A bio-resistant optical cable with a frame structure

Abstract

This invention belongs to the field of optical communication and discloses a bio-resistant optical cable with a frame structure, comprising a cable core component, a protective component, surrounding reinforcements, a third protective layer, and an outer sheath. The cable core component consists of a cable core, a first protective layer, and a second protective layer. The first protective layer covers the outside of the cable core, and the second protective layer covers the outside of the first protective layer. Optical fibers are contained within the cable core. The protective component consists of an outer protective layer, an inner protective layer, and multiple connecting components. The protective component is an integrated frame structure. The outer protective layer and the inner protective layer are connected by connecting components. The surrounding reinforcements are located within the outer and inner protective layers. The cable core component is located within the central cavity of the inner protective layer and is tightly attached to it. The third protective layer covers the protective component, and the outer sheath covers the third protective layer. This application achieves rodent and ant prevention through a multi-layer structure and a rodent-adhesive structure. This invention has the following main beneficial technical effects: simple structure, easy to manufacture, good environmental performance, and excellent rodent-proof performance.

Description

Technical Field

[0001] This invention belongs to the field of optical communication technology, and in particular discloses a biological-resistant optical cable with a frame structure and its manufacturing method. This invention can be used in multiple industries such as optical computing, fiber optic sensing, and smart grids. Background Technology

[0002] Optical fiber cables, as a carrier of high-speed wired communication, are being used increasingly. The core of an optical fiber cable is the optical fiber itself, and all other components within the cable are designed to protect it. However, after being laid indoors or outdoors, optical fibers are frequently gnawed, bitten, or chewed by various toothed animals, which can severely disrupt communication and cause incalculable economic losses. Therefore, researchers in this field have conducted extensive research to prevent damage from rodents and ants.

[0003] CN107065088A discloses a rodent-proof optical cable, its preparation method, and the outer sheath material of the rodent-proof optical cable. The rodent-proof optical cable includes a cable core, which is formed by twisting together a central reinforcing member and several bundled tubes surrounding the reinforcing member, and several optical fibers are arranged inside the bundled tubes. A steel strip is wrapped around the cable core, and an outer sheath is extruded on the outermost layer of the cable core. The stainless steel strip is a rolled stainless steel strip with a rolled edge width of 5mm and a height of 2.5mm. Hot melt adhesive is injected at the overlap of the rolled steel strip before multiple stainless steel wires with a diameter of 0.4mm are wrapped around the rolled stainless steel strip. Its outer sheath has wear-resistant, ultra-low smoke, halogen-free, and rodent-repellent effects. The outer sheath material includes the following parts by weight. The composition includes: 25-35 parts modified high molecular weight polyethylene, 3-6 parts polyphenyl sulfone resin, 9-13 parts thermoplastic polyurethane elastomer, 1-2 parts a mixture of pentylene ester and triphosphite, 2-4 parts carbon black masterbatch, 0.5-1 part rheology modifier, 1-3 parts stearic acid, 0.5-1.5 parts zinc stearate, 3-5 parts diatomaceous earth, 1-3 parts β-type hemihydrate gypsum, 2-4 parts silica, 1-3 parts asbestos fiber, and 5-6 parts rhododendron pollen. The rheology modifier specifically comprises 8%-60% of at least one monomer with a carboxyl functional group, 40%-92% acrylamide, and 0%-5% phosphorus atoms, with the total amount of monomer, acrylamide, and phosphorus atoms being 100%. However, it suffers from drawbacks such as overly complex chemical composition, very slow processing speed for rolled stainless steel strips with a width of 5mm and a height of 2.5mm, less than ideal actual rodent and ant repellency, and complex manufacturing process.

[0004] CN101661142A discloses a rodent-proof reinforcing yarn for optical cables and its preparation method. The rodent-proof reinforcing yarn is composed of 76.8–83.2 wt% ECR glass fiber yarn, 16–22 wt% EVA hot melt adhesive, and 0.8–1.2 wt% capsaicin. However, the production of capsaicin causes significant environmental pollution, and its rodent-proof performance is not ideal.

