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61 results about "Electric breakdown" patented technology
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Preparation method of high-performance electric-breakdown-resistant capacitor base film
The invention discloses a preparation method of a high-performance electric-breakdown-resistant capacitor base film, which comprises the following steps: S1, preparing modified polypropylene master batch: mixing polypropylene, a cycloolefin copolymer, a barium titanate-carbon nanotube modified composite filler and an antioxidant, and carrying out melt blending, extrusion and granulation to obtain the modified polypropylene master batch; s2, carrying out melt extrusion on the modified polypropylene master batch, cooling and casting; s3, carrying out two-way stretching and heat setting on the obtained casting piece to obtain a polypropylene film; and S4, performing plasma treatment on the surface of the polypropylene film to obtain the high-performance electric-breakdown-resistant capacitor base film. The high-performance electric-breakdown-resistant capacitor base film prepared by the method has excellent electric breakdown resistance, mechanical strength, flame retardance and heat resistance, has a long-acting flame retardant effect, is excellent in comprehensive performance and has a wide market application prospect.
Owner:扬州博恒新能源材料科技有限公司
Water and electric shock resistant PVC insulating electrical tape and its preparation method
ActiveCN120924175BNon-macromolecular adhesive additivesFilm/foil adhesive primer layersAdhesive cementPolymer science
The application discloses a kind of water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape and preparation method thereof, and relates to the technical field of insulating electrician adhesive tape.The water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape includes PVC film layer and adhesive layer arranged on one surface thereof;The adhesive layer includes primer layer directly contacting the PVC film layer and pressure-sensitive adhesive layer arranged on the other surface of the primer layer.The PVC film layer includes the following raw material components: 50 parts of PVC resin, 10-15 parts of insulating filler, 15-20 parts of toughening agent, 2-4 parts of heat stabilizer, 0.25-0.75 parts of lubricant and 0.5-1.5 parts of antioxidant by weight fraction;The primer layer includes the following raw material components: 50 parts of acrylate monomer, 6-8 parts of unsaturated acid, 2-3 parts of photoinitiator and 0.5-1 part of antioxidant by weight fraction.
Owner:DONGGUAN YIZHOU ADHESIVE PROD CO LTD
10KV indoor emergency access equipment
ActiveCN223843304UBus-bar/wiring layoutsSecuring/insulating coupling contact membersElectric breakdownStructural engineering
Owner:ZHEJIANG SIJI TECH SERVICE CO LTD
Cylindrical battery cell, battery device and electric device
PCT designated stageWO2026081225A1Electrolyte accumulators manufactureElectrical batteryElectric breakdown
The present application belongs to the technical field of batteries. Provided are a cylindrical battery cell, a battery device and an electric device. The cylindrical battery cell comprises a casing, an electrode terminal, an electrode assembly, a sealing member and a first insulating member. The electrode terminal is arranged on a wall portion of the casing. The electrode assembly comprises a main body portion and a first tab, wherein the first tab is arranged at one end of the main body portion in a protruding manner and is electrically connected to the electrode terminal. The sealing member comprises a first sealing portion located between the wall portion and a first limiting portion of the electrode terminal, and the first sealing portion extends beyond the first limiting portion in a direction away from a central axis of the cylindrical battery cell. The first insulating member comprises a first insulating portion arranged between the wall portion and the first tab, wherein the first insulating portion is formed with a through hole, and the first sealing portion is arranged in the through hole and forms a first gap with a hole wall surface of the through hole. A clearance portion is provided on a first surface of the first tab facing the wall portion, and a projection of the wall portion corresponding to an exposed area of the first gap is located in the clearance portion, so as to reduce the risk of electrical breakdown between the first tab and the wall portion.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Preparation method of modified polypropylene capacitor base film resistant to heat, flame and electric breakdown
This invention discloses a method for preparing a heat-resistant, flame-retardant, and electrically breakdown-resistant modified polypropylene capacitor base film, comprising the following steps: S1, preparing composite intercalated organic montmorillonite and microcapsule-type reinforcing particles; S2, preparing modified polypropylene masterbatch: mixing polypropylene masterbatch, composite intercalated organic montmorillonite, microcapsule-type reinforcing particles, initiator, and additives, heating and stirring to obtain modified polypropylene masterbatch; S3, adding polyvinylidene fluoride to the premix, heating and stirring, and melting and extruding the resulting mixture; S4, cooling and casting; S5, biaxial stretching, heat setting, cooling, and corona treatment to obtain a heat-resistant, flame-retardant, and electrically breakdown-resistant modified polypropylene capacitor base film. This invention, by filling and modifying polypropylene with composite intercalated organic montmorillonite and microcapsule-type reinforcing particles, and by compounding with polyvinylidene fluoride, comprehensively improves the heat resistance, flame retardancy, electrical breakdown resistance, and mechanical strength of the polypropylene capacitor base film.
