CN105655021A - Anti-extrusion signal cable - Google Patents
Anti-extrusion signal cable Download PDFInfo
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- CN105655021A CN105655021A CN201510995744.6A CN201510995744A CN105655021A CN 105655021 A CN105655021 A CN 105655021A CN 201510995744 A CN201510995744 A CN 201510995744A CN 105655021 A CN105655021 A CN 105655021A
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- 239000004020 conductor Substances 0.000 claims abstract description 12
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- 239000010410 layer Substances 0.000 claims description 58
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 49
- 239000000835 fiber Substances 0.000 claims description 42
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- 229910052802 copper Inorganic materials 0.000 claims description 17
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 17
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 15
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- 238000003756 stirring Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 abstract description 8
- 239000012212 insulator Substances 0.000 abstract 2
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Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/005—Quad constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
-
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- 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
- H01B7/1845—Sheaths comprising perforations
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- 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
- H01B7/1875—Multi-layer sheaths
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- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
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- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulated Conductors (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an anti-extrusion signal cable comprising a cable core, an internal protection layer, a shielding layer, an intermediate protection layer, a reinforcing layer, a protection layer and an external protection layer. The cable core comprises an insulator and multiple wire cores. The internal part of the insulator is provided with multiple first through holes and multiple second through holes along an axial direction. Each first through hole is surrounded by 3-6 second through holes. The multiple wire cores are respectively arranged in the multiple first through holes. Each wire core comprises a conductor, a polyester tape which wraps the conductor and a copper wire braiding layer which wraps the polyester tape. The internal part of the internal protection layer is provided with multiple third through holes along the axial direction. The internal part of the intermediate protection layer is provided with multiple fourth through holes along the axial direction. The signal cable has the properties of being waterproof and moisture-proof, flame-retardant and fireproof, anti-interference and anti-extrusion.
Description
Technical field
The present invention relates to the relevant field of telecommunication cable. More specifically, the present invention relates to a kind of anti-extrusion signal cable.
Background technology
Along with the development of electronics technology product is popularized, signal cable, as the instrument of a kind of transmission signal, is a kind of instrument common and indispensable in industrial production and daily life. But some signal cables need long-term exposed to air, being easy to make moist, therefore signal cable needs to possess waterproof and dampproof function. And if presence of fire, easily the signal cable of combustion can become the medium propagating fire very soon, and therefore signal cable also needs to have fire-retardant fireproof function. Signal cable, in the process laid or transmit, is also especially easily squeezed, pulls, once heart yearn is broken or broken, will cause heavy losses, and therefore signal cable also needs to possess very strong resistance to compression tensile properties. In addition, signal cable also needs to possess good screening ability, to ensure transmission quality. Consequently, it is desirable to design a kind of waterproof and dampproof, fire-retardant fireproof, resistance to compression tension, anti-interference signal cable.
Summary of the invention
It is an object of the present invention to provide a kind of anti-extrusion signal cable, it has waterproof and dampproof, fire-retardant fireproof, anti-interference ability, has excellent anti-extrusion performance especially.
In order to realize these objects according to the present invention and other advantage, it provides a kind of anti-extrusion signal cable, comprising:
Cable core, it comprises an isolator and Duo Gen core, the inside of described isolator has offered multiple first through hole and multiple 2nd through hole vertically, 3��6 the 2nd through holes all it are surrounded with around each first through hole, described many cores are placed in described multiple first through hole respectively, for each core, it comprises conductor, the polyester belt of coated described conductor and the copper cash braid of coated described polyester belt, and the material of described isolator is density is the polyethylene of 0.920��0.923 gram/cc;
Sheath, its coated described cable core, the inside of described sheath has offered multiple third through-hole vertically, and the material of described sheath is density is the polyethylene of 0.934��0.936 gram/cc;
Screen layer, its coated described sheath, described screen layer is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, wherein, described carbon fiber is as warp, and described zinc-plated copper cash, described nickel plated copper wire and the even interval of described tinned wird are as parallel;
Middle sheath, its coated described screen layer, described middle sheath inside has offered multiple fourth hole vertically, the number of described fourth hole is identical with the number of described third through-hole, and any one radial section for described signal cable, the position that each fourth hole is arranged between adjacent two third through-holes, the material of described middle sheath is density is the polyethylene of 0.965��0.969 gram/cc;
Enhancement Layer, its coated described middle sheath, the material of described enhancement Layer is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 20��30 parts, polyarylester 20��30 parts, polyamide resin 10��20 parts, tetrafluoroethylene 50��60 parts, nano aluminium oxide 3��5 parts, nano titanium oxide 1��2 part;
Protective layer, its coated described enhancement Layer, described protective layer is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre;
Outer jacket, its coated described protective layer, the material of described outer jacket is ethylene-tetrafluoroethylene copolymer.
