147 results about "Electrical tape" patented technology

A photoelectric composite flexible high-voltage reel cable, including a polyethylene outer sheath (1), a double-face plastic-coated steel belt (2) connected to an inner side of the polyethylene outer sheath (1), an insulating tape (3) connected to an inner side of the double-face plastic-coated steel belt (2), an anti-crack protective sleeve (4) connected to an inner side of the insulating tape (3), and a power cord body (6), a filler rope (7), a reinforcement (9) and an optical fiber body (8) sequentially distributed on an inner side of the anti-crack protective sleeve (4) from top to bottom, where the power cord body (6), the filler rope (7) and the optical fiber body (8) are distributed on a peripheral side of the reinforcement (9). The photoelectric composite flexible high-voltage reel cable further includes a metal radiating column (11), movable balls (13), a rubber air bag (14), and a conveying pipe (15).

The invention provides a flexible electrochemical sensor, a preparation method and application. The flexible electrochemical sensor comprises a flexible substrate, three electrodes, a conductive strip, an external wire and a multi-cavity polypyrrole film, the three electrodes comprise a working electrode, a reference electrode and an auxiliary electrode and are printed on the flexible substrate; the conductive strip is connected with the three electrodes, the conductive strip is packaged through an insulating tape, and only working areas of the three electrodes are exposed; the external wire is pasted on the conductive strip through conductive silver adhesive. The multi-cavity polypyrrole film is modified on the surface of the working electrode. The technical problems that existing equipment is insufficient in portability, cannot meet the requirements of on-site rapid screening and real-time analysis of large-batch samples, and is difficult to realize on-site mobile detection are solved. The invention provides a feasible technical means for portable, mobile and on-site rapid detection of high-harm heavy metal ions such as Hg < 2 + > and Cd < 2 + >, and the method is simple to operate and extremely low in cost.

The application discloses a kind of water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape and preparation method thereof, and relates to the technical field of insulating electrician adhesive tape.The water-resistant and electric breakdown-resistant PVC insulating electrician adhesive tape includes PVC film layer and adhesive layer arranged on one surface thereof;The adhesive layer includes primer layer directly contacting the PVC film layer and pressure-sensitive adhesive layer arranged on the other surface of the primer layer.The PVC film layer includes the following raw material components: 50 parts of PVC resin, 10-15 parts of insulating filler, 15-20 parts of toughening agent, 2-4 parts of heat stabilizer, 0.25-0.75 parts of lubricant and 0.5-1.5 parts of antioxidant by weight fraction;The primer layer includes the following raw material components: 50 parts of acrylate monomer, 6-8 parts of unsaturated acid, 2-3 parts of photoinitiator and 0.5-1 part of antioxidant by weight fraction.

A battery (10) comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) interposed therebetween; a positive electrode lead (16) electrically connected to the electrode body (14); and an exterior can (20) that accommodates the electrode body (14) and the positive electrode lead (16). The positive electrode lead (16) has a small cross-sectional region (55) having a small cross-sectional area outside the electrode body (14). The small cross-sectional region (55) is preferably covered with tape such as insulating tape (51) or heat-insulating tape. According to the present disclosure, it is possible to provide a battery (10) in which appropriate current interruption is easily achieved when abnormal heat generation occurs.

An electrochemical device includes a housing, an electrode assembly, and an insulating tape. The electrode assembly includes a first electrode plate, a second electrode plate and a separator. The insulating tape includes a body portion and a first connecting portion. The electrode assembly includes a first surface and a second surface opposite to each other. The body portion is disposed on the first surface, and is fixedly bonded to the electrode assembly and the housing separately. The first connecting portion is formed together with the body portion in one piece. A first end of the first connecting portion is connected to the body portion, and a second end of the first connecting portion is disposed on the second surface, and is fixedly bonded to the electrode assembly and the housing separately. The first connecting portion is bonded to an edge of the separator.