Owner:扬州博恒新能源材料科技有限公司
Cylindrical battery cell, battery apparatus, and electrical apparatus
The present application belongs to the technical field of batteries, and provides a cylindrical battery cell, a battery apparatus, and an electrical apparatus. The cylindrical battery cell comprises a housing, an electrode terminal, an electrode assembly, a sealing member, a first insulating member, and a second insulating member. The electrode terminal is disposed on a wall portion of the housing. The electrode assembly comprises a main body portion and a first tab, the first tab being provided at one end of the main body portion and being electrically connected to the electrode terminal. The sealing member comprises a first sealing portion located between the wall portion and a first limiting portion of the electrode terminal, and the first sealing portion extends beyond the first limiting portion in a direction away from the central axis of the cylindrical battery cell. The first insulating member comprises a first insulating portion provided between the wall portion and the first tab, the first insulating portion is provided with a through hole, and the first sealing portion is located within the through hole and forms a first gap with a hole wall surface of the through hole. The second insulating member is located between the wall portion and the first tab, and the projection of the second insulating member in the thickness direction of the wall portion covers at least part of the first gap, so as to reduce the risk of electrical breakdown between the first tab and the wall portion.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Electric energy metering sensor fixing device for image recognition
The invention relates to an electric energy metering sensor fixing device for image recognition, and belongs to the technical field of electric energy metering. The electric energy metering sensor fixing device for image recognition comprises a mounting base, the top of the mounting base is fixedly connected with uniformly distributed threaded mounting parts, a mounting cavity is formed in the side end of the mounting base, and a safety monitoring mechanism is mounted in the mounting cavity; real-time state sensing and early warning are realized through a detection assembly in the safety monitoring mechanism, and a wireless main control chip cooperates with an image sensor and an inertial measurement unit to perform multi-angle image acquisition and vibration attitude monitoring on a current transformer body and a connection part. And the edge side intelligent analysis can identify the abnormities such as physical damage, electric breakdown traces, installation looseness and the like, timely triggers multi-level alarm, effectively avoids metering failure and troubleshooting lag, and meets the high reliability requirement of an intelligent power grid.
Owner:MARKETING SERVICE CENT OF STATE GRID LIAONING ELECTRIC POWER CO LTD +2
Preparation method of voltage breakdown-resistant anti-corrosion functional filler
The invention discloses a preparation method of a voltage-breakdown-resistant anticorrosive functional filler, and belongs to the field of preparation of coating fillers. The boron nitride nanosheet is subjected to surface amination modification, then zinc molybdate grows in situ, finally, ester compound hydrolytic condensation is utilized for surface treatment, and the composite filler with multiple functions of physical shielding, efficient insulation and active corrosion inhibition is successfully constructed. According to the method, not only can the dispersity and interface bonding force of the filler in the resin be effectively improved and the defects of the coating be reduced, but also the insulation barrier characteristic of boron nitride and the electrochemical anti-corrosion effect of zinc molybdate can be synergistically exerted, so that the long-term corrosion resistance and high-voltage electric breakdown resistance of the coating in a severe environment can be remarkably enhanced.
