8results about How to "Good insulation" patented technology

The invention discloses a vibration deicing device used for an extra-high voltage line, and relates to the field of high voltage line deicing, the vibration deicing device comprises an insulation shell, a power unit, N insulators and N groups of insulation wire clamps used for being connected with a high voltage line, the interior of the insulation shell is hollow, N guide sleeves are installed on the side wall of the insulation shell in a surrounding mode, and insulation rods are arranged in the guide sleeves; according to the invention, the plurality of insulation wire clamps are respectively connected with a plurality of high-voltage wires, the driving assembly drives the plurality of crankshafts to rotate synchronously, and the crankshafts pull the hinge seats, the insulation rods, the insulators and the insulation wire clamps to reciprocate through the pull rods in the rotation process. The mechanical reciprocating motion can more effectively destroy the adhesion between the ice layer and the high-voltage line, the purpose of vibration deicing is rapidly achieved, the device can deice a plurality of high-voltage lines at the same time, the working efficiency is improved, and the stability of power transmission is ensured.

The invention provides an alternating current porcelain insulator and a preparation method thereof, raw materials in a specific proportion are adopted to prepare a green body, and the green body comprises modified kaolin, nano zirconium boride, hexagonal boron nitride, rare earth doped zirconium silicate, a composite binder and a fluxing agent. The green body is of an umbrella skirt structure and is provided with 3-5 umbrella skirts, the height difference of the adjacent umbrella skirts is gradually increased, and chamfers are arranged on the edges. Wherein the modified kaolin is subjected to specific modification treatment, and the rare earth doped zirconium silicate is obtained through high-temperature calcination, so that the insulating property is enhanced. And the composite binder and the fluxing agent are used for optimizing the green body forming performance and reducing the sintering temperature respectively. The preparation method comprises the steps of mixed pulping, iron removal, granulation forming and surface treatment, ultrasonic concussion is adopted in the mixed pulping process to promote uniform mixing, magnetic separation is conducted twice in the iron removal process, a cold isostatic pressing technology is adopted in granulation forming, and the finally obtained product has optimized mechanical strength and insulation performance and is suitable for an alternating current system. And the cable can bear severe weather conditions and mechanical stress.

The invention discloses an environmentally friendly insulating gas that replaces sulfur hexafluoride in situ and its application, and belongs to the technical field of high-voltage or high-current switches with arc extinguishing or arc protection devices. The components of the environmentally friendly insulating gas that replaces sulfur hexafluoride in situ include trifluoromethyl trifluorovinyl ether and a carrier gas; wherein the content of trifluoromethyl trifluorovinyl ether is 70 mol.%-95 mol.%, and the content of the carrier gas is 5 mol.%-30 mol.%; the carrier gas includes at least one of nitrogen, carbon dioxide, and carbon tetrafluoride. The present invention improves the insulation tolerance of the environmentally friendly insulating gas by adjusting the component content, reduces the possibility of generating high-energy arcs, thereby reducing the free carbon generated by discharge decomposition, and increases the stability of the environmentally friendly insulating gas. The environmentally friendly insulating gas that replaces sulfur hexafluoride in situ has excellent insulation tolerance, and has the advantages of high power frequency insulation strength and low carbon precipitation; it can play an excellent insulating function when applied, and has good use prospects in arc extinguishing or arc protection of basic electrical components.

The application discloses a movable component and a relay. The movable component comprises a push rod, an insulating base, a plurality of contact supports, a plurality of active contact pieces and an insulating piece. The plurality of active contact pieces are respectively arranged in the plurality of contact supports. The push rod, the plurality of contact supports and the insulating piece are connected through the insulating base. The plurality of contact supports are arranged at intervals, and each contact support is in contact with the insulating piece.

The utility model discloses an insulating shoe using composite insulating layer relates to insulating shoe technical field using composite insulating layer, including sole and vamp, specifically be the top fixed connection of sole has the upper, and the sole is composed of rigid layer, first insulating layer, second insulating layer and third insulating layer, and the order of the sole from below to top is rigid layer, first insulating layer, second insulating layer and third insulating layer in proper order, and the upper is composed of first insulating layer, second insulating layer, third insulating layer and fourth insulating layer, and the order of the upper from outside to inside is first insulating layer, second insulating layer, third insulating layer and fourth insulating layer in proper order, and the vamp is composed of first insulating layer, second insulating layer, third insulating layer and fifth insulating layer, and the order of the vamp from above to below is first insulating layer, second insulating layer, third insulating layer and fifth insulating layer in proper order, and the material of rigid layer is natural rubber and the thickness is greater than two centimeters, and the utility model discloses can provide better insulating protection for the worker foot.

The utility model discloses a kind of glue-doped pieces of ultralow glue overflow amount, covering film, tape glue copper foil substrate and cover plate, including ultralow glue overflow amount glue adhesive layer, polyimide film or coating type polyimide layer, the thickness of the ultralow glue overflow amount glue adhesive layer is 0.5-5 μm.The utility model has excellent flatness, operability, insulating property and thermal stability, and because ultralow glue overflow amount glue adhesive layer is very thin, glue overflow amount is very low, can be used for the compounding of material, thickness reduction, forming, and can be adapted to the process conditions of circuit board technology.

The utility model discloses a conductive heat dissipation buffer gasket for a computer mainboard. The conductive heat dissipation buffer gasket comprises a silica gel protective film and a gasket main body assembly, the silica gel protective film is attached to the middle of the gasket body assembly. The gasket main body assembly comprises a silica gel block, a double-sided adhesive layer, a single-sided copper foil adhesive tape assembly and a single-sided mylar adhesive tape assembly; the silica gel block is attached to the silica gel protective film, the size of the silica gel block is smaller than that of the single-face copper foil adhesive tape assembly, and the silica gel block is located in the middle of the single-face copper foil adhesive tape assembly; the single-sided mylar adhesive tape assembly is arranged between the single-sided copper foil adhesive tape assemblies; a foam block is attached to the position, not provided with the silica gel block, of the single-face copper foil adhesive tape assembly. The buffer protection device has excellent conductive, heat dissipation, buffer and shielding functions, and can realize different buffer protection effects.

The utility model discloses a segmented attached high-conductivity strong-heat-dissipation buffer gasket for a computer mainboard. The segmented attached high-conductivity strong-heat-dissipation buffer gasket comprises a silica gel protective film, silica gel, a double-sided adhesive tape, a first single-sided copper foil adhesive tape, a first single-sided adhesive tape, a second single-sided adhesive tape, a second single-sided copper foil adhesive tape, a third single-sided copper foil adhesive tape and a release film which are sequentially arranged from top to bottom. The gasket provided by the utility model is mainly used for conducting, radiating, buffering and shielding a computer mainboard, when the gasket is used, the release film layer, the silica gel protective film and the release film are removed and then are attached, the viscosity of the silica gel protective film is stable, the surface of the silica gel cannot be damaged when the silica gel protective film is removed, the silica gel can play a relatively strong buffering role, components are more effectively protected, and the service life of the components is prolonged. The first single-sided copper foil adhesive tape, the second single-sided copper foil adhesive tape and the third single-sided copper foil adhesive tape have good conductivity, shielding effect and heat dissipation function, the first single-sided adhesive tape and the second single-sided adhesive tape are single-sided MYLAR adhesive tapes, the insulation function is good, the overall structure is simple, and practicability is high.