CN113805295A - Anti-seismic and anti-compression optical cable and cable - Google Patents
Anti-seismic and anti-compression optical cable and cable Download PDFInfo
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- CN113805295A CN113805295A CN202111273563.4A CN202111273563A CN113805295A CN 113805295 A CN113805295 A CN 113805295A CN 202111273563 A CN202111273563 A CN 202111273563A CN 113805295 A CN113805295 A CN 113805295A
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- 239000004800 polyvinyl chloride Substances 0.000 claims description 9
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- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to an anti-seismic and anti-compression optical cable which is provided with a loose tube, an inner protective layer and an outer protective layer, wherein an optical communication component is arranged in the loose tube, it is characterized in that the outer protective layer is composed of an outer protective layer main body, a plurality of limiting grooves are formed on the inner wall of the outer protective layer main body at intervals, at least three coaxial through holes with the same shape are formed in all the inner wall bodies, an armor component is arranged between the inner protective layer and the outer protective layer, the armor component consists of an outer reinforcing rod, a plurality of limiting components and a plurality of elastic components, the left ends of the limiting components and the elastic components are fixed on the outer reinforcing rod, the anti-seismic and anti-compression cable has the beneficial effects of simple structure, good heat dissipation performance, good bending property, stretchability, compression resistance and anti-seismic property, convenience in maintenance, cost saving and the like.
Description
Technical Field
The invention belongs to the field of electric power and cables, and particularly relates to an anti-seismic and anti-compression optical cable and an anti-seismic and anti-compression cable.
Background
With the wide-range popularization of domestic 5G construction, the requirement of the optical cable is larger and larger, and the requirement of an operator on the water permeability of the optical cable is stricter and stricter.
In the prior art, CN110824649A discloses a novel pressure-resistant optical cable, which has a reinforcement, a loose tube and an outer sheath, wherein at least one optical communication component is arranged in the loose tube, and the novel pressure-resistant optical cable is characterized in that a pressure-resistant belt is further arranged between the loose tube and the outer sheath, and the pressure-resistant belt comprises a pressure-resistant belt base band, at least one supporting component and an extrusion head; the reinforcing part is composed of a reinforcing part main body and a tensile part, a plurality of pressure reducing grooves are formed in the reinforcing part main body, two limiting parts are respectively arranged on two sides of the opening of each pressure reducing groove, the extrusion head is positioned in the pressure reducing grooves, and the reinforcing part main body is made of elastic materials; (ii) a The invention solves the problem that the supporting part is easy to bend when the pressure is higher; the invention has the advantages of simple structure, good compression resistance, tensile resistance, torsion resistance, heat dispersion and the like.
The above prior art has the following disadvantages: 1. the pressure-resistant belt surrounds the loose tube in a continuous state, so that the bending performance of the optical cable is poor; 2. the loose tube is not fixed in a cavity formed by the pressure-resistant base band and the supporting component, so that the loose tube and the optical fiber inside the loose tube vibrate violently when the cable is subjected to violent vibration.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose an anti-seismic and anti-pressure optical cable and an anti-seismic and anti-pressure electric cable, which are realized by adopting the following technical scheme.
An anti-seismic and anti-compression optical cable is provided with at least one loose tube, an inner protection layer positioned outside the loose tube and an outer protection layer positioned outside the inner protection layer, wherein at least one optical communication component is arranged in the loose tube, when the number of the loose tubes is more than or equal to three, a central reinforcement component is also arranged in the middle of the loose tube, the anti-seismic and anti-compression optical cable is characterized in that the outer protection layer is composed of an outer protection layer main body, a plurality of limiting grooves are formed on the inner wall of the outer protection layer main body at intervals, an inner wall body is formed on the inner wall body of the protection layer main body between every two adjacent limiting grooves, at least three coaxial through holes with the same shape are formed in all the inner wall bodies, an armor component is also arranged between the inner protection layer and the outer protection layer, the number of the armor component is the same as that of the through holes, the armor component is composed of an outer reinforcing rod, a plurality of limiting components and elastic components with the same number as that of the limiting components are stacked on the elastic components, and the left ends of the limiting components are fixed on the outer reinforcing rod, form an acute angle between spacing part and the elastomeric element, spacing part and elastomeric element are the arc, and the bow back of the body upwards, outer reinforcing rod is located the through-hole that corresponds, and spacing part is located the spacing groove that corresponds, and spacing part's upper wall and the laminating of spacing inslot wall, elastomeric element are tangent with interior sheath outer wall, when interior sheath oppresses elastomeric element to arbitrary direction, arbitrary two adjacent elastomeric element top intervals are greater than interior sheath external diameter.