Owner:ZJU HANGZHOU GLOBAL SCI & TECH INNOVATION CENT
Preparation method and application of electric breakdown-resistant corona-resistant polyimide film
The invention belongs to the technical field of preparation of electric insulating materials, and discloses a preparation method and application of an electric breakdown-resistant corona-resistant polyimide film. According to the invention, an in-situ polymerization method is adopted, and a diamine monomer containing a pyrimidine structure and a dianhydride monomer containing a nitrogen heterocyclic ring structure are respectively introduced into a polyimide molecular chain according to a certain proportion, so that the electric breakdown-resistant corona-resistant polyimide film with excellent insulating property is prepared. The direct-current breakdown field strength of the electric-breakdown-resistant corona-resistant polyimide film at room temperature is 431.33 kV / mm, the alternating-current breakdown field strength at room temperature can reach 308.54 kV / mm, and the corona-resistant service life at high frequency can reach 1305 s. The electric-breakdown-resistant corona-resistant polyimide film provided by the invention has the characteristics of breakdown resistance, corona resistance, good solution processability and the like, the preparation process is simple, the cost is relatively low, and the electric-breakdown-resistant corona-resistant polyimide film can be popularized and implemented.
Owner:DALIAN UNIV OF TECH
An abnormality searching device, method and equipment for a laid mineral insulated cable
ActiveCN116678356BTesting dielectric strengthWeather/light/corrosion resistanceMining engineeringElectric power system
The application discloses a device, method and equipment for checking abnormalities of a laid mineral insulated cable, and belongs to the technical field of power facilities. The device comprises: a laying track acquisition module, which is used to acquire a track line of the laid mineral insulated cable; a position of interest determination module, which is used to determine a position of interest according to the track line; and a flaw detection module, which is used to perform nondestructive flaw detection on the position of interest based on a nondestructive flaw detection means to determine whether the position of interest has an abnormality. According to the technical scheme, the position of the mineral insulated cable where damage defects are prone to occur can be checked for abnormalities through the laying track of the mineral insulated cable, maintenance personnel can be helped to timely repair the abnormal position, the insulation of the mineral insulated cable is prevented from being too low and electric breakdown from occurring, the safe operation of a power system is maintained, the service life is prolonged, and the maintenance cost of the mineral insulated cable is reduced.
Owner:GUANGZHOU PANYU CABLE WORKS
Rapid detection device for mobile distribution transformer
PendingCN121364370ATesting dielectric strengthCleaning using toolsDistribution transformerElectric breakdown
The invention discloses a rapid detection device for a mobile distribution transformer, and relates to the technical field of transformer detection. Comprising an electric breakdown test piece, an oil immersion control piece is installed on the electric breakdown test piece, and the oil immersion control piece is used for controlling the detection oil level; the electric breakdown test piece is provided with two electrifying electrode column pieces; the two energized pole members are used for testing the breakdown-resistant performance of oil of the transformer; the electric breakdown test piece is provided with a cleaning piece; the bottom of the electric breakdown test piece is provided with a cleaning control piece; the electrified electrode column piece can be matched with an oil immersion control piece, the height of the liquid level of oil is controlled, and it is ensured that the liquid level of transformer oil in the oil cup can meet the anti-breakdown detection requirement; the problems that a detachable oil cup of an existing movable distribution transformer is not convenient to limit the depth of a test oil level, and a pole is not convenient to clean automatically after oil is added are solved.
