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Antifouling self-cleaning line column type porcelain insulator and detection method thereof
The invention discloses an antifouling self-cleaning line column type porcelain insulator and a detection method thereof, and relates to the field of insulators, a connecting bin is provided with a positioning rotating member, two ends of a movable sleeve block are provided with one-way drawing units connected with a piston rod, and a gas storage bin is provided with a rotating exhaust member. By arranging a position adjusting rotating part, a rotating exhaust part and a one-way pulling unit, when wind blows a fan blade plate, a reversing bevel gear can drive a transmission shaft to rotate clockwise so as to enable a reciprocating lead screw to rotate clockwise, and when a transmission gear ring rotates anticlockwise, the reversing bevel gear drives the transmission shaft to rotate clockwise so as to enable the reciprocating lead screw to rotate anticlockwise so as to enable the reciprocating lead screw to rotate anticlockwise. Therefore, when the second pawl rotates, the reciprocating screw rod rotates clockwise all the time, one-way rotation of the reciprocating screw rod can be achieved, then the rotating exhaust part and the one-way pulling unit are matched, the surface of the insulator body can be cleaned through airflow, and the self-cleaning effect is achieved.
Owner:JIANGXI PINGXIANG PORCELAIN ELECTRICAL APPLIANCE FACTORY
Anti-icing self-falling umbrella skirt structure and power transmission line insulator
The invention provides an anti-icing type self-falling umbrella skirt structure and a power transmission line insulator. An umbrella skirt comprises a main umbrella skirt force bearing layer, a plurality of groups of deformation function layers which are circumferentially distributed and installed on the upper end face of the main umbrella skirt force bearing layer, and a hydrophobic layer which coats the top of the deformation function layer. Through interface strengthening design and a multi-scale deicing mechanism, the influence of low temperature and deformation stress on interface bonding strength and durability is reduced, and the effective service life of the insulator is prolonged; and through microcosmic and macroscopic cooperation, the deicing efficiency is improved, and self-falling of the ice layer is achieved.
Owner:LILING PUKOU ELECTRIC PORCELAIN MFG CO LTD
Electric power insulator manufacturing and assembling machine and assembling process
The invention belongs to the technical field of insulator chain production, particularly relates to a power insulator manufacturing and assembling machine and an assembling process, and aims to solve the problems that manual assembling in the prior art is not only low in efficiency but also prone to bumping, the following scheme is provided: the power insulator manufacturing and assembling machine comprises a fixed base which is of a long-strip-shaped structure on the whole; a longitudinal through hole is formed in the middle, close to the feeding end, of the fixed base, a rectangular notch and an installation notch which are communicated with the longitudinal through hole are formed in the middles of the two sides of the longitudinal through hole respectively, a ground rail used for bearing an assembled insulator string is clamped in the installation notch, and a downward pressing mechanism is arranged on the portion, located above the longitudinal through hole, of the upper surface of the fixed base. According to the invention, the clamping mechanism can slide to a place far away from the butt joint pressing station before butt joint, namely during feeding, so that the safety performance is improved, the space of the feeding position is expanded, the collision risk of the insulator disc is reduced, the feeding stage can be replaced by a manipulator, the labor intensity is reduced, and the feeding precision is improved.
Owner:JIANGXI PINGXIANG PORCELAIN ELECTRICAL APPLIANCE FACTORY
Suspension insulator dip-coating device
The invention belongs to the technical field of insulator dip-coating equipment, and discloses a suspension insulator dip-coating device which is characterized in that a workpiece loading and unloading assembly and a trough moving assembly electrically slide on a ground rail, and at least two dip-coating machine head assemblies which are sequentially arranged in the length direction of the ground rail are arranged between a workpiece height measuring assembly and the trough moving assembly; the workpiece loading and unloading assembly is provided with at least two workpiece chucks arranged in the width direction of the ground rail. The dip-coating machine head assembly is provided with at least two electric clamping mechanisms arranged in the width direction of the ground rail. The lower end of each workpiece chuck is connected with a chuck jacking mechanism; a first ranging laser sensor is arranged on one side of each workpiece chuck; the workpiece height measuring assembly is provided with at least two second distance measuring laser sensors arranged in the width direction of the ground rail. According to the insulator dip-coating machine, alternate hanging of a plurality of insulators on different dip-coating machine head assemblies and alternate coating of the different dip-coating machine head assemblies in the trough moving assembly are conveniently achieved, and the production efficiency is improved.