Preferably, described anti-extrusion signal cable, the number of described first through hole is 3��6, around each first through hole around the number of the 2nd through hole be 5.
Preferably, described anti-extrusion signal cable, the radial section of described third through-hole is oval, and the radial section of described fourth hole is circular, and the number of described third through-hole and described fourth hole is 20��35.
Preferably, described anti-extrusion signal cable, the thickness of described sheath is 0.5 millimeter, the thickness of described screen layer is 0.2 millimeter, the thickness of described middle sheath is 0.5 millimeter, the thickness of described enhancement Layer is 0.5 millimeter, and the thickness of described protective layer is 0.4 millimeter, and the thickness of described outer jacket is 0.2 millimeter.
Preferably, described anti-extrusion signal cable, described enhancement Layer is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 25 parts, polyarylester 25 parts, polyamide resin 15 parts, tetrafluoroethylene 50 parts, nano aluminium oxide 4 parts and nano titanium oxide 1.2 parts.
Preferably, described anti-extrusion signal cable, the preparation method of the material of described enhancement Layer comprises: by the epoxy silicone of above-mentioned weight part, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene heating and melting at ambient pressure, stir evenly, it is forced into 8��10MPa to keep 20��30 minutes, then add nano aluminium oxide and the nano titanium oxide of above-mentioned weight part, it is decompressed to 50��80Pa immediately and keeps 40��60 minutes, return to normal pressure; Wherein, keep the ultrasonic irradiation in stage 20KHz at 8��10MPa, keep the ultrasonic irradiation in stage 30KHz at 50��80Pa.
The present invention at least comprises following useful effect:
(1) signal cable of the present invention has waterproof and dampproof, fire-retardant fireproof, anti-interference ability, has excellent anti-extrusion performance especially.
(2) the present invention offers multiple first through hole in the isolator of a cylinder shape; first through hole is placed the core being used for transmission signal; the material employing density of isolator is the polyethylene of 0.920��0.923 gram/cc; this kind of polyethylene has good elasticity; thus there is very strong anti-extrusion ability; and can protect well and be placed on core in the first through hole; the surrounding of the first through hole arranges multiple 2nd through hole; make core have bigger compression space after receiving pressure, strengthen anti-extrusion ability further.
(3) inside of the sheath of the present invention has offered multiple third through-hole vertically; the material of sheath is density is the polyethylene of 0.934��0.936 gram/cc; the intensity of this kind of polyethylene is higher; make sheath on the basis strengthening anti-extrusion ability, protect elastic isolator not to be damaged.
(4) screen layer of the present invention is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, make the screen layer that the screening ability of screen layer weaves far above fine copper silk, and resistance to tension is better, when not using carbon fiber, the screening ability of screen layer reduces 20%.
(5) in the present invention, sheath inside has offered multiple fourth hole vertically, the number of fourth hole is identical with the number of described third through-hole, and the position of each fourth hole all and between two third through-holes is corresponding, the material of middle sheath is density is the polyethylene of 0.965��0.969 gram/cc. Here; fourth hole is filled up in the gap between third through-hole, no matter the pressure making signal cable be subject to which kind of direction all can have good anti-shot ability, and the intensity of this kind of polyethylene is very high; can on the basis strengthening anti-extrusion ability further, protective barrier layer and sheath.
(6) material of the enhancement Layer of the present invention is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 20��30 parts, polyarylester 20��30 parts, polyamide resin 10��20 parts, tetrafluoroethylene 50��60 parts, nano aluminium oxide 3��5 parts, nano titanium oxide 1��2 part. The material of this enhancement Layer is prepared from by multiple polymers and two kinds of inorganic nano-particles, there is extremely high intensity, further enhancing the resistance to tension of signal cable, nano aluminium oxide and nano titanium oxide play the space filled up between each polymkeric substance, and connect the effect of each polymkeric substance, when not plus nano aluminum oxide and nano titanium oxide, the decrease in intensity 40% of the material obtained. In the present invention, namely preferred preparation method is by epoxy silicone, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene melting, then two kinds of nanoparticles are added, then high pressure low frequency ultrasonication and the process of low pressure high frequency ultrasound ripple is carried out, allow nanoparticle sufficient movement in the gap of polymkeric substance, set up contact in the polymer, if not carrying out high pressure low frequency ultrasonication and the process of low pressure high frequency ultrasound ripple, the decrease in intensity 20% of material.