The utility model relates to a liquid insulated rubber tape brush which comprises a brush handle and two brush strips, the two brush strips are arranged at the bottom of the brush handle at intervals, each brush strip is in a C shape with the two ends folded inwards, the brush strips are elastic rubber strips, and bristles are arranged outside the brush strips. The beneficial effects of the utility model are that the two brush strips infiltrated with the liquid insulating tape are inserted outside the wire joint, the inner walls of the two brush strips are clamped with the wire joint, then the brush handle is moved forward from the starting point of the wire joint, the two sides of the wire joint are coated with the liquid insulating tape, and after the brush handle moves to the terminal point of the wire joint, the brush handle is rotated by 90 degrees. The brush handle is reversely moved from the end point of the wire joint, the liquid insulated rubber tape can be completely brushed outside the wire joint through two times of brushing, time is saved, brushing is uniform, and the insulation and anti-corrosion effects are good.

The application discloses an insulating adhesive, an insulating adhesive tape and a preparation method of the insulating adhesive. The insulating adhesive comprises an insulating adhesive body and insulating particles doped in the insulating adhesive body. The breakdown field strength of the insulating particles is greater than that of the insulating adhesive body. Because the breakdown field strength of the insulating particles is greater than that of the insulating adhesive body, the insulating adhesive body is more likely to be broken down than the insulating particles. When an electrostatic discharge current acts on the insulating adhesive, the electrostatic discharge current will break down the insulating adhesive body with poor insulation performance and is more likely to be broken down, bypass the insulating particles with good insulation performance and are more difficult to be broken down, so that the breakdown path of the electrostatic discharge current is lengthened, the breakdown voltage required for breaking down the insulating adhesive is increased, and thus the insulation performance of the insulating adhesive is improved.

The utility model discloses a multifunctional clamp for battery assembly, and relates to the technical field of battery assembly, the multifunctional clamp comprises a plate body, a clamping mechanism is fixedly mounted on the top surface of the plate body, a plurality of supporting rods are movably inserted into the two sides of the clamping mechanism, a winding mechanism is fixedly mounted at the top end of each supporting rod, and the clamping mechanism comprises a shell; according to the battery assembling device, the clamping mechanism is arranged, a battery on the placing plate can be clamped and fixed through movement of the clamping plate, therefore, the situation that the battery moves in the assembling process can be reduced, and then the battery assembling efficiency is improved; the winding plate can drive the insulated rubber tape to do circular motion around the battery, so that the battery is wound, the labor intensity of workers can be reduced, the supporting rod is connected with the first connecting plate in an inserted mode, the winding mechanism can be disassembled at the needed time, and the follow-up assembling procedure is prevented from being affected.

The waterproof insulating adhesive tape comprises an adhesive tape body, a protective shell and a connecting rod, the protective shell is composed of an upper shell body and a lower shell body, the upper shell body and the lower shell body are the same in structure, the upper shell body is a semicircular hollow shell body, a semicircular through hole is formed in the center of the upper shell body, and after the upper shell body and the lower shell body are attached to each other, the upper shell body and the lower shell body are connected through the connecting rod. The two semicircular through holes can form a circular through hole, the connecting rod is inserted into the inner cylinder of the adhesive tape body and placed in the circular through hole, and the upper shell and the lower shell are detachably connected through magnetic attraction. The adhesive tape body is placed in the protective shell through the connecting rod, the protective shell can prevent external dust or other stains from adhering to the waterproof insulating layer of the adhesive tape, the waterproof insulating layer is prevented from being affected by the dust or other stains, and the side face of the adhesive tape can also be prevented from being adhered with the dust.

This utility model discloses a double-gang DC contactor. The moving contact is connected to the coil drive assembly, and the stationary contact is connected to the terminal block on the housing. Placement slots are provided at both ends of the housing near the contact assembly, and an outer magnet is fixedly placed in each slot. An inner magnet is located in the middle of the housing, and a positioning structure is provided to position the inner magnet. The magnetic field generated by the inner and outer magnets can drive the electric arc generated when the moving and stationary contacts separate to an empty space inside the housing. This utility model can guide the electric arc inside the contactor to an empty space inside, preventing the arc from damaging or interfering with other internal components. Simultaneously, the inner magnet is covered with insulating tape, insulating it from the copper sheet, thus ensuring the product's insulation performance. Furthermore, the four sides of the inner magnet are positioned and fixed, preventing displacement under vibration and affecting normal operation, thus ensuring the product's vibration resistance.

