The invention relates to a novel cooling cable, which sequentially comprises a conductor core, an insulating layer, a heat-conducting layer, a cooling layer and a sheath layer from the inside to the outside, wherein the insulating layer wraps the conductor core; the heat-conducting layer wraps the insulating layer; the cooling layer wraps the heat-conducting layer; the sheath layer wraps the cooling layer; multiple annular partition plates are also distributed between the cooling layer and the sheath layer at equal intervals along the length direction of the cooling layer; multiple pairs of sheath layer holes are also evenly distributed in the sheath layer along the length direction of the sheath layer; a connection line between each pair of sheath layer holes is a diameter line of the sheath layer; and meanwhile, the aperture of each sheath layer hole is sequentially decreased progressively from the inner side of the sheath layer to the outer side of the sheath layer. By the structure, the heat generated by the cable in the operation process can be quickly, effectively and uniformly emitted, so that the operation performance and the safety performance of the cable are greatly improved, and the service lifetime of the cable is also prolonged.

Novel cooling cable

The invention belongs to the technical field of electric power and cables, and particularly relates to cable with an improved structure. The cable comprises a conductor, an isolation layer and a sheath layer; the cable is characterized in that multiple filling strips are arranged on the exterior of the conductor; gaps are formed between adjacent filling strips; the exteriors of the filling strips are coated with the isolation layer; the exterior of the isolation layer is coated with the sheath layer in an extrusion molding manner; and the filling strips are laminated on the surface of the conductor. The invention also discloses a manufacturing method for the cable with the novel structure. The cable with the novel structure has the main beneficial effects of smaller outer diameter, less material consumption and lower price under the same carrying capacity; meanwhile, the cable has a better thermal dissipation performance; and the manufacturing method is simple and easy to master.

Cable with improved structure and manufacturing method therefor

The invention discloses a processing technology for filling a cable with a net film. According to the processing technology, raw materials including polypropylene, PP master batches and defoamed master batches are used, and steps including proportioning, stirring, feeding, cooling, cutting, stretching, netting and coiling are included, and the net film of high flexibility, permeability and tensilestrength are formed.

Processing technology for filling cable with net film

The invention belongs to the technical field of power and cables and particularly relates to a novel structure cable. The novel structure cable comprises a conductor, an isolation layer and a sheath layer and is characterized in that multiple filling strips are arranged on the outside of the conductor, gaps are reserved among adjacent filling strips, the filling strips are wrapped by the isolation layer, and the sheath layer is extruded and wrapped on the isolation layer. The filling strips adhere to the surface of the conductor. The invention further discloses a manufacturing method of the novel structure cable. The novel structure cable has the main following advantages that under the condition of the same current carrying capacity, the outer diameter is smaller, material consumption is lower, and the price is lower; the heat radiating performance of the cable is excellent; the manufacturing method is simple and easy to master.

Novel structure cable and manufacturing method

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Novel structure cable and manufacturing method