[0005] CN221883959U discloses a rodent-resistant optical cable including a protective sleeve. The protective sleeve has a long groove circumferentially formed on its surface, and a protective groove above the long groove. A rodent-resistant layer is fixedly installed inside the protective sleeve. A hollow capsule is fixedly installed inside the rodent-resistant layer. A reinforcing layer is fixedly installed inside the hollow capsule. A waterproof layer is fixedly installed inside the reinforcing layer. In this rodent-resistant optical cable, during the manufacturing process, a certain amount of rodent-repelling or poisoning agent can be added inside the hollow capsule. When underground rats gnaw on the optical cable, the agent stored inside the hollow capsule enters the rat's body, thus repelling or poisoning it. The waterproof layer provides waterproofing, and the insulation layer provides insulation, thus achieving multiple layers of protection for the optical cable. However, the rodent-repelling agent inside the hollow capsule is insufficient to achieve the desired effect. The rodent-poisoning agent, after being ingested by the rats, causes further environmental pollution.

[0006] Therefore, the existing mechanical and physical methods of rodent control and chemical methods of rodent control in the optical cable industry need to be further improved. Summary of the Invention

[0007] To address the aforementioned problems, the present invention aims to disclose an anti-biological optical cable with a frame structure and its manufacturing method, which are achieved through the following technical solutions.

[0008] A bio-resistant optical cable with a frame structure includes a core component, a protective component, multiple peripheral reinforcements, a third protective layer, and an outer sheath. The core component consists of a core, a first protective layer, and a second protective layer. The first protective layer covers the core, and the second protective layer covers the first protective layer. The core contains at least one optical fiber. The protective component consists of an outer protective layer, an inner protective layer, and multiple connecting components. The protective component is an integrated frame structure. The outer protective layer and the inner protective layer are connected by connecting components. The peripheral reinforcements are located within the outer and inner protective layers. The core component is located within the central cavity of the inner protective layer and is in close contact with it. The third protective layer covers the protective component, and the outer sheath covers the third protective layer. The first protective layer is a rodent-proof layer. The material of the first protective layer is glass fiber reinforced plastic, wherein the glass fiber content is not less than 80%, the glass fiber distribution uniformity is not less than 95%, and the length of the glass fiber is not greater than 0.3 mm.

[0009] The aforementioned anti-biological optical cable with a frame structure has a third protective layer of sticky mouse cardboard. The third protective layer is spirally wrapped around the protective component, and there is an overlap between adjacent spirals. The width of the overlap is 2-6mm. The sticky mouse cardboard is composed of a first adhesive paper, sticky mouse glue, and a second adhesive paper, with the sticky mouse glue located between the first adhesive paper and the second adhesive paper.

[0010] The mouse glue is MIEBOSHI mouse glue, or the glue used in the "Micro Tiger Powerful Upgrade Mouse Sticky Board"; both the first and second adhesive papers are water and oil impermeable.

[0011] The aforementioned anti-biological optical cable with a frame structure has an outer protective layer consisting of multiple outer sheaths and multiple outer connecting strips. Each outer sheath is connected to an outer connecting strip on both sides. The outer sheath has an external hole that runs through the front and back. The outer protective layer is a closed structure as a whole and is an integral structure. The outer protective layer is located on the outermost layer of the protective components.

[0012] The aforementioned anti-biological optical cable with a frame structure has an inner protective layer composed of multiple inner tubes and multiple inner connecting strips. Each inner tube has an inner connecting strip connected to both sides. The inner tube has a through hole running from front to back. The inner protective layer has an inner cavity in the center. The inner protective layer is a closed structure as a whole. The inner protective layer is an integral structure and is located at the innermost layer of the protective components.

[0013] The aforementioned bio-resistant optical cable with a frame structure has a connecting component that connects the outer protective layer and the inner protective layer together, forming an outer sheath and an inner sheath.

[0014] The aforementioned anti-biological optical cable with a frame structure has an outer cavity formed between two adjacent connecting parts. From the outside of the protective part to the center of the protective part, the outer sleeve between the two adjacent connecting parts covers the inner connecting strip between the two adjacent inner sleeves.

[0015] The aforementioned anti-biological optical cable with a frame structure has an outer cavity filled with rodent-proof material; the filling degree of the rodent-proof material in the outer cavity is not less than 98%, and the rodent-proof material is iron filings, glass powder, fiberglass, or glass fiber yarn with a length of less than 0.3 mm.

