566results about "Insulators" patented technology

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.

An electrical feedthrough is provided, including a base body having at least one opening , through which an electrical conductor is fed and is held in the opening by a fixing material , wherein the fixing material seals the opening and wherein the base body has an elongated form and has a reinforcing structure at least on the edges of the long sides. The reinforcing structure is designed as a raised edge region, which is offset vertically with respect to a base plane of the base body .

The utility model provides an anti-collision column type porcelain insulator, and especially relates to the technical field of column type porcelain insulator protection, the anti-collision column type porcelain insulator comprises a column type porcelain insulator body, after the production of the column type porcelain insulator body is completed, when the column type porcelain insulator body is transported, the column type porcelain insulator body is placed in a placing groove of a first protective cover, and the first protective cover is arranged on the column type porcelain insulator body. Through the arrangement of the placing groove, the column type porcelain insulator body is protected, the porcelain body on the outer surface of the column type porcelain insulator body is prevented from being collided, through the arrangement of the storage hole, the nut can be prevented from being lost in the transportation process, when the first protective cover and the second protective cover are in butt joint, the clamping block on the outer side of the inserting column can penetrate through the inserting through groove, the clamping block is arranged on the inner side of the through groove, and the nut is prevented from being damaged. After butt joint of the first protective cover and the second protective cover is completed, an inserting column is pulled, a spring is compressed through a sliding plate, a clamping block slides out of a through groove, then the inserting column is rotated by 90 degrees, the inserting column is loosened, the spring rebounds, the clamping block is clamped into a fixing groove, and therefore pre-butt joint of the first protective cover and the second protective cover is achieved.

This application discloses an insulated torsion bar spline, comprising a straight section, a recessed section, a tapered section, and a bottom section arranged sequentially from top to bottom. The maximum diameter of the recessed section, tapered section, and bottom section is less than or equal to the diameter of the straight section. The total height of the insulated torsion bar spline is defined as L, the height of the straight section as L1, the height of the recessed section as L2, the height of the tapered section as L3, and the height of the bottom section as L4, satisfying the following conditions: 10%L≤L1≤15%L, 38%L≤L2≤43%L, 45%L≤L3≤49%L, and L4≤1%L. The diameter of the straight section is defined as D, and the maximum depth of the recessed section is 2%~4%D. The insulated torsion bar spline is made of metal, and the straight section, recessed section, tapered section, and bottom section are connected as a single structure. This application's insulated torsion bar spline, through optimization of its shape and dimensions, effectively improves the torque of the insulated torsion bar.

A cantilever insulator sheath with an anti-bird function comprises a sheath body, the top of the sheath body is communicated with a cantilever sleeve, an anti-bird umbrella skirt is arranged between the sheath body and the cantilever sleeve, and the bottom of the sheath body is communicated with an insulator umbrella sleeve connecting pipe. The sheath body, the cantilever sleeve, the anti-bird umbrella skirt and the insulator umbrella sleeve connecting pipe are all made of soft materials, a first through groove is formed in one side of the sheath body, a second through groove is formed in the position, corresponding to the first through groove, of the cantilever sleeve, a third through groove is formed in the position, corresponding to the first through groove, of the anti-bird umbrella skirt, and the third through groove is communicated with the third through groove. A fourth through groove is formed in the position, corresponding to the first through groove, of the insulator umbrella cover connecting pipe, and the first through groove, the second through groove, the third through groove and the fourth through groove can be fixed through a fixing device. According to the utility model, the anti-bird umbrella skirts, the sheath body and the cantilever sleeve are integrally arranged, so that integral installation can be realized, the operation is simple, and the installation efficiency is effectively improved.

The invention discloses a detachable traceless silicone rubber creepage-increasing umbrella skirt and processing equipment and a processing technology thereof, and belongs to the technical field of electric insulation accessory processing, the detachable traceless silicone rubber creepage-increasing umbrella skirt specifically comprises an umbrella skirt body, a mounting hole matched with an insulation plate is formed in the middle of the umbrella skirt body, and an interlocking opening communicated with the mounting hole is formed in the umbrella skirt body in the radial direction of the umbrella skirt body; the interlocking opening can realize autonomous closing and locking, and the closed umbrella skirt body forms a complete closed-loop structure; according to the invention, through the arrangement of the interlocking opening, the umbrella skirt body is directly sleeved into the insulating plate and then the interlocking part is buckled during installation, the umbrella skirt body is separated by hands during disassembly, tools are not needed, adhesive residues are avoided, mechanical damage is avoided, detachable traceless installation is truly realized, the insulating plate body is not damaged, and the later maintenance and replacement efficiency is greatly improved.