Owner:CHENGDU CHENGYIGE TECH CO LTD
Ceramic RF feedthrough component
ActiveUS12456562B2Screening gaskets/sealsAperture leaage reductionElectrical conductorNonferrous metal
A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.
Owner:INTEGRATED MICROWAVE CORP
Equipment for processing disc-shaped suspension type porcelain insulator
The invention discloses a disc-shaped suspension type porcelain insulator processing device, and relates to the field of disc-shaped suspension type porcelain insulator processing, and the disc-shaped suspension type porcelain insulator processing device comprises a workbench, the top end of the workbench is rotatably connected with a supporting shaft, the outer side of the supporting shaft is fixedly provided with a first rotating disc and a second rotating disc, and the second rotating disc is arranged above the first rotating disc. A first electric push rod is fixed to the edge of the top end of the first rotating disc, a supporting disc is fixed to the top end of the first electric push rod, a fixing groove is formed in the edge of the second rotating disc, pug enters the position between the supporting disc and the upper mold, the pug can be stored in the forming groove, and a rough insulator-shaped pug blank is formed; due to the fact that the electric heating wires are arranged in the upper mold and the supporting disc, an insulator-shaped mud blank can be heated through a sealed environment, on one hand, the mud blank can be preliminarily dried through drying, an insulator can be shaped, and on the other hand, adhesion between the outer side of the mud blank and the upper mold and between the outer side of the mud blank and the supporting disc can be avoided through heating, so that mud blank demolding is easier.
Owner:江西佳鸿电瓷制造有限公司
Windproof and anti-icing convenient insulation device capable of live working
The utility model relates to a windproof and anti-icing convenient insulating device capable of live working, which comprises a lower-end metal accessory, an insulating body is arranged on the upper part of the lower-end metal accessory, and an upper-end fitting is arranged on the upper part of the insulating body; the upper part of the upper-end fitting is connected with a gland through a rotating shaft; the buckling part of the upper end fitting and the gland is provided with an arc-shaped groove for installing a high-voltage wire, and the arc-shaped groove is a silicone rubber cushion layer. An operation screw rod penetrating through the gland is mounted at the end, far away from the silicone rubber cushion layer, of the upper-end fitting; and a compression spring is sleeved on the operation screw rod between the upper end fitting and the gland. According to the insulator, the diameter of the upper umbrella cover is increased, so that the influence of dust, foreign matters or icing in severe weather on the insulator is avoided; lines can be maintained by live-line operation, and safe operation and maintenance of the lines are facilitated; the wire fixing structure can effectively avoid the problems of wire loosening and wire insulating layer abrasion caused by strong wind.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
An isolated mineral insulated fire-resistant cable
ActiveCN120496937BClimate change adaptationPower cables with screens/conductive layersEpoxyPower cable
The present invention discloses an isolated mineral insulated fire-resistant cable, which relates to the technical field of power cables and includes a cable body, wherein an anti-wear component is provided on the outer surface of the cable body. When the present invention is used, the first anti-wear plate and the second anti-wear plate are pushed to slide to the edge inside the hole, and the arc-shaped strip is pulled to move the blade to cut the capsule membrane on the outer surface of the epoxy resin capsule. The epoxy resin glue flows to the top of the adhesive block through the glue outlet hole, and the arc-shaped partition is completely pulled out. The spring pushes the adhesive block out of the ejection hole and contacts the inner wall of the hole. Wait for the epoxy resin glue to solidify, and achieve a firm bond between the adhesive block and the inner wall of the hole. Under the action of the anti-wear component, a protective cover is formed between the cable body and the edge of the inner wall of the hole, isolating the cable body from direct contact with the edge of the inner wall of the hole, and under the action of the two rubber gaskets, the flexible protection area of the cable body is extended.
