Flexible nonmetal rat-proof optical cable
By introducing reinforcements, water-blocking materials and glass fiber fillers with capsicin into flexible non-metallic optical cables, the problem of insufficient anti-rat performance of existing non-metallic optical cables is solved, and better anti-rat effect and mechanical properties are achieved.
Patent Information
- Application Number
- CN202421866996.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-03
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-03
AI Technical Summary
The physical rat-proof performance of existing non-metallic optical cables is weak and cannot replace the hardness and rat-proof effect of metal armored optical cables.
A flexible non-metal rat-proof optical cable was designed to form a multi-layer structure to improve rat-proof performance by providing reinforcement, water-blocking material and glass fiber filler with capsicin in the main body of the optical cable.
The flexibility and good mechanical properties of the optical cable are achieved. At the same time, the design of sausage and glass fibers is significantly improved, the anti-rat effect is avoided, and the odor emitted when rats are gnawed is extended, and the durability of the anti-rat effect is extended.
Smart Images

Figure CN223022431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical cables, in particular to a flexible non-metallic rat-proof optical cable. Background Art
[0002] In certain scenarios, non-metallic optical cables must be used. However, the non-metallic optical cables in the prior art are not as hard as metal-armored optical cables, and their physical rat-proof performance is relatively weak. Content of the Utility Model
[0003] (1) Technical Problems to be Solved
[0004] In view of the deficiencies of the prior art, the utility model provides a flexible non-metallic rat-proof optical cable to solve the above technical problems.
[0005] (2) Technical Solutions
[0006] To achieve the above object, the utility model provides the following technical solutions: a flexible non-metallic rat-proof optical cable, including an optical cable main body and optical fibers. A plurality of the optical fibers are placed outside and extruded into a loose tube. A water-blocking material is filled between the plurality of optical fibers and the loose tube to form an optical unit. A strengthening member is arranged at the central position of the optical cable main body. A plurality of optical units are stranded around the strengthening member to form a cable core. A plurality of water-blocking elements are also filled between the plurality of optical units and the strengthening member. The outer surface of the cable core is coated with a strengthening layer, and the outer surface of the strengthening layer is coated with a special-shaped sheath. A plurality of fillers are evenly arranged along the circumferential direction inside the special-shaped sheath.
[0007] Preferably, the optical fiber is a UV-cured colored optical fiber.
[0008] Preferably, the water-blocking material is fiber paste, water-blocking yarn or water-blocking powder, and the water-blocking element is cable paste or water-blocking yarn.
[0009] Preferably, the material of the loose tube is polybutylene terephthalate or modified polypropylene.
[0010] Preferably, the strengthening member is aramid or KFRP, and the material of the strengthening layer is aramid or fiberglass yarn.
[0011] Preferably, the filler is a non-metallic glass fiber or glass fiber yarn with capsaicin.
[0012] Preferably, the sheath is a sheath with multiple cavities where the inner and outer sheaths are connected together, and the filler is arranged in the cavities.
[0013] Compared with the prior art, the utility model provides a flexible non-metallic rat-proof optical cable, which has the following beneficial effects:
[0014] 1. In this utility model, the optical fiber is provided to enable the cable main body to transmit data. The tensile property of the cable main body can be ensured by the strengthening member. The longitudinal water seepage can be prevented by the water-blocking material and the water-blocking element. The flexibility of the cable main body can be ensured by the strengthening layer, which also provides a certain ability to prevent rat bites and good mechanical properties. And the glass fiber filler with capsaicin can provide a better anti-rat effect. When a rat chews through one of the cavities, the filler in the cavity will emit a spicy smell, and the spikes of the glass fiber will also stab the rat's mouth, making the rat have a certain fear. By enclosing the filler in the cavity of the sheath, no smell will be emitted during sealing, which can ensure a longer anti-rat effect. Description of the Drawings
[0015] Figure 1 is a schematic structural diagram of the cable main body of this utility model;
[0016] Figure 2 is a schematic internal structural diagram of the cable main body of this utility model.
[0017] Among them: 1. Cable main body; 2. Optical fiber; 3. Loose tube; 4. Water-blocking element; 5. Strengthening member; 6. Strengthening layer; 7. Filler; 8. Sheath; 9. Water-blocking material. Detailed Embodiment
[0018] The following further describes in detail the embodiments of this utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate this utility model, but cannot be used to limit the scope of this utility model.
