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WO2018184349A1 - Câble électrique ou optique facilement identifiable dans des conditions de lumière vive et sombre et son procédé de fabrication - Google Patents

Câble électrique ou optique facilement identifiable dans des conditions de lumière vive et sombre et son procédé de fabrication Download PDF

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Publication number
WO2018184349A1
WO2018184349A1 PCT/CN2017/101153 CN2017101153W WO2018184349A1 WO 2018184349 A1 WO2018184349 A1 WO 2018184349A1 CN 2017101153 W CN2017101153 W CN 2017101153W WO 2018184349 A1 WO2018184349 A1 WO 2018184349A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
sheath
cable
strip
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/101153
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English (en)
Chinese (zh)
Inventor
袁红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Bangzhi Photoelectric Technology Co Ltd
Original Assignee
Changshu Bangzhi Photoelectric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changshu Bangzhi Photoelectric Technology Co Ltd filed Critical Changshu Bangzhi Photoelectric Technology Co Ltd
Priority to CN201780087364.XA priority Critical patent/CN110402470B/zh
Publication of WO2018184349A1 publication Critical patent/WO2018184349A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4482—Code or colour marking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
    • H01B13/342—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables by applying marked tape, thread or wire on the full length of the conductor or cable
    • 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
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/366—Insulated conductors or cables characterised by their form with distinguishing or length marks being a tape, thread or wire extending the full length of the conductor or cable

Definitions

  • Cable or optical cable which is easy to identify under bright and dark conditions and manufacturing method thereof
  • the present invention belongs to the technical field of optical, cable, electric power and communication construction, and particularly relates to a cable or optical cable which is easily identifiable under both bright and dark conditions and a manufacturing method thereof.
  • CN202615012U discloses an anti-shooting night vision optical cable comprising a cable core 1 and an inner sheath 2 encasing the cable core 1, the cable core 1 comprising a fiber unit 3 and a reinforcing member 4 disposed around the fiber unit 3, The reinforcing member 4 is twisted into a compact circular shape around the optical fiber unit 3, and the optical fiber unit 3 includes an optical fiber 6 and a loose tube 5 encasing the optical fiber 6.
  • the inner wall of the inner sheath 2 is continuously distributed. There is a notch 7 along the direction in which the cable extends, and the outer sheath 2 is also wrapped with an outer sheath 8 on the outer sheath 8, and a night light-emitting strip 9 is also disposed on the outer sheath 8.
  • CN105717596A discloses a self-supporting aerial cable which can be recognized by night vision, and is characterized in that it comprises: a cable core, an outer sheath covering the core, and a single steel wire or glass fiber reinforced plastic.
  • CN103048758A discloses a night vision cable; it comprises a cable core and a protective layer coated on the cable core
  • the outer sheath is formed with at least one marking strip different in color from the outer sheath, and the marking strip is integrated with the outer sheath, in the optical cable
  • the outer edge of the marking strip is on the same circumference as the outer edge of the outer sheath
  • the inner edge of the marking strip is an arc and its center is centered on the outer edge of the outer sheath and the inner edge of the outer sheath
  • the center of the circle is coincident;
  • the marking strip can emit light;
  • the marking strip contains the following raw materials: 1 has the same main material as the outer sheath; 2 commercially available polyethylene masterbatch; 3 injection special luminous powder: 4 luminous enhanced addition powder.
  • the invention has the beneficial effects of being easy to identify, convenient for construction, convenient for nighttime repair and maintenance, and can be clearly recognized at night.
  • the above solution is to extrude an identification strip on a cable jacket.
  • the identification strip may have the functions of luminous and bright light recognition.
  • this method has the following main defects: (1) Multicolor is required The machine head, or a variety of molds, the same extrusion or injection molding, this method not only increases the investment of machinery and equipment, but also uses more venues, the combination of the marking strip and the sheath layer will also follow the daytime The change is small and the torsion resistance is relatively poor; (2) The management of various color strips and molds is troublesome, and different outer diameters require different color separation molds or jacket extrusion molds, resulting in an increase in cost.