The application provides a preparation process of high-strength elastic electrical insulating adhesive tape, the insulating adhesive tape comprises a base layer and a glue layer, the glue layer comprises the following raw materials in parts by weight: rosin resin 30-60 parts, shellac resin 40-50 parts, polyurethane resin 40-60 parts, butyl rubber 63-85 parts, cis-butadiene rubber 35-40 parts, diaminodiphenyl sulfone 2-4 parts, nano ceramic powder 3-5 parts, carbon black 1-2 parts, flame retardant 2-4 parts and plasticizer 1-2 parts; the preparation method of the insulating adhesive tape is as follows: mixing rosin resin, polyurethane resin and butyl rubber to obtain a first mixture, mixing the first mixture to obtain a first mixing product, mixing shellac resin, cis-butadiene rubber and nano ceramic powder to obtain a second mixture, mixing the second mixture to obtain a second mixing product, finally mixing the first mixing product and the second mixing product to perform re-mixing, and adding diaminodiphenyl sulfone, carbon black, flame retardant and plasticizer at the same time, so that the insulating adhesive tape prepared finally has good toughness, is not easy to break and can bear a larger external force, and the safety performance of the product is improved.

This invention discloses a method for insulating and encapsulating the periphery of a laminated busbar, belonging to the field of busbar encapsulation technology. The method involves fabricating an insulating tape, wrapping and pressing it into an encapsulation groove formed between the edges of the bottom and top insulating plates on the outer periphery of the laminated busbar, and ensuring a sealed bond between the insulating tape and the groove walls. The width of the insulating tape is at least smaller than the width of the encapsulation groove, creating glue-filled gaps between the two sides of the tape and the side walls of the groove. Its advantage lies in that, compared to existing techniques using injection encapsulation which requires more than ten hours of curing within the encapsulation period, this invention can improve encapsulation efficiency by nearly a hundred times while maintaining encapsulation quality.

An insulating tape (100) is impregnated with a liquid resin containing at least one of a bisphenol A-type epoxy compound having a repeating number of zero and a bisphenol F-type epoxy compound having a repeating number of zero. A microcapsule (130) includes an outer shell body and an inclusion material having a property of promoting curing of the liquid resin. A binder layer (120) is composed of a crystalline epoxy resin having a molecular structure in which two phenyl groups are linked by a single bond, a molecular structure in which two phenyl groups are linked by an ether bond, or a molecular structure in which two phenyl groups are linked by a methylene group.

A relay coil assembly includes a coil skeleton, a coil and a first insulation tape. The coil skeleton has an upper flange, a lower flange and a cylindrical portion located between the upper flange and the lower flange. The coil is wound around the cylindrical portion of the coil skeleton. The first insulation tape is wrapped and bonded to the outer peripheral surfaces of the upper flange and the lower flange. The coil skeleton is located in a space surrounded by the first insulation tape. The coil is sealed in an annular enclosed space defined by the first insulation tape and the coil skeleton.

The application relates to the technical field of adhesive tape detection, and discloses a temperature and pressure resistant detection equipment and a detection method for manufacturing insulating adhesive tape. Through the arrangement of a cleaning assembly, after the temperature resistance detection of the insulating adhesive tape is completed, a driving assembly drives the cleaning assembly to move to a detection table quickly, the cleaning assembly pastes a scraper on the detection table, and the scraper is aligned with a heater. Then, the driving assembly drives the scraper to move to the fixed seat direction, and the melted glue on the heater and the fused insulating adhesive tape are scooped up, so that the melted glue is cleaned before solidification, the fused adhesive tape is fixed on the heater, and the cleaning work of the operator after detection is facilitated, so that the detection efficiency of the equipment is improved.

