Optical cable for pressure-proof anti-termite double-shielded indoor and outdoor parts
A double-shielding, indoor and outdoor technology, applied in light guides, optics, optical components, etc., can solve the problems of poor voltage resistance of optical cables, poor ability to prevent insects from biting mice, and inability to be used indoors and outdoors to ensure signal transmission and good voltage resistance. performance effect
Inactive Publication Date: 2018-06-12
TONGDING INTERCONNECTION INFORMATION CO LTD
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Problems solved by technology
However, the existing optical cables have poor pressure resistance, cannot be used indoors and outdoors, and have poor ability to prevent insects, rats and rats, making it difficult to ensure stable signal transmission.
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[0017] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0018] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should no...
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The invention provides an optical cable for pressure-proof anti-termite double-shielded indoor and outdoor parts. The optical cable comprises an optical fiber unit and a protective layer, an inner shielding layer, an inner sheath layer, an outer shielding layer and an outer sheath layer which are sequentially arranged on the outer side of the optical fiber unit from interior to exterior; the optical fiber unit comprises an optical fiber and a tight sleeve sleeving the optical fiber, a reinforcing layer wraps the tight sleeve, the thickness of the reinforcing layer is uniform and consistent, and the reinforcing layer and the optical fiber are concentric; the thickness of the outer sheath layer is larger than that of the inner sheath layer, and the thickness of the inner sheath layer is larger than that of the protective layer. By creatively adopting the dual shielding layers, information interference of external environment is completely isolated; due to the characteristics of the multiple sheath layers, the multiple shielding layers and the circular structure, termites can be effectively prevented, the good pressure resistance is achieved, the optical cable can normally work underthe strong signal interference environment, and the signal transmission stability is ensured.
Description
technical field [0001] The invention belongs to the technical field of optical cable design and manufacture, and in particular relates to a pressure-resistant and ant-proof double-shielded indoor and outdoor dual-purpose optical cable. Background technique [0002] With the advancement of FTTH, user terminals have an increasing demand for cables that can be used as easily as electric wires. The FTTH boom has greatly promoted the development of the optical fiber and cable industry. The successive construction of optical fiber networks and high-speed broadband access networks of various layers, and the increasing popularity of computer networks continue to meet people's increasing demand for communication bandwidth. With the continuous extension of optical fiber to the user end, there are more and more applications of indoor and outdoor optical cables, and the market demand is increasing day by day. However, the existing optical cables have poor pressure resistance, cannot be...
Claims
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IPC IPC(8): G02B6/44
CPCG02B6/443G02B6/4436
Inventor 沈小平李文善李刚庄浩兵肖仁贵陈斌
Owner TONGDING INTERCONNECTION INFORMATION CO LTD