  • CN204595274U discloses a communication light-emitting cable, which comprises a cable core, a protective layer covering the cable core, and an inner sheath extruded and coated on the outer layer of the protective layer.
  • a central reinforcing member which is distributed in a parallel or stranded manner, and is provided with a plurality of loose tube sleeves outside the reinforcing member, and a wrapping layer which is wrapped with a plurality of loose tubes, each of which has at least one optical fiber;
  • the outer edge of the inner sheath has a plurality of grooves recessed toward the inner edge of the inner sheath, the groove has a light-emitting layer, the outer edge of the inner sheath has no groove, and the outer edge of the light-emitting layer is located.
  • the inner sheath and the outer layer of the light-emitting layer are extrusion-coated with a protective layer; the light-emitting layer is extruded and embedded in the groove together with the inner sheath; the protective layer is transparent.
  • the luminescent layer is also extruded.
  • the diameter of the cable or cable is different, and the extrusion dies of the inner sheath are different.
  • the mold and thickness and width of the extruded luminescent layer are different.
  • rare earth materials have the characteristics of light-emitting and light-emitting, and their elements have a special electronic layer structure. After the outer electrons are excited, the transition from the ground state to the excited state and then from the excited state to the ground state The energy is released in the form of light; therefore, most of the rare earth luminescent materials absorb only 5 points of visible light.
  • the clock can continue to shine for more than 10 hours in the dark state, and can be recycled, non-toxic, harmless, non-radioactive, and has a life span of about 200 years.
  • the technical problems to be solved by the present invention are: high cost, difficulty in manufacturing, versatile extrusion molds, troublesome maintenance; technical problems such as uneven width of the strips.
  • an object of the present invention is to disclose a cable or optical cable which is easily identifiable under both bright and dark conditions and a method of manufacturing the same, which are realized by the following technical solutions.
  • a cable or cable that is easily identifiable under both bright and dim light conditions comprising a cable or cable core, a protective layer covering the cable or cable core, and a squeeze Plastically sheathing a sheath layer outside the protective layer, the outer edge of the sheath layer having at least one sheath groove, wherein the sheath groove has a night vision unit, and the sheath layer has a sheath layer and a transparent light-transmitting strip covered by the night vision unit; the night vision unit is a linear or rope-like structure that emits visible light after absorbing visible light.
  • the above-mentioned cable or optical cable which is easily identifiable under both bright and dark conditions, wherein the light-transmitting strip is extruded and wrapped around the sheath layer and the night vision unit;
  • the material is plastic, preferably polyvinyl chloride or polytetrafluoroethylene.
  • a cable or optical cable that is easily identifiable under both bright and dim light conditions, comprising a cable or cable core, a sheath layer covering the cable or the cable core, and a sheath layer
  • the outer edge has at least one sheath groove, wherein: a light-transmitting strip is embedded in the sheath groove; the sheath groove is formed by the first portion of the sheath groove, the second portion of the sheath groove, and the sheath
  • the third portion of the groove and the fourth portion of the sheath groove are formed, and one end of the third portion of the sheath groove is connected with the first portion of the sheath groove and the second portion of the sheath groove, and the third portion of the sheath groove
  • the other end is connected to the fourth portion of the sheath groove, the first portion of the sheath groove is connected to the second portion of the sheath groove, and the outer portion of the first portion of the sheath groove and the second portion of the sheath groove are in the same cylinder
  • the light-transmitting strip is composed of a first portion of the light-transmitting strip, a second portion of the light-transmitting strip, a third portion of the light-transmitting strip, and a fourth portion of the light-transmitting strip, and the first portion of the light-transmitting strip is opposite to the second portion of the light-transmitting strip Connecting and transmitting the first part of the light strip
  • the outer edge of the second portion of the light strip is on the surface of the same cylinder, and the upper end of the third portion of the light-transmitting strip is connected to the first portion of the light-transmitting strip and the second portion of the light-transmitting strip, and the lower end of the third portion of the light-transmitting strip is transparent
  • the fourth part of the light strip is connected, and the fourth part of the light strip has a night vision hole penetrating along the length direction of the fourth part of the light strip, and the fourth part of the light strip is a cylinder with a center angle greater than 270 degrees, from the
  • the first portion of the light-transmitting strip may be caught in the first portion of the sheath groove
  • the second portion of the light-transmitting strip may be caught in the second portion of the sheath groove
  • the third portion of the light-transmitting strip may be The third portion of the light transmissive strip is snapped into the fourth portion of the sheath recess and can be integrated with the fourth portion of the sheath recess.
