20 results about "Insulator (electricity)" patented technology

The invention relates to the technical field of disconnecting switch locking, and discloses a mechanical locking device for a disconnecting switch. The plurality of insulators are rotationally connected to the bottom frame, the plurality of insulators are arranged at equal intervals along a first plane and are oppositely distributed two by two along a second plane perpendicular to the first plane, and the top ends of the insulators are fixedly connected with electric connection rods; the supporting end is fixedly connected to the bottom frame and located between the two insulators which are oppositely distributed, a supporting seat is fixedly connected to the top face of the supporting end, a groove is formed in one side of the supporting seat, and the two electricity connecting rods are connected into the groove in a sliding mode; the conductive seat is fixedly connected to the middle of the interior of the groove, the two opposite sides of the conductive seat are connected with power connection terminals in a sliding mode, a transmission assembly is arranged in the supporting seat, the transmission end of the transmission assembly is connected with the power connection terminals, and the end, extending into the groove, of the power connection rod is connected with the transmission assembly so that the power connection terminals can abut against the power connection rod. The isolating switch can be effectively and stably supported, and the situation that the isolating switch cannot be effectively powered on due to deformation is reduced.

To provide a power storage device capable of increasing energy density.SOLUTION: The power storage device includes a power storage part including a positive electrode including a positive electrode active material layer, a negative electrode including a negative electrode active material layer, and an electrolyte layer provided between the positive electrode and the negative electrode, and an exterior material covering the power storage part. The exterior material includes a positive electrode current collector electrically connected to the positive electrode active material layer and exposed to an outer surface of the exterior material, a negative electrode current collector electrically connected to the negative electrode active material layer and exposed to the outer surface of the exterior material, and an insulator electrically insulating the positive electrode current collector and the negative electrode current collector.SELECTED DRAWING: Figure 1

The application discloses a gas and electricity integrated plug-in device for a torch, in the first plug-in part, the lower gas pipeline is arranged in the center of the base core, the female electric contact in the lower insulator is located outside the lower gas pipeline, in the second plug-in part, the upper gas pipeline is fixed in the center of the torch shell, the male electric contact is assembled in the upper insulator located outside the upper gas pipeline. When the first plug-in part and the second plug-in part are plugged in, the base locks the torch shell, the upper gas pipeline and the lower gas pipeline are communicated, and the male electric contact and the female electric contact are connected. The application forms a gas path located in the center of the device and an electric circuit located in the periphery of the gas path, has the advantages of high integration, miniaturization, quick plug-in, high safety and the like, and has a wide application prospect in the field of plug-in devices.

The present invention relates to an overhead distribution line-fixing apparatus allowing wire branching, the apparatus comprising: a metal arm (10); jumper wire-fixing insulators (20); a branch sleeve (30); and a protective cap (40). As such, diverting electricity to overhead transformers or underground is facilitated, and replacing jumper wire-fixing insulators (20) is convenient and the maintenance cost of same is reduced.

The utility model discloses a soft lead protection device for a permanent magnet brake, which comprises an insert, an insert support, a lead support and an insulator, one end of the lead support is mounted on a magnet yoke of the permanent magnet brake, a soft lead is mounted on the lead support, and the insert support is close to the lead support. One end of the insertion piece is installed on the insertion piece support and electrically connected with the other end of the flexible wire, the insertion piece support, the wire support, the part, located outside the magnet yoke, of the flexible wire and the part, close to the insertion piece support, of the insertion piece are all integrally wrapped by the insulator, and the other end of the insertion piece is arranged outside the insulator and used for being connected with a power source. According to the utility model, the lead support and the insertion sheet support are used for positioning the flexible lead and the insertion sheet respectively, and the insulator is used for integrally wrapping and fixing the lead support, the insertion sheet support, the flexible lead and the insertion sheet, so that the flexible lead is effectively fixed and protected, and the problems of winding, knotting, breaking and the like of the flexible lead and the interference of the flexible lead on the rotation of the rotor assembly are avoided; and the stability and the reliability are enhanced.

The utility model belongs to high -voltage line technical field especially relates to a kind of high-voltage line and insulator fixed buckle of live-line installation, comprising: fixed buckle body, installation cavity is established in the inside of fixed buckle body, the side of fixed buckle body is equipped with slot, the side wall of fixed buckle body away from slot is equipped with a first extension and two second extensions, the first extension is arranged in the central position of fixed buckle body, two the second extensions are symmetrically distributed in the two sides of first extension, the sleeve of first extension and second extension upper end is all fixedly connected with sleeve, rotating shaft is fixedly installed in the sleeve;Clamping mechanism is used to be fixedly installed in the slot to high-voltage line.The utility model cooperates using by clamping mechanism, lower installation mechanism and upper installation mechanism, can realize the live-line installation to high-voltage line and insulator, need not to be shut down to power system, avoid the loss caused by power failure, improve installation efficiency.

