30results about How to "Realize insulation protection" patented technology

The invention provides a cable sheath. The cable sheath comprises an insulation base and a fixing ring. The insulation base is provided with installation grooves where cable connectors are inserted into. The fixing ring is arranged on the branching portion of cables in a sleeved mode, collects cable connectors and is connected with the insulation base. According to the cable sheath, after the cable connectors are detached, the fixing ring is arranged on the branching portion of the cables in the sleeved mode and collects the cable connectors, then the cable connectors are inserted into the installation grooves of the insulation base, so that the insulation base covers the cable connectors, and insulation protection of the cable connectors is achieved. The fixing ring collects the cable connectors and can limit free moving of the cable connectors, and therefore free moving of the cable connectors is reduced, bending and dispersing of the cables are reduced, and damage to the cable connectors is reduced.

Wire core insulation lock is used to solve the problem of inconvenient wire core insulation protection when the secondary circuit is disconnected. It includes a first shell, a second shell, an inflation and deflation assembly, an inner membrane, a seal and bolts. The first shell includes a first wire core splint, a first marker splint, and a second wire core that are sequentially arranged and connected to each other. The splint and the first wire splint, the second shell includes a third wire core splint, a second marker number splint, a fourth wire core splint and the second wire splint that are arranged in sequence and connected to each other, and the first wire splint and the second wire splint The connecting ends are hingedly connected; semicircular seals and fixing parts are respectively provided on the inner walls of the first, second, third and fourth wire core splints, and an inner film is provided between the first and second wire core splints, A closed air chamber is formed between the inner membrane and the first marker splint, and an inflation and deflation assembly is arranged on the first marker splint. The insulation lock can effectively realize the insulation protection of the wire core, and can be reused.

The invention relates to a battery cell for a lithium-ion battery, which includes a battery cell body, a collector plate is installed at the end of the battery cell body, and an insulating sleeve is arranged around the collector plate; the collector plate includes a disc body, the disc body includes a first surface facing the cell body and a second surface opposite to it; the insulating sleeve includes a first ring body, a second ring body and a third ring body arranged in sequence from the inside to the outside, so The height of the first ring body is smaller than the height of the second ring body, the height of the second ring body is smaller than the height of the third ring body, and the second ring body and the third ring body are closed ring bodies, The first ring body is a non-closed ring body, and the gradient formed by the first ring body, the second ring body and the third ring body extends along the first surface toward the cell body. The invention realizes the stable connection with the current collecting plate and the end of the electric core through the insulating sleeve of the structure, is not easy to shake or fall, and effectively realizes the insulation protection for the electric core.

The invention provides a cable sheath. The cable sheath comprises an insulation base and a fixing ring. The insulation base is provided with installation grooves where cable connectors are inserted into. The fixing ring is arranged on the branching portion of cables in a sleeved mode, collects cable connectors and is connected with the insulation base. According to the cable sheath, after the cable connectors are detached, the fixing ring is arranged on the branching portion of the cables in the sleeved mode and collects the cable connectors, then the cable connectors are inserted into the installation grooves of the insulation base, so that the insulation base covers the cable connectors, and insulation protection of the cable connectors is achieved. The fixing ring collects the cable connectors and can limit free moving of the cable connectors, and therefore free moving of the cable connectors is reduced, bending and dispersing of the cables are reduced, and damage to the cable connectors is reduced.

The present invention discloses a method for preparing an elastic epoxy resin for epoxy resin casting dry type transformers. According to the method, an anhydride curing agent and a polysulfone ester are subjected to mixing dissolving at a temperature of 80-150 DEG C to obtain a polysulfone ester modified anhydride curing agent, and the polysulfone ester modified anhydride curing agent and an epoxy resin are cured at a temperature of 80-150 DEG C so as to obtain the modified epoxy resin. With the method of the present invention, the toughness of the epoxy resin can be effectively improved, such that the epoxy resin can meet the performance requirements of cracking resistance and impact resistance of the casting dry type transformer.