Device and method for electrically insulating an electrical wiring terminal by applying an electrically insulating adhesive tape, comprising : - a holding claw (2) movable between: a folding position; and a winding position; - a folding table comprising a first folding lever; and second folding lever; - a winding drum (19).

The utility model discloses a single battery, a battery pack and electric equipment, and belongs to the technical field of power batteries, the single battery comprises a shell, a cover plate assembly and an insulating tape, the shell is provided with an accommodating cavity; the cover plate assembly covers the accommodating cavity and is connected with the shell; the insulating tape comprises a shell insulating part wrapping the shell and a cover plate insulating part wrapping the side, away from the shell, of the cover plate assembly, the shell insulating part is connected with the cover plate insulating part, and the cover plate insulating part comprises a first insulating part and a second insulating part; the first insulation parts are arranged on the two sides, extending in the length direction, of the cover plate assembly, the second insulation parts are arranged on the two sides, extending in the width direction, of the cover plate assembly, and the first insulation parts and the second insulation parts are partially overlapped. The utility model aims to solve the technical problem that the insulation rubber tape and the top cover patch are not tightly matched and are easy to warp at present.

The invention discloses production equipment before lamination of a perovskite component and a production process thereof. The production equipment before lamination of the perovskite component comprises a conveying device, a first feeding unit, a plurality of pasting devices, a first adhesive film laying device, a second feeding unit, a second adhesive film laying device, a laminating device and a discharging device, the production process before lamination of the perovskite assembly comprises various or all steps of feeding of perovskite glass, pasting of an insulating adhesive tape, pasting of a bus bar, pasting of a conductive adhesive, pasting of a butyl adhesive tape, laying of a first layer of adhesive film, placement of a battery piece, laying of a second layer of adhesive film, lamination action and blanking of the perovskite assembly. According to the invention, high integration, automation and flexibility of production before lamination of the perovskite assembly are realized, the production efficiency and the product quality are improved, the device is suitable for production of various perovskite assemblies, the occupied area of equipment and the production cost are effectively reduced, and the device has relatively high practicability and popularization value.

This utility model belongs to the field of electronic transformer technology, specifically relating to a compact high-frequency electronic transformer with high dielectric strength. It includes a mounting frame with pins mounted near both ends on the bottom surface of the frame. A partition is provided on the upper side of the mounting frame, and a winding frame is fixedly connected to the upper and lower sidewalls of the partition. The winding frame is fixedly connected to the mounting frame and has a hollow structure. A primary coil is mounted inside the winding frame on the upper side of the partition, and a secondary coil is mounted inside the winding frame on the lower side of the partition. An upper magnetic core is mounted on the upper side of the winding frame, and a lower magnetic core is mounted inside the winding frame on the lower side of the mounting frame. A dielectric protection cover is mounted on the outer side of the winding frame between the upper and lower magnetic cores. The bottom and left sidewall of the dielectric protection cover are open. This utility model eliminates the need for insulating tape, can withstand high voltage and arc damage, and significantly reduces the transformer size.

The utility model relates to the technical field of optical cable detection, and discloses an optical cable coupling test device, an optical cable coupling clamp comprises two semicircular chucks, one of the semicircular chucks is wound with a lead, the optical cable coupling clamp clamps an optical cable located in an underground pit, and an electrical adhesive tape is wound on the outer sides of the two semicircular chucks to fix the optical cable coupling clamp and the optical cable; the viscoelastic body adhesive tape is wound on the outer side of the electrical adhesive tape and wraps the two semicircular chucks and the preset parts, located on the two sides of the semicircular chucks, of the optical cable, sealing is performed, and the safety of the optical cable in the position test is maintained; the ground optical cable pile is fixed on the ground and is provided with a wire inlet channel communicated with the ground to ensure that the bottom of the ground optical cable pile is transparent, the two ends of the connecting lead are led out of the ground and jointly penetrate through the wire inlet channel, the two ends of the connecting lead are provided with wire noses, a detector can be directly communicated with the wire noses fixed on the ground optical cable pile, and the optical cable positioning detection efficiency is improved. And the time, the labor cost and the safety risk of exploring pit excavation are reduced.

