High-stability intelligent stranded wire

Abstract

The utility model discloses a high-stability intelligent stranded wire, and relates to the technical field of intelligent stranded wires. The optical cable comprises an optical fiber core wire and an outer stranded wire, wherein the optical fiber core wire comprises a fiber core, a soft protection layer is compounded on the outer surface of the fiber core, an inner armor layer is compounded on the outer surface of the soft protection layer, a plastic protection tube is compounded on the outer surface of the inner armor layer, a spiral winding strip layer is arranged on the outer surface of the plastic protection tube, and an outer armor layer is compounded on the outer surface of the winding strip layer. According to the utility model, the novel inner core type intelligent optical fiber is designed, so that the protection capability, the strength, the wear resistance and the position stability of the fiber core are improved, the service life of the fiber core section is prolonged, and meanwhile, a certain gap can be formed in the optical fiber core wire through the design of the winding strip layer and the plastic protection tube layer; a buffer space is provided for deformation of the outer layer part of the optical fiber core wire, the fiber core is not directly impacted, the protection effect on the fiber core is further improved, and the stability of the intelligent stranded wire is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to intelligent stranded conductor technical field, especially a kind of high-stability intelligent stranded conductor. BACKGROUND

[0002] For the layout of the distributed optical fiber sensor of railway, sensing optical fiber needs to be integrated with stranded conductor, and is basically arranged at the axis of stranded conductor to play a certain protective role. Since the length of railway is relatively long, the length of corresponding stranded conductor and sensing optical fiber is also relatively long, so the protection and stability requirements are relatively high.

[0003] Since stranded conductor is arranged at high place, it will be impacted by environment (wind, rain and snow, lightning, etc.), and also needs to bear pulling force in all directions during laying process. The hardness of stranded conductor and the contact friction of bullet train will greatly affect stranded conductor, so as to possibly affect the quality, service life and stability of optical fiber at inner core, affect the stability of data transmission, and thus affect monitoring stability and effect.

[0004] Therefore, designing high-strength and high-stability intelligent stranded conductor is a problem to be solved by workers in the field. SUMMARY

[0005] The utility model discloses a kind of high-stability intelligent stranded conductor, by design novel inner core type intelligent optical fiber, to improve the protection ability to fiber core, improve its strength, wear resistance and positional stability, improve the service life of fiber core section, simultaneously, through the design of winding strip layer and plastic pipe layer, certain interstice can be formed in optical fiber core wire, provide buffer space for the deformation of outer layer part of optical fiber core wire, not directly impact fiber core, further improve the protection effect to fiber core, greatly improve the stability of intelligent stranded conductor.

[0006] To solve the above technical problem, the utility model is realized by the following technical scheme:

[0007] The utility model discloses a kind of high-stability intelligent stranded conductor, including optical fiber core wire and outer stranded conductor;

[0008] The optical fiber core wire includes fiber core, and the outer surface of the fiber core is compounded with soft protective layer, and the outer surface of the soft protective layer is compounded with inner armor layer;

[0009] The outer surface of the inner armor layer is compounded with plastic pipe, and the outer surface of the plastic pipe is provided with spiral winding strip layer;

[0010] The outer surface of the winding strip layer is compounded with outer armor layer, and the outer surface of the outer armor layer is compounded with wear-resistant layer;

[0011] The inner armor layer and the outer armor layer are both spiral winding structures, and the outer armor layer covers the winding strips of three or more winding strip layers in the width direction;

[0012] The outer wire is arranged on the outer surface of the wear-resistant layer.

[0013] Further, the outer wire is composed of an inner layer wire and an outer layer wire, the inner layer wire is wound on the outer surface of the wear-resistant layer, and the outer layer wire is wound on the outer surface of the inner layer wire.

[0014] Further, the inner layer wire and the outer layer wire are both spiral wires, and the spiral directions of the inner layer wire and the outer layer wire are opposite.

[0015] Further, the inner armor layer and the outer armor layer are both metal mesh layers or metal sheet layers, and the winding directions of the inner armor layer and the outer armor layer are opposite.

[0016] Further, the outer surface of the wear-resistant layer is a smooth cylindrical surface.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model discloses a novel inner core type intelligent optical fiber, which improves the protection of the fiber core, improves the strength, wear resistance and position stability, prolongs the service life of the fiber core, and provides a buffer space for the deformation of the outer part of the optical fiber core through the design of the winding strip layer and the plastic protective tube layer, so that the fiber core is not directly impacted, the protection effect of the fiber core is further improved, and the stability of the intelligent wire is greatly improved.