The invention discloses an epoxy CCTO gradient coating method for improving the flashover characteristic of an alternating current insulator and a prepared epoxy CCTO gradient non-uniform modified insulator, and belongs to the technical field of high-voltage insulating materials. The method comprises the following steps: stirring epoxy resin, calcium copper titanate, a dispersing agent and a catalyst, adding a curing agent, and performing secondary stirring to prepare slurry; the insulator is non-uniformly divided into four layers in the axial direction, the slurry is sequentially sprayed to the first layer area to the fourth layer area of the insulator, and the insulator is solidified; 5 points are randomly selected for each layer by using a hardness tester, the surface hardness of the coating is measured, the next step is carried out when the hardness value reaches the target hardness, and secondary curing is carried out when the hardness value does not reach the standard; and the epoxy CCTO gradient non-uniform modified insulator is obtained. According to the epoxy CCTO gradient coating method for improving the flashover characteristic of the alternating current insulator, an efficient solution is provided for surface electric field optimization and flashover performance improvement of high-voltage insulation equipment.

The utility model discloses a kind of automatic glaze spraying devices of stick porcelain insulator, including workbench, clamping assembly for being used to clamp insulator is provided on workbench, clamping assembly is driven to run by first drive component, fixed rack is provided at workbench both ends position, fixed rack is provided with spray head, spray head is driven to run by second drive component, storage box is provided on one side of workbench, pump is provided on storage box;Advantages are: effectively solve the traditional manual or simple mechanical glaze spraying mode, not only low efficiency, but also difficult to accurately control glaze layer thickness, leading to unstable product quality, high scrap rate, and equipment cannot be adapted to different size specifications insulator, the problem of poor versatility.

The invention belongs to the technical field of insulator processing equipment, particularly relates to high-temperature vacuum sintering processing equipment and method suitable for tantalum insulator preparation, and aims to solve the problems of nonuniform cooling and low efficiency caused by door collision due to mutual correlation errors in multi-source driving of the equipment and difficulty in breaking a heat boundary layer by fixed blowing. The furnace mainly comprises a furnace body, and a furnace pipe is arranged in the furnace body and fixed through a supporting rod. The pushing structure comprises a pushing plate, a driving rod and a transmission shaft, the driving rod is meshed with a worm gear I and a worm gear II, the worm gear I is connected with a rotating shaft to control opening and closing of the furnace cover, and the worm gear II drives a rotating plate and a pin rod through the transmission shaft to enable the pushing plate to move, so that automatic pushing after sintering is achieved, and high-temperature gas damage is avoided; the atmosphere control structure comprises a vacuum pump and a negative pressure pipe for vacuumizing, and a pipe body and a U-shaped gas pipe for injecting argon to form a low-vacuum inert atmosphere; the cooling structure is composed of a U-shaped pipe, a fixing cylinder and a purging assembly. According to the equipment, the operation safety and the sintering efficiency are improved.

The utility model belongs to the technical field of glass insulator detection, and discloses a glass insulator stress screening device which comprises a supporting base and supporting stand columns installed on the two sides of the supporting base respectively, a driving mechanism is installed on the supporting stand columns, a crawler belt is installed on the driving mechanism, and the crawler belt is driven by the driving mechanism to operate. The output end of the cold air blower is connected with a cold air conveying pipe, the other end of the cold air conveying pipe is close to the lower surface of the crawler belt, the upper end of the supporting stand column is provided with a top end support, the upper side of the top end support is provided with a fan, the lower side of the top end support is provided with a mounting plate, and the mounting plate is provided with a wind scooper. According to the utility model, a dual cooling mechanism is adopted, cold air is blown to the crawler belt up and down at the same time, and the temperature of the crawler belt is reduced doubly, so that the temperature of the crawler belt is rapidly reduced to the temperature at which whether the glass insulator is a qualified product or not can be detected, and the qualified glass insulator is effectively detected.