Owner:JIANGSU YUANDA CABLE
Power line clamp for fixing wire
PendingCN120511609ASuspension arrangements for electric cablesInsulatorsLine cardStructural engineering
The invention is suitable for the technical field of wire fixation, and provides a power line clamp for wire fixation, the power line clamp comprises a line clamp combination and a fixing assembly, the line clamp combination comprises an upper clamping seat and a lower clamping seat, the upper clamping seat and the lower clamping seat are both provided with a groove, a mounting groove, a connecting groove and a connecting hole, and the power line clamp also comprises a distance adjusting mechanism, a connecting mechanism and a clamping assembly. According to the power line card for fixing the wires, the distance adjusting mechanism is matched with the fixing assembly, so that the wire card combination can fix a single wire, the wire card combination can separate and fix a plurality of wires, the plurality of wires are ensured not to be in contact, the safety and the reliability of a whole circuit system are improved, and the power line card is simple in structure and convenient to use. According to the utility model, the wiring is more tidy and ordered, the subsequent maintenance and inspection are facilitated, the connecting mechanism and the clamping assembly are matched with the fixing assembly, so that the two wire clamp combinations are stably connected, and one or two wire clamp combinations can be fixed on an insulator.
Owner:QINGYUN COUNTY POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
Preparation method of anti-bird cover device with ultra-large umbrella diameter and anti-bird cover device
The invention discloses a preparation method of an anti-bird cover device with an ultra-large umbrella diameter and the anti-bird cover device, and relates to the technology of electrical tools and insulators, the preparation method of the anti-bird cover device with the ultra-large umbrella diameter comprises the steps that a hard insulating material is added into a reaction kettle to be stirred to obtain a castable, and the hard insulating material takes alicyclic epoxy resin as a matrix; and the hardware fitting is installed in a mold, the castable is injected into the mold through pressure, primary curing, demolding and secondary curing are carried out, and the anti-bird cover device with the ultra-large umbrella diameter is obtained. According to the anti-bird cover device with the ultra-large umbrella diameter and the manufacturing process of the anti-bird cover device, the diameter of the manufactured umbrella skirt is designed to reach 600 mm or above, the anti-bird cover device is suitable for special environments such as bird damage, icing and rainfall, and the operation reliability of a power transmission line can be effectively improved.
Owner:BEIJING KERUITE ELECTRIC POWER TECHNOLOGY CO LTD
Quality monitoring system and method for insulation side expansion sleeve production
The invention discloses a quality monitoring system and method for insulation side expansion sleeve production, and relates to the field of pipe quality monitoring. The method comprises the steps that S1, ultrasonic wall thickness, infrared temperature, capacitance signals and process parameters are collected; S2, the signals are normalized to generate enhanced signals, and local gradient anomaly indexes are calculated; s3, a flaring stress index is calculated according to the thickness value deviation and the technological parameters; s4, calculating coupling unevenness based on a local gradient anomaly index; s5, calculating a comprehensive quality factor according to the local gradient anomaly index, the flaring stress index, the coupling unevenness and the process parameter deviation; s6, generating an anomaly identifier based on the comprehensive quality factor dynamic deviation rate and adaptive threshold detection anomaly; s7, mapping the time sequence characteristic corresponding to the abnormal identifier to a space coordinate to output defect distribution information; and S8, according to the defect distribution information, generating process parameter adjustment quantity and feeding back to a control system.
Owner:ZHEJIANG MAIFALONG ELECTRIC POWER TECH CO LTD +1
Mounting system for elevating platform
Mounting plates for elevating platforms, including a mounting apparatus with interior and exterior reinforcement components elongated vertically. The interior reinforcement piece includes an embedded bolt that extends from the interior reinforcement piece, through a wall of the platform, and through the exterior reinforcement component. The interior and exterior reinforcement components have a stepped construction to convert peel stress to shear stress.