The anti-seismic and anti-compression optical cable is characterized in that the loose sleeve material is polybutylene terephthalate or modified polypropylene.
The anti-seismic and anti-compression optical cable is characterized in that the optical communication component is an optical fiber.
An anti-seismic and anti-compression cable comprises at least one electric unit, an insulating layer extruded outside the electric unit, an inner protective layer positioned outside the insulating layer and an outer protective layer positioned outside the inner protective layer, wherein when the number of the electric units is more than or equal to three, a central reinforcing part is also arranged in the middle of the insulating layer, the outer protective layer is composed of an outer protective layer main body, a plurality of limiting grooves are formed at intervals on the inner wall of the outer protective layer main body, the inner wall of the protective layer main body between every two adjacent limiting grooves forms an inner wall body, at least three coaxial through holes with the same shape are formed in all the inner wall bodies, armor parts are also arranged between the inner protective layer and the outer protective layer, the number of the armor parts is the same as the number of the through holes, the armor parts are composed of an outer reinforcing rod, a plurality of limiting parts and elastic parts with the same number as the limiting parts, the limiting parts are stacked on the elastic parts, and the left ends of the limiting parts and the elastic parts are fixed on the outer reinforcing rod, form an acute angle between spacing part and the elastomeric element, spacing part and elastomeric element are the arc, and the bow back of the body upwards, outer reinforcing rod is located the through-hole that corresponds, and spacing part is located the spacing groove that corresponds, and spacing part's upper wall and the laminating of spacing inslot wall, elastomeric element are tangent with interior sheath outer wall, when interior sheath oppresses elastomeric element to arbitrary direction, arbitrary two adjacent elastomeric element top intervals are greater than interior sheath external diameter.
The anti-seismic and anti-compression cable is characterized in that the insulating layer is made of polyvinyl chloride or high-density polyethylene.
Above-mentioned antidetonation resistance to compression cable, spacing part and elastomeric element are the formation space between inner sheath and the outer sheath, are favorable to the heat that the work of electrical unit gave out to dissipate, and because the armor material is the metal, heat transfer performance is better than non-metallic material and air greatly, still can transmit outside the cable through elastomeric element transmission external reinforcement pole retransmission again, the radiating rate is faster.
Above-mentioned antidetonation resistance to compression optical cable or cable, its characterized in that elastomeric element's length is greater than the length of stop part, and elastomeric element's width is greater than the width of stop part, has increased interior sheath and elastomeric element's stress point, indirectly reduces the impaired risk of electric conductor.
The anti-seismic and anti-compression optical cable or cable is characterized in that the length of the elastic component is greater than that of the limiting component, and the width of the elastic component is smaller than that of the limiting component, so that the protection range of the elastic component on the internal loose tube is larger, and the anti-shock and anti-compression capacity of the cable is enhanced.
The anti-seismic and anti-compression optical cable or cable is characterized in that the central reinforcing member is a stainless steel wire or a phosphated steel wire or a glass fiber reinforced plastic rod.
The anti-seismic and compression-resistant optical cable or cable is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The anti-seismic and anti-compression optical cable or cable is characterized in that the inner sheath material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The anti-seismic and anti-compression optical cable or cable is characterized in that the elastic component is made of spring steel.
The anti-seismic and anti-pressure optical cable or cable is characterized in that the outer reinforcing rod and the limiting component are made of stainless steel.
In the invention, the plurality of outer reinforcing rods are distributed at the periphery of the cable core, so that the tensile force borne by the optical cable or the cable is more uniform and the flexibility is better, and meanwhile, the thickness of the outer protective layer is reduced, the material is saved, and the cost is saved; the limiting parts and the elastic parts are distributed on the outer reinforcing rod at intervals, so that the bending performance of the optical cable or the electric cable is further enhanced; the limiting parts can be used as optical communication parts or electric conductors inside the armor protection, and because the limiting parts are positioned in the limiting grooves, the outer protective layer between the adjacent limiting parts is relatively thick, and the optical communication parts or the electric conductors inside the armor protection can be better protected; the elastic component clamps the cable core in the middle, and when the optical cable or the cable is subjected to pressure, the optical communication component or the electric conductor inside is protected from being influenced by external pressure through bending of the elastic component; when the optical cable or the electric cable is vibrated, the vibration of the internal optical communication component or the electric conductor is reduced through the elastic component, and the normal transmission function of the optical communication component or the electric conductor is ensured; because the elastic part has elasticity, when the cable core is damaged, the cable core can be drawn out from the cavity formed by the elastic part to replace a new cable core, so that the maintenance and construction are more convenient, the time is greatly saved, and the cost is also saved; the limiting component and the elastic component are directly fixed on the outer reinforcing rod, and the optical cable or the electric cable is directly placed together during production, so that the production process is simple and the efficiency is high.