[0016] The aforementioned bio-resistant optical cable with a frame structure forms a first plane between the central axis of the protective component and the central axis of the outer sheath. Each outer sheath has an externally protruding strip, and each externally protruding strip is symmetrical about the first plane of the outer sheath. The externally protruding strip is located between the outer protective layer and the inner protective layer. Each first plane passes through the central axis of an inner sheath. Each inner sheath has an externally protruding strip, and each internally protruding strip is symmetrical about the first plane of the inner sheath. The internally protruding strip is located between the outer protective layer and the inner protective layer. Each internally protruding strip has a snap-fit ​​groove at its top. The externally protruding strip can be completely snapped into the snap-fit ​​groove and completely fill the space of the snap-fit ​​groove. One externally protruding strip and one snap-fit ​​groove combine to form a connecting component.

[0017] The aforementioned bio-resistant optical cable with a frame structure has an annular cavity inside the outer protective layer. The annular cavity is located inside the outer jacket and the outer connecting strip. The annular cavity is fully or partially continuous, meaning that it connects adjacent outer holes, and there are also cavities between the outer holes.

[0018] The aforementioned bio-resistant optical cable with a frame structure has a ring cavity filled with rodent-adhesive material.

[0019] A method for manufacturing the above-described bio-resistant optical cable with a frame structure includes the following steps:

[0020] Step 1: Manufacturing the cable core components: First, manufacture the cable core, take the first protective layer and cover it with the cable core, and firmly bond the joints of the first protective layer. Then, cover the second protective layer with molten plastic. The thickness of the first protective layer is not less than 3mm.

[0021] Step 2: Manufacturing the protective components: Take the inner protective layer, outer protective layer, and surrounding reinforcement; embed the surrounding reinforcement into the inner hole of the inner protective layer and the outer hole of the outer protective layer; fill the annular cavity of the outer protective layer with rodent-adhesive material; rotate the outer protrusion to fully engage with the corresponding snap-fit ​​groove, and tightly connect the outer protrusion with the corresponding snap-fit ​​groove to form a connecting component, so that the inner protective layer, connecting component, and outer protective layer are combined to form an integrated frame structure; fill the outer cavity with rodent-proof material, and ensure that the filling degree of rodent-proof material in the outer cavity is not less than 98%; the overall thickness of the protective component is greater than 5mm;

[0022] Step 3: Manufacturing semi-finished products: Take the cable core component manufactured in step 1 and pass it through the inner cavity of the protective component to form a semi-finished product;

[0023] Step 4: Manufacturing the finished product: Take the semi-finished product and pass it through the pre-forming mold of the third protective layer to form a covered semi-finished product. Further pull the covered semi-finished product and pass it through the core of the extruder head of the sheath extruder head. Molten plastic is extruded between the core of the sheath extruder head and the mold sleeve and covers the covered semi-finished product. Then, pull it through the cooling water tank to form a finished anti-biological optical cable with a frame structure, thus completing the manufacturing of the anti-biological optical cable with a frame structure.

[0024] The present application has the following main beneficial technical effects: simple structure, easy to manufacture, good environmental performance, and excellent rodent-proof performance. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of a dissected three-dimensional structure for Example 1.

[0026] Figure 2 for Figure 1 Enlarged cross-sectional structural diagram.

[0027] Figure 3for Figure 1 A three-dimensional structural diagram of a section of the protective components used in the study.

[0028] Figure 4 for Figure 3 A schematic diagram of the cross-sectional structure after removing the surrounding reinforcing members.

[0029] Figure 5 This is a schematic diagram of the cross-sectional structure related to the protective component used in Implementation Example 2.

[0030] Figure 6 This is a schematic diagram of the cross-sectional structure related to the protective component used in Example 3. Detailed Implementation

[0031] To enable those skilled in the art to better understand and implement this patent, the markings in the accompanying drawings are explained in detail below.