Owner:ALTEC INDS
Corrosion-resistant insulated power cable
The invention relates to the technical field of cables, and provides a corrosion-resistant insulated power cable. The corrosion-resistant insulated power cable is sequentially provided with a conductor layer, an insulating layer and a sheath layer from inside to outside, and the insulating layer is prepared from the following raw materials in parts by weight: low-density polyethylene, magnesium hydroxide and calcium carbonate composite powder, an antioxidant, dicumyl peroxide, zinc stearate and polyethylene wax; the sheath layer comprises the following raw materials in parts by weight: PVC resin, magnesium hydroxide and calcium carbonate composite powder, diisononyl phthalate, a calcium-zinc composite stabilizer, an antioxidant, polyethylene wax and calcium stearate. According to the corrosion-resistant insulated power cable prepared in the invention, the corrosion resistance of the power cable in extreme corrosion environments such as strong acid, strong alkali, high-concentration salt mist and the like is improved, and the condition that a common cable sheath is easy to expand and crack in the extreme corrosion environments is improved.
Owner:HEBEI JIN GREATWALL CABLE CO LTD
Automatic insulator cleaning device
The invention provides an automatic insulator cleaning device. The automatic insulator cleaning device comprises a shell, a first driving assembly, a gear ring and a cleaning assembly. The shell is arranged on the insulator in a sleeving mode and connected with the tower pole, a rain baffle is arranged on the top of the shell in a surrounding mode, and a rain collecting space is defined by the rain baffle and the top of the shell. The multiple first driving assemblies are annularly arranged on the shell at intervals. Each first driving assembly is provided with a drainage channel communicating with the rainwater collecting space and a power conversion part used for converting kinetic energy of rainwater in the drainage channel into mechanical energy. And the gear ring is rotationally connected with the shell and is in power connection with each power conversion part. The cleaning assembly is connected with the gear ring, the cleaning assembly is provided with a plurality of cleaning parts annularly wound on the outer sides of the insulators, and the cleaning assembly is used for cleaning the surfaces of the insulators through the cleaning parts. According to the automatic insulator cleaning device provided by the invention, the surface of the insulator can be cleaned in all directions, and residual rainwater and dirt can be effectively removed.
Owner:STATE GRID HEBEI ELECTRIC POWER CO LTD +1
Fettling device and fettling method for insulator production
The invention provides a fettling device and a fettling method for insulator production, and belongs to the technical field of insulator machining, the fettling device for insulator production comprises a workbench and an insulator placed in the workbench, the workbench is internally provided with a clamping assembly used for placing and clamping the insulator, and the clamping assembly is used for clamping the insulator; a fettling assembly used for fettling the insulator is arranged on one side of the clamping assembly, and a supporting assembly is arranged in the workbench; the supporting assembly comprises two sets of supporting frames arranged in the workbench in a sliding mode. By arranging the supporting assembly, it is guaranteed that all the umbrella skirts are supported, angle adjustment is carried out through the pin rollers, the supporting assembly is conveniently inserted into the bottoms of the umbrella skirts and fits the angles and shapes of the bottoms of the umbrella skirts, and the problem that a hard support makes direct contact with the machining surface and is scratched is avoided; the inclination angle of the roller can be adjusted to ensure that the roller can adapt to the inclination angle of the bottom of the umbrella skirt so as to adapt to the supporting requirements of the bottoms of different insulator umbrella skirts.
Owner:SHANDONG PROVINCE GAOYAJUEYUANZI TECH CO LTD
A forming mold for an insulator
The present invention relates to the technical field of insulator production, and discloses a forming mold for an insulator, which includes an upper mold and a lower mold. An upper injection cavity is formed on the bottom surface of the upper mold, and a lower injection cavity is formed on the top surface of the lower mold. The insulator is correspondingly engaged with the lower injection cavity. Exhaust holes are formed at both front and rear ends of the lower injection cavity. A frame-shaped air groove is formed on the top surface of the lower mold. The exhaust holes are connected to the air groove. Annular grooves are formed on both front and rear sides of the lower injection cavity. An annular ring is engaged in the annular groove. A clamping block is provided at the top end of the annular ring. Clamping grooves are formed at the front and rear of the upper injection cavity, and the positions of the clamping grooves correspond to the positions of the clamping blocks. The inner wall of the annular ring is fitted to the cast iron parts before and after the insulator. The present invention is beneficial to avoiding the influence of gas in the mold cavity on the material flow, and at the same time avoiding the difficulty in mold opening caused by the formation of negative pressure during the reciprocating production process, and is beneficial to cooperating with external devices to pick up the insulator.