Therefore, the invention has the advantages of simple structure, good heat dissipation performance, good bending property, tensile property, pressure resistance and shock resistance, convenient maintenance, cost saving and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a front view of embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 4 is a schematic perspective view of embodiment 3 or embodiment 4 of the present invention.
Fig. 5 is a schematic perspective view of an armor part according to embodiment 1, embodiment 2, or embodiment 3 of the present invention.
Fig. 6 is a schematic perspective view of an armor part according to embodiment 4 of the present invention.
Fig. 7 is a schematic view of the position of the armor component and the inner sheath according to the present invention.
Fig. 8 is a cross-sectional view of an outer jacket of the present invention.
In the figure: 1. the optical communication component comprises an optical communication component, 2 parts of loose sleeves, 3 parts of inner protective layers, 4 parts of armor components, 41 parts of outer reinforcing rods, 42 parts of limiting components, 43 parts of elastic components, 5 parts of outer protective layers, 51 parts of outer protective layer main bodies, 52 parts of inner walls, 53 parts of through holes, 54 parts of limiting grooves, 6 parts of central reinforcing components, 7 parts of insulating layers, 8 parts of electric units, d1. parts of outer diameters of inner protective layers and d2 parts of top ends of two adjacent elastic components.
Detailed Description
Example 1
Referring to fig. 1, 2, 5, 7 and 8, an anti-seismic and anti-compression optical cable comprises a loose tube 2, an inner sheath 3 located outside the loose tube 2 and an outer sheath 5 located outside the inner sheath 3, wherein at least one optical communication component 1 is arranged inside the loose tube 2, the optical communication component is characterized in that the outer sheath 5 is composed of an outer sheath main body 51, a plurality of limiting grooves 54 are formed at intervals on the inner wall of the outer sheath main body 51, an inner wall 52 is formed on the inner wall of the sheath main body 51 between two adjacent limiting grooves 54, four coaxial through holes 53 with the same shape are formed in all the inner wall 52, four armor components 4 are further arranged between the inner sheath 3 and the outer sheath 5, the armor components 4 are composed of an outer reinforcing rod 41, a plurality of limiting components 42 and elastic components 43 with the same number as the limiting components 42, the limiting components 42 are stacked on the elastic components 43, the left ends of the limiting components 42 and the elastic components 43 are fixed on the outer reinforcing rod 41, an acute angle is formed between the limiting component 42 and the elastic component 43, the limiting component 42 and the elastic component 43 are arc-shaped, the arch is back to back, the length of the elastic component 43 is larger than that of the limiting component 42, the width of the elastic component 43 is larger than that of the limiting component 42, the outer reinforcing rod 41 is located in the corresponding through hole 53, the limiting component 42 is located in the corresponding limiting groove 54, the upper wall of the limiting component 42 is attached to the inner wall of the limiting groove 54, the elastic component 43 is tangent to the outer wall of the inner sheath 3, and when the inner sheath 3 presses the elastic component 43 in any direction, the distance d2 between the top ends of any two adjacent elastic components is larger than the outer diameter d1 of the inner sheath.
The anti-seismic and anti-compression optical cable is characterized in that the loose tube 2 is made of polybutylene terephthalate or modified polypropylene.
The anti-seismic and pressure-resistant optical cable is characterized in that the optical communication component 1 is an optical fiber.
In this embodiment, the width of the elastic component 43 is greater than the width of the limiting component 42, so that the stress points of the inner sheath layer and the elastic component 43 are increased, and the risk of damage to the optical communication component 1 in the loose tube 2 is indirectly reduced.
Example 2
Referring to fig. 3, 5, 7 and 8, an anti-seismic and anti-compression optical cable comprises at least three loose tubes 2, a central reinforcement member 6 located in the middle of the loose tube 2, an inner sheath 3 located outside the loose tube 2 and an outer sheath 5 located outside the inner sheath 3, wherein at least one optical communication component 1 is arranged in the loose tube 2, the optical communication cable is characterized in that the outer sheath 5 is composed of an outer sheath main body 51, a plurality of limiting grooves 54 are formed at intervals on the inner wall of the outer sheath main body 51, an inner wall 52 is formed on the inner wall of the sheath main body 51 between two adjacent limiting grooves 54, four coaxial through holes 53 with the same shape are formed in all the inner wall 52, four armor components 4 are further arranged between the inner sheath 3 and the outer sheath 5, the armor components 4 are composed of an outer reinforcement rod 41, a plurality of limiting components 42 and elastic components 43 with the same number as the limiting components 42, the limiting components 42 are stacked on the elastic components 43, the left ends of the limiting component 42 and the elastic component 43 are fixed on the outer reinforcing rod 41, an acute angle is formed between the limiting component 42 and the elastic component 43, the limiting component 42 and the elastic component 43 are arc-shaped, the arch is back to back, the length of the elastic component 43 is larger than that of the limiting component 42, the width of the elastic component 43 is larger than that of the limiting component 42, the outer reinforcing rod 41 is located in the corresponding through hole 53, the limiting component 42 is located in the corresponding limiting groove 54, the upper wall of the limiting component 42 is attached to the inner wall of the limiting groove 54, the elastic component 43 is tangent to the outer wall of the inner sheath 3, and when the inner sheath 3 presses the elastic component 43 in any direction, the distance d2 between the top ends of any two adjacent elastic components is larger than the outer diameter d1 of the inner sheath.