[0032] In the diagram: 1—Central reinforcement, 2—Loose tube, 3—Fiber optic cable, 4—First protective layer, 5—Second protective layer, 6—Protective component, 7—Surrounding reinforcement, 8—Third protective layer, 9—Outer protective layer, 61—Outer protective layer, 62—Inner protective layer, 63—Connecting component, 610—Outer cavity, 611—Outer sleeve, 612—Outer connecting strip, 613—Outer protruding strip, 614—Annular cavity, 6110—Outer hole, 620—Inner cavity, 621—Inner sleeve, 622—Inner connecting strip, 6210—Inner hole, 623—Inner protruding strip, 6230—Snap-fit ​​groove.

[0033] The organisms referred to in this application are small animals such as rats and ants that have the ability to bite, gnaw, or gnaw.

[0034] Implementation Example 1: Please see Figures 1 to 4 A bio-resistant optical cable with a frame structure includes a cable core component, a protective component 6, multiple surrounding reinforcing members 7, a third protective layer 8, and an outer sheath 9. The cable core component consists of a cable core, a first protective layer 4, and a second protective layer 5. The first protective layer 4 covers the cable core, and the second protective layer 5 covers the first protective layer 4. The cable core consists of a central reinforcing member 1 and multiple loose tubes 2 twisted around the central reinforcing member 1. Each loose tube 2 contains at least one optical fiber 3.

[0035] The protective component 6 consists of an outer protective layer 61, an inner protective layer 62, and multiple connecting components 63. The protective component 6 is an integral structure.

[0036] The outer protective layer 61 is composed of multiple outer sleeves 611 and multiple outer connecting strips 612. Each outer sleeve 611 has an outer connecting strip 612 connected to both sides. The outer sleeve 611 has an external hole 6110 that runs through the front and back. The outer protective layer 61 is a closed structure as a whole. The outer protective layer 61 is an integral structure. The outer protective layer 61 is located at the outermost layer of the protective component 6.

[0037] The inner protective layer 62 is composed of multiple inner sleeves 621 and multiple inner connecting strips 622. Each inner sleeve 621 has an inner connecting strip 622 connected to both sides. The inner sleeve 621 has an inner hole 6210 that runs through the front and back. The inner protective layer 62 has an inner cavity 620 in the center. The inner protective layer 62 is a closed structure as a whole. The inner protective layer 62 is an integral structure and is located in the innermost layer of the protective component 6.

[0038] The connecting component 63 connects the outer sleeve 611 and the inner sleeve 621 that are close to each other between the outer protective layer 61 and the inner protective layer 62.

[0039] An outer cavity 610 is formed between two adjacent connecting parts 63, extending from the outside of the protective part 6 to the center of the protective part 6. The outer sleeve 611 between the two adjacent connecting parts 63 covers the inner connecting strip 622 between the two adjacent inner sleeves 621.

[0040] The surrounding reinforcement 7 is located inside the inner hole 6210 and the outer hole 6110. The surrounding reinforcement 7 is tightly engaged with the inner hole 6210 and the outer hole 6110. The cable core component is located inside the inner cavity 620. The cable core component is in close contact with the inner sleeve 621. The third protective layer 8 covers the protective component 6, and the outer sheath 9 covers the third protective layer 8.

[0041] Implementation Example 2: Please see Figure 5 and refer to Figures 1 to 4 A bio-resistant optical cable with a frame structure, basically the same as Embodiment 1, except that: the central axis of the protective component 6 and the central axis of the outer sheath 611 form a first plane; each outer sheath 611 has an externally projecting strip 613, and each externally projecting strip 613 is symmetrical about the first plane of the outer sheath 611 where it is located; the externally projecting strip 613 is located between the outer protective layer 61 and the inner protective layer 62; each first plane passes through the central axis of an inner sheath 621, and the outer side of each inner sheath 621... Each inner protrusion 623 has an inner protrusion 623, and each inner protrusion 623 is symmetrical about the first plane of the inner sleeve 621 in which the inner protrusion 623 is located. The inner protrusion 623 is located between the outer protective layer 61 and the inner protective layer 62. Each inner protrusion 623 has a snap-fit ​​groove 6230 at its top. The outer protrusion 613 can be completely snapped into the snap-fit ​​groove 6230 and completely fill the space of the snap-fit ​​groove 6230. One outer protrusion 613 and one snap-fit ​​groove 6230 are combined to form a connecting component 63.