(7) protective layer of the present invention is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre. Protective layer further increases the intensity of signal cable, and makes signal cable possess fire-retardant fireproof high temperature-proof ability.
(8) material of outer jacket of the present invention is ethylene-tetrafluoroethylene copolymer. Ethylene-tetrafluoroethylene copolymer material is the most tough fluoroplastics; excellent in cushion effect; tensile strength can reach 50MPa; close to 2 times of tetrafluoroethylene; and there is good dirt heat-resisting, fire-retardant, anti-, waterproof, chemical resistance and electrical insulation capability; using ethylene-tetrafluoroethylene copolymer material as the fire-retardant fireproof of outer jacket enhancing signal cable, waterproof and dampproof ability, and protect inner protective layer, enhancement Layer, middle sheath, screen layer, sheath and isolator fabulously.
Part is embodied by other advantage of the present invention, target and feature by explanation below, and the technician by this area by the research and practice to the present invention is also understood by part.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Embodiment
Below in conjunction with example, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
Example 1
As shown in Figure 1, a kind of anti-extrusion signal cable, comprising:
Cable core, it comprises an isolator 1 and Duo Gen core, the inside of described isolator 1 has offered multiple first through hole 101 and multiple 2nd through hole 102 vertically, 3 the 2nd through holes 102 all it are surrounded with around each first through hole 101, described many cores are placed in described multiple first through hole 101 respectively, for each core, it comprises conductor, the polyester belt of coated described conductor and the copper cash braid of coated described polyester belt, and the material of described isolator 1 is density is the polyethylene of 0.920 gram/cc;
Sheath 2, its coated described cable core, the inside of described sheath 2 has offered multiple third through-hole 201 vertically, and the material of described sheath 2 is density is the polyethylene of 0.934 gram/cc;
Screen layer 3, its coated described sheath 2, described screen layer 3 is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, wherein, described carbon fiber is as warp, and described zinc-plated copper cash, described nickel plated copper wire and the even interval of described tinned wird are as parallel;
Middle sheath 4, its coated described screen layer 3, described middle sheath 4 inside has offered multiple fourth hole 401 vertically, the number of described fourth hole 401 is identical with the number of described third through-hole 201, and any one radial section for described signal cable, the position that each fourth hole 401 is arranged between adjacent two third through-holes 201, the material of described middle sheath 4 is density is the polyethylene of 0.965��0.969 gram/cc;
Enhancement Layer 5, its coated described middle sheath 4, the material of described enhancement Layer 5 is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 20 parts, polyarylester 20 parts, polyamide resin 10 parts, tetrafluoroethylene 50 parts, nano aluminium oxide 3 parts, nano titanium oxide 1 part;
Protective layer 6, its coated described enhancement Layer 5, described protective layer 6 is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre;
Outer jacket 7, its coated described protective layer 6, the material of described outer jacket 7 is ethylene-tetrafluoroethylene copolymer.
Described anti-extrusion signal cable, the number of described first through hole 101 is 3.
Described anti-extrusion signal cable, the radial section of described third through-hole 201 is oval, and the radial section of described fourth hole 401 is circular, and described third through-hole 201 is 20 with the number of described fourth hole 401.
Described anti-extrusion signal cable, the thickness of described sheath 2 is 0.5 millimeter, the thickness of described screen layer 3 is 0.2 millimeter, the thickness of described middle sheath 4 is 0.5 millimeter, the thickness of described enhancement Layer 5 is 0.5 millimeter, the thickness of described protective layer 6 is 0.4 millimeter, and the thickness of described outer jacket 7 is 0.2 millimeter.
Described anti-extrusion signal cable, the preparation method of the material of described enhancement Layer 5 comprises: by the epoxy silicone of above-mentioned weight part, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene heating and melting at ambient pressure, stir evenly, it is forced into 8MPa and keeps 20 minutes, then nano aluminium oxide and the nano titanium oxide of above-mentioned weight part is added, it is decompressed to 50Pa immediately and keeps 40 minutes, return to normal pressure;Wherein, keep the ultrasonic irradiation in stage 20KHz at 8MPa, keep the ultrasonic irradiation in stage 30KHz at 50Pa.