Owner:JIANGSU SUGONG ELECTRIC POWER TECHNOLOGY CO LTD
Insulated cable material and application thereof in medium-voltage armored cable
The invention discloses an insulated cable material composition and application thereof in a medium-voltage armored cable. The composition takes 100 parts of polyethylene as a matrix, and is compounded with a styrene-maleic anhydride copolymer, a nano filler, 4, 4 '-dihydroxybenzophenone bis (methyl) acrylate, a cross-linking agent, an antioxidant and a lubricant. An anhydride group of the styrene-maleic anhydride copolymer reacts with a filler hydroxyl group to form a stable interface layer, so that space charge accumulation is effectively inhibited. A bis (methyl) acrylate group of the voltage stabilizer is synchronously subjected to chain extension-crosslinking in polyethylene to construct a high-strength three-dimensional network. The tensile strength of the obtained insulating material is larger than or equal to 28 MPa, the elongation at break is larger than or equal to 400%, the breakdown voltage is larger than or equal to 33 kV, the electric breakdown strength is larger than or equal to 400 kV / mm, the volume resistivity is larger than or equal to 5.2 * 10 < 14 > omega.m, and the insulating material is suitable for a medium-voltage armored cable insulating layer.
Owner:GUANGZHOU PANYU CABLE WORKS
Cylindrical battery monomer, battery device and power utilization device
ActiveCN223712874USmall-sized cells cases/jacketsCell sealing materialsElectrical batteryElectric breakdown
The utility model provides a cylindrical battery monomer, a battery device and a power utilization device, and belongs to the technical field of batteries. A cylindrical battery cell includes a housing, an electrode terminal, an electrode assembly, a seal, a first insulator, and a second insulator. The electrode terminal is provided on a wall portion of the case. The electrode assembly comprises a main body part and a first tab; the first tab is arranged at one end of the main body part and is electrically connected with the electrode terminal; the sealing piece comprises a first sealing part positioned between the wall part and the first limiting part of the electrode terminal; the first sealing part exceeds the first limiting part in the direction deviating from the central axis of the cylindrical battery monomer. The first insulating part comprises a first insulating part arranged between the wall part and the first tab, the first insulating part is provided with a through hole, the first sealing part is located in the through hole, and a first gap is formed between the first sealing part and the hole wall surface of the through hole. The second insulating part is located between the wall part and the first tab, and the projection of the second insulating part in the thickness direction of the wall part covers at least part of the first gap, so that the risk of electric breakdown of the first tab and the wall part is reduced.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Gear experiment device, gear electric breakdown experiment method and gear electric corrosion experiment method
PendingCN121027759AMaterial breakdown voltageTesting dielectric strengthGear wheelControl engineering
The invention discloses a gear experiment device, a gear electric breakdown experiment method and a gear electric corrosion experiment method.The gear experiment device comprises a gear experiment mechanical mechanism which comprises a gear box and a gear assembly, an installation cavity is formed in the gear box, and the gear assembly is detachably installed in the installation cavity; the gear assembly comprises a first rotating shaft, a second rotating shaft and two gear samples, and the two gear samples are mounted on the first rotating shaft and the second rotating shaft respectively; the power mechanism is connected with the first rotating shaft; the load loading mechanism is connected with the second rotating shaft; the voltage loading mechanism is electrically connected with the first rotating shaft and the second rotating shaft; the oil supply mechanism communicates with the mounting cavity; and the data acquisition mechanism is electrically connected with the load loading mechanism and the voltage loading mechanism and is used for acquiring experimental data. The gear experiment device can accurately simulate the actual operation condition of the gear in the generator gearbox integrated system, and can carry out accurate electric breakdown and electric corrosion experiments on the gear sample.
Owner:HUNAN NANFANG AVIATION HIGH ACCURATE DRIVE
Method for evaluating filling state of nanoparticles in distribution cable insulation system
The invention provides a method for evaluating the filling state of nanoparticles in a distribution cable insulation system, and belongs to the field of cable insulation state evaluation. The problems that the evaluation result is single and the insulation state of the distribution cable cannot be comprehensively reflected due to the fact that the prior art is biased to evaluate a certain performance of cable insulation are solved. The method comprises the following steps: adopting a nano composite insulating material as a distribution cable insulation system, and constructing a geometric model of a nano particle filling state in the distribution cable insulation system; the contribution of an external physical field to electric breakdown development is considered, and the total free energy of a distribution cable insulation system is constructed; constructing a kinetic equation of electric breakdown; setting simulation parameters; iteratively solving the kinetic equation to obtain the development condition of the electric breakdown path; respectively solving and counting the energy distribution of each position in the distribution cable insulation system, and finally giving out the evaluation of the filling state of the nanoparticles. The method is applied to insulation evaluation of the nano-composite insulating material.