The invention discloses a voltage-sharing insulator for an environment-friendly gas insulation cabinet, which comprises an insulation layer, a first insert and a second insert, the first insert is arranged at the first end of the insulation layer, the second insert is arranged at the second end of the insulation layer, and the axis of the first insert and the axis of the second insert coincide with the axis of the insulation layer. Each of the first insert and the second insert comprises a spherical end and a connecting end, the spherical ends of the first insert and the second insert are completely embedded into the insulating layer, and the connecting ends extend out of the insulating layer. The composite insulator is excellent in insulation performance, and has transmission, voltage-sharing and shielding functions besides the basic functions of a traditional insulator.

The invention discloses a method and a system for enhancing the interface performance of an optical fiber composite insulator. The method comprises the following steps: firstly, introducing a polar functional group on the surface of an optical fiber through plasma pretreatment and forming micro-etching; then coating a nano SiO2 transition layer on the surface of the optical fiber by adopting a sol-gel method; and finally, implanting the treated optical fiber into a composite core matrix material containing a silane coupling agent, and curing and molding. Through the synergistic effect of physical anchoring and chemical bonding, the interface bonding strength between the optical fiber and the core body is remarkably enhanced, the tensile strength of the composite material is improved from 35.096 MPa to 52.117 MPa, the bending strength of the composite material is improved from 60.124 MPa to 78.946 MPa, meanwhile, the breakdown strength is remarkably improved, the leakage current is remarkably reduced, the interface electric field distribution is effectively improved, and the service life of the composite material is prolonged. And the mechanical performance, the electrical insulation performance and the long-term operation reliability of the optical fiber composite insulator are improved.

The invention relates to a glass insulator with a protection function, and belongs to the technical field of insulators, conditional starting of a cleaning assembly is realized through a wind power triggering assembly, an elastic reset part controls engagement or disengagement of a pawl part and a ratchet wheel under the action of wind power, and when the wind power is small, the elastic reset part cannot generate enough displacement, so that the cleaning assembly is cleaned. The pawl part is separated from the ratchet wheel, and the ratchet wheel idles and the cleaning assembly is kept static, so that the surface abrasion of the insulator body caused by continuous dry friction in small wind is avoided; when wind power is large, the elastic reset part moves to enable the pawl part to be meshed with the ratchet wheel, the ratchet wheel drives the annular rotating part to rotate in one direction, the cleaning assembly is driven to conduct cleaning, and the problem that in the stable strong wind and fixed wind direction environment, the cleaning efficiency is low due to wind power changes in a wind-driven self-cleaning scheme is solved; and the problems of insulator abrasion and mechanical fatigue are also caused.

The utility model discloses a glass insulator and a laser sensor, the glass insulator comprises a glass main body and a pre-fixing assembly arranged between the glass main body and a metal base, the pre-fixing assembly comprises a protruding member arranged on the metal base or the glass main body, and a fixing member arranged on the protruding member, and the limiting surface is arranged on the glass main body or the metal base and is matched with the convex piece. The stability between the glass main body and the metal base is improved before sintering, so that the glass main body and the metal base can be kept relatively static in the sintering process, the gap between the glass main body and the metal base after sintering is reduced, the internal sealing performance of the laser sensor is improved, the service life is prolonged, operation is better performed during sintering, and the service life of the laser sensor is prolonged. And the sintered whole appearance is more attractive, the loss during sintering is reduced, and the yield is improved.

The utility model discloses a cementing machine which is used for cementing a composite insulator, the cementing machine comprises an electric cylinder device, a main body frame, a first heating device, a second heating device, a first supporting device, a second supporting device and a pressure device, and the electric cylinder device is located outside the main body frame and used for providing power for the cementing machine; the first heating device, the first supporting device and the second heating device are movably and sequentially arranged on the main body frame at intervals in the first direction, and the first supporting device is located between the first heating device and the second heating device and used for supporting an insulator; the second supporting device is fixedly connected to the main body frame, located between the first supporting device and the second heating device and used for supporting the conducting rod, and the pressure device is used for applying pressure to the first heating device and the second heating device.

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

The present invention relates to a battery cell charging / discharging device, a battery cell manufactured using the same, and a battery pack and a vehicle including the battery cell. The battery cell charging / discharging device according to an embodiment of the present invention is a device for charging and discharging a battery cell during an activation process of the battery cell, and includes a charging / discharging member that contacts the battery cell to charge and discharge the battery cell, a power supply member that is connected to the charging / discharging member and supplies power to the charging / discharging member, and an insulating member that surrounds the charging / discharging member and whose length changes when the battery cell is charged or discharged.

