12results about How to "Reduce electrical failures" patented technology

The utility model relates to the technical field of seeding machines, in particular to a mechanical flexible shaft transmission opening fertilizer applying structure of a seeding machine, which comprises a fertilizer feeding device, a fertilizer feeding box, a fixing frame, a turning transmission device and a mechanical flexible shaft, the fertilizer feeding device is fixed below the fertilizer feeding box, the fixing frame is fixedly connected below the fertilizer feeding box, the fertilizer feeding device is fixedly connected below the fixing frame, and the turning transmission device is fixedly connected below the mechanical flexible shaft. The two ends of the mechanical flexible shaft are respectively connected with a turning driver, one turning driver is fixedly connected below the fixed frame and is connected with the fertilizer apparatus through a transmission shaft, and the other turning driver is connected with the seeding machine. Compared with an existing chain transmission or gear transmission mouth fertilizer applying structure, the mouth fertilizer applying device has the advantages of being flexible in transmission, not limited in installation space and low in maintenance cost.

The utility model provides an insulation tapping three-phase dry-type transformer which comprises a transformer shell provided with windings, the windings comprise a low-voltage winding and a high-voltage winding, and voltage conversion can be efficiently achieved. The winding guide rod is provided with a winding insulation assembly composed of a winding insulation layer and interlayer insulation, and current leakage and short circuit are effectively prevented. The winding guide rod achieves efficient electrical isolation through the winding insulating layer and interlayer insulation, and safe operation of equipment in a high-voltage environment is ensured. The auxiliary heat dissipation fins are arranged on the outer surface of the transformer shell, the heat dissipation efficiency is effectively improved, and meanwhile the anti-rust paint layer is coated to enhance the corrosion resistance. The bottom supporting system is composed of an underframe, mounting channel steel and an insulating sleeper, and is matched with an isolation plate and a mounting conical seat to ensure stable operation of equipment and provide good electrical isolation. The overall design gives consideration to efficient voltage conversion, reliable insulation protection, stable mechanical support and convenient maintenance operation.

The utility model relates to overload protector technical field, and disclose can card formula base overload protector, including protection bottom shell, the inside bushing of protection bottom shell has the protection board, and the one end bushing of protection board has protection button and protection shell, button spring, incoming terminal, outgoing terminal, the utility model discloses reasonable in structure, through the mounting sliding block of installation assembly one side inserts into fixed slide rail, rotates mounting bolt and makes installation assembly install in fixed slide rail, pulls the installation handle and drives installation rod to move upwards to make installation spring compression, the worker places the wire that divides to the mounting seat, and the worker lowers installation handle and makes installation rod to the wire on mounting seat press down and compress tightly through the elastic force of installation spring, and the incoming and outgoing socket one side installation assembly press down and fix to the wire, when installing equipment, the worker can carry out wiring quickly to the wire that the worker divides and fixes and carries out wiring, can clearly see the use and connection position of every wire.

The utility model discloses a kind of suspension function columns, it is related to electrical equipment installation technical field, it includes function column main body, hidden socket assembly, suspension connecting structure and electrical management module, function column main body is hollow vertical cabinet, adopt wear-resistant fireproof material, inside is arranged neat line slot, side surface integrated incoming line slot and gas terminal interface, hidden socket assembly contains modular socket, shielding by hidden door, can be adjusted position along installation guide rail, suspension connecting structure realizes top suspension installation, save space, electrical management module integrates intelligent circuit breaker and wireless communication module, guarantee power utilization safety and support remote control.The utility model realizes electrical component hidden storage, flexible adaptation and safe power supply, improve space utilization and aesthetic degree, applicable to office, commercial various scenes.

The utility model discloses a super-flexible 27.5 kV high-speed rail traction power supply cable, which is suitable for the technical field of cables. The cable comprises a circular stranded copper conductor, a conductor shielding layer, an ethylene propylene rubber insulating layer, a semi-conductive insulating shielding layer, a low-density polyethylene isolation sleeve, a halogen-free low-smoke flame-retardant glass fiber belt and an aluminum wire armor layer, wherein the periphery of the circular stranded copper conductor is surrounded by the conductor shielding layer, the ethylene propylene rubber insulating layer and the semi-conductive insulating shielding layer are wrapped outside, a semi-conductive water-blocking belt and a metal shielding layer are arranged outside the semi-conductive water-blocking belt and the metal shielding layer, and the low-density polyethylene isolation sleeve and the halogen-free low-smoke flame-retardant glass fiber belt and the aluminum wire armor layer are wrapped outside. A double-layer flame-retardant wrapping tape and a low-smoke halogen-free sheath are wrapped outside, and a nylon outer sheath is arranged on the outermost layer; on the premise that the whole cable structure meets various performance requirements of high-speed rail operation, through the flexible design of structural materials of all parts, the weight of the cable is reduced as much as possible, the installation convenience is greatly improved, the installation and construction cost is reduced, and the cable conforms to the efficient and economic development trend of modern high-speed rail construction and is worthy of popularization and application. The method has wide application prospects and remarkable economic benefits and social benefits.