Owner:SHANXI SHIJI PILOT POWER SCI & TECH CO LTD
Arc-isolating contact arc extinguishing system and circuit breaker with high breaking capacity
PendingCN121922539AElectric switchesProtective switch operating/release mechanismsElectric breakdownStructural engineering
The invention discloses an arc-isolating contact arc-extinguishing system and a high-breaking-capacity circuit breaker, the arc-isolating contact arc-extinguishing system comprises a contact system and an arc-extinguishing system, the contact system comprises a moving contact assembly and a static contact assembly, the arc-extinguishing system comprises an arc-isolating part and an arc-extinguishing chamber, the arc-isolating part is provided with an arc-isolating plate and a first hinge point, and the arc-isolating plate is provided with a second hinge point. The arc isolating part is in transmission connection with the moving contact assembly; when the moving contact assembly is located at the closing position, the flash barrier is located on the outer side of one end of the static contact assembly and located below the moving contact assembly at the same time. When the moving contact assembly moves to an opening position, the moving contact assembly can drive the arc-isolating part to rotate around the first hinge point, so that the arc-isolating plate moves to an opposite area between a moving contact of the moving contact assembly and a static contact of the static contact assembly and completely shields opposite surfaces of the moving contact and the static contact. According to the invention, the electric gap between the moving and static contacts is greatly increased, the electric breakdown phenomenon between the moving and static contacts in the breaking process of the circuit breaker is effectively avoided, and the breaking capacity of the circuit breaker is remarkably improved.
Owner:CHANGZHOU ANKAI ELECTRIC CO LTD
A silicone rubber cold shrink cable joint material and a method of making the same
The present application relates to the technical field of silicone rubber cold shrink cable accessory preparation, in particular to a silicone rubber cold shrink cable intermediate joint material and a preparation method thereof. The present application overcomes the problems of interface electric breakdown, gripping force attenuation, breathing effect and sealing failure caused by thermal expansion and cold shrinkage of the cold shrink cable joint due to physical stacking. By adopting methyl vinyl silicone rubber and ternary ethylene-propylene rubber blending matrix, introducing vinyl MQ silicone resin hard segment and polyether modified silicone oil dynamic sealing component; preparing nano boron nitride, aluminum hydroxide and magnesium oxide composite functional filler through liquid phase impregnation modification process, and realizing rubber densification by high vacuum dynamic mixing; adopting double barrel synchronous double injection molding process, periodic pressure maintaining pulse is applied at the interface to induce in-situ addition reaction; after demolding, simulated cable core rod load secondary vulcanization is performed. The interface peeling strength, breakdown strength and interface pressure maintenance rate are improved, ensuring the long-term sealing and insulation reliability of the joint in extreme environment.
Owner:SUZHOU BOER COLD-HEAT SHRINK MATERIALS CO LTD
Winding outgoing line structure of high-voltage concentrated winding motor
ActiveCN223613122UWindings insulation shape/form/constructionWindings conductor shape/form/constructionElectric machineElectric breakdown
The utility model discloses a winding outgoing line structure of a high-voltage concentrated winding motor, which comprises a winding with an annular structure and a U-shaped side part of the winding; the outgoing line is arranged in the middle of the U-shaped structure; and the insulating layer is sleeved on the peripheries of the winding and the outgoing line. According to the winding outgoing line structure of the high-voltage concentrated winding motor provided by the invention, the outgoing line is arranged in the middle of the side part of the winding, and the peripheries of the outgoing line and the winding are wrapped with the insulating layer, so that compared with the prior art, the arrangement mode of the outgoing line has the advantages that the distance between the outgoing line and the middle part of the winding is increased; therefore, the creepage distance of the root of the insulating layer on the surface of the outgoing line is increased, and the creepage breakdown phenomenon caused by the winding withstand voltage of the high-voltage concentrated winding motor is avoided.