The anti-seismic and anti-compression optical cable is characterized in that the loose tube 2 is made of polybutylene terephthalate or modified polypropylene.
The anti-seismic and pressure-resistant optical cable is characterized in that the optical communication component 1 is an optical fiber.
The anti-seismic and anti-compression optical cable is characterized in that the central reinforcing member 6 is a stainless steel wire or a phosphated steel wire or a glass fiber reinforced plastic rod.
In this embodiment, the width of the elastic component 43 is greater than the width of the limiting component 42, so that the stress points of the inner sheath layer and the elastic component 43 are increased, and the risk of damage to the optical communication component 1 in the loose tube 2 is indirectly reduced.
Example 3
Referring to fig. 4, 5, 7 and 8, an earthquake-resistant and pressure-resistant cable comprises at least three electrical units 8, an insulating layer 7 extruded outside the electrical units 8, a central reinforcing member 6 positioned in the middle of the insulating layer 7, an inner sheath 3 positioned outside the insulating layer 7 and an outer sheath 5 positioned outside the inner sheath 3, wherein the outer sheath 5 is composed of an outer sheath main body 51, a plurality of limiting grooves 54 are formed at intervals on the inner wall of the outer sheath main body 51, an inner wall 52 is formed on the inner wall of the sheath main body 51 between two adjacent limiting grooves 54, four coaxial through holes 53 with the same shape are formed in all the inner wall 52, four armor members 4 are further arranged between the inner sheath 3 and the outer sheath 5, the armor members 4 are composed of an outer reinforcing rod 41, a plurality of limiting members 42 and elastic members 43 with the same number as the limiting members 42, the limiting members 42 are stacked on the elastic members 43, the left ends of the limiting component 42 and the elastic component 43 are fixed on the outer reinforcing rod 41, an acute angle is formed between the limiting component 42 and the elastic component 43, the limiting component 42 and the elastic component 43 are arc-shaped, the arch is back to back, the length of the elastic component 43 is larger than that of the limiting component 42, the width of the elastic component 43 is larger than that of the limiting component 42, the outer reinforcing rod 41 is located in the corresponding through hole 53, the limiting component 42 is located in the corresponding limiting groove 54, the upper wall of the limiting component 42 is attached to the inner wall of the limiting groove 54, the elastic component 43 is tangent to the outer wall of the inner sheath 3, and when the inner sheath 3 presses the elastic component 43 in any direction, the distance d2 between the top ends of any two adjacent elastic components is larger than the outer diameter d1 of the inner sheath.
The anti-seismic and anti-compression cable is characterized in that the central reinforcing member 6 is a stainless steel wire or a phosphated steel wire or a glass fiber reinforced plastic rod.
The anti-seismic and anti-compression cable is characterized in that the insulating layer 7 is made of polyvinyl chloride or high-density polyethylene.
In this embodiment, the width of the elastic member 43 is greater than the width of the limiting member 42, so that the stress points of the inner sheath and the elastic member 43 are increased, and the risk of damage to the electric conductor 8 is indirectly reduced.
