532results about "Insulating bodies" patented technology

The invention discloses an electric lightning arrester insulation shield capable of being installed without power outage and an installation method, and relates to the technical field of electric protection, the electric lightning arrester insulation shield comprises an insulation cover, an elastic automatic locking mechanism, an installation sheet and a reinforcing plate, the insulation cover is integrally formed, a turnover plate is connected to the lower ends of a left side plate and a right side plate, and the elastic automatic locking mechanism comprises a left locking module and a right locking module; the modules are connected through a pressure piece and a clamping piece through a connecting piece, a lock body part penetrates through a locking hole to achieve locking, during installation, the protective cover is driven by an insulating rod to be horizontally pushed into the top of the lightning arrester, a locking mechanism is extruded and triggered to achieve automatic locking, the protective cover is fixed to an exposed metal piece, and main insulation is not affected. Locking is reliable, the service life is long, operation is convenient, the device can be expanded to multiple fields, and safe operation of equipment is guaranteed.

To provide a fixing structure of an insulating sheet in which the number of components and the number of assembling steps are small and fixing force is hardly reduced by heat, vibration, or the like, and to provide an insulating sheet capable of easily achieving the fixing structure of the insulating sheet, and a manufacturing method capable of easily manufacturing the fixing structure of the insulating sheet.SOLUTION: An insulating sheet according to the present invention is an insulating sheet that is fixed to an object to be protected and insulates and protects the object to be protected, the insulating sheet including a flat plate portion that is made of a resin material and extends in a flat plate shape, and a protruding molded portion that is molded so as to protrude in a protruding shape from the flat plate portion, in which an outer surface of the protruding molded portion includes an enlarged diameter portion that is enlarged in diameter from a base end portion toward a tip end portion of the protruding molded portion.SELECTED DRAWING: Figure 1

The invention provides a gas-insulated compact diode valve converter system, and the system comprises a converter valve which comprises a plurality of diode modules, each diode module comprises a plurality of diode chips and a plurality of radiators, and each diode chip and each radiator are alternately attached to each other, and are used for cooling each diode chip; an insulating layer is arranged between any adjacent diode chip and the radiator and is used for realizing device-level insulation of the converter valve; and an insulating isolation plate is arranged between any two adjacent diode modules, and is used for realizing module-level insulation of the converter valve. The converter valve is accommodated in the insulating gas box, and the insulating gas box is filled with insulating gas and is used for realizing system-level insulation of the converter valve; wherein the insulating gas comprises any one of SF6, dry air, N2 and SF6 mixed gas. Through the current conversion system provided by the invention, the problems of low equipment integration level, low insulation level, poor heat dissipation performance and the like of the current current conversion system are solved.

Disclosed in the present disclosure are a back contact module and a manufacturing method. The module comprises: a cell string; busbar ribbons comprising first busbar ribbons and second busbar ribbons; an insulating layer on the side of the busbar ribbons facing away from cells; a busbar on the side of the insulating layer facing away from the cells; and interconnect ribbons electrically connected to the busbar and electrically connected to one of the first busbar ribbons and the second busbar ribbons.

The invention relates to the technical field of electrical equipment, in particular to a moisture-proof impregnated paper composite insulating sleeve and a preparation method and application thereof. The moisture-proof impregnated paper composite insulating sleeve provided by the invention comprises an impregnated paper capacitor core body and a moisture-proof enhancement layer on the outer surface, the moisture-proof reinforcing material comprises at least one of glass fiber, polyester and polyolefin, and the polyester comprises polyethylene glycol terephthalate; the impregnated paper capacitor core body comprises a central conductive tube, impregnated paper and a capacitor plate; the impregnated paper and the capacitor plates are alternately coated on the outer surface of the central conductive tube from inside to outside, and the impregnated paper or the capacitor plates are arranged on the outermost layer of the impregnated paper capacitor core body. According to the invention, the moisture-proof reinforcing layer is arranged on the outer surface of the impregnated paper capacitor core body, so that moisture in air during storage and trace moisture in transformer oil during operation can be effectively prevented from invading the impregnated paper capacitor core body, the capacitor core body is prevented from being affected with damp, the electrical property is reduced, the mechanical bending strength is enhanced, and the service life of the capacitor sleeve is prolonged.