  • the fourth portion of the light-transmitting strip has a mouth groove that communicates with the night vision hole.
  • the cable or the optical cable that is easily identifiable under both bright and dark conditions, wherein the first portion of the light-transmitting strip, the second portion of the light-transmitting strip, and the third of the light-transmitting strip
  • the materials are plastic or glass, preferably polyvinyl chloride or polytetrafluoroethylene.
  • a cable or cable that is easily identifiable under both bright and dim light conditions in any of the above embodiments, wherein the cable or cable core has at least one power line or at least one transmission.
  • a plurality of crucibles may be symmetrically or asymmetrically distributed on the outer edge of the jacket layer.
  • a method for manufacturing a cable or an optical cable that is easily identifiable under both bright and dim light conditions characterized in that it is Complete the following steps to complete the manufacturing:
  • First step taking a power line having at least one power transmission or an optical fiber having at least one transmission signal or a cable or cable core having a metal component wire having at least one transmission signal; extruding through the sheath The center hole of the core and the cable or cable core;
  • Step 2 coating an aluminum strip or a steel strip or a water blocking strip or a non-woven fabric over the cable or cable core of the first step to form a protective layer; or using low density polyethylene or medium density polyethylene or High density polyethylene or polypropylene extrusion coated to form a protective layer outside the cable or cable core of the first step;
  • the third step extrusion molding low density polyethylene or medium density polyethylene or high density polyethylene or polypropylene to form a sheath layer outside the protective layer formed in the second step, and making the outer layer of the sheath layer The edge forms at least one sheath groove
  • Step 4 Take a color luminous ray filament or luminous embroidery thread of the type 150D or any kind of night light or luminous rope with a luminescent rare earth component, and put it into the sheath groove formed in the third step.
  • a night vision unit inside; or a 150D color luminous polyester filament or luminous embroidery thread or any kind of night light or luminous rope with radiant rare earth component can be inserted into the third step after passing through the viscose liquid.
  • a night vision unit is formed in the recess of the sheath; the night vision unit is a linear or rope-like structure that emits visible light after absorbing visible light; and is coated with transparent polyvinyl chloride or transparent polytetrafluoroethylene.
  • a light-transmissive strip is formed outside the sheath layer and the night vision unit; the manufacture of a cable or optical cable that is easily identifiable under both bright and dark conditions is completed.
  • a method of manufacturing a cable or cable that is easily identifiable under both bright and dim light conditions characterized in that it is accomplished by the following steps:
  • First step taking a power line having at least one power transmission or an optical fiber having at least one transmission signal or a cable or cable core having at least one transmission signal having a metal component; extruding through the sheath The center hole of the core and the cable or cable core;
  • the second step extrusion molding low-density polyethylene or medium-density polyethylene or high-density polyethylene or polypropylene in the first step of the cable or cable core to form a sheath layer, and the sheath layer
  • the outer edge forms at least one sheath groove; the sheath groove is composed of a first portion of the sheath groove, a second portion of the sheath groove, a third portion of the sheath groove, and a fourth portion of the sheath groove.