The invention provides a rotary TIG welding torch for welding and repairing the inner wall of a very small diameter pipe, which comprises a tungsten electrode conductive rod, a long straight conductive shaft and a rotary drive device; the long straight conductive shaft is provided with a first gas channel and a water cooling channel; The polar conductive rod is provided with a second gas channel and an air outlet; the long straight conductive shaft is connected with the tungsten electrode conductive rod, and the first gas channel is connected with the second gas channel; the long straight conductive shaft is connected with an external power supply; One end of the rod is provided with an air-water distribution structure for connecting the external air supply device and the external water cooling device; the tungsten electrode conductive rod is provided with a tungsten electrode; Drive the tungsten electrode on the tungsten electrode conductive rod to rotate. The welding torch can effectively reduce the diameter of the welding operation part, so that it can enter into the extremely small diameter pipe fittings for welding operation, meet the welding requirements in extremely harsh conditions of the welding space, and can obtain high-quality weld formation.

The secondary circuit wire core protective sleeve is used to realize the insulation protection of the wire core when the secondary circuit is disconnected. It includes a first shell, a second shell, an inflation and deflation assembly, an air bag, a seal, and a swing rod. The first shell includes a first wire core splint, a first marker splint, and a second wire core that are arranged in sequence and connected to each other. The splint and the first wire splint, the second shell includes a third wire core splint, a second marker number splint, a fourth wire core splint and the second wire splint that are arranged in sequence and connected to each other, and the first wire splint and the second wire splint The connecting ends are hingedly connected; semicircular seals are respectively provided on the inner walls of the first, second, third and fourth wire core splints, and an air bag is arranged on the inner wall of the first marked splint, and the open end of the air bag is connected to the convex The internal cavity is connected, and an inflation and deflation assembly is arranged on the first marker splint. The protective cover can effectively realize the insulation protection of the wire core, and can be reused.

The invention provides a cable sheath. The cable sheath comprises an insulation base, a supporting part, an electric conduction post and a grounding wire. The insulation base is provided with insertion holes where cable connectors are inserted into, electric conduction portions are arranged on the inner walls of the insertion holes, and the cable connectors are electrically connected with the electric conduction portions after being inserted into the insertion holes. The supporting part is arranged on the insulation base. The electric conduction post is movably arranged on the supporting part and can be connected with or disconnected from the electric conduction portions through moving. The grounding wire is electrically connected with the electric conduction post. According to the cable sheath, the electric conduction post can be connected with or disconnected from the electric conduction portions on the insulation base through moving according to actual conditions so that the cable connectors can be selectively grounded or not, the cable connectors are not grounded when users may use a reserve power supply and are grounded when the users do not use the reserve power supply, and therefore the construction safety can be improved on the premise of not damaging electric appliances of the users.

The invention discloses a cable connection terminal insulation protective device, which is used for solving the problem that the insulation protection of the cable connection terminal is not in full coverage in the process of clearing and wiring of the secondary circuit. A first housing comprises a first wire core clamping plate, a first mark clamping plate, a second wire core clamping plate and a first lead clamping plate which are successively arranged and mutually connected. A second housing comprises a third wire core clamping plate, a second mark clamping plate, a fourth wire core clamping plate and a second lead clamping plate which are successively arranged and mutually connected; the connection terminals of the first lead clamping plate and the second lead clamping plate are connected by hinging; semicircle sealing members and fixing members are arranged on the inner walls of the first, the second, the third and the fourth wire core clamping plates; an inner film is positioned between the first wire core clamping plate and the second wire core clamping plate; a sealed air cavity is formed between the inner film and the first mark clamping plate; the first mark clamping plate is provided with an deflation and inflation assembly; and a locking assembly is arranged between the first housing and the second housing. The cable connection terminal insulation protective device can effectively realize the insulation protection for the wire core and can be repeatedly used.