The utility model discloses a combined self-temperature-limiting ribbon heater, which comprises two buses arranged in parallel, an insulating layer is coated outside a semiconductor heating core tape, a metal wire woven belt-shaped shielding layer is spirally wound outside the insulating layer, and an insulating outer sheath is coated outside the metal wire woven belt-shaped shielding layer; the top, the bottom and the two sides of the inner wall of the insulating layer are all provided with inner shearing grooves in the length direction, and the top, the bottom and the two sides of the inner wall of the insulating outer sheath are all provided with outer shearing grooves in the length direction. According to the utility model, the inner shearing groove and the outer shearing groove are arranged on the insulating layer and the insulating outer sheath, so that blades of scissors can be conveniently inserted, the metal wire woven belt-shaped shielding layer is reserved, the winding of the insulating adhesive tape is not limited by space, the operation is simpler, the winding, sealing and fixing are more facilitated, and the insulating layer and the insulating outer sheath are reserved; the insulating and wear-resisting effects are not influenced, and the use is safer.

The invention relates to the technical field of batteries, and particularly discloses an insulation structure of a tab and a battery cell, in the insulation structure of the tab, a battery cell cover plate comprises a cover plate body and a pole integrated on the cover plate body, the tab is led out from one end of a pole group along a first direction, and one end of the tab connected with the pole group is a tab root part; one end, deviating from the pole group, of the pole lug is a pole lug top which is electrically connected with the pole column. The first insulating tape wraps the two opposite end faces of the root of the tab in the second direction, and the tab and the cover plate body are insulated and isolated through the first insulating tape. By directly welding the tabs and the poles, the arrangement of connecting pieces is omitted, the assembly process is simplified, the cost is reduced, and the space utilization rate is high. The invention also provides a battery cell which comprises the insulation structure of the tab, the safety performance and the assembly yield of the battery cell can be effectively improved by reasonably and optimally designing related process parameters of the insulation structure of the tab, and the energy density of the battery cell is relatively high.

A positive electrode sheet in the secondary battery includes a positive electrode current collector, a positive electrode active material layer, and a positive electrode tab, where the positive electrode active material layer is disposed on at least one surface of the positive electrode current collector. The positive electrode active material layer is provided with a first groove exposing the positive electrode current collector. The positive electrode tab is disposed in the first groove and connected to the positive electrode current collector. An insulating tape is provided on each of a surface of the positive electrode tab and a region, corresponding to the first groove, of a surface of the positive electrode sheet away from the positive electrode tab. A melting point of the insulating tape is 250° C. to 450° C. An electrolyte includes carbonate and carboxylate.

The application discloses a kind of self-adhesive insulating tape automatic encapsulation device and method, including first transmission component, encapsulation component, guide component, tape fixing component, second transmission component and winding column connected on second transmission component, encapsulation component, guide component and tape fixing component are connected with first transmission component, guide component is located below encapsulation component, tape fixing component is located right side of encapsulation component, first transmission component can drive encapsulation component, guide component and tape fixing component synchronous rotation;Second transmission component and winding column connected on second transmission component, second transmission component is connected to first transmission component, first transmission component can drive second transmission component and winding column synchronous rotation;Winding column is below tape fixing component, the self-adhesive insulating tape automatic encapsulation method uses the self-adhesive insulating tape automatic encapsulation device described above.

A secondary battery includes an electrode stack having a separator, the separator including a first separator region, a second separator region, a third separator region, and a fourth separator region, a first negative electrode plate between the first separator region and the second separator region, and a first positive electrode plate between the third separator region and the fourth separator region, an insulating tape on a periphery of the electrode stack, and a case receiving the electrode stack and the insulating tape, wherein one side of the second separator region contacts one side of the third separator region.