Owner:CSR ZHUZHOU ELECTRIC CO LTD
Light emitting diode structure with electrostatic protection function
The application belongs to the technical field of semiconductor devices, and particularly relates to a light-emitting diode structure with an electrostatic protection function, which comprises an insulating base and a transparent lampshade installed on the end face of the insulating base, the inside of the transparent lampshade is provided with a semiconductor light-emitting assembly, and the light-emitting diode structure further comprises: a conductive ring, the conductive ring is fixedly sleeved on the outer side wall of the transparent lampshade, and the conductive ring is fixedly connected with the top of the insulating base, the outer side wall of the transparent lampshade and the side wall of the insulating base are both coated with a transparent conductive coating, an electrostatic breakdown unit is installed on the bottom of the insulating base, and the conductive ring is installed with a conductive assembly. The application can not only guide weak electrostatic charges away from the outer surface of the light-emitting diode in time, so that the electrostatic charges are gathered, but also can generate air flow by electrostatic breakdown of air, and the air flow can eliminate dust on the surface of the light-emitting diode, so that the electrostatic charges can be prevented from invading the semiconductor light-emitting element and affecting the light-emitting effect, and dust can be automatically removed.
Owner:DONGGUAN EKINGLUX OPTOELECTRONICS TECH
An inner-coated injection molded patch component
This invention relates to the field of surface mount components (SMD) technology, specifically to an internally coated injection molded SMD component. It includes a capacitor and two SMD bases. Multiple connecting tabs are integrally formed on the outer wall of each SMD base. The capacitor is placed between the two SMD bases, with two connecting tabs positioned at the upper and lower electrodes of the capacitor, respectively. Soldering is then performed. A solder joint protective coating is applied to the solder joint. An adhesive layer is applied between the capacitor and the connecting tabs. The adhesive layer includes a low-viscosity layer and a high-viscosity layer. The low-viscosity layer is applied between the capacitor and the connecting tabs, and the high-viscosity layer is applied outside the low-viscosity layer. By adding a double-layer epoxy resin internal coating structure after the capacitor chip and connecting tabs are soldered and before injection molding, and finally using LCP material for rapid injection molding, the problem of traditional SMD components being susceptible to moisture, salt spray, and chemical corrosion, leading to insulation degradation, leakage, and breakdown failure, is solved.
Owner:SHANTOU HONGZHI ENTERPRISES
Lightning protection system for a wind turbine
ActiveCN116195154BDischarge by conduction/dissipationMachines/enginesElectrical conductorTurbine blade
A wind turbine blade includes a lightning protection system at least partially disposed in an inner portion of the blade. The lightning protection system includes a down conductor cable having a root and a tip, the root and tip being insulators with different electrical breakdown voltages. The lightning protection system may include: a down conductor cable portion and support members to hold the cable portion in free space near or on the ridge of the airfoil section of the blade, such that the cable portion is spaced apart from at least one conductive structural member; and / or multiple inner down conductor cables and radiating electrical connectors.
Owner:VESTAS WIND SYSTEMS AS
Automotive ignition device
The application discloses a vehicle ignition device belonging to the field of ignition devices of internal combustion engines, comprising an ignition coil and a spark plug, and a high-voltage output end of the ignition coil is provided with an insulating sleeve, characterized in that: the insulating sleeve is provided with an elastic conductive connecting piece, the conductive connecting piece is filled with inert gas, one end of the conductive connecting piece is clamped with a high-voltage terminal, the other end of the conductive connecting piece can abut against a wiring nut of the spark plug, the spark plug penetrates into the insulating sleeve, the conductive connecting piece is compressed, the compression elastic force of the conductive connecting piece and the compression elastic force of the inert gas jointly act, and the two ends of the conductive connecting piece abut against the high-voltage terminal and the spark plug respectively. In the process of vehicle driving, the conductive connecting piece cannot appear axial movement and radial shaking, the occurrence of electric breakdown is effectively prevented, the conductive connecting piece is filled with inert gas inside, the corona or arc phenomenon of the conductive connecting piece in the process of electric conduction is prevented, and the structural stability and service life of the vehicle ignition device are effectively improved.