Example 2
As shown in Figure 1, a kind of anti-extrusion signal cable, comprising:
Cable core, it comprises an isolator 1 and Duo Gen core, the inside of described isolator 1 has offered multiple first through hole 101 and multiple 2nd through hole 102 vertically, 6 the 2nd through holes 102 all it are surrounded with around each first through hole 101, described many cores are placed in described multiple first through hole 101 respectively, for each core, it comprises conductor, the polyester belt of coated described conductor and the copper cash braid of coated described polyester belt, and the material of described isolator 1 is density is the polyethylene of 0.923 gram/cc;
Sheath 2, its coated described cable core, the inside of described sheath 2 has offered multiple third through-hole 201 vertically, and the material of described sheath 2 is density is the polyethylene of 0.936 gram/cc;
Screen layer 3, its coated described sheath 2, described screen layer 3 is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, wherein, described carbon fiber is as warp, and described zinc-plated copper cash, described nickel plated copper wire and the even interval of described tinned wird are as parallel;
Middle sheath 4, its coated described screen layer 3, described middle sheath 4 inside has offered multiple fourth hole 401 vertically, the number of described fourth hole 401 is identical with the number of described third through-hole 201, and any one radial section for described signal cable, the position that each fourth hole 401 is arranged between adjacent two third through-holes 201, the material of described middle sheath 4 is density is the polyethylene of 0.965��0.969 gram/cc;
Enhancement Layer 5, its coated described middle sheath 4, the material of described enhancement Layer 5 is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 30 parts, polyarylester 30 parts, polyamide resin 20 parts, tetrafluoroethylene 60 parts, nano aluminium oxide 5 parts, nano titanium oxide 2 parts;
Protective layer 6, its coated described enhancement Layer 5, described protective layer 6 is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre;
Outer jacket 7, its coated described protective layer 6, the material of described outer jacket 7 is ethylene-tetrafluoroethylene copolymer.
Described anti-extrusion signal cable, the number of described first through hole 101 is 6.
Described anti-extrusion signal cable, the radial section of described third through-hole 201 is oval, and the radial section of described fourth hole 401 is circular, and described third through-hole 201 is 35 with the number of described fourth hole 401.
Described anti-extrusion signal cable, the thickness of described sheath 2 is 0.5 millimeter, the thickness of described screen layer 3 is 0.2 millimeter, the thickness of described middle sheath 4 is 0.5 millimeter, the thickness of described enhancement Layer 5 is 0.5 millimeter, the thickness of described protective layer 6 is 0.4 millimeter, and the thickness of described outer jacket 7 is 0.2 millimeter.
Described anti-extrusion signal cable, the preparation method of the material of described enhancement Layer 5 comprises: by the epoxy silicone of above-mentioned weight part, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene heating and melting at ambient pressure, stir evenly, it is forced into 10MPa and keeps 30 minutes, then nano aluminium oxide and the nano titanium oxide of above-mentioned weight part is added, it is decompressed to 80Pa immediately and keeps 60 minutes, return to normal pressure;Wherein, keep the ultrasonic irradiation in stage 20KHz at 10MPa, keep the ultrasonic irradiation in stage 30KHz at 80Pa.
Example 3
As shown in Figure 1, a kind of anti-extrusion signal cable, comprising:
Cable core, it comprises an isolator 1 and Duo Gen core, the inside of described isolator 1 has offered multiple first through hole 101 and multiple 2nd through hole 102 vertically, 5 the 2nd through holes 102 all it are surrounded with around each first through hole 101, described many cores are placed in described multiple first through hole 101 respectively, for each core, it comprises conductor, the polyester belt of coated described conductor and the copper cash braid of coated described polyester belt, and the material of described isolator 1 is density is the polyethylene of 0.921 gram/cc;
Sheath 2, its coated described cable core, the inside of described sheath 2 has offered multiple third through-hole 201 vertically, and the material of described sheath 2 is density is the polyethylene of 0.935 gram/cc;
Screen layer 3, its coated described sheath 2, described screen layer 3 is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, wherein, described carbon fiber is as warp, and described zinc-plated copper cash, described nickel plated copper wire and the even interval of described tinned wird are as parallel;
Middle sheath 4, its coated described screen layer 3, described middle sheath 4 inside has offered multiple fourth hole 401 vertically, the number of described fourth hole 401 is identical with the number of described third through-hole 201, and any one radial section for described signal cable, the position that each fourth hole 401 is arranged between adjacent two third through-holes 201, the material of described middle sheath 4 is density is the polyethylene of 0.965��0.969 gram/cc;
Enhancement Layer 5, its coated described middle sheath 4, the material of described enhancement Layer 5 is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 25 parts, polyarylester 25 parts, polyamide resin 15 parts, tetrafluoroethylene 50 parts, nano aluminium oxide 4 parts and nano titanium oxide 1.2 parts;
Protective layer 6, its coated described enhancement Layer 5, described protective layer 6 is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre;
Outer jacket 7, its coated described protective layer 6, the material of described outer jacket 7 is ethylene-tetrafluoroethylene copolymer.
