CO LTD
Modified plastic master batch and preparation method thereof
The invention relates to a modified plastic master batch and a preparation method thereof, and belongs to the technical field of plastic master batches. The modified plastic master batch disclosed by the invention is prepared from the following raw materials: carrier resin, sepiolite fibers, modified lignin fibers and modified glass fibers. Melamine is used for modifying the lignin fiber, a formed cross-linked structure improves the thermal stability and mechanical strength of lignin, meanwhile, the nitrogen content of the lignin fiber is greatly increased, and therefore the flame retardant effect of the modified lignin fiber is enhanced; by matching with the sepiolite fiber, a large amount of heat can be absorbed, so that the overall temperature is reduced; in addition, the modified glass fibers are added, so that the modified glass fibers have incombustibility, a formed framework is kept stable at high temperature, and disintegration of the material is prevented. Therefore, the modified lignin fibers, the sepiolite fibers and the modified glass fibers improve the flame retardance of the modified master batch from three dimensions of gas flame retardance, heat absorption and framework stability.
Owner:YANTAI LIANGCAI PLASTIC TECH CO LTD
A method for preparing lithium bisfluorosulfonylimide by one-step catalytic hydrogen fluoride ion liquid
PendingCN122540815Aenhanced nucleophilicitySynchronized and efficient
This invention belongs to the field of lithium-ion battery material preparation technology, and discloses a one-step method for preparing lithium bis(fluorosulfonyl)imide using ionic liquid catalysis and hydrogen fluoride. This method solves the problems of low catalytic efficiency, insufficient product purity, difficult separation, and high environmental impact in existing preparation routes. Using bis(fluorosulfonyl)imide and lithium fluoride as raw materials, anhydrous hydrogen fluoride as the fluorinating agent, and an imidazole-based ionic liquid as the catalyst, under an inert atmosphere, the reaction system is prepared, followed by an integrated fluorination-lithiation reaction and post-treatment purification steps to obtain high-purity lithium bis(fluorosulfonyl)imide. This invention achieves efficient reaction under mild conditions through the synergistic effect of a specific ionic liquid and hydrogen fluoride gas, solving the problems of harsh reaction conditions, low yield, and insufficient purity in existing processes. The product yield is ≥92%, and the purity is ≥99%. The process is simple, safe, and environmentally friendly, suitable for large-scale industrial production, and can be widely used in the preparation of lithium-ion battery electrolytes.
Owner:龙子湖新能源实验室 +1