Anti-breaking optical fiber patch cord

Abstract

The utility model discloses an anti-breaking optical fiber patch cord, which relates to the technical field of optical fiber communication and comprises a micro-bend sensitive material layer arranged on the surface of an optical fiber body, a reinforcing sleeve is arranged on the outer wall of the micro-bend sensitive material layer, and a high-elasticity sheath is arranged on the outer side of the reinforcing sleeve. An elastic sheath is arranged on the outer side of the high-elasticity sheath, and an anti-fracture polyurethane foam microbead layer is arranged between the high-elasticity sheath and the elastic sheath; in the technical scheme provided by the utility model, the bending state of the optical fiber can be monitored in real time by adopting the micro-bending sensitive material layer, excessive bending is prevented, and signal loss caused by micro-bending is reduced. The polyurethane foam microbead layer is filled with microbeads of inert gas, so that the overall buffering effect is enhanced, the optical fiber can be quickly recovered even under continuous pressure, and permanent deformation of the optical fiber caused by long-term pressure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber communication, in particular to an anti-break optical fiber jumper. Background Art

[0002] In the field of optical fiber communication, optical fiber patch cords are key components for connecting different devices, and their performance directly affects the stability and reliability of the entire communication network. Although traditional optical fiber patch cords perform well in signal transmission, they are vulnerable to physical damage in actual use, especially when bent or squeezed, which can cause signal interruption or attenuation, and even destroy the entire optical fiber communication link in severe cases. In addition, since the optical fiber itself is relatively fragile and has poor adaptability to the external environment, changes in humidity and temperature can also affect its performance.

[0003] In recent years, with the continuous development of optical fiber communication technology, data centers, cloud computing centers, large network facilities and other occasions have put forward higher requirements on the performance of optical fiber patch cords. Especially in high-density wiring environments, the anti-bending and anti-extrusion capabilities of optical fiber patch cords have become one of the key factors restricting their application. Therefore, an anti-break optical fiber patch cord is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an anti-break optical fiber jumper to solve the problems in the background technology.

[0005] In view of this, the utility model provides an anti-breakage optical fiber jumper, including a micro-bend sensitive material layer arranged on the surface of the optical fiber body, the outer wall of the micro-bend sensitive material layer is provided with a reinforcing sleeve, the outer side of the reinforcing sleeve is provided with a high-elastic sheath, the outer side of the high-elastic sheath is provided with an elastic sheath, and an anti-breakage polyurethane foam microbead layer is provided between the high-elastic sheath and the elastic sheath.

[0006] Optionally, the inner wall of the high elastic sheath is provided with a plurality of strip-shaped stress dispersion cavities.

[0007] Optionally, the stress dispersion cavity is filled with low-density elastic particles.

[0008] Optionally, the outer wall of the elastic sheath is paved with a self-repairing layer, and the self-repairing layer is made of a polymer material of multi-walled carbon nanotubes.

[0009] Optionally, the microbeads of the polyurethane foam microbead layer are filled with gaseous inert gas.

[0010] Optionally, the high elastic sheath is made of thermoplastic polyurethane material.

[0011] Optionally, the reinforcement sleeve is made of carbon fiber composite material.

[0012] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0013] 1. The utility model is an anti-break optical fiber jumper. The microbend sensitive material layer can monitor the bending state of the optical fiber in real time, prevent excessive bending, and reduce the signal loss caused by microbending. The microbeads filled with inert gas in the polyurethane foam microbead layer enhance the overall buffering effect, and can quickly recover even under continuous pressure, avoiding permanent deformation of the optical fiber caused by long-term pressure.

[0014] 2. The utility model is an anti-break optical fiber jumper. When the optical fiber jumper is bent, the elastic sheath and stress dispersion cavity are used to absorb and disperse the stress through the movement of elastic particles, thereby reducing the local stress on the internal optical fiber and significantly improving the anti-bending performance. Strengthening the combination of the sleeve and the carbon fiber composite material: providing a solid external support, effectively resisting external force impact, and preventing the optical fiber body from being directly damaged.

[0015] These features and advantages of the present invention will be disclosed in detail in the following specific implementation manners and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the right side view of the utility model.