Described anti-extrusion signal cable, the number of described first through hole 101 is 5, around each first through hole 101 around the number of the 2nd through hole 102 be 5.
Described anti-extrusion signal cable, the radial section of described third through-hole 201 is oval, and the radial section of described fourth hole 401 is circular, and described third through-hole 201 is 30 with the number of described fourth hole 401.
Described anti-extrusion signal cable, the thickness of described sheath 2 is 0.5 millimeter, the thickness of described screen layer 3 is 0.2 millimeter, the thickness of described middle sheath 4 is 0.5 millimeter, the thickness of described enhancement Layer 5 is 0.5 millimeter, the thickness of described protective layer 6 is 0.4 millimeter, and the thickness of described outer jacket 7 is 0.2 millimeter.
Described anti-extrusion signal cable, described enhancement Layer 5 is made up of the raw material of following weight part number: described anti-extrusion signal cable, the preparation method of the material of described protective layer 6 comprises: by the epoxy silicone of above-mentioned weight part, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene heating and melting at ambient pressure, stir evenly, it is forced into 9MPa and keeps 25 minutes, then nano aluminium oxide and the nano titanium oxide of above-mentioned weight part is added, it is decompressed to 60Pa immediately and keeps 50 minutes, return to normal pressure;Wherein, keep the ultrasonic irradiation in stage 20KHz at 9MPa, keep the ultrasonic irradiation in stage 30KHz at 60Pa.
In order to the effect of the present invention is described, contriver provides comparative experiments as follows:
<comparative example 1>
At the anti-extrusion signal cable of making, it may also be useful to the polyethylene that density is 0.965 gram/cc makes isolator, completely identical in all the other parameters and example 3, technological process is also completely identical.
<comparative example 2>
At the anti-extrusion signal cable of making, it may also be useful to enhancement Layer material in do not add nano aluminium oxide and nano titanium oxide, completely identical in all the other parameters and example 3, technological process is also completely identical.
The test parameter of the signal cable that each example of table 1 and comparative example obtain
| Tensile strength (GPa) | Compressive load (kN) | |
| Example 1 | 1.76 | 85 |
| Example 2 | 1.73 | 81 |
| Example 3 | 1.72 | 81 |
| Comparative example 1 | 1.75 | 52 |
| Comparative example 2 | 1.39 | 73 |
Can finding out from upper table 1, the signal cable of the present invention has extremely strong tension compressive property. And owing to adopting the polyethylene of 0.922 gram/cc as isolator in example 3, the situation that its compressive load is significantly higher than in comparative example 1. And with the addition of nano aluminium oxide and nano titanium oxide in the material of the enhancement Layer in example 3, its tensile strength and compressive load are all far above the situation in comparative example 2.
Although embodiment of the present invention are open as above, but listed utilization that it is not restricted in specification sheets and enforcement mode, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore claim is not being deviated from and under general concept that equivalency range limits, the present invention is not limited to specific details and illustrates and the legend described here.
Claims (6)
1. an anti-extrusion signal cable, it is characterised in that, comprising:
Cable core, it comprises an isolator and Duo Gen core, the inside of described isolator has offered multiple first through hole and multiple 2nd through hole vertically, 3��6 the 2nd through holes all it are surrounded with around each first through hole, described many cores are placed in described multiple first through hole respectively, for each core, it comprises conductor, the polyester belt of coated described conductor and the copper cash braid of coated described polyester belt, and the material of described isolator is density is the polyethylene of 0.920��0.923 gram/cc;
Sheath, its coated described cable core, the inside of described sheath has offered multiple third through-hole vertically, and the material of described sheath is density is the polyethylene of 0.934��0.936 gram/cc;
Screen layer, its coated described sheath, described screen layer is woven with tinned wird by zinc-plated copper cash, carbon fiber, nickel plated copper wire, wherein, described carbon fiber is as warp, and described zinc-plated copper cash, described nickel plated copper wire and the even interval of described tinned wird are as parallel;
Middle sheath, its coated described screen layer, described middle sheath inside has offered multiple fourth hole vertically, the number of described fourth hole is identical with the number of described third through-hole, and any one radial section for described signal cable, the position that each fourth hole is arranged between adjacent two third through-holes, the material of described middle sheath is density is the polyethylene of 0.965��0.969 gram/cc;
Enhancement Layer, its coated described middle sheath, the material of described enhancement Layer is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 20��30 parts, polyarylester 20��30 parts, polyamide resin 10��20 parts, tetrafluoroethylene 50��60 parts, nano aluminium oxide 3��5 parts, nano titanium oxide 1��2 part;
Protective layer, its coated described enhancement Layer, described protective layer is woven with aramid fiber by steel fiber, aluminum silicate fiber, ceramic fiber, phenolic fibre, polyvinyl alcohol fiber, polyacrylonitrile fibre, nylon fibre;
Outer jacket, its coated described protective layer, the material of described outer jacket is ethylene-tetrafluoroethylene copolymer.