Example 4
Referring to fig. 4, 6, 7 and 8, an earthquake-resistant and pressure-resistant cable comprises at least three electrical units 8, an insulating layer 7 extruded outside the electrical units 8, a central reinforcing member 6 positioned in the middle of the insulating layer 7, an inner sheath 3 positioned outside the insulating layer 7 and an outer sheath 5 positioned outside the inner sheath 3, wherein the outer sheath 5 is composed of an outer sheath main body 51, a plurality of limiting grooves 54 are formed at intervals on the inner wall of the outer sheath main body 51, an inner wall 52 is formed on the inner wall of the sheath main body 51 between two adjacent limiting grooves 54, four coaxial through holes 53 with the same shape are formed in all the inner wall 52, four armor members 4 are further arranged between the inner sheath 3 and the outer sheath 5, the armor members 4 are composed of an outer reinforcing rod 41, a plurality of limiting members 42 and elastic members 43 with the same number as the limiting members 42, the limiting members 42 are stacked on the elastic members 43, the left ends of the limiting component 42 and the elastic component 43 are fixed on the outer reinforcing rod 41, an acute angle is formed between the limiting component 42 and the elastic component 43, the limiting component 42 and the elastic component 43 are arc-shaped, the arch is back to back, the length of the elastic component 43 is larger than that of the limiting component 42, the width of the elastic component 43 is smaller than that of the limiting component 42, the outer reinforcing rod 41 is located in the corresponding through hole 53, the limiting component 42 is located in the corresponding limiting groove 54, the upper wall of the limiting component 42 is attached to the inner wall of the limiting groove 54, the elastic component 43 is tangent to the outer wall of the inner sheath 3, and when the inner sheath 3 presses the elastic component 43 in any direction, the distance d2 between the top ends of any two adjacent elastic components is larger than the outer diameter d1 of the inner sheath.
The anti-seismic and anti-compression cable is characterized in that the central reinforcing member 6 is a stainless steel wire or a phosphated steel wire or a glass fiber reinforced plastic rod.
The anti-seismic and anti-compression cable is characterized in that the insulating layer 7 is made of polyvinyl chloride or high-density polyethylene.
In this embodiment, the width of the elastic component 43 is smaller than that of the limiting component 42, so that the protection range of the elastic component 43 on the internal loose tube 2 is larger, and the impact resistance and pressure resistance of the cable are enhanced; spacing part 42 and elastomeric element 43 are the formation space between interior sheath 3 and the outer sheath 5, are favorable to the heat that the work of electrical unit gave out to disperse, and because armor 4 material is metallic, the heat transfer performance is greatly better than non-metallic material and air, and the heat that the work of electrical unit gave out still can transmit outside the cable through elastomeric element 43 transmission to outer reinforcement pole 41, and the radiating rate is faster.
Example 5
An earthquake-resistant and pressure-resistant cable comprises at least three electric units 8, an insulating layer 7 extruded outside the electric units 8, a central reinforcing member 6 positioned in the middle of the insulating layer 7, an inner protective layer 3 positioned outside the insulating layer 7 and an outer protective layer 5 positioned outside the inner protective layer 3, and is characterized in that the outer protective layer 5 is composed of an outer protective layer main body 51, a plurality of limiting grooves 54 are formed at intervals on the inner wall of the outer protective layer main body 51, an inner wall body 52 is formed on the inner wall of the protective layer main body 51 between two adjacent limiting grooves 54, three coaxial through holes 53 with the same shape are formed in all the inner wall bodies 52, three armor components 4 are further arranged between the inner protective layer 3 and the outer protective layer 5, each armor component 4 is composed of an outer reinforcing rod 41, a plurality of limiting components 42 and elastic components 43 with the same number as the limiting components 42, the limiting components 42 are stacked on the elastic components 43, and the left ends of the limiting components 42 and the elastic components 43 are fixed on the outer reinforcing rod 41, an acute angle is formed between the limiting component 42 and the elastic component 43, the limiting component 42 and the elastic component 43 are arc-shaped, the arch is back to the upper side, the length of the elastic component 43 is larger than that of the limiting component 42, the width of the elastic component 43 is smaller than that of the limiting component 42, the outer reinforcing rod 41 is located in the corresponding through hole 53, the limiting component 42 is located in the corresponding limiting groove 54, the upper wall of the limiting component 42 is attached to the inner wall of the limiting groove 54, the elastic component 43 is tangent to the outer wall of the inner sheath 3, and when the inner sheath 3 presses the elastic component 43 in any direction, the distance d2 between the top ends of any two adjacent elastic components is larger than the outer diameter d1 of the inner sheath.
The anti-seismic and anti-compression cable is characterized in that the central reinforcing member 6 is a stainless steel wire or a phosphated steel wire or a glass fiber reinforced plastic rod.
The anti-seismic and anti-compression cable is characterized in that the insulating layer 7 is made of polyvinyl chloride or high-density polyethylene.
In this embodiment, the width of the elastic component 43 is smaller than that of the limiting component 42, so that the protection range of the elastic component 43 on the internal loose tube 2 is larger, and the impact resistance and pressure resistance of the cable are enhanced; spacing part 42 and elastomeric element 43 are the formation space between interior sheath 3 and the outer sheath 5, are favorable to the heat that the work of electrical unit gave out to disperse, and because armor 4 material is metallic, the heat transfer performance is greatly better than non-metallic material and air, and the heat that the work of electrical unit gave out still can transmit outside the cable through elastomeric element 43 transmission to outer reinforcement pole 41, and the radiating rate is faster.