The utility model discloses a contact net isolator monitoring device belongs to electrified railway contact net technical field. A contact net isolator monitoring device, including the cabinet body, and the front glass door and the back opposite -open door hinged in the front and back sides of cabinet body, the inside of cabinet body is provided with the upper layer alternating -current equipment, the middle layer direct current equipment and the lower layer wiring equipment who respectively are electrically connected from top to bottom, the inside wall fixedly connected with cabinet body framework in the cabinet body, the top fixed mounting of cabinet body framework has the heat dissipation module, the upper layer alternating -current equipment fixed connection is in the upper portion of cabinet body framework, and the upper layer alternating -current equipment is located heat dissipation module side, the middle layer direct current equipment fixed connection is in the middle portion of cabinet body framework, the utility model discloses: according to the function modularization layered setting of each element, through reasonable element layout and layered design, improve the heat dissipation efficiency, effectively reduced the security risk that leads to the wiring disorder, equipment mutual interference etc.

The utility model relates to an industrial rapid door reserve power supply, including reserve power supply box and wire harness protection cover. Reserve power supply box bottom surface is equipped with wire harness interface, and wire harness protection cover screens wire harness interface, reserve power supply box bottom surface has the clamping groove, and wire harness protection cover has the clamping claw, and the clamping claw is matched with the clamping groove through the clamping, and wire harness protection cover is detachably connected in reserve power supply box bottom surface. The industrial rapid door reserve power supply can effectively screen wire harness interface, avoid its bare outside, reduce electrical safety hidden danger, wire harness protection cover can dismantle the design and will not cause the interference of on -the -spot installation, has improved the installation convenience, has reduced the maintenance cost and time cost to the wire harness interface and carries out the operation such as wiring, overhauling, clamping structure is simple and reliable, reduces the product manufacturing cost while satisfying the use demand.

The utility model discloses an intelligent temperature control type bus duct system, which relates to the technical field of bus ducts and comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a temperature detector, two ends of the bottom plate are fixedly connected with side plates, the middle of each side plate is provided with a square opening, and a rotating plate is rotatably arranged in each square opening. According to the utility model, through the cooperative design of the rotating plate, the top plate, the heat dissipation fins and the fan, the heat stress generated by high temperature of the bus duct is reduced, the heat dissipation efficiency is improved, the service life of the bus duct is prolonged, the electrical fault caused by overheating is reduced, and the equipment maintenance and replacement cost is reduced; when the temperature in the bus duct is too high, the top plate moves downwards to be in contact with the cable, heat on the cable is transmitted to the heat dissipation fins through the top plate, the rotating plate rotates to be opened, the fan is started, air convection is formed, flowing of air around the bus duct is accelerated, heat in the bus duct can flow out from the two sides, air circulation is increased, and the service life of the bus duct is prolonged. And the heat dissipation effect is enhanced.

The utility model discloses a control circuit and power adapter of automatic conversion current relates to switching power adapter technical field, including rectifier input circuit, rectifier output circuit and operational amplifier circuit who connects gradually, the reference voltage input end and first voltage input end of operational amplifier circuit are connected the positive input end and negative input end of first operational amplifier respectively, and the output of first operational amplifier is connected the grid of MOS pipe, and the drain is connected the positive input end of second operational amplifier through the pull -down resistance network, the positive input end of third operational amplifier is connected to second voltage input, and the output of third operational amplifier is connected the negative input end of second operational amplifier through resistance, and the negative input end and positive input end of second operational amplifier are connected the photo -coupler for controlling current loop through the output of second operational amplifier after comparing, according to output voltage interval automatic switching maximum output current, reduce design complexity, promote charging stability and security.

The invention provides an electric power intelligent power distribution cabinet with a built-in circulating ventilation system, and relates to the technical field of electric power intelligent power distribution cabinets, the electric power intelligent power distribution cabinet comprises a cabinet body, a cabinet door and an air cooling heat dissipation mechanism installed in the cabinet body, the cabinet door is rotatably connected to the side part of the cabinet body, and two groups of symmetrically arranged separation frames are vertically and fixedly arranged in the cabinet body; and water-cooling heat dissipation mechanisms are assembled on the two groups of separation frames. Compared with the prior art, the cabinet has the following beneficial effects that the flowing speed of air in the cabinet body can be increased through all-directional blowing of the air-cooling heat dissipation mechanism, on one hand, heat generated by electrical elements in the cabinet is directly taken away, and on the other hand, heat exchange between the air in the cabinet body and the water-cooling heat dissipation mechanism can be accelerated, so that a synergistic heat dissipation effect is formed by air cooling and water cooling; an efficient built-in circulating ventilation and heat dissipation system is constructed in the cabinet body, and the overall heat dissipation efficiency is far higher than that of a single air cooling or water cooling structure.

The application belongs to the technical field of insulators, and discloses an anti-wind-sand electric porcelain insulator assembly, which comprises a supporting frame, a threaded plate, a vertical rod, two rotating plates, a concave block, a rack, a protective box, a gear, an annular plate, a sliding rod, a connecting plate, a special-shaped strip cotton and an insulator.