The utility model discloses a single battery, a battery pack and electric equipment, and belongs to the technical field of power batteries, the single battery comprises a shell, a pole group, a cover plate assembly and an insulating tape; wherein the shell is provided with an accommodating cavity; the pole group is arranged in the accommodating cavity; the cover plate assembly covers and seals the accommodating cavity; the insulating tape is provided with a first insulating part wrapping the shell and a second insulating part wrapping the cover plate assembly part, and the first insulating part is connected with the second insulating part; the second insulation part comprises a first fitting part and a second fitting part, the first fitting part covers the length direction of the cover plate assembly, the second fitting part covers the width direction of the cover plate assembly, and the second fitting part and the first fitting part are partially overlapped. And the overlapping part of the second attaching part and the first attaching part of the second insulating part only has two layers, and the two layers do not mutually drag, so that the problem that due to the fact that the number of sticking layers is large, and the sticking layers are of an integrated structure, the sticking layers are mutually pulled and are very easy to warp is solved.

The utility model discloses a heat-conducting insulating adhesive tape with a waterproof layer. The heat-conducting insulating adhesive tape comprises an adhesive tape main body, bulges are uniformly distributed on the outer surface of the adhesive tape main body; the fabric further comprises a waterproof layer; the waterproof layer is adhered to the outer surface of the adhesive tape main body and wraps the outsides of the bulges through hot pressing, and an uneven structure is formed on the surface of the adhesive tape main body through the bulges, so that the connecting area of the adhesive tape main body and the waterproof layer can be increased, and the heat dissipation efficiency is improved; according to the utility model, the bulges can increase the effective contact area between the waterproof layer and the adhesive tape main body, so that heat is directly transferred through the bulge parts, the increased thermal resistance caused by poor thermal conductivity of the waterproof layer material is reduced, the reasonable concave-convex design can optimize the heat conduction path, the heat is prevented from being excessively accumulated at the interface, and the service life of the adhesive tape is prolonged. And meanwhile, air gaps are easily generated on the flat surface due to untight attachment, and air retention can be reduced through local tight attachment of the convex structures, so that the overall thermal resistance is reduced.

The utility model discloses a battery monomer and a battery pack, relates to the technical field of battery correlation, and aims to solve the problem that a surface tab is torn due to the fact that an insulating tape deforms and pulls the surface tab. The battery cell provided by the utility model comprises a shell; the cover plate assembly is arranged at the opening of the shell; the electrode assembly is arranged in the shell; the first tab of the electrode assembly is welded with the first adapter or the first pole of the cover plate assembly, and a first welding seam is formed; the first pasting piece is pasted at the first welding seam, the distance between the first pasting piece and the root of the first tab is d1, and d1 is larger than 0 mm. The method is used for preventing the tab from being torn due to overlarge local stress.

The invention belongs to the technical field of electric power safety protection equipment, and particularly relates to an anti-accidental-touch insulating isolation cover and method for a secondary terminal of a transformer substation. The isolation cover comprises a cover body, the top is provided with a clamping fixing mechanism, the interior is provided with an elastic buckle mechanism, the bottom end is provided with a limiting mechanism and a contraction adjusting mechanism, and the side face is provided with an insulation groove and provided with an insulation isolation observation window shell. The clamping and fixing mechanism drives the mechanical transmission assembly through the electric telescopic rod, so that the insulating plate seat clamps the terminal row; the elastic buckle mechanism is matched with the traction rod through the hydraulic cylinder, so that the observation window shell is locked by the elastic buckle. Stable installation is achieved through a double-fixing mechanism, and the phenomenon that the isolation cover falls off due to vibration or misoperation is avoided; a full-insulation structure is adopted to cover the exposed part of the terminal, and the test wire plug-in channel and the static elimination assembly which can be opened and closed are combined, so that a mistaken touch path is fundamentally blocked, and the problems that a traditional connecting piece is poor in fixity, an insulation rubber tape is prone to aging and failure, and the dustproof and anti-static functions are lacked are solved.