The invention relates to the technical field of high-voltage direct-current power transmission equipment, and discloses a direct-current composite insulator umbrella cover with a double-gradient structure, a preparation process and a composite insulator, the umbrella cover is of a three-layer composite structure, and the umbrella cover sequentially comprises a high-resistivity inner layer, a high-dielectric middle layer and a micro-conductive outer layer from inside to outside; the volume resistivity of the high-resistivity inner layer is larger than 1 * 10 < 13 > omega.m, and the thickness of the high-resistivity inner layer is 10%-20% of the total thickness of The volume resistivity of the high-dielectric middle layer is 1 * 10 < 10 >-1 * 10 < 12 > omega.m, the relative dielectric constant is 15-25, and the thickness of the high-dielectric middle layer is 60%-80% of the total thickness of the umbrella cover; the volume resistivity of the micro-conductive outer layer is 1 * 10 < 8 >-1 * 10 < 10 > omega.m, the relative dielectric constant is 5-8, and the thickness is 5%-20% of the total thickness of the umbrella cover. The technical problems that an existing epoxy hard composite insulator umbrella cover is uneven in electric field distribution and surface charges are prone to accumulation can be solved, and automatic regulation and control of the electric field in the insulator body and rapid discharge of the surface charges are achieved.

The application relates to a self-adaptive variable-pitch folding wind-driven cleaning device for a post insulator, which comprises a rotating mechanism, a plurality of variable-pitch folding assemblies, a plurality of fan blade assemblies and a brush assembly; the rotating mechanism comprises an inner cover and an outer shell; the variable-pitch folding assembly comprises a folding box, a semicircle ball, a reset spring, a torque box, a torsion bar and a torque spring piece; the folding box is fixed on the outer wall of the outer shell, the folding box is provided with a semicircle ball groove and a spring cavity; the semicircle ball is arranged in the semicircle ball groove; the reset spring is arranged in the spring cavity, the bottom of the reset spring is connected with the folding box, and the top of the reset spring is connected with the semicircle ball; the torque box is fixed on the semicircle ball; the bottom of the torsion bar is arranged in the torque box; the torque spring piece is wound around the bottom of the torsion bar in multiple turns, one end of the torque spring piece is fixedly connected with the torsion bar, and the other end of the torque spring piece is fixedly connected with the torque box. The device can change the angle of the fan blade and realize the folding of the fan blade according to the wind force by arranging the variable-pitch folding assembly, so that the self-adaptive opening and closing cleaning function and the self-protection purpose of the cleaning device are achieved.

The invention relates to a method, in particular a computer-aided method, for monitoring the moisture of a fixed insulation arrangement (I) and / or a liquid and / or gaseous insulating medium of an electrical device (1), in particular a transformer (1) or a choke, which is in contact with a fixed insulation arrangement (I), wherein the method comprises the following steps: S1) a simulation model of the electrical device is provided and / or created; S2) a simulation of the moisture distribution in the electrical device (1), in particular in the fixed insulation arrangement (I) and / or in the insulating medium, is carried out using the simulation model.

Provided is a polymerizable composition comprising: a norbornene-based monomer; rare-earth element-containing particles having a number-based mode diameter of 0.05-1.5 μm (exclusive of 1.5); and a metathesis polymerization catalyst.

A curable polyolefin-additive formulation comprising a polyolefin polymer, a carbon black, a hindered amine light stabilizer that is a triazinyl-functional hindered piperidine, and an antioxidant that is a sulfur-containing hindered bisphenol, and methods of making and using same, and articles containing or made from same. A crosslinked polyolefin-additive product made by curing the curable polyolefin-additive formulation, and methods of making and using same, and articles containing or made from same.

The application discloses a flash connecting method of ceramic insulators, which comprises the following steps: abutting the joint surfaces of the ceramic insulators coated with conductive colloid; abutting the conductive rings against the joint surfaces of the ceramic insulators; applying super high voltage or super high current to the conductive rings to force the conductive colloid to conduct electricity and cause the flash connection of the ceramic insulators; cutting off the power supply; and removing the conductive rings after the ceramic insulators are cooled to room temperature. By abutting the conductive rings against the joint surfaces of the two insulators, the super high voltage or super high current of the super capacitor is used to heat the conductive colloid on the joint surfaces of the insulators, so that the mass transfer effect of the insulators on the two sides is caused, and the instant flash connection is realized. The connecting temperature is significantly reduced, and the connecting time is shortened. The two ceramic insulators can be connected in seconds by using the method, the energy consumption can be reduced by using the super capacitor, and the application can be widely applied to the field of super large size power porcelain.