[0020] Explanation of the reference numerals: 1. optical fiber body; 2. micro-bend sensitive material layer; 3. reinforced sleeve; 4. high elastic sheath; 41. stress dispersion cavity; 5. polyurethane foam microbead layer; 6. elastic sheath; 7. self-healing layer. DETAILED DESCRIPTION

[0021] The following is an explanation and description of the technical scheme of the embodiment of the utility model in conjunction with the drawings of the embodiment of the utility model, but the following embodiment is only a preferred embodiment of the utility model, not all. Based on the embodiment in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the utility model.

[0022] An anti-break optical fiber jumper according to an embodiment of the utility model will be described in detail below with reference to the accompanying drawings.

[0023] Example

[0024] For easier understanding, see Figures 1 to 3 An embodiment of an anti-break optical fiber jumper provided by the utility model comprises a micro-bend sensitive material layer 2 arranged on the surface of an optical fiber body 1, the outer wall of the micro-bend sensitive material layer 2 is provided with a reinforcing sleeve 3, the outer side of the reinforcing sleeve 3 is provided with a high elastic sheath 4, the outer side of the high elastic sheath 4 is provided with an elastic sheath 6, and an anti-break polyurethane foam microbead layer 5 is provided between the high elastic sheath 4 and the elastic sheath 6.

[0025] It should be noted that the optical fiber body 1 is made of high-quality optical fiber material to ensure the quality of signal transmission. The microbend sensitive material layer 2 is tightly wrapped on the surface of the optical fiber body 1 to sense and respond to external microbends to avoid signal loss caused by excessive bending. The reinforcing sleeve 3 is arranged on the outer wall of the microbend sensitive material layer 2, and the high elastic sheath 4 covers the outer side of the reinforcing sleeve 3. The polyurethane foam microbead layer 5 is located between the high elastic sheath 4 and the elastic sheath 6.

[0026] The microbend sensitive material layer 2 is closely attached to the outer surface of the optical fiber body 1, forming a uniform and continuous thin film. The thickness of the microbend sensitive material layer 2 is set according to the requirements to ensure that it can sensitively respond to external microbends without negatively affecting the transmission performance of the optical fiber. Generally, its thickness ranges from a few microns to tens of microns, and the specific value needs to be determined according to the characteristics of the selected material and the diameter of the optical fiber.

[0027] The material selection of the microbend sensitive material layer 2 is based on its responsiveness to microbend sensitivity and compatibility with optical fiber signal transmission. Common materials include but are not limited to:

[0028] Polymer-based composite materials: These materials have good flexibility, low refractive index, and are sensitive to microbends. They can effectively amplify the microbend effect while having little impact on the signal transmission of the optical fiber.

[0029] Metal nanoparticle composites: Metal nanoparticles, such as silver and gold, are embedded in a polymer matrix to enhance the performance of the microbending-sensitive material layer by utilizing the high reflectivity and sensitive response of the metal to microbending.

[0030] The working principle of the microbend sensitive material layer 2 is mainly based on the mode conversion of light. When the optical fiber is microbent, the deformation of the microbend sensitive material layer will cause the mode of light in the optical fiber to change, and some of the light originally transmitted in the optical fiber core may leak into the cladding or even scatter to the outside. This mode conversion and light leakage / scattering will be directly reflected in the intensity of the optical signal output by the optical fiber. By detecting the change of the optical signal, it can be determined whether the optical fiber has been microbent and the degree of microbending.

[0031] In some embodiments, the inner wall of the high elastic sheath 4 is provided with a plurality of strip-shaped stress dispersion cavities 41 . The stress dispersion cavities 41 are filled with low-density elastic particles 42 .

[0032] It should be noted that the inner wall of the high elastic sheath 4 is provided with a plurality of strip-shaped stress dispersion cavities 41, which are filled with low-density elastic particles 42. When the optical fiber jumper is bent, the particles move freely to effectively disperse the stress, reduce the stress concentration inside the sheath, and enhance the overall anti-bending ability.

[0033] In some embodiments, the outer wall of the elastic sheath 6 is paved with a self-repairing layer 7, and the self-repairing layer 7 is made of a polymer material of multi-walled carbon nanotubes.