[0019] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] In the description of this utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific situations.
[0021] Please refer to Figure 1-2 Figure 1-2 , a flexible non-metallic anti-rat optical cable, including an optical cable main body 1 and optical fibers 2. A number of optical fibers 2 are laid out and extruded into a loose tube 3. A water-blocking material 9 is filled between a number of optical fibers 2 and the loose tube 3 to form an optical unit. A strengthening member 5 is arranged at the central position of the optical cable main body 1. A number of optical units are stranded around the strengthening member 5 to form a cable core. A number of water-blocking elements 4 are also filled between a number of optical units and the strengthening member 5. The outer surface of the cable core is coated with a strengthening layer 6. The outer surface of the strengthening layer 6 is coated with a special-shaped sheath 8. A number of fillers 7 are evenly arranged along the circumferential direction in the special-shaped sheath 8.
[0022] The provided optical fibers 2 enable the optical cable main body 1 to transmit data. The strengthening member 5 can ensure the tensile performance of the optical cable main body 1. The water-blocking material 9 and the water-blocking elements 4 can prevent longitudinal water seepage. The strengthening layer 6 can ensure the flexibility of the optical cable main body 1 and provide a certain anti-rat bite ability and good mechanical properties. And the glass fiber filler 7 with capsaicin can provide a good anti-rat effect. When a rat gnaws through one of the cavities, the filler 7 in the cavity will emit a spicy smell, and the spikes of the glass fiber will also stab the mouth of the rat, making the rat have a certain fear. And by enclosing the filler 7 in the cavity of the sheath 8, no smell will be emitted during sealing, which can ensure a longer anti-rat effect.
[0023] Specifically, in this embodiment, the optical fiber 2 is a colored optical fiber 2 cured by UV.
[0024] Specifically, in this embodiment, the water-blocking material 9 is fiber paste or water-blocking yarn or water-blocking powder, and the water-blocking element 4 is cable paste or water-blocking yarn, which can prevent longitudinal water seepage of the optical cable main body 1, thereby ensuring the waterproof property of the optical cable main body 1.
[0025] Specifically, in this embodiment, the material of the loose tube 3 is polybutylene terephthalate or modified polypropylene, which can well protect the optical fiber 2.
[0026] Specifically, in this embodiment, the strengthening member 5 is aramid or KFRP, and the material of the strengthening layer 6 is aramid or glass yarn, which can well ensure the tensile performance of the optical cable main body 1 and the flexible performance of the optical cable main body 1.
[0027] Specifically, in this embodiment, the filler 7 is a non-metallic glass fiber or glass fiber yarn with capsaicin, and the sheath 8 is a sheath 8 with multiple cavities where the inner and outer layers of the sheath 8 are connected together. The filler 7 is arranged in the cavity. When a rat gnaws through one of the cavities, the filler 7 in the cavity will emit a spicy smell, and the spikes generated by the glass fiber in the filler 7 will also stab the mouth of the rat, making the rat have fear.
[0028] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A flexible non-metallic rat-proof optical cable, comprising an optical cable body and an optical fiber, characterized in that: Several optical fibers are laid out in an externally extruded loose tube, water-blocking material is filled between several optical fibers and the loose tube to form an optical unit, a reinforcement member is arranged at the center of the optical cable body, several optical units are twisted with the reinforcement member as the axis to form a cable core, several water-blocking elements are also filled between several optical units and the reinforcement member, the outer surface of the cable core is covered with a reinforcement layer, the outer surface of the reinforcement layer is covered with a special-shaped sheath, and several fillers are evenly arranged in the special-shaped sheath along the circumferential direction.
2. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The optical fiber is a colored optical fiber that has been UV-cured.
3. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The water-blocking material is fiber paste or water-blocking yarn or water-blocking powder, and the water-blocking element is cable paste or water-blocking yarn.
4. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The material of the loose tube is polybutylene terephthalate or modified polypropylene.
5. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The reinforcing member is made of aramid or KFRP, and the material of the reinforcing layer is made of aramid or glass yarn.
6. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The filler is non-metallic glass fiber or glass fiber yarn with capsicum.
7. The flexible non-metallic rat-proof optical cable according to claim 1, characterized in that: The sheath is a sheath with multiple cavities in which inner and outer sheaths are connected together, and fillers are arranged in the cavities.