The invention discloses a high-voltage grading ring, and belongs to the field of grading rings. The device comprises a plurality of grading ring bodies and a plurality of supporting rods, a fixing assembly is arranged between the grading ring bodies and the supporting rods, the fixing assembly comprises two grooves formed in the surfaces of the grading ring bodies and outer protruding rods rotationally arranged in the supporting rods, the outer protruding rods can be inserted into inner sunken grooves through rotation, and the positions of the outer protruding rods are limited through the inner sunken grooves; when the grading ring needs to be used, the supporting rod can be connected to the specific position of the surface of the grading ring body through the fixing assembly, then welding is conducted, the detachable grading ring body and the supporting rod are more convenient to transport compared with a finished product type grading ring, and the grading ring is more convenient to use. A welding mode in use is adopted, so that the welding spot state on the surface of the grading ring is not worried about in the transportation process; and meanwhile, the fixing assemblies can be used for preliminarily positioning the positions of the end parts of the supporting rods in the grading ring body.

The present invention relates to the field of solar cells. Disclosed is a method for preparing a TBC solar cell having an edge wrap-around plating layer. In the present invention, an insulating dielectric film is pre-constructed at the edge of a silicon wafer by means of a special combined process of "direct oxidation-indirect deposition-high-temperature annealing" and "high-temperature densification + boron doping", so that an edge wrap-around plating region is insulated and isolated from a silicon wafer substrate. Therefore, even if the edge of a finished TBC solar cell has a wrap-around plating layer, a wrap-around plating portion will not produce significant electric leakage. Secondly, the insulating dielectric film also has an excellent passivation effect, and can further passivate a side region of the silicon wafer, thereby being conducive to improving the electrical performance of the cell. Finally, compared with a conventional TBC solar cell of which the entire edge is a pyramid textured surface, part of the edge of the silicon wafer of the present invention is a pyramid textured surface and the remaining part of the edge of the silicon wafer is a polished surface. The silicon wafer having a textured edge is more prone to fragmentation under the action of an external force, and the polished surface is more conducive to improving the yield of the solar cell.

This configuration allows for more precise definition of the relative position of the electrical feedthrough to the housing and facilitates the assembly of the electrical feedthrough. [Solution] An electrical feedthrough 1 is provided, comprising a base body 10 having at least one opening 12, through which an electrical conductor 30 is guided and held within the opening via a fixing material 20, the fixing material closing the opening, the base body having an elongated shape and having a reinforcing structure at least on the long edge, the reinforcing structure being formed as a raised edge region 16 offset perpendicularly to the base surface 11 of the base body.

The invention relates to the technical field of winding pipes, in particular to a composite post insulator winding pipe and a preparation method. The composite post insulator winding pipe comprises a winding pipe body. The winding pipe body is of a hollow structure and is formed by winding a continuous basalt fiber material infiltrated in epoxy resin group liquid or polyurethane resin group liquid; the winding pipe body is provided with an inner winding layer, a middle winding layer and an outer winding layer. Wherein the inner winding layer and the outer winding layer are annular spiral winding layers, and the middle winding layer is a longitudinal spiral winding layer; one middle winding layer is correspondingly wound on the periphery of one inner winding layer; the outer winding layer is wound on the periphery of the middle winding layer on the outermost layer. Compared with an existing glass fiber material, the continuous basalt fiber material has higher performance and can effectively avoid the situation of insulation breakdown in a high-voltage operation environment. And through the design of the inner winding layer, the middle winding layer and the outer winding layer, the performance of the winding pipe is further improved.

A system and method to discriminate multipath using differential travel times of location signals in different frequency bands and, more particularly, but not exclusively, to discriminate multipath using two frequencies time of arrival.

Rheology-modified, additive-containing ethylenic polymer compositions are prepared in a continuously operated extruder comprising first, second and third zones by a process comprising the steps of: mixing in the second zone of the extruder an ethylenic polymer and a high-temperature decomposing peroxide at a temperature such that the half-life of the peroxide is equal to or greater than one minute and for a sufficient period of time to modify the rheology of the ethylenic polymer to produce a rheology-modified, melted ethylenic polymer for transfer to the third zone of the extruder; and adding to the third zone one or more additives to the rheology-modified, melted ethylenic polymer to produce the rheology-modified, additive-containing ethylenic polymer.