The invention discloses a high-frequency high-voltage power supply system, and relates to the technical field of high-frequency high-voltage power supplies. An energy conversion assembly in the high-frequency high-voltage power supply system is used for converting input alternating current into high-voltage electric energy; the energy conversion assembly is arranged in the insulating part, and the insulating part is used for electrically isolating the energy conversion assembly; the detection device is arranged in the insulating part and is adjacent to the energy conversion assembly; the detection device is used for detecting parameters of the energy conversion assembly; the control device is connected with the energy conversion assembly and the detection device, and the control device is configured to regulate and control working parameters of the energy conversion assembly based on at least one of the temperature parameter, the current parameter and the voltage parameter. By applying the high-frequency high-voltage power supply system disclosed by the invention, a closed-loop control system for controlling and adjusting based on the detection result can be constructed, the adjusting capability of the high-frequency high-voltage power supply system is improved, the problems caused by partial discharge or local temperature rise are reduced, the stability of the system is improved, and the service life of the system is prolonged.

The utility model belongs to the technical field of plasma rotating electrode powder manufacturing equipment, and relates to a vacuum dynamic sealing structure of a plasma gun for powder manufacturing, which comprises an external powder blocking module and a dynamic sealing module, the external powder blocking module consists of a first powder blocking plate, a powder blocking ring and an insulating powder blocking plate, the first powder blocking plate is fixed at the top of a plasma gun body to form an arc-shaped shielding surface, and the dynamic sealing module is fixed at the top of the plasma gun body. The powder retaining ring coaxially sleeves the positive electrode of the plasma gun body and forms an annular gap type powder blocking structure with the insulating powder retaining plate; the dynamic sealing module is sequentially provided with a dynamic sealing installation metal cylinder, an insulating cylinder and a sealing assembly from outside to inside in the radial direction of the plasma gun body, the insulating cylinder and the dynamic sealing installation metal cylinder form a step-shaped sealing structure, and vacuum sealing and electrical isolation are achieved between the dynamic sealing module and the external powder blocking module through bakelite and an O-shaped sealing ring. The vacuum dynamic sealing structure provided by the utility model has the advantages of powder isolation, reliable sealing, no burning loss short circuit and no need of vacuum grease auxiliary sealing lubrication.

The invention relates to the technical field of high-voltage electrical equipment, and particularly discloses a preparation method of a high-performance polypropylene casing pipe, the method adopts a segmented pouring method to prepare a segmented nonlinear layer structure, from the middle to two ends of a nonlinear layer, the doping concentration gradient of a nonlinear functional filler is controlled to be reduced, and the high-performance polypropylene casing pipe is prepared. And the conductivity difference between the non-linear layer and the polypropylene insulating layer is reduced, so that the phenomenon of electric field concentration at the two ends of the non-linear layer is reduced, and the insulativity and the operation reliability of the bushing are improved.

The invention discloses an insulating boron nitride heat-conducting gasket and application thereof, and belongs to the technical field of heat-conducting materials. The preparation method comprises the following steps: S1, preparing boron nitride powder, a volatile organic solvent and silica gel into a BN dispersion liquid; s2, coating a substrate with the dispersion liquid; s3, drying the wet film to obtain a BN film; s4, the BN film is torn down and cut into BN thin strips; s5, the BN thin strips are flatly laid in the polytetrafluoroethylene grooves to be fixed; s6, addition type silica gel is injected into the groove to be cured, a primary BN sheet is formed, and the primary BN sheet is repeatedly prepared; s7, coating addition type silica gel on the upper surface and the lower surface of each primary BN sheet, stacking the primary BN sheets into a mold, and pressing and curing the primary BN sheets to form a BN block; and S8, cutting the BN block along the direction perpendicular to the arrangement direction of the BN thin strips to obtain the insulating boron nitride heat-conducting gasket. The insulating boron nitride heat-conducting gasket has the excellent properties of high orientation degree, high heat conductivity, controllable structure, stable performance, excellent insulativity, flexibility and the like.