[0042] In this embodiment, the protective component 6 is an integral structure formed by combining the outer protective layer 61, the inner protective layer 62, and the connecting component 63. During production, the outer protective layer 61 and the inner protective layer 62 can be separate structures.

[0043] In the two implementation examples above, the outer connecting strip 612 and the inner connecting strip 622 can be dense mesh structures or solid structures, such as steel wire mesh, steel sheets or alloy sheets that are tightly packed to a sufficiently small size. They are integrated with the corresponding outer protective layer 61 and inner protective layer 62 by welding. The connecting component 63 is made of a sufficiently hard material, which can also be welded or formed integrally.

[0044] Implementation Example 3: Please see Figure 6 and refer to Figures 1 to 5 A biological-resistant optical cable with a frame structure is basically the same as Embodiment 1 and Embodiment 2, except that: the outer protective layer 61 has an annular cavity 614 inside, the annular cavity 614 is located inside the outer jacket tube 611 and the outer connecting strip 612, the annular cavity 614 is fully or partially through, through means that it connects adjacent outer holes 6110, and there is also a cavity between the outer holes 6110.

[0045] In this embodiment, the annular cavity 614 is filled with mouse-sticking material.

[0046] The aforementioned rat-sticking material is rat glue, which is the rat glue used in existing technology, such as the rat glue coated on rat-stick boards sold on Pinduoduo or Taobao APP, for example, the rat glue of the brand: MIEBOSHI, or the adhesive used in the name: Weishenhu Powerful Upgraded Rat Sticky Board, or the entire rat-stick board, or rat-stick boards broken up and filled with it. The rat-stick boards with the above names can be purchased on Pinduoduo and Taobao APP; other similar ones, as long as they can achieve the corresponding functions and effects, are also acceptable.

[0047] In any of the above embodiments, the frame-structured anti-biological optical cable has an outer cavity 610 filled with rodent-proof material; the filling degree of the rodent-proof material in the outer cavity 610 is not less than 98%.

[0048] The aforementioned frame-structured anti-biological optical cable uses iron filings, glass powder, fiberglass, or fiberglass yarn with a length of less than 0.3 mm, or a mixture of at least two of the above materials as the anti-rodent material.

[0049] In any of the above embodiments, the first protective layer 4 of the frame-structured anti-biological optical cable is a rodent-proof layer.

[0050] Furthermore, in any of the above embodiments, the first protective layer 4 of the bio-resistant optical cable with a frame structure is made of glass fiber reinforced plastic, wherein the glass fiber content is not less than 80%, the glass fiber distribution uniformity is not less than 95%, and the length of the glass fiber is not greater than 0.3 mm.

[0051] In any of the above embodiments, the second protective layer 5 of the bio-resistant optical cable with a frame structure is made of plastic.

[0052] In any of the above embodiments, the material of the central reinforcing member 1 of the frame-structured anti-biological optical cable is steel wire, iron wire, aluminum wire, or glass fiber reinforced plastic rod.

[0053] In any of the above embodiments, the material of the loose tube 2 of the frame-structured anti-biological optical cable is modified polypropylene or polybutylene terephthalate.

[0054] In any of the above embodiments, the anti-biological optical cable with a frame structure, optical fiber 3 is either single-mode or multi-mode.

[0055] In any of the above embodiments, the anti-biological optical cable with a frame structure has a surrounding reinforcing member 7 made of steel wire, iron wire, aluminum wire, or glass fiber reinforced plastic rod.

[0056] In any of the above embodiments, the third protective layer 8 of the frame-structured anti-biological optical cable is made of glass fiber reinforced plastic tape or steel tape.

[0057] In any of the above embodiments, the outer sheath 9 of the bio-resistant optical cable with a frame structure is made of plastic.

[0058] A method for manufacturing the above-described bio-resistant optical cable with a frame structure includes the following steps:

[0059] Step 1: Manufacturing the cable core components: First, manufacture the cable core, take the first protective layer and cover it with the cable core, and firmly bond the joints of the first protective layer. Then, cover the second protective layer with molten plastic. The thickness of the first protective layer is not less than 3mm.