The anti-seismic and anti-compression optical cable or cable according to any embodiment is characterized in that the outer sheath 5 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The optical cable or the electric cable with the characteristics of shock resistance and pressure resistance is characterized in that the material of the inner sheath layer 3 is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The optical cable or the electric cable with the characteristics of shock resistance and pressure resistance is characterized in that the elastic component 43 is made of spring steel.
The optical cable or the electric cable with the characteristics of shock resistance and pressure resistance is characterized in that the outer reinforcing rod 41 and the limiting component 42 are made of stainless steel.
In the invention, the plurality of outer reinforcing rods 41 are distributed at the periphery of the cable core, so that the drawing force borne by the optical cable or the cable is more uniform and the flexibility is better, and meanwhile, the thickness of the outer protective layer 5 is reduced, the material is saved, and the cost is saved; the limiting parts 42 and the elastic parts 43 are distributed on the outer reinforcing rod 41 at intervals, so that the bending performance of the optical cable or the electric cable is further enhanced; the limiting parts 42 can be used for armor protection of the internal optical communication part 1 or the internal conductor 8, and the limiting parts 42 are positioned in the limiting grooves 54, so that the outer protective layer 5 between the adjacent limiting parts 42 is relatively thick, and the internal optical communication part 1 or the internal conductor 8 can be better protected; the elastic component 43 clamps the cable core in the middle, and when the optical cable or the electric cable is subjected to pressure, the optical communication component 1 or the electric conductor 8 inside is protected from external pressure through bending of the elastic component 43; when the optical cable or the electric cable is vibrated, the vibration of the internal optical communication component 1 or the electric conductor 8 is reduced through the elastic component 43, and the normal transmission function of the optical communication component 1 or the electric conductor 8 is ensured; because the elastic part 43 has elasticity, when the cable core is damaged, the cable core can be drawn out from the cavity formed by the elastic part 43 to replace a new cable core, so that the maintenance and construction are more convenient, the time is greatly saved, and the cost is also saved; the limiting component 42 and the elastic component 43 are directly fixed on the outer reinforcing rod 41 and are directly placed together during the production of the optical cable or the electric cable, so that the production process is simple and the efficiency is high.
The invention solves the problems of water seepage of the optical cable and the like caused by gaps in the fiber paste due to over-small fiber paste filling pressure or uneven pressure in the prior art.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. An anti-seismic compression-resistant optical cable is provided with at least one loose tube (2), an inner protection layer (3) located outside the loose tube (2) and an outer protection layer (5) located outside the inner protection layer (3), wherein at least one optical communication component (1) is arranged in the loose tube (2), when the number of the loose tubes (2) is more than or equal to three, a central reinforcing component (6) is further arranged in the middle of the loose tube (2), the anti-seismic compression-resistant optical cable is characterized in that the outer protection layer (5) is composed of an outer protection layer main body (51), a plurality of limiting grooves (54) are formed on the inner wall of the outer protection layer main body (51) at intervals, inner wall bodies (52) are formed on the inner wall of the protection layer main body (51) between every two adjacent limiting grooves (54), at least three coaxial through holes (53) with the same shape are formed in all the inner wall bodies (52), armor components (4) are further arranged between the inner protection layer (3) and the outer protection layer (5), and the number of the armor components (4) is the same as that of the through holes (53), the armor part (4) is composed of an outer reinforcing rod (41), a plurality of limiting parts (42) and elastic parts (43) with the same number as the limiting parts (42), the limiting parts (42) are stacked on the elastic parts (43), the left ends of the limiting parts (42) and the elastic parts (43) are fixed on the outer reinforcing rod (41), an acute angle is formed between the limiting parts (42) and the elastic parts (43), the limiting parts (42) and the elastic parts (43) are arc-shaped and are upward in the back direction, the outer reinforcing rod (41) is located in a corresponding through hole (53), the limiting parts (42) are located in corresponding limiting grooves (54), the upper walls of the limiting parts (42) are attached to the inner walls of the limiting grooves (54), the elastic parts (43) are tangent to the outer walls of the inner sheath (3), and when the inner sheath (3) is pressed to the elastic parts (43) in any direction, the distance (d2) between the top ends of any two adjacent elastic parts is larger than the outer diameter (d1) of the inner sheath layer.
2. An earthquake-resistant and pressure-resistant optical cable according to claim 1, wherein said optical communication part (1) is an optical fiber.