Owner:浙江辉波蕾汽车部件有限公司
Dust deposition prevention device for insulator of electric dust remover
ActiveCN224072244UCleaning using gasesElectrostatic separation detailsReduction driveElectric breakdown
The utility model discloses an electrostatic precipitator insulator dust deposition prevention device, which comprises a shell plate, a cover shell, a speed reducer, a rapping shaft, an insulator and a blowing assembly, the blowing assembly comprises a spirally arranged pipe body, a blowing hole which is arranged on the inner side of the pipe body and faces the insulator, and air inlet pipe ends which are bent upwards from the two ends of the pipe body, the connecting sleeve is communicated with the air inlet pipe end in a welded mode and penetrates through the housing, the spinning nut is installed on the connecting sleeve in a screwed mode and located outside the housing, the air supply pipe is located outside the housing and fixedly communicated with the connecting sleeve, and the air inlet pipe is communicated with the air supply pipe in a welded mode. According to the device, the problems of insulator creepage and breakdown caused by incomplete dust removal of a traditional insulator are solved through the design of spiral airflow coverage and cooperation of the double air inlet pipes, and normal operation of an electric dust remover is ensured.
Owner:JIANGSU SHENGYUAN ELECTROSTATIC PRECIPITATOR CO LTD
Industrial machine utilizing electrical breakdown of liquid dielectric body
Liquefied natural gas has brought about energy hegemonism and environmental destruction. This liquefied natural gas is, however, a liquid dielectric which can be liquefied easily by applying pressure at room temperature, expands in volume by more than 250 times when vaporized, and has a relatively high dielectric constant and a relatively low withstand voltage. As a capacitor, this liquid dielectric is regarded; the energy of the liquid dielectric capacitor is consumed inside the capacitor for use in engines, welding, or producing buoyancy gas, or consumed outside the capacitor for use as an on-board capacitor for a vehicle. The liquid dielectric capacitor is considered to be a dielectric breakdown-inducing igniter as an alternative to the conventional spark plug. In order to utilize the principle of this igniter as an energy source for an engine, a welding device or a gas production device for a buoyancy bag used to lift off seabed resources, an electric charge is applied to a liquid dielectric thin layer, then the thickness of the liquid dielectric thin layer is brought close to zero to cause dielectric breakdown, or the thickness of the liquid dielectric thin layer is increased to create a high voltage source for an on-board capacitor for a vehicle. Thus, a world without environmental destruction is achieved.
Owner:M HIKARI & ENERGY LABORATORY CO LTD
Heater, oxygen sensor, engine, and vehicle
PendingCN122120969AOhmic-resistance electrodesMaterial analysis by electric/magnetic meansThermodynamicsOxygen sensor
The application relates to a heater, an oxygen sensor, an engine and a vehicle. The heater comprises a first heating unit and a second heating unit; the first heating unit is adapted to be connected to an external power source; the second heating unit is arranged in parallel with the first heating unit and is adapted to be connected to the external power source; wherein at least one of the first heating unit and the second heating unit comprises a porous structure. The application aims to solve the technical problem that the internal circuit of the heater of the oxygen sensor in the prior art is easy to gather heat, leading to electric breakdown, and even circuit failure.