  • One end of the third portion of the sheath groove is connected to the first portion of the sheath groove and the second portion of the sheath groove, and the other end of the third portion of the sheath groove is connected to the fourth portion of the sheath groove, the sheath
  • the first portion of the groove is connected to the second portion of the sheath groove, and the first portion of the sheath groove is
  • the outer edge of the second portion of the sheath groove is on the surface of the same cylinder
  • the fourth portion of the sheath groove is a cylindrical groove having a central angle greater than 270 degrees, from the other end of the third portion of the sheath groove to the protection
  • the size of one end of the third portion of the sleeve is gradually increased;
  • the third step embedding the light-transmitting strip in the sheath groove formed in the second step, the light-transmitting strip is composed of the first part of the light-transmitting strip, the second part of the light-transmitting strip, and the third part of the light-transmitting strip,
  • the fourth part of the light strip is formed, the first part of the light strip is connected with the second part of the light strip and the first part of the light strip is on the surface of the same cylinder with the outer edge of the second part of the light strip, the light strip
  • the upper end of the three parts is connected with the first part of the light-transmitting strip and the second part of the light-transmitting strip, the lower end of the third part of the light-transmitting strip is connected with the fourth part of the light-transmitting strip, and the fourth part of the light-transmitting strip has the fourth along the light-transmissive strip a night vision hole running through part of the length direction, and the fourth portion of the light transmission strip is a cylinder having a central
  • the invention has the following main beneficial technical effects: reducing the input of the marking strip extrusion equipment and reducing the occupation of the site; the replacement and repairability of the luminous recognition unit is stronger, the cost of the luminous recognition is lower, and the manufacturing is more convenient. , more efficient manufacturing and better recognition performance.
  • FIG. 1 is a schematic perspective view of a section of the anatomy of the preferred embodiment.
  • FIG. 2 is an enlarged schematic cross-sectional view of FIG. 1.
  • FIG. 3 is a perspective exploded perspective view of an embodiment of the present invention (another embodiment) after an anatomical anatomy. [0034] FIG.
  • FIG. 4 is an enlarged front view of FIG. 3.
  • FIG. 5 is a schematic perspective view showing an enlarged structure of one of the light-transmitting strips used in FIG. 3.
  • FIG. 6 is a schematic perspective view showing an enlarged structure of one of the light-transmitting strips used in still another embodiment.
  • Figure 7 is an enlarged front elevational view of Figure 6.
  • a cable or optical cable which is easily identifiable under both bright and dim light conditions, and includes a cable or cable core 1.
  • a protective layer covering the cable or cable core 2.
  • the above-mentioned cable or optical cable which is easily identifiable under both bright and dark conditions, wherein the light-transmissive strip is extruded and wrapped around the sheath layer and the night vision unit;
  • the material is plastic, preferably polyvinyl chloride Or Teflon.
  • the above-mentioned cable or optical cable which is easily identifiable under both bright and dim light conditions, wherein the cable or the cable core has at least one power line for transmitting power or at least one fiber for transmitting signals or at least A wire having a metal component having a transmission signal; the cable or cable core is any structural core of the prior art.
  • the above-mentioned cable or optical cable which is easy to identify under both bright and dark conditions, wherein the night vision unit is a model produced by Changshu Jianghui Fiber Products Technology Co., Ltd.: 150D color luminous polyester filament yarn or Luminous embroidery thread or any kind of night light or luminous rope with luminescent rare earth elements available on the market.
  • a method of manufacturing a cable or cable that is easily identifiable under both bright and dim light conditions characterized in that it is manufactured by the following steps:
  • First step taking a power line having at least one power transmission or an optical fiber having at least one transmission signal or a cable or cable core having at least one transmission signal having a metal component; extruding through the sheath The center hole of the core and the cable or cable core;
  • Step 2 coating an aluminum strip or a steel strip or a water blocking strip or a non-woven fabric over the cable or cable core of the first step to form a protective layer; or using low density polyethylene or medium density polyethylene or High density polyethylene or polypropylene extrusion coated to form a protective layer outside the cable or cable core of the first step;
  • the third step extrusion molding low density polyethylene or medium density polyethylene or high density polyethylene or polypropylene to form a sheath layer outside the protective layer formed in the second step, and making the outer layer of the sheath layer The edge forms at least one sheath groove
  • Step 4 Take a 150D color luminous polyester filament or luminous embroidery thread or any kind of night light or luminous rope with a luminescent rare earth component, and put it into the sheath groove formed in the third step.
  • a night vision unit inside; or a 150D color luminous polyester filament or luminous embroidery thread or any kind of night light or luminous rope with radiant rare earth component can be inserted into the third step after passing through the viscose liquid.
  • a night vision unit is formed in the recess of the sheath; the night vision unit is a linear or rope-like structure that emits visible light after absorbing visible light; and is coated with transparent polyvinyl chloride or transparent polytetrafluoroethylene.