The invention belongs to the technical field of intelligent power grids, and particularly discloses a high-voltage power distribution cabinet grounding switch device which comprises a partition plate and a support which are arranged in a high-voltage power distribution cabinet, the high-voltage power distribution cabinet comprises a cabinet body and a cabinet door rotationally connected with the cabinet body, the support is located below the partition plate, and an insulator is fixedly installed at the top of the support. A static contact is fixedly mounted at the top of the insulator, a movable contact is arranged at the bottom of the static contact, and a control rod penetrates through the lower part of the movable contact; one end of the control rod is provided with a fixing assembly, the fixing assembly is used for assisting a maintainer to open and close the grounding switch, and the fixing assembly is connected with the cabinet body and the cabinet door; an electricity testing assembly is arranged in the cabinet body in a sliding mode, is used for assisting a maintainer in electricity testing, and is in threaded connection with the cabinet door. Through the arrangement of the electricity testing assembly, electricity testing can be carried out on the grounding switch in the cabinet body without opening the cabinet door, electricity testing can be conveniently carried out by maintainers, errors caused by indirect electricity testing are avoided, and the safety of the maintainers is improved.

A battery module includes a battery element, a first current collector electrically connected to the battery element, a second current collector disposed facing the first current collector and electrically connected to the first current collector, and a plurality of resin insulators disposed therebetween, in which the battery element includes a cathode, an anode, and a resin separator disposed between the cathode and the anode, the first and second current collectors are electrically insulated by the insulators in a portion at which the insulators are disposed therebetween, and are electrically connected to each other in a portion at which the insulators are not disposed therebetween, a melting point of the resin of the insulators is lower than a melting point of the resin of the separator, and the insulators melt and spread between the first and second current collectors as a result of generating heat due to passage of electricity therebetween.

This invention provides a retractable cable that minimizes excess cable length when wiring to movable parts. [Solution] The expandable cable 1 comprises an elastically deformable hollow insulator 2 having a continuous hollow section 2a along the longitudinal direction of the cable, and one or more linear bodies 3 that are spirally arranged along the longitudinal direction of the cable and fixed to the hollow insulator 2 so as to expand and contract together with the hollow insulator 2, and conduct electricity or light, so that when a tensile force is applied the entire cable stretches to 1.2 times or more, and when the tensile force is released it returns to its original length.

The utility model provides a heavy-load connector, and relates to the technical field of connectors, the heavy-load connector comprises a hollow shell, the shell comprises a first shell and a second shell, the first shell and the second shell are detachably connected, the heavy-load connector comprises an insulator, and the insulator is arranged in an inner cavity of the shell; a power connection assembly, wherein the power connection assembly is detachably arranged in the insulator; and the locking assembly is used for fixing the power connection assembly. The heavy-load connector has the advantages of being wide in application range and convenient to use.

The invention discloses a synthesis process of a flame-retardant UV light-cured silicone rubber insulating coating. The flame-retardant UV light-cured silicone rubber insulating coating comprises the following raw materials in parts by weight: 30-45 parts of matrix resin; 15 to 25 parts of a reactive diluent; 20-30 parts of a main flame retardant; 5-10 parts of a synergistic flame retardant; 2-4 parts of a photoinitiator; 3-8 parts of a functional auxiliary agent; 3-8 parts of a wear-resistant reinforcing filler; 5-15 parts of organic wear-resistant resin; 2-5 parts of a fiber reinforcing agent; 10-25 parts of a main heat-conducting filler; 5-10 parts of auxiliary heat conduction filler; and 0.5-2 parts of a heat conduction accelerant. According to the invention, synergism of functions of insulation, flame retardation, heat conduction, wear resistance, antibiosis, mildew resistance, hydrophobicity, antifouling, static electricity resistance and aging resistance is realized, and the composite material can be directly applied to complex scenes such as high-voltage transmission line insulators, electronic component shells, electrical equipment surfaces and the like; power transmission safety can be guaranteed through insulativity, the pollution flashover risk can be reduced by means of hydrophobic antifouling property, meanwhile, the hidden danger of short circuit fire is reduced through flame retardance, and multiple layers of coatings do not need to be additionally stacked.