[0034] It should be noted that the elastic sheath 6 is the outermost layer, which further provides protection. Its outer wall is paved with a self-repairing layer 7 made of a polymer material of multi-walled carbon nanotubes, which can self-repair after slight damage, thereby extending the service life of the optical fiber jumper.

[0035] In some embodiments, the microspheres of the polyurethane foam microsphere layer 5 are filled with gaseous inert gas 51.

[0036] It should be noted that the microbeads in the polyurethane foam microbead layer 5 are filled with gaseous inert gas 51, which significantly improves the compression elasticity, ensures that it can quickly recover to its original state when subjected to external pressure, and effectively prevents the optical fiber jumper from being permanently deformed due to long-term pressure.

[0037] In some embodiments, the high elastic sheath 4 is made of thermoplastic polyurethane material. The reinforcing sleeve 3 is made of carbon fiber composite material.

[0038] It should be noted that the high elastic sheath 4 is made of thermoplastic polyurethane material, which has excellent elasticity and wear resistance. The reinforcing sleeve 3 is made of carbon fiber composite material, which provides high-strength support and protection and effectively resists external physical impact.

[0039] Working principle: The micro-bend sensitive material layer is close to the optical fiber body and can keenly sense the external tiny bends. Through the change of the physical properties of the material, it is fed back to the control system to adjust the optical fiber position in time to avoid signal attenuation caused by excessive bending. The reinforcing sleeve 3 is made of carbon fiber composite material, which provides rigid support for the optical fiber body, effectively resists external physical shock and pressure, and reduces the risk of the optical fiber body breaking due to direct external force. The stress dispersion cavity 41 provided in the high elastic sheath 4 is filled with low-density elastic particles 42. When the optical fiber jumper is bent, the elastic particles move freely in the cavity, absorb and disperse stress, reduce the stress concentration inside the high elastic sheath, thereby reducing the local stress on the optical fiber body and enhancing the overall anti-bending performance.

[0040] The inert gas 51 filled inside the microbeads of the polyurethane foam microbead layer 5 gives the polyurethane foam microbead layer excellent compression elasticity. When subjected to external pressure, the microbead layer can quickly absorb and release the pressure, and then quickly return to its original state, preventing the optical fiber jumper from permanent deformation due to continuous pressure, and maintaining the signal transmission quality of the optical fiber. Double protection of the elastic sheath 6 and the self-repairing layer 7: The elastic sheath provides additional physical protection, and the self-repairing layer is made of a polymer material of multi-walled carbon nanotubes, which can self-repair after slight damage to the surface, maintaining the integrity and function of the optical fiber jumper and extending its service life.

[0041] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An anti-break optical fiber jumper, characterized in that: The invention comprises a microbend-sensitive material layer (2) arranged on the surface of an optical fiber body (1); a reinforcing sleeve (3) is arranged on the outer wall of the microbend-sensitive material layer (2); a high-elastic sheath (4) is arranged on the outer side of the reinforcing sleeve (3); an elastic sheath (6) is arranged on the outer side of the high-elastic sheath (4); and an anti-fracture polyurethane foam microbead layer (5) is arranged between the high-elastic sheath (4) and the elastic sheath (6).

2. The anti-breakage optical fiber jumper according to claim 1, characterized in that: The inner wall of the high-elasticity sheath (4) is provided with a plurality of strip-shaped stress dispersion cavities (41).

3. The anti-breakage optical fiber jumper according to claim 2, characterized in that: The stress dispersion cavity (41) is filled with low-density elastic particles (42).

4. The anti-breakage optical fiber jumper according to claim 1, characterized in that: The outer wall of the elastic sheath (6) is provided with a self-repairing layer (7), and the self-repairing layer (7) is made of a polymer material of multi-walled carbon nanotubes.

5. The anti-breakage optical fiber jumper according to claim 1, characterized in that: The microbeads of the polyurethane foam microbead layer (5) are filled with gaseous inert gas (51).

6. The anti-breakage optical fiber jumper according to claim 1, characterized in that: The high elastic sheath (4) is made of thermoplastic polyurethane material.

7. The anti-breakage optical fiber jumper according to claim 1, characterized in that: The reinforcing sleeve (3) is made of carbon fiber composite material.

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