  • a light-transmissive strip is formed outside the sheath layer and the night vision unit; the manufacture of a cable or optical cable that is easily identifiable under both bright and dark conditions is completed.
  • the sheath groove is formed by the notch of the mold during the extrusion of the sheath layer, the crucible is directly formed, and the night vision unit is directly placed into the corresponding position of the mold forming the sheath groove.
  • traction sheath Layers complete the night vision unit to pull together; or in the extrusion of the luminous strips, put into the jacket groove to pull together, this way does not require additional mold and extrusion equipment, reducing the equipment investment and venue Occupancy, because the night vision unit itself can have a color, so that due to the presence of the light-transmissive strip, the bright light ⁇ can also distinguish the color of the inner night vision unit, and the cable can be easily recognized, after receiving the light, due to The light storage effect of rare earths, at night, because the rare earths in the night vision unit emit bright and unobtrusive light, the cable can be easily identified at night or in the dark light; on the other hand, Infiltrating into a strong reflective material such as glass.
  • the recognition of bright light and dark light can be achieved even without passing through the night vision unit.
  • This embodiment completely avoids the phenomenon that the identification strip color master fade in the prior art is unrecognizable; Moreover, the light-transmissive strip seals the sheath layer, the sheath groove, and the night vision unit; thus, the illumination and recognition life of the night vision unit can be made longer.
  • a cable or optical cable which is easily identifiable under both bright and dim light conditions, and includes a cable or cable core 1 and a sheath layer 3 covering the cable or the cable core.
  • the outer edge of the sheath layer has at least one sheath groove 31, wherein: the light shielding strip 5 is embedded in the sheath groove; the sheath groove is formed by the first portion 311 of the sheath groove and the sheath concave The second portion 312 of the groove, the third portion 313 of the sheath groove, and the fourth portion 314 of the sheath groove are formed.
  • One end of the third portion of the sheath groove is opposite to the first portion of the sheath groove and the second portion of the sheath groove. Connecting, the other end of the third portion of the sheath groove is connected to the fourth portion of the sheath groove, the first portion of the sheath groove is connected to the second portion of the sheath groove, the first portion of the sheath groove and the sheath concave
  • the outer edge of the second portion of the groove is on the surface of the same cylinder
  • the fourth portion of the sheath groove is a cylindrical groove having a central angle greater than 270 degrees, from the other end of the third portion of the sheath groove to the sheath groove
  • the size of one end of the third portion gradually increases;
  • the light-transmitting strip is composed of a first portion 51 of the light-transmitting strip, a second portion 52 of the light-transmitting strip, a third portion 53 of the light-transmitting strip, and a fourth portion 54 of the light-transmitting strip, and the first portion of the light-transmitting strip and the light-transmitting strip.
  • the second part is connected and the first part of the light-transmissive strip is on the same cylinder surface as the outer edge of the second part of the light-transmitting strip, the upper end of the third part of the light-transmitting strip and the first part of the light-transmitting strip and the second light-transmissive strip Partially connected, the lower end of the third portion of the light-transmitting strip is connected to the fourth portion of the light-transmitting strip, and the fourth portion of the light-transmitting strip has a night vision hole 55 extending through the longitudinal direction of the fourth portion of the light-transmitting strip, and the fourth portion of the light-transmitting strip For
  • the first portion of the light-transmitting strip may be caught in the first portion of the sheath groove
  • the second portion of the light-transmitting strip may be caught in the second portion of the sheath groove
  • the third portion of the light-transmitting strip may be The third portion of the light transmissive strip is snapped into the fourth portion of the sheath recess and can be integrated with the fourth portion of the sheath recess.
  • the fourth portion of the light-transmitting strip can only be loaded or removed from the axial direction of the fourth portion of the sheath groove; Secondly, the fourth portion of the light-transmissive strip can be forcefully inserted from the third portion of the sheath groove into the fourth portion of the sheath groove and the fourth portion of the light-transmitting strip can be forced from the fourth portion of the sheath groove to the sheath The third part of the groove is pulled out.