Owner:BYD CO LTD
A cable head stress cone
The application discloses a cable head stress cone, which belongs to the technical field of cable head protection equipment. The device comprises an insulating adhesive body, a heat-treated ceramic insulating inner sleeve, the insulating inner sleeve comprising two oppositely arranged insulating inner half tubes, the two insulating inner half tubes being sealingly connected through the insulating adhesive body, a heat-insulating interlayer pipe assembly, the heat-insulating interlayer pipe assembly being sleeved on the outer circumferential side of the insulating inner sleeve, the heat-insulating interlayer pipe assembly comprising at least one pair of oppositely arranged heat-insulating half tubes, the two heat-insulating half tubes being sealingly connected through the insulating adhesive body, and a protective sleeve, the protective sleeve being sleeved on the circumferential side of the heat-insulating interlayer pipe assembly. When the insulating inner sleeve is subjected to high temperature, the insulating inner sleeve is heat-treated to be ceramic, so that the electric breakdown is prevented; the heat-insulating interlayer pipe assembly can buffer the internal thermal stress, and the insulating inner sleeve can reduce the temperature gradient difference, so that the possibility of thermal breakdown is reduced; and the multi-pipe sleeve connection forms the cable head stress cone, the diameter of which gradually decreases to provide protection on the external mechanical structure.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID +1
Substrate for separator of electrochemical device, separator including same, and method of forming battery cell separator
A separator substrate for an electrochemical device. The separator substrate has pores that are small and uniform in size, good physical strength and durability, and high dielectric breakdown voltage. Therefore, with the use of the separator substrate, the probability of short circuiting is low.
Owner:LG ENERGY SOLUTION LTD
Semiconductor structure
The present disclosure provides a semiconductor structure. The semiconductor structure includes a substrate, a first doping type epitaxial layer, at least one gate structure, a plurality of second doping type epitaxial layers, a plurality of doped regions, and a plurality of source regions. The first doping type epitaxial layer is disposed on the substrate. The at least one gate structure is disposed on the first doping type epitaxial layer and extends in the first direction. The second doping type epitaxial layer is arranged on two sides of the gate structure and on the first doping type epitaxial layer, wherein the bottom of at least one gate structure is lower than the bottom of the second doping type epitaxial layer. The plurality of doped regions are arranged at intervals in the first direction and cover a plurality of bottom corners at two sides of the gate structure. The plurality of source regions are disposed on both sides of the at least one gate structure and on the second doping type epitaxial layer. The semiconductor structure can at least enclose electrical breakdown of the gate structure at a high voltage.
Owner:NIKO SEMICON +1
UV / heat dual-initiated cationic cured resin, and preparation method and application thereof
PendingCN121495288ANon-macromolecular adhesive additivesEpoxy resin adhesivesPolymer scienceElectric breakdown
The invention provides a UV (ultraviolet) / thermal dual-initiation cation-cured resin, a preparation method of the UV / thermal dual-initiation cation-cured resin and application of the UV / thermal dual-initiation cation-cured resin. Comprising the following components in percentage by weight: 5wt%-30wt% of bisphenol A type epoxy resin, 10wt%-30wt% of a modified product of alicyclic epoxy resin, 30wt%-60wt% of alicyclic epoxy resin, 5wt%-25wt% of a toughening agent, 1wt%-2wt% of a thermal cationic initiator and 2wt%-4wt% of a UV cationic initiator. The UV / heat dual-initiation cation curing resin achieves the complete curing degree under the dual curing mechanism, the curing speed is high, the volume shrinkage rate is small, electronic components with illumination dead angles can also be encapsulated, the curing technological process is reduced, and the production efficiency is improved; and the cured product has the advantages of high glass transition temperature, high electric breakdown strength, good mechanical properties and no volatilization.
Owner:海宁精奕电子有限公司
Substrate for separator of electrochemical device, separator including same, and method of forming battery cell separator
A separator substrate for an electrochemical device. The separator substrate has pores that are small and uniform in size, good physical strength and durability, and high dielectric breakdown voltage. Therefore, with the use of the separator substrate, the probability of short circuiting is low.
Owner:LG ENERGY SOLUTION LTD