Owner:DINGZHOU TANGBEI INSULATOR
Composite wire with coating
A composite wire suitable for use as a pacing or biostimulation lead has improved durability when compared to currently available materials. Specifically, a lead includes a superelastic wire including, e.g., nitinol. The wire is coated with polyimide and subsequently wound into a strand, cable, coil, or helically stranded tube. This wound structure is thermomechanically treated to shape-set the wire construct and retain a desired wound and shaped configuration, without adversely affecting the integrity of the polyimide coating.
Owner:FORT WAYNE METALS RES PROD LLC
Communication cable and wire harness
To provide a communication cable and a wire harness by which stabilization of transmission characteristics and improvement in terminal workability can be achieved.SOLUTION: A communication cable 1 is provided with a twisted pair wire TW formed by twisting together two core wires 10, each having a conductor 11 and an insulator 12 around the outer periphery thereof, a sheath 20 that is provided in a solid state on the outside of the twisted pair wire TW and is composed of resin whose main component is identical to resin contained in a material constituting the insulator 12, and a silicone oil layer 30 that is interposed between the twisted pair wire TW and the sheath 20 and is composed of silicone oil having a viscosity of 300 CS or more and 1000 CS or less. The adhesion force between the twisted pair wire TW and the sheath 20 is 5 N or more, and is equal to or less than the value N of the product of the cross-sectional area (mm2) of the insulator and the tensile strength (MPa) of the insulator.SELECTED DRAWING: Figure 1
Owner:YAZAKI CORP
Bearing device with integrated electrical insulation, notably for an electric motor or machine
A bearing device includes a bearing having first and second rings, a bushing and an electrically insulating insert overmolded between and connecting the bushing and a cylindrical surface of the second ring. The bushing is formed from two parts each having a cylindrical portion and a radial collar, and the insert is overmolded onto the cylindrical portions and the collars. Also, a surface of the first cylindrical portion and a surface of the second cylindrical portion together delimit a radially inner surface of the bushing or a radially outer surface of the bushing.
Owner:AB SKF SKF PATENT DEPARTMENT
Umbrella skirt with passive deicing function for lightning arrester and insulator and preparation method of umbrella skirt
PendingCN120190958AOther resistor networksEnvelope/housing resistor manufactureSoft materialsIce formation
The invention discloses an umbrella skirt used for a lightning arrester and an insulator and having a passive deicing function and a preparation method thereof.The umbrella skirt used for the lightning arrester and the insulator and having the passive deicing function comprises solid mixed silicone rubber and silicone rubber wrapping the outer surface of the solid mixed silicone rubber and having the passive deicing function; the silicone rubber with the passive deicing function comprises the following components: a silicone rubber-based material, a soft substance with low shear modulus and an inorganic filler, the adhesive force between the silicone rubber and ice is low (less than 100 kPa), the interface of the silicone rubber and the ice is very easy to separate due to stress concentration, and the passive deicing effect is achieved; the deicing function of the silicone rubber has a volume characteristic, cannot be lost due to damage to the surface of a material, has the service life equal to the service life of the material, and has a wide application prospect in the field of icing prevention and control.
Owner:NANYANG JINNIU ELECTRIC
Fettling device for insulator production
The invention discloses a fettling device for insulator production, and relates to the technical field of casting molding equipment, a fettling base is used as a basis, a center shaft is rotatably connected with the fettling base and a fettling turntable, and a clamping arc plate slidably connected to the turntable is driven by a clamping linkage assembly to realize stable clamping of an insulator blank. The servo motor serves as a power source and is matched with all the transmission assemblies through the driving shaft, the center shaft can be driven to rotate, the fettling rotary disc can rotate, the tool base translation frame can be controlled to slide, and the fettling tool can be driven to work. And clamping and rotating of an insulator blank and actions of a fettling cutter are realized through a single servo motor. The cost and the energy consumption are reduced, the action collaboration degree is improved, and the defective rate is remarkably reduced.