  • the above-mentioned cable or optical cable which is easily identifiable under both bright and dark conditions wherein the first part of the light-transmitting strip, the second part of the light-transmitting strip, and the third part of the light-transmitting strip are all materials Plastic or glass, preferably polyvinyl chloride or polytetrafluoroethylene.
  • the above-mentioned cable or optical cable which is easily identifiable under both bright and dim light conditions, wherein the cable or the cable core has at least one power line for transmitting power or at least one fiber for transmitting signals or at least A wire having a metal component having a transmission signal; the cable or cable core is any structural core of the prior art.
  • the night vision unit is a model produced by Changshu Jianghui Fiber Products Technology Co., Ltd.: 150D color luminous polyester filament yarn or Luminous embroidery thread or any kind of night light or luminous rope with luminescent rare earth elements available on the market or rare earth or rare earth rare earth paint.
  • the night vision The unit is located in the light-transmitting strip, and the light-transmitting strip can be separately produced and sold. Moreover, it is not necessary to pass the extrusion marking strip, which can achieve the general purpose, and can be applied to different optical cables, cables, photoelectric integrated cables, and photoelectric composite cables.
  • this method does not require additional mold and extrusion equipment, reducing equipment input and site occupation, since the night vision unit itself can have color In this way, due to the presence of the light-transmitting strip, the bright light ray can also distinguish the color of the night vision unit inside, and the cable can be easily recognized.
  • the light storage effect of the rare earth at night, due to the night
  • the rare earth in the viewcell emits eye-catching and unobtrusive light, so the cable can be easily identified at night or in the dark.
  • the light-transmitting strip can penetrate into the strong reflective material such as glass, in this case, Even if the night vision unit is not passed, the recognition of bright light and dark light can be achieved; this embodiment completely avoids the prior art standard
  • the fading of the color masterbatch causes an unrecognizable phenomenon; and the light-transmissive strip seals the sheath layer, the sheath groove, and the night vision unit; thus, the illumination and recognition life of the night vision unit can be made longer;
  • the night vision strip of the present invention It may be used in a cable that has already been produced to retrofit a cable that has been produced in the prior art and then embed a night vision bar.
  • the rare earth in the night vision unit can emit light of different colors
  • multiple identifications of the same color can be used, and identification of different colors can also be performed. Therefore, the identification method and the type are more convenient and flexible. .
  • the night vision unit is extremely easy to replace, and the extrusion molding in the prior art cannot be replaced, and the related material can only be stripped and re-extruded. Therefore, the replacement of the invention is more convenient and more flexible.
  • the most preferred manner is that the material of the fourth portion of the light-transmitting strip is dark, such as black, in this case, easier to identify; the preferred embodiment of the present invention
  • the most preferred way is that the material of the sheath layer 3 is dark, such as black, in which case it is easier to identify.
  • a method for manufacturing a cable or cable that is easily identifiable under both bright and dim light conditions characterized in that it is accomplished by the following steps: [0066] First step: taking a power line having at least one power transmission or an optical fiber having at least one transmission signal or a cable or cable core having at least one transmission signal having a metal component; extruding through the sheath The center hole of the core and the cable or cable core;
  • the second step extrusion coating low density polyethylene or medium density polyethylene or high density polyethylene or polypropylene in the first step of the cable or cable core to form a jacket layer, and the sheath layer
  • the outer edge forms at least one sheath groove; the sheath groove is composed of a first portion of the sheath groove, a second portion of the sheath groove, a third portion of the sheath groove, and a fourth portion of the sheath groove.
