3 results about "Epoxy insulators" patented technology

The utility model relates to the technical field of circuit breakers, in particular to a mining high-voltage vacuum circuit breaker, which comprises a case, a conductive sliding seat, a grounding seat, a linear driving assembly, a conductive sliding block B, a reciprocating driving assembly and a transmission assembly. An epoxy insulator is arranged on the case, and a tulip contact and a vacuum tube are arranged in the epoxy insulator; a conductive sliding block A is arranged on the conductive sliding seat, the conductive sliding block A is connected with a movable contact, and an insulating seat is arranged on the movable contact; the grounding seat is arranged in the epoxy insulator; the linear driving assembly is in driving connection with the insulating seat; one end of the conductive sliding block B is connected with the other end of the conductive sliding seat and the movable end of the vacuum tube; the reciprocating driving assembly is in driving connection with the conductive sliding block B; the transmission assembly is in transmission connection with the linear driving assembly and the reciprocating driving assembly. According to the utility model, grounding of the load end is realized through the three-phase vacuum tube arc extinguish chamber, the safety coefficient is high, and the operation is simple and convenient.

The high-creeper voltage transformer comprises an epoxy insulator and a shell, the shell is sleeved on the epoxy insulator, a first umbrella skirt is arranged at the sleeve of the high-voltage end of the shell, and a second umbrella skirt is arranged at the low-voltage end of the shell, the first umbrella skirt is made of silicon rubber, and self-repairing capsules are arranged at positions, which are not more than 2 mm away from the surface, in the interiors of the first umbrella skirt and the second umbrella skirt, the self-repairing capsules comprise a capsule body, the capsule body contains a curing agent, the capsule body is a plastic film capsule body, the self-repairing capsules in the first umbrella skirt adopt a combined structure integrally formed with the first umbrella skirt, and the curing agent in the capsule body is a curing agent mixed with a volatile conductive solvent. Through the self-repairing capsules and the carbon nanotube heating film, after the sensor senses local discharge, the produced cracks and conductive channels can be repaired, further damage can be avoided, and the safety and stability are effectively improved.

The present invention relates to a prefabricated joint and, more specifically, to an integrated insulator having a structure in which a unit used as an insulating material and an insulating container are integrally formed, and a prefabricated joint. An integrated insulator of a prefabricated joint according to the present invention comprises: an epoxy unit in which a conductive metal center electrode to which a conductor of a power cable is coupled is formed in the center, an epoxy insulator is molded on the outer periphery of the center electrode, flanges are formed at both ends for fastening with adjacent components, respectively, and the inner surface is interfacially bonded to a rubber stress cone; and an insulating container integrally molded on the outer periphery of one side of the epoxy unit and having a screw tap formed thereon for fastening with adjacent components.