High temperature line especially for high-temperature cabinet and its production method
A manufacturing method and high-temperature wire technology, which are applied in the manufacture of cables/conductors, mica, plastic/resin/wax insulators, etc., can solve the problems of high temperature resistance and voltage resistance that cannot meet the requirements of use, and achieve the effect of preventing bending deformation.
Inactive Publication Date: 2010-04-07
江苏耐安特种电缆有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a high-temperature wire, which solves the problem that the high-temperature wires in the existing market cannot meet the requirements of use, and provides a special high-temperature wire for high-temperature boxes with a temperature resistance of 450°C and a voltage resistance of 600V. Manufacturing method
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[0014] Further illustrate the present invention in conjunction with accompanying drawing and embodiment, as figure 1 As shown, the present invention consists of a nickel-plated conductor 1, a mica insulating layer 2, and an alkali-free glass fiber braided layer 3; the nickel-plated conductor 1 is wound with a mica insulating layer 2 and an alkali-free glass fiber braided layer 3; the nickel-plated conductor 1 The oxygen-free copper wire is nickel-plated to 27-grade nickel-plated copper wire; the mica insulating layer 2 is natural muscovite without impurities; the mica insulating layer 2 is soaked in an adhesive.
[0015] The method of the present invention comprises the following steps:
[0016] (1) The oxygen-free copper wire is chemically treated and coated with a 27-grade nickel layer, and the nickel layer accounts for 25% to 27% of the unit weight of the nickel-plated conductor;
[0017] (2) Evenly wrap the mica tape on the 27-grade nickel-plated conductor, then soak it i...
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The invention relates to a high temperature wire specially used for a high temperature box, and a fabrication method of the high temperature wire, belonging to the technical field of high temperatureresistance and high voltage resistance cable. The invention improves the structure of the existing high temperature wire and the fabrication process and is mainly characterized in that normal nickel-plated brass wire conductor of the traditional high temperature wire is changed into 27-step nickel-plated conductor; furthermore, the 27-step nickel-plated conductor is sequentially enwound by a micainsulation layer and a no-alkali glass fiber weaving layer; the technical performances of the high temperature wire after insulation, shielding and aging, such as the performances of flexibility, coldbending, printing character durability, dielectric voltage resistance testing, high voltage switching testing, FT2 horizontal burning testing, VW-1 vertical burning testing, etc., comply with the requirement; the performances of high temperature resistance, aging resistance and oxidation resistance are obviously higher than similar products; the high temperature wire and the fabrication method thereof are suitable for interior wiring of high temperature equipments, and can prevent repeated bent deformation and the damage to the equipment.
Description
technical field [0001] The invention relates to a method for manufacturing a special high-temperature wire for a high-temperature box, and belongs to the technical field of high-temperature-resistant and high-voltage cables. Background technique [0002] At present, there are many kinds of high-temperature wires on the market, and the common ones are mainly divided into two types in terms of models. The first type is nickel-plated copper core wire, which is mainly used for fixed laying temperature-resistant occasions; the second type is stainless steel wire shielded nickel-plated copper core cable, which is mainly used for temperature-resistant occasions with moving requirements or small bending radius. [0003] After reviewing relevant literature, it has been found that there are conductors in China that use nickel-plated copper wire, and the outer sheath is woven with glass fiber yarn. 500 ℃ nickel-plated copper core high-temperature insulated wire and cable reports; ther...
Claims
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IPC IPC(8): H01B7/00H01B7/02H01B7/29H01B3/04H01B3/44H01B13/00
Inventor 许美新
Owner 江苏耐安特种电缆有限公司