The utility model relates to a motor and a cooling fan. Wherein the motor comprises a shaft core, a bearing, a middle pipe, a coil and magnetic groups, the shaft core and the bearing are arranged in the middle pipe, the shaft core is sleeved with the bearing, the middle pipe is sleeved with the coil, the multiple magnetic groups are evenly arranged around the coil, and the shaft core and the middle pipe are both insulators. As the shaft core is an insulator, even if a magnetic field is unbalanced during operation of the motor, the shaft core does not generate shaft voltage and does not transmit the shaft voltage to the bearing, so that the problem of electric corrosion of the bearing can be reduced. In addition, the shaft core is an insulator, so that when the motor operates, the generation of shaft voltage caused by static electricity generated by friction between the shaft core and a bearing or air and the like can be reduced. In addition, as the middle tube is also an insulator, shaft voltage and common-mode voltage which are generated by external interference and are conducted to the bearing can be reduced. Therefore, the problem of electric corrosion of the bearing in the motor can be reduced.

The invention relates to a triple insulating bearing cable insulator, which comprises an insulator core rod (1) and a single-ear connecting hardware (3), characterized in that two positioning sleeves (2) are arranged at intervals in the two ends of the insulator core rod (1), a first synthetic silicon rubber umbrella skirt combination (4) is arranged between the two positioning sleeves (2), and a second synthetic silicon rubber umbrella skirt combination (5) and a third synthetic silicon rubber umbrella skirt combination (6) are arranged between the two positioning sleeves (2) and the single-ear connecting hardware (3) at the two ends. The technical design of the invention is mainly formed in the same insulator, so that the installation position of the pendant device on both sides of the insulator is insulated again. After installation, the upper end of the pendant device is in an insulating state, the pendant device can be ensured not to conduct electricity and carry current, and the occurrence of the fault of electric corrosion and electric shock of the pendant device caused by the contact of the pendant device in the past under the current-carrying state and the shaking can be avoided.

An insulator tube armored heating tube with a low-melting-point alloy as a resistance heating body is characterized in that the low-melting-point alloy is filled into an insulator tube with a certain length and a certain section geometric dimension, so that the low-melting-point alloy in the insulator tube has a certain resistance value, and metal electrodes are inserted into the two ends of the insulator tube to be in contact with the low-melting-point alloy; one end of the metal electrode is in contact with the low-melting-point alloy, and the other end extends out of the insulator tube and is sealed and packaged to form an insulator tube armored heating tube; after the metal electrode is electrified, the solid-state low-melting-point alloy is used as a resistor body to be heated to be molten, solid-liquid phase change heat storage is performed, and the temperature of the low-melting-point alloy is always at the melting point temperature of the low-melting-point alloy through temperature control; a plurality of insulator tube armored heating tubes with the low-melting-point alloy as the resistance heating body are connected in series, in parallel or in series-parallel composite connection to form a large-area heater; the heating mode of the insulator tube armored heating tube with the low-melting-point alloy as the resistance heating body on a heated object is a combined mode of a non-contact infrared radiation heating mode, a direct contact heat conduction mode and an infrared radiation heating mode. The infrared radiation heating mode is infrared heating of the tube wall of the composite material insulator tube mixed with the high infrared radiation composite oxide powder to a heated object, and infrared heating of the tube wall of the composite material insulator tube mixed with the high infrared radiation composite oxide powder to the heated object, and high infrared radiation composite oxide particles doped in the low-melting-point alloy to the heated object.

A floating radio frequency connector, relating to the field of connecting devices. The floating radio frequency connector comprises a fixed insulator, a floating insulator, and an inner conductor structure. The inner conductor structure comprises a fixed inner conductor fixedly arranged in the fixed insulator and a floating inner conductor fixedly arranged in the floating insulator. One end of the floating inner conductor is provided with a mating structure, and one end of the fixed inner conductor is provided with a solder tail. One of the floating inner conductor and the fixed inner conductor is provided with a circular mating hole, and the other one is provided with a ball head structure that is fitted into the mating hole and in close contact with the hole wall of the mating hole. The ball head structure is utilized to conduct electricity between the floating inner conductor and the fixed inner conductor, thereby ensuring a reliable electrical connection, and avoiding detachment of the solder tail caused by the acting force being transmitted to the solder tail when the floating inner conductor deflects.