The invention discloses a hardness self-adaptive adjustment high-voltage insulation shielding cover which comprises a composite insulation cover body, the composite insulation cover body sequentially comprises an outer insulation layer, a middle magnetorheological elastomer interlayer and an inner attaching layer from outside to inside, and a miniature electric field sensor is embedded in the surface of the outer insulation layer and used for monitoring the intensity of a surrounding electric field in real time; the flexible electromagnetic coil is embedded in the middle magnetorheological elastomer interlayer; the intelligent induction energy storage module is integrated in a lightweight waterproof box at the top of the composite insulation cover body and comprises a magnetic field controller, a micro super capacitor, an electric field signal processor and a pressure signal converter, and the magnetic field controller is connected with the flexible electromagnetic coil through a wire; through the three-layer structure design of the composite insulation cover body and corresponding material selection, double guarantee of insulation protection and self-adaptive fitting is realized.

The application relates to the technical field of insulating materials, and particularly discloses a mica material composition, a mica tube and a preparation method and application thereof. The mica material composition provided by the application comprises the following components in parts by weight: 75-85 parts of mica powder, 35-55 parts of polyethylene, 45-55 parts of silicon powder and 25-35 parts of organic silica gel; the application also provides a mica tube prepared by using the mica material composition, and a preparation method of the mica tube, which comprises the following steps: extruding the mica material composition at an extrusion temperature of 170-190 DEG C, and then air-cooling at 20-30 DEG C for greater than or equal to 20 min to obtain a mica tube preform; and through drying, the mica tube is obtained. The mica tube is prepared by extruding the mica material composition, the mica tube is seamless, the mica tube has good insulation at room temperature and good high-temperature fire resistance, and can meet the use requirements of an electric shock rod or a waterproof sleeve tube insulating layer.

The utility model discloses an insulating separator plate of electrical equipment, which relates to the field of insulating separator plates, and comprises an insulating plate body, four corners of the upper surface of the insulating plate body are provided with mounting holes, the upper part of the insulating plate body is fixedly provided with a slide rail, the center position of the slide rail is provided with a slide groove, and the slide groove is internally provided with a separator plate structure. The number of the sliding rails is three sets, each set comprises four sliding rails, each set of sliding rails are arranged in a rectangular shape, and the three sets of sliding rails are gradually reduced from outside to inside in sequence. The insulating partition plate of the electrical equipment can be used for installing or adjusting a plurality of partition plate structures, so that the partition plate structures can be conveniently used for insulating and blocking parallel or parallel electrical equipment wire harnesses and instruments after the insulating plate body performs insulating work on a certain plane, and the functionality of the insulating partition plate is improved.

Forcing a line to ground fault in a power cable to prevent an occurrence of a line to line fault is provided. Specifically, a cable device includes a conduit jacket and at least one pair of conductors that is contained within and extends along a length of the conduit jacket. The conductors of the at least one pair of conductors within the conduit jacket form a plurality of internal spaces. The at least one pair of conductors is configured to transmit electrical power from a first device to a second device. The cable device further includes a conductive filler inside the conduit jacket occupying spaces within the conduit jacket other than the plurality of internal spaces.

The application relates to the technical field of building lightning protection, in particular to a lightning protection device for fabricated buildings, which comprises a fabricated building, a support assembly is installed at the top of the fabricated building, a lightning attracting device is installed at the top of the support assembly, a lightning guiding assembly is installed on one side of the lightning attracting device, and the lightning guiding assembly is installed on the outer side of the fabricated building. In the application, the support assembly, the lightning attracting device, the insulating block, the lightning protection grounding needle, the mounting assembly, the mounting plate, the threaded head, the reinforcing assembly, the lightning guiding assembly, the connector, the lightning protection grounding belt and the fixer are arranged, when the lightning protection grounding needle is in the lightning stroke, the lightning protection grounding needle can transfer the lightning to the ground through the connector, the wire, the lightning protection grounding belt and the grounding device. Due to the design of the insulating block and the fixer, no hole needs to be punched when the lightning protection device is installed, therefore, the connection part of the lightning protection device and the fabricated building is not conductive, the lightning cannot affect the fabricated building, and the safety of the fabricated building is improved.