[0019] 2. The utility model discloses an inner armor layer and an outer armor layer, which can improve the strength and impact resistance of the optical fiber core, and the opposite winding directions can also improve the torsion resistance and further protect the fiber core.

[0020] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed for the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0022] Figure 1 It is a structure schematic diagram of the high-stability intelligent wire of the utility model.

[0023] Figure 2 Structure diagram of the optical fiber after cutting half of the core wire;

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] 1 - optical fiber core wire, 2 - outer strand, 101 - core, 102 - soft protective layer, 103 - inner armor layer, 104 - plastic protective tube, 105 - winding strip layer, 106 - outer armor layer, 107 - wear-resistant layer, 201 - inner layer strand, 202 - outer layer strand. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-2 The utility model discloses a kind of high-stability intelligent strands, including optical fiber core wire 1 and outer strand 2.

[0028] Optical fiber core wire 1 includes core 101, and the outer surface of core 101 is compounded with soft protective layer 102, and the outer surface of soft protective layer 102 is compounded with inner armor layer 103.

[0029] The outer surface of inner armor layer 103 is compounded with plastic protective tube 104, and the outer surface of plastic protective tube 104 is provided with spiral winding strip layer 105.

[0030] The outer surface of winding strip layer 105 is compounded with outer armor layer 106, and the outer surface of outer armor layer 106 is compounded with wear-resistant layer 107.

[0031] Inner armor layer 103 and outer armor layer 106 are both spiral winding structure, and outer armor layer 106 width direction covers the winding strip of more than three turns of winding strip layer 105.

[0032] Outer strand 2 is arranged on the outer surface of wear-resistant layer 107.

[0033] As shown in the figure, Figure 1 Outer strand 2 is composed of inner layer strand 201 and outer layer strand 202, and inner layer strand 201 is wound on the outer surface of wear-resistant layer 107, and outer layer strand 202 is wound on the outer surface of inner layer strand 201.

[0034] As shown in the figure, Figure 1 Inner layer strand 201 and outer layer strand 202 are both spiral structure, and the spiral direction of inner layer strand 201 is opposite to the spiral direction of outer layer strand 202.

[0035] The inner armor layer 103 and the outer armor layer 106 are both metal mesh layers or metal sheet layers, and the winding directions of the inner armor layer 103 and the outer armor layer 106 are opposite.

[0036] Among them, such as Figure 2 As shown, the outer surface of the wear-resistant layer 107 is a smooth cylindrical surface.

[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-stability intelligent stranded wire, comprising an optical fiber core wire (1) and an outer stranded wire (2), characterized in that: the optical fiber core wire (1) comprises a fiber core (101), an outer surface of the fiber core (101) is compounded with a soft protective layer (102), and an outer surface of the soft protective layer (102) is compounded with an inner armor layer (103); an outer surface of the inner armor layer (103) is compounded with a plastic protective tube (104), and an outer surface of the plastic protective tube (104) is provided with a spiral winding strip layer (105); an outer surface of the winding strip layer (105) is compounded with an outer armor layer (106), and an outer surface of the outer armor layer (106) is compounded with a wear-resistant layer (107); the inner armor layer (103) and the outer armor layer (106) are both spiral winding structures, and the outer armor layer (106) covers more than three turns of winding strips of the winding strip layer (105) in the width direction; and the outer stranded wire (2) is arranged on an outer surface of the wear-resistant layer (107). The outer stranded wire (2) is composed of an inner layer stranded wire (201) and an outer layer stranded wire (202), the inner layer stranded wire (201) is wound on an outer surface of the wear-resistant layer (107), and the outer layer stranded wire (202) is wound on an outer surface of the inner layer stranded wire (201). The inner layer stranded wire (201) and the outer layer stranded wire (202) are both spiral wire structures, and a spiral direction of the inner layer stranded wire (201) is opposite to a spiral direction of the outer layer stranded wire (202). The inner armor layer (103) and the outer armor layer (106) are both metal mesh layers or metal sheet layers, and winding directions of the inner armor layer (103) and the outer armor layer (106) are opposite. An outer surface of the wear-resistant layer (107) is a smooth cylindrical surface. ​ 2. A high-stable intelligent strand according to claim 1, characterized in that, ​ 3. A high-stable intelligent strand according to claim 2, characterized in that, ​ 4. The high-stable intelligent strand according to claim 1, characterized in that, ​ 5. The high-stable intelligent strand according to claim 1, wherein, ​

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