  • One end of the third portion of the sheath groove is connected to the first portion of the sheath groove and the second portion of the sheath groove, and the other end of the third portion of the sheath groove is connected to the fourth portion of the sheath groove, the sheath
  • the first portion of the groove is connected to the second portion of the sheath groove, and the outer portion of the first portion of the sheath groove and the second portion of the sheath groove is on the surface of the same cylinder, and the fourth portion of the sheath groove is a central angle a cylindrical groove larger than 270 degrees, the size from the other end of the third portion of the sheath groove to the end of the third portion of the sheath groove is gradually increased;
  • the third step embedding the light-transmitting strip in the sheath groove formed in the second step, the light-transmitting strip is composed of the first part of the light-transmitting strip, the second part of the light-transmitting strip, and the third part of the light-transmitting strip,
  • the fourth part of the light strip is formed, the first part of the light strip is connected with the second part of the light strip and the first part of the light strip is on the surface of the same cylinder with the outer edge of the second part of the light strip, the light strip
  • the upper end of the three parts is connected with the first part of the light-transmitting strip and the second part of the light-transmitting strip, the lower end of the third part of the light-transmitting strip is connected with the fourth part of the light-transmitting strip, and the fourth part of the light-transmitting strip has the fourth along the light-transmissive strip a night vision hole running through part of the length direction, and the fourth portion of the light transmission strip is a cylinder having a central
  • the night vision unit is a 150D color luminous polyester filament or luminous embroidery thread or any kind of night light with a luminescent rare earth component or
  • the luminous rope is formed in the night vision hole after passing through the viscose liquid; the manufacture of the cable or optical cable which is easily recognized under the condition of bright light and dark light is completed.
  • the night light of the cable or the optical cable or the method for manufacturing the same which is easily identifiable under both bright and dim light conditions, is made of the following materials by weight: A1 2 0 3 : 10 -15 parts, SrAl 2 0 4: 35-45 parts, Eu 2 0 3: 20-28 parts, polyvinyl alcohol: 1-3 parts, polyethylene: 10-15 parts, methyl cellulose: 3-5 parts , alkyl acrylate: 2-6 parts, polybutylene terephthalate: 4-10 parts, epoxy resin: 20-30 parts, polyester yarn or nylon yarn or aramid yarn: 1500-1800 parts; The polyester or nylon or aramid yarn is located in the center of the night light, A1 2 0 3 , SrAl 2 0 4 , Eu 2 0 3 , polyvinyl alcohol, polyethylene, methyl cellulose, alkyl acrylate, poly The butylene terephthalate and the epoxy resin are uniformly mixed and then cured to form a luminous layer other than the polyester yarn or
  • the night light the least strong nylon yarn, the minimum breaking strength is greater than 400N, the minimum tear strength is 15N, the maximum drape coefficient is 15%, and the minimum value of the slow crease recovery angle is 320 degrees; After a small direct sunlight, the afterglow is no less than 12 hours, so it can meet the needs of night or dark light recognition.
  • the solution in the invention greatly saves the consumption of rare earth materials, and the cost is lower.
  • the present invention has been successfully developed and has been used in the field of industrial technology; therefore, the present invention has industrial applicability.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Insulated Conductors (AREA)
  • Ropes Or Cables (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

La présente invention concerne les domaines techniques des câbles optiques et électriques, et des constructions d'alimentation et de communication, en particulier un câble électrique ou optique facilement identifiable dans des conditions de lumière vive et sombre, le câble comprenant une âme de câble électrique ou optique (1), une couche de protection (2) entourant l'âme de câble électrique ou optique (1), et une couche de gaine (3) extrudée sur et entourant la couche de protection (2), la couche de gaine (3) ayant au moins une rainure de gaine (31) sur sa périphérie; la rainure de gaine (31) ayant une unité lumineuse (4) à l'intérieur de celle-ci, et la couche de gaine (3) et l'unité lumineuse (4) sont entourées d'une bande transparente transmettant la lumière (5); l'unité lumineuse (4) est une structure linéaire ou en forme de bande qui peut émettre de la lumière visible après absorption de la lumière visible. La présente invention présente principalement les effets techniques avantageux suivants : l'investissement réduit dans un appareil d'extrusion pour bandes d'identification, une utilisation d'espace réduite, une aptitude au remplacement et une aptitude à la réparation améliorées d'une unité d'identification lumineuse, un coût inférieur pour une identification lumineuse, une production plus commode, une efficacité de fabrication plus élevée, et une meilleure performance d'identification.
PCT/CN2017/101153 2017-04-04 2017-09-10 Câble électrique ou optique facilement identifiable dans des conditions de lumière vive et sombre et son procédé de fabrication Ceased WO2018184349A1 (fr)

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