The utility model discloses a multilayer combined insulating plate in the field of insulating plates, which comprises an insulating plate body and a frame for mounting the insulating plate body, and the insulating plate body comprises a lower protective layer, a lower insulating layer, a heat preservation layer, an upper insulating layer and an upper protective layer which are sequentially stacked from bottom to top; the heat preservation layer is connected with the upper insulation layer through a matched upper concave-convex surface, the heat preservation layer is connected with the lower insulation layer through a matched lower concave-convex surface, a plurality of protruding upper protruding blocks are arranged on the face, close to the upper insulation layer, of the upper protection layer, the upper protruding blocks are embedded and fixed into the upper insulation layer, and protruding lower protruding blocks are arranged on the face, close to the lower insulation layer, of the lower protection layer. The lower bump is embedded and fixed in the lower insulating layer; the frame is composed of a plurality of spliced surrounding pieces, a plurality of protruding limiting insertion blocks are arranged on the faces, close to the insulating plate body, of the surrounding pieces, the limiting insertion blocks are inserted into and fixed to the outer side of the upper insulating layer or the lower insulating layer respectively, the stability of the insulating plate is effectively improved, and installation is convenient.

The invention belongs to the technical field of surface modification, and particularly relates to a super-hydrophobic insulating coating with a surface microstructure and a preparation method and application of the super-hydrophobic insulating coating. The defects of poor environmental stability, low regulation and control precision, insulation performance attenuation and the like in the prior art are overcome, the static contact angle of the disclosed super-hydrophobic insulation coating is larger than or equal to 150 degrees, the rolling angle is smaller than or equal to 5 degrees, meanwhile, the insulation strength is larger than or equal to 90% of that of an original substrate (the breakdown field strength is larger than or equal to 20 kV / mm), and collaborative optimization of the super-hydrophobic performance and the insulation performance is achieved; moreover, after the coating is naturally aged outdoors for 3 years, the contact angle change rate is smaller than or equal to 10%, the insulation strength attenuation rate is smaller than or equal to 8%, and the long-term environmental stability of the super-hydrophobic insulating coating is effectively improved. A precise regulation and control mechanism is also established based on a molecular dynamics simulation-based low-droplet adhesion microstructure insulation surface design method, so that the droplet contact time is reduced by more than 60% compared with a flat surface, the instantaneous leakage current is reduced by 40%-60%, and the method not only adapts to a polluted environment with the temperature range of-40 DEG C to 180 DEG C and the salt mist concentration of less than or equal to 0.5 mg / m, but also meets the preparation requirements of power equipment with complex shapes.

The present application provides a solar cell and a preparation method therefor, an electric apparatus, and a power generation apparatus. The solar cell comprises a first electrode, a functional layer, and a second electrode that are sequentially stacked, and a P3 groove formed through the second electrode and the functional layer, wherein the surface of the side of the second electrode away from the functional layer, and the surfaces of the inner wall and the bottom end of the P3 groove are covered with an insulating layer, and the resistance value of the insulating layer ranges from 2,000 Ω to 108 Ω. The insulating layer can reduce the short circuit caused by the contact between burrs formed by laser scribing of the second electrode and the first electrode, thereby improving the photoelectric conversion efficiency of the solar cell.

The application discloses an iron base plate insulation fastener for rail insulation laying, which comprises an iron base plate, the two sides of the iron base plate are respectively provided with an integrally formed upward protruding elastic strip insertion hole block, and are also respectively provided with a bolt hole one. The iron base plate is also provided with an iron base plate insulation sleeve, the iron base plate insulation sleeve covers at least the bottom surface and the surrounding side surface of the iron base plate in a manner of being bonded with the iron base plate, and the bottom surface of the iron base plate insulation sleeve is provided with a bolt hole two corresponding to the position of the bolt hole one (103). The iron base plate insulation sleeve covers the bottom surface and the surrounding side surface of the iron base plate, so that the iron base plate and the sleepers on the ground have a certain amount of water (containing conductive iron filings), and the surface of the iron base plate and the sleepers on the ground cannot form a conductive current through the water, thereby realizing the insulation of the iron base plate and the ground.