[0060] Step 2: Manufacturing the protective components: Take the inner protective layer, outer protective layer, and surrounding reinforcement; embed the surrounding reinforcement into the inner hole of the inner protective layer and the outer hole of the outer protective layer; fill the annular cavity of the outer protective layer with rodent-adhesive material; rotate the outer protrusion to fully engage with the corresponding snap-fit ​​groove, and tightly connect the outer protrusion with the corresponding snap-fit ​​groove to form a connecting component, so that the inner protective layer, connecting component, and outer protective layer are combined to form an integrated frame structure; fill the outer cavity with rodent-proof material, and ensure that the filling degree of rodent-proof material in the outer cavity is not less than 98%; the overall thickness of the protective component is greater than 5mm;

[0061] Step 3: Manufacturing semi-finished products: Take the cable core component manufactured in step 1 and pass it through the inner cavity of the protective component to form a semi-finished product;

[0062] Step 4: Manufacturing the finished product: Take the semi-finished product and pass it through the pre-forming mold of the third protective layer to form a covered semi-finished product. Further pull the covered semi-finished product and pass it through the core of the extruder head of the sheath extruder head. Molten plastic is extruded between the core of the sheath extruder head and the mold sleeve and covers the covered semi-finished product. Then, pull it through the cooling water tank to form a finished anti-biological optical cable with a frame structure, thus completing the manufacturing of the anti-biological optical cable with a frame structure.

[0063] As a further improvement, in this application, the protective component 6 may have at least one intermediate protective layer between the outer protective layer 61 and the inner protective layer 62, and the adjacent layers of the outer protective layer 61, the intermediate protective layer and the inner protective layer 62 are connected by the connecting component 63. After manufacturing, the protective component 6 is an integral structure.

[0064] In this application, the cable core component is not limited to that in Implementation Example 1, and can be in other forms, as long as it contains at least one optical fiber. For example, the cable core can be a sleeve with an optical fiber or optical fiber ribbon inside; the cable core can also have at least one optical fiber ribbon inside a loose tube 2, with an optical fiber inside the optical fiber ribbon; the cable core can also have at least one loose tube 2, with other loose tubes replaced by filler rope; it can even be a tight-buffered or single flexible optical cable; and there can also be several protective layers between the second protective layer 5 and the cable core.

[0065] Similarly, in this application, there may be more protective layers between the protective component 6 and the outer protective layer 9.

[0066] In this application, the thickness of the first protective layer 4 is at least 3 mm; such a thick first protective layer, and the material of the first protective layer, makes it easy to penetrate into the flesh and teeth of animals, causing severe pain, making it difficult for rodents and ants to persist in gnawing at the cable core, thus providing better protection for the cable core and optical fiber.

[0067] In this application, the protective component 6 is formed by the outer protective layer 61, the connecting component 63, and the inner protective layer 62. The protective component 6 has a relatively thick thickness and actually forms a rigid frame structure. Rodents and ants need to gnaw through the outer sleeve 611 or the outer connecting strip 612, the inner sleeve 621 or the inner connecting strip 622, and the rodent-proof material filled in the outer cavity 610 before they can reach the cable core component. Therefore, excellent rodent-proof performance is achieved through a rigid frame structure with sufficient thickness.

[0068] In this application, a novel method of rodent control is achieved by filling the annular cavity 614 with sticky rat material. Tests have shown that even when laid flat indoors or outdoors, the sticky material's excellent adhesion ensures that rats will be stuck after climbing on it or biting into it. Even rats as long as 40cm can be easily stuck. Even larger rats, after biting, develop a memory effect due to the adhesion. After use and testing in mountainous areas with many rats, and with cameras installed along the cable's direction for monitoring, the cable showed no signs of damage or breakage of the protective components 6 for 269 consecutive days. For ants, they are essentially stuck after biting and cannot move. Therefore, the design requirements are fully met.

[0069] The peripheral reinforcement in this application, compared to the structure of the central loose tube optical cable in the prior art, such as GYXTY and GYXTS, does not require twisting, thus enabling faster production and saving on equipment, labor, and space investment.

[0070] As a further improvement, in this application, the inner and outer protective layers can also have a spiral structure in the same direction, which can make its anti-bite performance even better.