3. An earthquake-resistant and pressure-resistant optical cable according to claim 1 or claim 2, wherein the elastic member (43) is made of spring steel.
4. An earthquake-resistant and pressure-resistant optical cable according to claim 3, wherein the length of the elastic member (43) is greater than the length of the position-limiting member (42), and the width of the elastic member (43) is greater than the width of the position-limiting member (42).
5. An earthquake-resistant and pressure-resistant optical cable according to claim 3, wherein the length of the elastic member (43) is greater than the length of the position-limiting member (42), and the width of the elastic member (43) is smaller than the width of the position-limiting member (42).
6. An anti-seismic and pressure-resistant cable is provided with at least one electric unit (8), an insulating layer (7) extruded outside the electric unit (8), an inner protective layer (3) positioned outside the insulating layer (7) and an outer protective layer (5) positioned outside the inner protective layer (3), when the number of the electric units (8) is more than or equal to three, a central reinforcing piece (6) is further arranged in the middle of the insulating layer (7), the anti-seismic and pressure-resistant cable is characterized in that the outer protective layer (5) is composed of an outer protective layer main body (51), a plurality of limiting grooves (54) are formed on the inner wall of the outer protective layer main body (51) at intervals, inner walls of the protective layer main body (51) between every two adjacent limiting grooves (54) form an inner wall body (52), at least three coaxial through holes (53) with the same shape are formed in all the inner wall bodies (52), armor parts (4) are further arranged between the inner protective layer (3) and the outer protective layer (5), and the number of the armor parts (4) is the same as that of the through holes (53), the armor part (4) is composed of an outer reinforcing rod (41), a plurality of limiting parts (42) and elastic parts (43) with the same number as the limiting parts (42), the limiting parts (42) are stacked on the elastic parts (43), the left ends of the limiting parts (42) and the elastic parts (43) are fixed on the outer reinforcing rod (41), an acute angle is formed between the limiting parts (42) and the elastic parts (43), the limiting parts (42) and the elastic parts (43) are arc-shaped and are upward in the back direction, the outer reinforcing rod (41) is located in a corresponding through hole (53), the limiting parts (42) are located in corresponding limiting grooves (54), the upper walls of the limiting parts (42) are attached to the inner walls of the limiting grooves (54), the elastic parts (43) are tangent to the outer walls of the inner sheath (3), and when the inner sheath (3) is pressed to the elastic parts (43) in any direction, the distance (d2) between the top ends of any two adjacent elastic parts is larger than the outer diameter (d1) of the inner sheath layer.
7. An earthquake-resistant and pressure-resistant cable according to claim 6, wherein the elastic member (43) is made of spring steel.
8. A seismic resistant and crush resistant cable according to claim 6 or claim 7, wherein the insulating layer material is polyvinyl chloride or high density polyethylene.
9. An earthquake-resistant and pressure-resistant cable according to claim 8, wherein the length of the elastic member (43) is greater than the length of the position-limiting member (42), and the width of the elastic member (43) is greater than the width of the position-limiting member (42).
10. An earthquake-resistant and pressure-resistant cable according to claim 9, wherein the length of the elastic member (43) is greater than the length of the position-limiting member (42), and the width of the elastic member (43) is smaller than the width of the position-limiting member (42).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110046847.3A CN112698458A (en) | 2021-01-14 | 2021-01-14 | Anti-seismic and anti-compression optical cable and cable |
| CN2021100468473 | 2021-01-14 |
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| Publication Number | Publication Date |
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| CN113805295A true CN113805295A (en) | 2021-12-17 |
| CN113805295B CN113805295B (en) | 2024-04-12 |
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| CN202110046847.3A Withdrawn CN112698458A (en) | 2021-01-14 | 2021-01-14 | Anti-seismic and anti-compression optical cable and cable |