A bus bar assembly (16) includes a nonconductive terminal cap (22) that is configured to secure to an electrically conductive terminal via an attachment feature (24). The terminal cap (22) has a slot (54) that is configured to expose a terminal portion (19) of the terminal (14) in an assembled condition. A bus bar (40) has an end (52) that is configured to be received in the slot (54) in the assembled condition in which the end (52) is in electrical contact with the terminal portion (19) of the terminal (14). A nonconductive shroud (26) encloses the bus bar (40). The end (52) extends through shroud (26).

The utility model relates to screw technical field, and disclose a detachable insulating sleeve screw, including screw body, the upper end fixed mounting of screw body has round head, the left and right sides of round head are provided with side respectively, the upper end swing joint of round head has upper insulating sleeve, the outer wall swing joint of round head has the lower insulating sleeve below upper insulating sleeve, the left and right sides of lower insulating sleeve upper end surface all fixed mounting have fixed link. The utility model through the cooperation between screw body, side, upper insulating sleeve, lower insulating sleeve and quick -release assembly, utilize the setting of quick -release assembly, realized the fixed role of upper insulating sleeve and lower insulating sleeve at screw body, adopt to change quick -release assembly and the connecting mode of upper insulating sleeve, simplified the dismounting step of upper insulating sleeve and lower insulating sleeve, make the original unremovable structure become two freely assembled single product combination, reduced the difficulty in the production of product, played the role of reducing cost.

The invention relates to a device (1) for the dielectric insulation of an object (50), in particular a hydrogen fuel cell stack, comprising a metal strip (10) for fixing the object (50), and a plurality of insulating blocks (20) arranged between the metal strip (10) and a surface of the fixed object (50) and attached at selected locations on the metal strip (10). According to the invention, the insulating blocks (20) are arranged on the metal strip (10) such that they ensure dielectric resistance only at critical surface areas of the fixed object (50). The insulating blocks (20) can be attached to the metal strip (10) by snapping or clipping them in, thus enabling easy adaptation to different design requirements and cost-effective production.

This document discloses high-voltage components that utilize thermoplastic vulcanizates to improve performance and are easy to manufacture. One example of a high-voltage component includes a part capable of operating in high-voltage environments and a thermoplastic vulcanizate housing surrounding said part. This document also discloses methods for manufacturing the thermoplastic vulcanizate and the high-voltage component.

This utility model discloses a connector plug and a connector. The connector plug includes a plug body and a cable fixing component. The cable fixing component has an outer sleeve, a retaining ring, and an inlet sleeve arranged coaxially. The outer sleeve is connected to the housing. The retaining ring has a limiting part that abuts against the inner wall of the outer sleeve and a through-sleeve part connected to the limiting part. The limiting part has a limiting groove on its end face facing the terminal. The end face of the through-sleeve part away from the terminal abuts against the inner bottom wall of the outer sleeve. One end of the inlet sleeve is located in the limiting groove. This utility model, through the coaxial arrangement of the outer sleeve, retaining ring, and inlet sleeve, makes the entire cable fixing component structure compact, enabling effective cable fixing within a limited space. By setting the retaining ring as both the through-sleeve part and the limiting part, with a limiting groove at one end of the limiting part and one end of the inlet sleeve located in the limiting groove, it ensures that the cable is firmly fixed inside the connector plug, reducing cable movement inside the connector plug and thus reducing the risk of cable insulation layer retraction due to external force.

The invention relates to the technical field of polyimide composite materials, and particularly discloses a covalently-bonded high-thermal-conductivity insulating polyimide composite material and a preparation method thereof. The preparation method comprises the following steps: 1, preparation and surface functionalization of a hybrid filler; 2, preparation of polyamide acid composite slurry: carrying out in-situ polymerization on the hybrid filler, a diamine monomer and a dianhydride monomer in a polar aprotic solvent; and 3, chemical imidization and molding: adding an end-capping reagent into the polyamide acid composite slurry obtained in the step 2, and then carrying out chemical imidization treatment to obtain the high-thermal-conductivity polyimide composite material. According to the composite material disclosed by the invention, the hybrid filler is added, and the hybrid filler is utilized to influence the form and interface thermal resistance of a three-dimensional heat-conducting network, so that the comprehensive performance of the whole composite material is further influenced; the larger the total mass fraction of the hybrid filler in the composite material is, the larger the heat conductivity coefficient, the tensile strength and the volume resistivity of a sample are.