[0071] In this application, the third protective layer, made of a hard material, serves as the first rodent-proof layer. It can be a closed pipe structure, such as welded steel strip joints. The protective component is a frame, serving as the second rodent-proof layer. On the one hand, it prevents rodents from biting through its hardness; on the other hand, its sufficient thickness prevents rodents from biting through its limited gnawing ability, causing them to give up. In addition, it also provides protection with rodent-proof materials and creatively uses sticky rodent-proof materials to adhere to the rodents. Furthermore, the first protective layer also has excellent rodent-proof properties. Through the combination of the above, a very ideal rodent-proof effect is achieved.

[0072] As a further simplification and improvement, the present application provides a frame structure-based anti-biological optical cable with a cable core component, the cable core component being covered with a rodent-adhesive material, and the rodent-adhesive material being covered with an outer sheath.

[0073] Furthermore, a wrapping layer to prevent the sticky material from spilling out is provided between the sticky material and the outer sheath. This wrapping layer is made of water-blocking tape, non-woven fabric, or polyester tape and is spirally wrapped around the sticky material. There is an overlap between the front and rear spirals of the wrapping layer, with the rear spiral covering the front spiral by at least 3mm. Moreover, the sticky material is a pre-existing sticky cardboard, composed of a first adhesive paper, sticky glue, and a second adhesive paper. The sticky cardboard is longitudinally or spirally wrapped around the cable core component. The strong adhesion of the sticky material achieves an ideal rodent-repellent effect.

[0074] As a further improvement, this application is not limited to optical cables, but can also be used in electrical cables, i.e., the cable core components have conductive components, or even have both optical fibers and conductive components.

[0075] As a variation and improvement, the annular cavity in this application may be located only inside the outer connecting strip 612, that is, each outer connecting strip 612 has an annular cavity filled with mouse glue.

[0076] Of course, as a further improvement, the inner connecting strip 622 can also have an annular cavity, which is also filled with mouse glue.

[0077] In this application, the percentage content of solid substances is expressed as a weight percentage.

[0078] The present application has the following main beneficial technical effects: simple structure, easy to manufacture, good environmental performance, and excellent rodent-proof performance.

[0079] This application can be used as a smart sensor or smart sensing element; since it can transmit voice and images, it can also be used as a physical sensor, such as a voice sensor or an image sensor; since it transmits light signals through the principle of total internal reflection, it can also be used as a distance sensor; the optical fiber in this application is itself an optical waveguide, so it can be used as an optical waveguide, such as an arrayed optical waveguide or a diffractive optical waveguide; this application can also be used in the field of optical computing, as part of optical chip computing, optical computing, optical network computing, and optical computing.

[0080] The above embodiments are merely preferred technical solutions of the present invention and should not be considered as limitations on the present invention. The scope of protection of the present invention should be limited to the technical solutions described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A bio-resistant optical cable with a frame structure, comprising a cable core component, a protective component, multiple surrounding reinforcements, a third protective layer, and an outer sheath; the cable core component consists of a cable core, a first protective layer, and a second protective layer, the first protective layer covering the cable core, the second protective layer covering the first protective layer, and the cable core containing at least one optical fiber, characterized in that: The protective component consists of an outer protective layer, an inner protective layer, and multiple connecting components. The protective component is an integrated frame structure. The outer protective layer and the inner protective layer are connected by these connecting components. The cable core component is located within the central cavity of the inner protective layer, and is tightly fitted to it. A third protective layer covers the protective component, and the outer protective layer covers the third protective layer. The first protective layer is a rodent-proof layer made of glass fiber reinforced plastic, with a glass fiber content of not less than 80%, a glass fiber distribution uniformity of not less than 95%, and a glass fiber length not exceeding 0.3 mm. The third protective layer is a rodent-adhesive cardboard layer, spirally wrapped around the protective component. Adjacent spirals overlap with a width of 2-6 mm. The outer protective layer consists of a first adhesive paper, a mouse glue, and a second adhesive paper, with the mouse glue located between the first and second adhesive papers. The outer protective layer comprises multiple outer sleeves and multiple outer connecting strips, with an outer connecting strip connected to both sides of each outer sleeve. The outer sleeves have a through-hole running from front to back, and the entire outer protective layer is a closed, one-piece structure. The inner protective layer comprises multiple inner sleeves and multiple inner connecting strips, with an inner connecting strip connected to both sides of each inner sleeve. The inner sleeves have a through-hole running from front to back, and the inner protective layer has an inner cavity in the center. The entire inner protective layer is a closed structure. Both the inner and outer protective layers are one-piece structures. Connecting components connect the outer and inner sleeves that are close together between the outer and inner protective layers. Surrounding reinforcements are located within the inner and outer holes.