2. anti-extrusion signal cable as claimed in claim 1, it is characterised in that, the number of described first through hole is 3��6, around each first through hole around the number of the 2nd through hole be 5.
3. anti-extrusion signal cable as claimed in claim 1, it is characterised in that, the radial section of described third through-hole is oval, and the radial section of described fourth hole is circular, and the number of described third through-hole and described fourth hole is 20��35.
4. anti-extrusion signal cable as claimed in claim 1, it is characterized in that, the thickness of described sheath is 0.5 millimeter, the thickness of described screen layer is 0.2 millimeter, the thickness of described middle sheath is 0.5 millimeter, the thickness of described enhancement Layer is 0.5 millimeter, and the thickness of described protective layer is 0.4 millimeter, and the thickness of described outer jacket is 0.2 millimeter.
5. anti-extrusion signal cable as claimed in claim 1, it is characterized in that, described enhancement Layer is made up of the raw material of following weight part number: epoxy silicone 100 parts, butyl acrylate 25 parts, polyarylester 25 parts, polyamide resin 15 parts, tetrafluoroethylene 50 parts, nano aluminium oxide 4 parts and nano titanium oxide 1.2 parts.
6. anti-extrusion signal cable as described in claim 1 or 5, it is characterized in that, the preparation method of the material of described enhancement Layer comprises: by the epoxy silicone of above-mentioned weight part, butyl acrylate, polyarylester, polyamide resin and tetrafluoroethylene heating and melting at ambient pressure, stir evenly, it is forced into 8��10MPa to keep 20��30 minutes, then add nano aluminium oxide and the nano titanium oxide of above-mentioned weight part, it is decompressed to 50��80Pa immediately and keeps 40��60 minutes, return to normal pressure; Wherein, keep the ultrasonic irradiation in stage 20KHz at 8��10MPa, keep the ultrasonic irradiation in stage 30KHz at 50��80Pa.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110400656A (en) * | 2019-02-22 | 2019-11-01 | 淮南文峰航天电缆有限公司 | A kind of cloud floating mooring photoelectric comprehensive transmission cable |
| CN111679386A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Flexible optical cable |
| CN112992412A (en) * | 2021-03-16 | 2021-06-18 | 杭州川口特种电线电缆有限公司 | Special cable for flexible wear-resistant oil-resistant ink-jet printer |
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| CN103956203A (en) * | 2014-04-14 | 2014-07-30 | 安徽复兴电缆集团有限公司 | Flexible flat cable |
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| US20020079126A1 (en) * | 1998-08-27 | 2002-06-27 | Valenzuela Eduardo Dominguez | Insulated electrical cables |
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| CN111679386A (en) * | 2020-06-22 | 2020-09-18 | 杭州富通通信技术股份有限公司 | Flexible optical cable |
| CN112992412A (en) * | 2021-03-16 | 2021-06-18 | 杭州川口特种电线电缆有限公司 | Special cable for flexible wear-resistant oil-resistant ink-jet printer |
| CN112992412B (en) * | 2021-03-16 | 2023-02-17 | 杭州川口特种电线电缆有限公司 | Special cable for flexible wear-resistant oil-resistant ink-jet printer |
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| CN105655021B (en) | 2017-07-07 |
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Denomination of invention: Anti extrusion signal cable Granted publication date: 20170707 Pledgee: Industrial and Commercial Bank of China Limited Lanxi sub branch Pledgor: ZHEJIANG LANTIAN CABLES Co.,Ltd. Registration number: Y2024980017827 |