Owner:HUNAN LILING HUANGSHA ELECTRIC PORCELAIN APPLIANCE CO LTD
Insulator fixing wire clamp
Owner:NANJING WEILAN ELECTRONIC TECHNOLOGY CO LTD
Resin composition and coated electric wire
This resin composition contains a polyolefin, a zeolite, an antioxidant, and a metal hydroxide. The resin composition contains 0.1-3.5 parts by mass of the zeolite per 100 parts by mass of the polyolefin. The resin composition contains 1-6.5 parts by mass of the antioxidant per 100 parts by mass of the polyolefin. Additionally, the mass ratio of the zeolite to the antioxidant is 0.08-3.
Owner:YAZAKI CORP
Porcelain insulator in full-sealed connection and assembly
The invention discloses a porcelain insulator and assembly in full-sealed connection, and relates to the technical field of porcelain insulators, the porcelain insulator comprises an insulator main body, the top end of the insulator main body is clamped with a U-shaped clamp, the U-shaped clamp is matched with a clamping plate, and the U-shaped clamp is in threaded connection with a fastening nut for positioning the clamping plate; vertical plates are fixedly connected to the two sides of the top of the U-shaped clamp, a supporting plate with the adjustable angle is arranged between the two vertical plates, and a sealing plate is arranged on the top of the supporting plate in a matched mode. A first threaded rod is rotationally arranged at the bottom end of the supporting plate, a pressing block is rotationally connected to the clamping plate, and a second threaded rod is fixedly connected to the pressing block. According to the porcelain insulator and the assembly in full-sealed connection, the supporting plate, the threaded sleeve, the cross rod and the limiting strip are arranged, the supporting plate is installed in an assembling mode, the inclination angle of the supporting plate is flexibly adjusted, meanwhile, the anti-rotation resistance of the fastening nut and the threaded sleeve is improved, the risk of slight looseness caused by wind vibration is reduced, and the use stability of the porcelain insulator is guaranteed.
Owner:JIANGXI XINRUI NEW MATERIALS CO LTD
Nano-composite silicone rubber insulator with hydrophobic mobility and manufacturing method of nano-composite silicone rubber insulator
The invention provides a nano-composite silicone rubber insulator with hydrophobic migration and a manufacturing method thereof, the nano-composite silicone rubber insulator comprises a core rod and an umbrella skirt sheath, and the umbrella skirt sheath comprises the following raw materials: a silicone rubber matrix, phenyl silicone rubber, linear polydimethylsiloxane, microencapsulated cyclic siloxane and a functional filler. Through a dual-mechanism hydrophobic migration system, a multi-scale filler framework and filler frameworks of different dimensions, a mechanically enhanced continuous path is provided, smoothness of a low-molecular-weight siloxane migration channel under a low-temperature condition is ensured, and through cooperation of anisotropy of the boron nitride nanosheets and microencapsulated cyclic siloxane, the low-molecular-weight siloxane migration channel is improved. The volatilization rate of low-molecular-weight siloxane under a high-temperature condition is reduced, and the hydrophobic migration stability of the insulator under severe environments such as low temperature and high temperature is greatly improved.
Owner:LILING PUKOU ELECTRIC PORCELAIN MFG CO LTD
Wire harness
PendingUS20250182930A1Coupling device connectionsVehicle connectorsElectrical conductorElectric wire
A wire harness includes a plurality of large-diameter wires, at least one multicore wire in which a plurality of small-diameter wires having a smaller outer diameter than the plurality of large-diameter wires are collectively covered with a sheath, and a holder to hold the plurality of large-diameter wires and the at least one multicore wire, wherein the plurality of large-diameter wires and the plurality of small-diameter wires are each formed by covering a conductor with an insulation, wherein the plurality of large-diameter wires and the at least one multicore wire are twisted together to form a twisted body, wherein the twisted body includes a portion in a longitudinal direction housed in the holder, and a portion not housed in the holder at which the plurality of large-diameter wires and the at least one multicore wire are exposed, wherein a length of a portion where the twisted body is housed in the holder is smaller than a length of a portion where the plurality of large-diameter wires and the at least one multicore wire are exposed, and wherein the insulation of each of the plurality of large-diameter wires and the sheath are in contact with each other at the portion housed in the holder.