2. The anti-biological optical cable with a frame structure according to claim 1, characterized in that: An outer cavity is formed between two adjacent connecting parts, extending from the outside of the protective part to the center of the protective part. The outer sleeve between the two adjacent connecting parts covers the inner connecting strip between the two adjacent inner sleeves.

3. The anti-biological optical cable with a frame structure according to claim 2, characterized in that: The outer cavity is filled with rodent-proof material; the filling degree of the rodent-proof material in the outer cavity is not less than 98%, and the rodent-proof material is iron filings, glass powder, fiberglass, or glass fiber yarn with a length of less than 0.3mm.

4. The anti-biological optical cable with a frame structure according to claim 3, characterized in that: The central axis of the protective component and the central axis of the outer sleeve form a first plane. Each outer sleeve has an external protrusion strip, and each external protrusion strip is symmetrical about the first plane of the outer sleeve. The external protrusion strip is located between the outer protective layer and the inner protective layer. Each inner sleeve has an external internal protrusion strip, and each internal protrusion strip is symmetrical about the first plane of the inner sleeve. The internal protrusion strip is located between the outer protective layer and the inner protective layer. The top of each internal protrusion strip has a snap-fit ​​groove. The external protrusion strip can be completely snapped into the snap-fit ​​groove and completely fill the space of the snap-fit ​​groove. One external protrusion strip and one snap-fit ​​groove are combined to form a connecting component. The first plane of the outer sleeve where each external protrusion strip snaps into the snap-fit ​​groove passes through the central axis of an inner sleeve.

5. The anti-biological optical cable with a frame structure according to claim 4, characterized in that: The outer protective layer has an annular cavity inside, which is located inside the outer sleeve and the outer connecting strip. The annular cavity is fully or partially continuous, meaning that it connects adjacent outer holes, and there are also cavities between the outer holes.

6. The anti-biological optical cable with a frame structure according to claim 5, characterized in that: The annular cavity is filled with mouse-sticking material.

7. A method for manufacturing the anti-biological optical cable with a frame structure as described in claim 5, characterized in that... It includes the following steps: Step 1: Manufacturing the cable core components: First, manufacture the cable core, take the first protective layer and cover it with the cable core, and firmly bond the joints of the first protective layer. Then, cover the first protective layer with molten plastic. The thickness of the first protective layer is not less than 3mm. Step 2: Manufacturing the protective components: Take the inner protective layer, outer protective layer, and surrounding reinforcement; embed the surrounding reinforcement into the inner hole of the inner protective layer and the outer hole of the outer protective layer; fill the annular cavity of the outer protective layer with rodent-adhesive material; rotate the outer protrusion to fully engage with the corresponding snap-fit ​​groove, and tightly connect the outer protrusion with the corresponding snap-fit ​​groove to form a connecting component, so that the inner protective layer, connecting component, and outer protective layer are combined to form an integrated frame structure; fill the outer cavity with rodent-proof material, and ensure that the filling degree of rodent-proof material in the outer cavity is not less than 98%; the overall thickness of the protective component is greater than 5mm; Step 3: Manufacturing semi-finished products: Take the cable core component manufactured in step 1 and pass it through the inner cavity of the protective component to form a semi-finished product; Step 4: Manufacturing the finished product: Take the semi-finished product and pass it through the pre-forming mold of the third protective layer to form a covered semi-finished product. Further pull the covered semi-finished product and pass it through the core of the extruder head of the sheath extruder head. Molten plastic is extruded between the core of the sheath extruder head and the mold sleeve and covers the covered semi-finished product. Then, pull it through the cooling water tank to form a finished anti-biological optical cable with a frame structure, thus completing the manufacturing of the anti-biological optical cable with a frame structure.

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