The utility model relates to a high-voltage measurement and protection device of an electric power system, in particular to a supporting type large creepage distance current transformer. Comprising an insulator and a coil device body sealed in the insulator, primary and secondary wiring terminals are arranged at the top and bottom of the insulator, umbrella skirts are arranged on the outer surface of the insulator, and front and rear side voltage-sharing nets are arranged at the lower end in the insulator; the coil device body comprises an iron core, a secondary winding and a primary winding, wherein the secondary winding and the primary winding are wound on the iron core from inside to outside. An insulating layer and a protective layer are wrapped on the iron core. The secondary winding is supported by a secondary winding support, an insulating paperboard and two layers of polyester films are arranged at the two ends of the secondary winding in a padded mode, a polyester film is arranged between secondary wire layers of the secondary winding in a half-stacked mode, an insulating layer, a shielding layer and a protective layer are wrapped on the outer side of the secondary winding, and a polyester belt, a polyurethane plate and semi-conductive crepe paper are wrapped on the outer side of the primary winding. The utility model has the advantages of small volume, low cost, large surface creepage distance, high dynamic thermal stable current, high metering precision, moisture resistance, condensation resistance and electricity larceny prevention.

The invention provides a real-type GIS equipment fault simulation device and simulation method, and the device comprises a 750kV high-voltage circuit breaker, an isolation / grounding switch and a basin-type insulator, is connected with 750kV high voltage through a 750kV sleeve assembly, and comprises a gas chamber, a bus section and a free discharge experiment cabin. The bus section comprises a 750kV elbow bus with a particle trapper interface, a 750kV three-way bus, a 750kV end bus and a 750kV straight bus with a particle trapper interface, the number of the air chambers is five, and the five air chambers are three air chambers without particle trapping and two air chambers with particle trapping. The device has the advantages that typical faults such as insulator surface flashover, discharge between contacts and discharge of the contacts to the shell in actual operation can be accurately reproduced, and meanwhile the voltage conversion insulating sleeve and the discharge particle capturing function are integrated. The device is especially suitable for reliability verification and various discharge experiments of GIS equipment in severe environments such as high altitude and low temperature, and provides key technical support for safe operation of a power system.

The invention belongs to the technical field of pressurized water reactor nuclear power stations, and particularly relates to an electric energy automatic release method suitable for a nuclear power station rod control power supply cabinet. A threaded nail is arranged on the front panel of the plug-in, a threaded hole is formed in the corresponding position of the case, the threaded nail adopts an electric conductor, the threaded hole is divided into a front part, a middle part and a rear part, the front part is close to the threaded nail, the rear part is far away from the threaded nail, the middle part is arranged between the front part and the rear part, the front part and the rear part adopt conductors, and the middle part adopts an insulator; when the threaded nail is loosened or is not screwed in place, the top of the threaded nail does not make contact with the rear portion of the threaded hole, and the front portion and the rear portion of the threaded hole are electrically in a disconnected state. When the threaded nail is screwed in place, the threaded nail is in contact with the front part and the rear part of the threaded hole, and the front part and the rear part of the threaded hole are electrically communicated through the threaded nail. According to the invention, plug-in energy release is automatically carried out when the plug-in is pulled out, and equipment safety and personnel safety are guaranteed.

A battery module comprises a battery element, a first current collector electrically connected to the battery element, a second current collector facing the first current collector and electrically connected to the first current collector, and a plurality of resin insulators arranged between them, wherein the battery element comprises a cathode, an anode, and a resin separator arranged between the cathode and the anode, the first and second current collectors being electrically insulated by the insulators in a section where the insulators are arranged between them, and being electrically connected to each other in a section where the insulators are not arranged between them, wherein the melting point of the resin of the insulators is lower than the melting point of the resin of the separator.and the insulators melt as a result of the heat generated by the passage of electricity between the first and second current collectors, and the heat spreads between the first and second current collectors.

The application discloses an electrified highway pantograph insulating head, adopts a double-head single slide plate structure, each head comprises a carbon slide plate, a spring box, a support plate, an insulator, a support arm, a bow angle, a center shaft, a connecting seat one, a connecting seat two and a support sleeve; during current collection, positive and negative insulating cables are connected with two head slide plate connection boards respectively, current is transmitted to a vehicle traction system, and an electric circuit is formed. The insulator is integrated in the head spring box support part, is fixedly connected with the head support arm and the spring box support plate respectively, the remaining head body part connected with the head is an electrically isolated area without electricity. The pantograph carbon slide plate adopts a single slide plate structure, the head structure is simplified and is beneficial to operation and maintenance. The insulator is arranged at the head spring support position, the quality of the upper part of the pantograph head spring is reduced, the pantograph pantograph is beneficial to followability, and then the current collection performance of the pantograph is improved.