Owner:PROTERIAL LTD
Trap-type live wire terminal insulation cap and indirect live wire insulation method for jumper wire using same
Proposed is a trap-type live wire terminal insulation cap and an indirect live wire insulation method for a jumper wire using the same configured to easily insert and fix a jumper wire so that a charging part of the jumper wire is wrapped, insulated, and protected, in which the jumper wire is hung on an electric pole while a terminal charging part is exposed by cutting work during new installation, replacement, or repair of an electric wire. Furthermore, a plurality of gripping members forms a trap that is operated only in one direction, thereby being capable of preventing the electric wire from being separated and preventing safety incidents caused by high voltage current. Furthermore, the electric wire is capable of being easily fixed and released by a simple operation using an insulation stick, so that a safe and easy indirect live wire insulation method is realized.
Owner:DAEWON ELECTRIC CO LTD +1
Ultrasonic stress-induced ice layer breaking deicing method, system and device for insulator
PendingCN121372976AAnalysing solids using sonic/ultrasonic/infrasonic wavesInsulatorsMicrocontrollerPropagation time
The invention discloses an ultrasonic stress-induced ice layer breaking deicing method, system and device for an insulator, and the method comprises the steps: sequentially transmitting a first frequency detection signal and a second frequency detection signal through an ultrasonic transmitting unit, collecting a reflection signal, and judging whether ice coating exists or not based on the characteristic difference of amplitude attenuation, propagation time difference and phase offset; if icing exists, deicing ultrasonic waves with initial power are transmitted, a power adaptive adjustment model is constructed by using real-time signals reflected by an icing layer, and the deicing power is dynamically optimized in combination with the characteristic change rate; the double-frequency signals are transmitted again at regular intervals, and after re-check reflection signals are collected and subjected to temperature correction, whether ice coating is completely removed or not is judged through characteristic differences; the system comprises an ultrasonic transmitting / receiving module, an icing judgment module and a power adaptive adjustment module. The device comprises a high-frequency ultrasonic generator, an ultrasonic transducer and a microcontroller. The device realizes integration of ultrasonic detection, deicing and effect verification, and is suitable for various insulator winter icing removal scenes.
Owner:SOUTHWEST UNIV
Slurry composition for dielectric layers, dielectric layer, multilayer body for multilayer ceramic capacitors and method for producing same, and multilayer ceramic capacitor
PCT designated stage expiredWO2025105102A1Fixed capacitor electrodesStacked capacitorsCeramic capacitorPerovskite (structure)
The purpose of the present invention is to provide a slurry composition for dielectric layers, which is capable of imparting excellent wettability to a dielectric layer. The present invention provides a slurry composition for dielectric layers, the slurry composition containing a dielectric material that has a perovskite structure, a water-soluble polymer, a defoaming agent, and water. The defoaming agent content is 0.001 part by mass to 1 part by mass inclusive if the dielectric material content is taken as 100 parts by mass.
Owner:ZEON CORP
Anti-pollution flashover ceramic insulator and preparation method thereof
The invention relates to the field of insulators, in particular to an anti-pollution flashover ceramic insulator and a preparation method thereof. The glaze layer is prepared from the following raw materials in parts by weight: 40-50 parts of potassium feldspar, 10-15 parts of Suzhou clay, 10-15 parts of calcite, 15-20 parts of quartz, 1-5 parts of aluminum oxide, 1-5 parts of magnesium oxide and 5-10 parts of modified halloysite nanotubes; the ceramic insulator is characterized in that a modified halloysite nanotube is loaded with a dialkyl dithiocarbamic acid metal salt-amino triazine copolymer, the glaze layer is the key for long-term use of the ceramic insulator in a severe environment, and the ceramic insulator is endowed with certain antifouling performance and photocatalytic performance, so that the service life of the insulator is prolonged, the service life of the ceramic insulator is prolonged, and the service life of the ceramic insulator is prolonged. The safe and stable operation of the power transmission line is ensured, and the maintenance cost of line operation is reduced.
Owner:HUNAN DONGFANG HUILING ELECTRIC CO LTD