| CN202111273563.4A Active CN113805295B (en) | 2021-01-14 | 2021-10-29 | Shock-resistant compression-resistant optical cable and cable |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110046847.3A Withdrawn CN112698458A (en) | 2021-01-14 | 2021-01-14 | Anti-seismic and anti-compression optical cable and cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782272B (en) * | 2021-09-29 | 2023-01-24 | 安徽顺信线缆有限公司 | Heat dissipation type cable for new energy automobile |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688928A (en) * | 1992-09-07 | 1994-03-29 | Fujikura Ltd | Optical fiber cable |
| JPH11109190A (en) * | 1997-09-30 | 1999-04-23 | Ube Nitto Kasei Co Ltd | Optical calbe spacer and optical cable using it |
| CN208077668U (en) * | 2018-05-10 | 2018-11-09 | 福建南新电缆有限公司 | A kind of anti-tampering and Compression-resistincable cable |
| CN208208398U (en) * | 2018-05-24 | 2018-12-07 | 成都大西洋线缆有限公司 | A kind of enhanced cable with elastic construction |
| CN208722630U (en) * | 2018-04-28 | 2019-04-09 | 扬州中大电缆有限公司 | A kind of preferable track traffic cable of crushing resistance |
| CN110164593A (en) * | 2019-06-02 | 2019-08-23 | 常熟市邦知光电科技有限公司 | A kind of cable and optical cable of light high-intensity antidetonation |
| CN110364295A (en) * | 2019-07-26 | 2019-10-22 | 常熟市邦知光电科技有限公司 | A kind of composite cable |
| CN111158096A (en) * | 2020-02-10 | 2020-05-15 | 常熟虞星光电科技有限公司 | Recyclable central beam tube type optical cable with recyclable reinforcing parts and photoelectric composite cable |
| CN111180123A (en) * | 2020-02-10 | 2020-05-19 | 常熟虞星光电科技有限公司 | Special-shaped cable or optical cable |
| CN111462948A (en) * | 2020-04-20 | 2020-07-28 | 夏纪成 | Buried compression-resistant cable |
| CN111722337A (en) * | 2020-08-02 | 2020-09-29 | 常熟虞星光电科技有限公司 | Optical cable with flexible connecting part, cable and photoelectric composite cable |
| CN211879103U (en) * | 2020-04-17 | 2020-11-06 | 江苏昊特电缆有限公司 | High-flame-retardant, fire-resistant and oil-resistant variable frequency cable |
| CN211907064U (en) * | 2020-06-08 | 2020-11-10 | 无锡盐祺科技有限公司 | Tensile fireproof optical fiber composite power cable |
| CN212032722U (en) * | 2020-06-12 | 2020-11-27 | 四川鑫电电缆有限公司 | Fire-resistant impact-resistant online monitoring and alarming cable |
-
2021
- 2021-01-14 CN CN202110046847.3A patent/CN112698458A/en not_active Withdrawn
- 2021-10-29 CN CN202111273563.4A patent/CN113805295B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688928A (en) * | 1992-09-07 | 1994-03-29 | Fujikura Ltd | Optical fiber cable |
| JPH11109190A (en) * | 1997-09-30 | 1999-04-23 | Ube Nitto Kasei Co Ltd | Optical calbe spacer and optical cable using it |
| CN208722630U (en) * | 2018-04-28 | 2019-04-09 | 扬州中大电缆有限公司 | A kind of preferable track traffic cable of crushing resistance |
| CN208077668U (en) * | 2018-05-10 | 2018-11-09 | 福建南新电缆有限公司 | A kind of anti-tampering and Compression-resistincable cable |
| CN208208398U (en) * | 2018-05-24 | 2018-12-07 | 成都大西洋线缆有限公司 | A kind of enhanced cable with elastic construction |
| CN110164593A (en) * | 2019-06-02 | 2019-08-23 | 常熟市邦知光电科技有限公司 | A kind of cable and optical cable of light high-intensity antidetonation |
| CN110364295A (en) * | 2019-07-26 | 2019-10-22 | 常熟市邦知光电科技有限公司 | A kind of composite cable |
| CN111158096A (en) * | 2020-02-10 | 2020-05-15 | 常熟虞星光电科技有限公司 | Recyclable central beam tube type optical cable with recyclable reinforcing parts and photoelectric composite cable |
| CN111180123A (en) * | 2020-02-10 | 2020-05-19 | 常熟虞星光电科技有限公司 | Special-shaped cable or optical cable |
| CN211879103U (en) * | 2020-04-17 | 2020-11-06 | 江苏昊特电缆有限公司 | High-flame-retardant, fire-resistant and oil-resistant variable frequency cable |
| CN111462948A (en) * | 2020-04-20 | 2020-07-28 | 夏纪成 | Buried compression-resistant cable |
| CN211907064U (en) * | 2020-06-08 | 2020-11-10 | 无锡盐祺科技有限公司 | Tensile fireproof optical fiber composite power cable |
| CN212032722U (en) * | 2020-06-12 | 2020-11-27 | 四川鑫电电缆有限公司 | Fire-resistant impact-resistant online monitoring and alarming cable |
| CN111722337A (en) * | 2020-08-02 | 2020-09-29 | 常熟虞星光电科技有限公司 | Optical cable with flexible connecting part, cable and photoelectric composite cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
| CN114460699B (en) * | 2021-12-27 | 2024-02-20 | 富通集团（嘉善）通信技术有限公司 | Anti-twisting optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112698458A (en) | 2021-04-23 |
| CN113805295B (en) | 2024-04-12 |
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