To provide a grommet structure that is adaptable to multiple specifications.SOLUTION: A grommet structure 1 includes one or more grommets 2. Each grommet 2 includes a hollow tubular portion 10 into which a wire W is inserted, and a hollow main body portion 20 that is extended from the tubular portion 10 and is fitted into a through hole Pa formed in a mounting target P. The main body portion 20 includes a recess 23 that has a groove shape in an outer side surface of the main body portion 20 and receives an edge portion of the through hole Pa, and a projection 26 that stands from an inner side surface of the main body portion 20 corresponding to the groove bottom of the recess 23. The stand height G1 of the projection 26 is equal to or smaller than the groove depth G2 of the recess 23. In a case where two or more grommets 2 are provided, one of adjacent grommets 2 is housed in the hollow of the other grommet 2, the tubular portion 10 of the one grommet 2 overlaps with the tubular portion 10 of the other grommet 2, and further, and the projection 26 of the other grommet 2 is housed in the recess 23 of the one grommet 2.SELECTED DRAWING: Figure 2

The utility model relates to the field of insulation protection, especially a high pressure unit insulation protection device. The high pressure unit insulation protection device includes the insulating sleeve body, and the connecting pipe is installed in the end part insertion of the insulating sleeve body, the connecting pipe circumferential inner wall and is located the end part position all are seted up to have inserted groove, the insulating sleeve body is inserted in the inserted groove inside, still be installed on the connecting pipe and have locking assembly, the locking assembly includes adjusting portion and a plurality of occlusal department components, a plurality of occlusal department annular distribution in the insulating sleeve body outside, still be installed on the connecting pipe and have the positioning piece, the positioning piece can be with adjusting portion jointing. The high pressure unit insulation protection device provided by the utility model inserts the insulating sleeve body into the connecting pipe inside, makes its two inner diameters keep consistent, when the cable is worn, it will be more convenient, and the setting of locking assembly is used for reinforcing between the insulating sleeve body and the connecting pipe, and the dismounting operation is more convenient.

A high-voltage bushing includes an insulation member, an inner conductor that extends through the insulation member, and a fastening flange that is arranged externally on the insulation member. The high-voltage bushing additionally includes a retaining ring that is connected to the fastening flange, and the insulation member includes an outer projection that is arranged on the outer circumference and interlockingly cooperates with an inner projection on the retaining ring to counteract an axial force on the fastened high-voltage bushing.

The utility model relates to the technical field of frequency converter insulation and heat dissipation, and discloses a high-power frequency converter insulation and heat dissipation structure which comprises a bottom plate, foot columns and side columns, the foot columns are fixedly connected to the four corners of the upper surface of the bottom plate, and the side columns are fixedly connected to the middle portions of the two sides of the upper surface of the bottom plate. According to the high-power frequency converter insulation heat dissipation structure, the bottom plate, the foot columns and the side columns are combined to form a frame structure used for bearing the heat dissipation assembly and the frequency converter, meanwhile, the rigidity of the whole structure is enhanced, and the frame structure is made of a steel material, can be directly used for grounding and has heat dissipation, impact resistance and lightning stroke resistance performance; the outer side vacant part of the frame body is filled with the side plates, the top of the frame body is sealed and covered with the top plate, the side plates and the top plate are made of metal materials such as copper with high heat conduction performance and high conductivity, the heat dissipation and signal shielding capacity can be achieved, meanwhile, the interior of each side plate is a hollow outer layer, heat dissipation fins and arc-shaped pieces are installed, the heat dissipation area can be increased, and the heat dissipation efficiency is improved. And the heat dissipation effect is improved.

This invention relates to the field of high-voltage electrical equipment technology, specifically disclosing a high-insulation-performance thermoplastic bushing and a method for preparing it based on a co-extrusion process. The invention wraps an insulating material around the surface of a nonlinear layer to prevent corona discharge. Furthermore, it uses the same thermoplastic material as both the insulating layer (including a first thermoplastic layer and a second thermoplastic layer) and the matrix material of the nonlinear layer, eliminating the obvious interface between them and preventing charge accumulation. This avoids insulation failure, improves the bushing's insulation withstand voltage performance, and enhances operational reliability.