Silicon rubber insulation wind power motor leading and connecting flexible cable and preparation method thereof
A technology of silicone rubber insulation and silicone rubber insulation layer, applied in the direction of insulated cables, cable/conductor manufacturing, insulated conductors, etc., can solve the problem of easy scratches and cracks on the silicone rubber insulation layer, damage to the silicone rubber insulation layer, and poor mechanical properties and other issues, to achieve the effect of wide temperature range, improved wear resistance, and improved mechanical properties
Inactive Publication Date: 2010-10-20
JIANGYIN FUTE CABLE
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Problems solved by technology
[0002] At present, the lead flexible cable for wind power motors is mainly used for connecting the spindle and rotor of wind power generators. It is mainly composed of copper conductors and silicone rubber insulation layers extruded on the copper conductors. The silicone rubber insulation layer is extruded from a single silicone rubber. It is made by vulcanization process. Due to the poor mechanical properties of silicone rubber itself, the silicone rubber insulation layer of the cable is easy to be scratched and cracked when used. The wear of the rubber insulating layer is very large, and it is easy to damage the silicone rubber insulating layer, which will cause an open circuit and cause an accident, resulting in a high repair cost of about 1 million yuan per wind power motor
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[0016] Example 1, (1), the outer surface of the silicone rubber cable is wrapped with polyester film, the thickness of the polyester film is 0.25mm, so that it produces a layer of isolation layer; the silicone rubber cable consists of 950 copper wires of Φ0.40mm Copper conductor and silicone rubber insulation layer extruded outside the copper conductor;
[0017] (2), put the 4500D aramid fiber into 24 braided wraps on the polyester film surface of the cable after wrapping the polyester film, so that the weaving density of the aramid fiber on the polyester film reaches more than 90%;
[0018] (3) The surface of the aramid fiber of the cable prepared in step (2) is sprayed with a layer of impregnated insulating resin, and then baked at 100°C for 2 minutes to cure the impregnated insulating resin, and the finished silicone rubber insulated wind power motor leads soft The cable; the impregnated insulating resin is grade F impregnated insulating resin 319-5F produced by Jiangyin De...
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Abstract
The invention relates to a silicon rubber insulation wind power motor leading and connecting flexible cable which comprises a copper conductor and a silicon rubber insulation layer extruded outside the copper conductor, and is characterized in that a layer of 0.2 to 0.5m polyester film is lapped on the outer surface of the silicon rubber insulation layer, a layer of aramid fiber is woven and lapped on the outer surface of the polyester film, and the weaving density of the aramid fiber on the polyester film reaches above 90 percent; and a layer of macerate insulating resin is applied on the outer surface of the aramid fiber. The invention also relates to a preparation method of the silicon rubber insulation wind power motor leading and connecting flexible cable. The invention has the advantage of improving the mechanical properties and the wear resistance of the silicon rubber insulation layer of the cable.
Description
1. Technical field [0001] The invention relates to a wind power motor leading flexible cable, in particular to a silicon rubber insulated wind power motor leading flexible cable and a preparation method thereof. 2. Background technology [0002] At present, the lead flexible cable for wind power motors is mainly used for connecting the spindle and rotor of wind power generators. It is mainly composed of copper conductors and silicone rubber insulation layers extruded on the copper conductors. The silicone rubber insulation layer is extruded from a single silicone rubber. It is made by vulcanization process. Due to the poor mechanical properties of silicone rubber itself, the silicone rubber insulation layer of the cable is easy to be scratched and cracked when used. The wear of the rubber insulation layer is very large, and it is easy to damage the silicone rubber insulation layer, which will cause an open circuit and cause an accident, resulting in a high repair cost of abo...
Claims
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IPC IPC(8): H01B7/04H01B7/18H01B13/22H01B13/26
Inventor 李福兴
Owner JIANGYIN FUTE CABLE
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