CN113066615A - Communication cable production process and communication cable - Google Patents
Communication cable production process and communication cable Download PDFInfo
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- CN113066615A CN113066615A CN202110340965.5A CN202110340965A CN113066615A CN 113066615 A CN113066615 A CN 113066615A CN 202110340965 A CN202110340965 A CN 202110340965A CN 113066615 A CN113066615 A CN 113066615A
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- communication cable
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- honeycomb
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- 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
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- 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
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
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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
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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
- H01B7/42—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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- 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
- H01B7/428—Heat conduction
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention provides a communication cable production process and a communication cable, comprising the following steps: s1, processing an inner core; s2, coating with a glass fiber layer: taking a plurality of inner cores to be twisted to form an original wire, and weaving glass fiber wires outside the original wire to form a glass fiber layer; s3, coating with an aluminum foil layer: wrapping an aluminum foil on the outer side of the glass fiber layer to form an aluminum foil layer; s4, the heat conduction layer wraps: winding a heat conducting strip on the outer side of the aluminum foil layer, and winding a honeycomb-shaped heat dissipation strip on the outer side of the heat conducting strip to form a heat conducting layer; s5, sheathing with a sheath layer: and the sheath strip is wound on the outer side of the heat conduction layer to form a sheath layer. The heat generated in the communication cable can be uniformly radiated to the outside through the aluminum foil layer, the heat conducting strip layer, the honeycomb heat radiating strip layer and the heat conducting silica gel layer in sequence, so that the heat loss of the communication cable load and the electric energy loss are prevented, the fire escaping phenomenon is generated due to the overheating of the communication cable load, the load usability, the flame retardance and the safety of the cable are effectively ensured, and the use qualification rate and the safety of the communication cable are achieved.
Description
Technical Field
The invention relates to the technical field of communication cables, in particular to a communication cable production process and a communication cable.
Background
The communication cable is used for transmitting telephone, telegraph, facsimile document and other electric signals and is formed by twisting more than one pair of mutually insulated conducting wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality and the like.
In the prior art, under the influence of flame and heat, the outer layer of the communication cable often generates phenomena of melting, melting or dripping and the like, the flame retardant property of the communication cable is poor, and the heat dissipation capacity in the communication cable is poor, and the phenomenon of fire escaping is easily generated due to overheating, so that the flame retardant property and the heat conductivity of the wire and cable are improved, and the problem of improving the use safety of the communication cable is particularly critical.
Disclosure of Invention
In view of the above problems, the present invention is directed to solving the above-described problems. It is an object of the present invention to provide a method for preparing a communication cable and a communication cable solving the above problems.
A production process of a communication cable comprises the following steps:
s1, processing an inner core;
s2, coating with a glass fiber layer: taking a plurality of inner cores to be twisted to form an original wire, and weaving glass fiber wires outside the original wire to form a glass fiber layer;
s3, coating with an aluminum foil layer: wrapping an aluminum foil on the outer side of the glass fiber layer to form an aluminum foil layer;
s4, the heat conduction layer wraps: winding a heat conducting strip on the outer side of the aluminum foil layer, and winding a honeycomb-shaped heat dissipation strip on the outer side of the heat conducting strip to form a heat conducting layer;
s5, sheathing with a sheath layer: and the sheath strip is wound on the outer side of the heat conduction layer to form a sheath layer.
Preferably, the heat conducting layer covers and also comprises: solid-liquid phase change particles are filled in honeycomb holes of the honeycomb heat dissipation strip.
Preferably, the step of filling solid-liquid phase change particles in the honeycomb holes of the silica gel bulk bars specifically includes:
gradually filling solid-liquid phase change particles into honeycomb holes of the honeycomb heat dissipation strips through a feeder; and (3) spraying the heated easily-decomposed high polymer material onto the surface of the honeycomb-shaped heat dissipation strip through a spray gun, so as to package the solid-liquid phase change particles.
Preferably, the honeycomb aperture of the honeycomb-shaped heat dissipation strip is not more than 10 mm; the spraying speed of the spray gun is 4-12ml/min, when the thickness of the polymer material film is at least 1mm, the spraying is stopped, and the polymer material film is completely formed by at least air cooling for 4-10 min.
Preferably, the sheath layer covering comprises:
and winding the heat conduction side of the sheath strip on the outer surface of the heat conduction layer, and spraying a waterproof layer on the outer side of the sheath layer.
A communication cable is prepared by the production process of the communication cable, and comprises an inner core, a glass fiber layer, an aluminum foil layer, a heat conduction layer and a sheath layer which are sequentially arranged from inside to outside; the heat conducting layer comprises a heat conducting strip layer and a honeycomb-shaped heat radiating strip layer.
Preferably, the honeycomb-shaped heat dissipation strip layer is filled with solid-liquid phase change particles.
Preferably, a high polymer material film is sprayed on the outer side of the honeycomb-shaped heat dissipation strip layer.
Preferably, the sheath layer is formed by a sheath strip, the cross-sectional shape of the sheath strip is arc-shaped, and the sheath strip comprises:
the heat-conducting silica gel layer is in a loose porous structure; the ceramic silicon rubber layer is arranged on the outer side of the heat-conducting silicon rubber layer; and the polyvinyl chloride resin layer is arranged on the outer side of the ceramic silicon rubber layer.
Preferably, the sheath strips are spirally wound outside the heat conduction layer, and the gap between every two adjacent sheath strips is filled with waterproof heat conduction glue.
The communication cable of the invention has the following technical effects:
the application relates to a communication cable preparation method and a communication cable; when the heat dissipation cable is used, the generated heat energy can be uniformly dissipated to the outside through the aluminum foil layer, the heat conduction strip layer, the honeycomb-shaped heat dissipation strip layer and the heat conduction silica gel layer in sequence, so that the heat loss of a cable load and the electric energy loss are prevented, the fire leakage phenomenon caused by the overheating of the cable load is avoided, the load usability, the fire resistance and the safety of the cable are effectively ensured, and the use qualification rate and the safety of the cable are ensured.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
FIG. 1 is a schematic representation of a communications cable flow diagram of the present invention;
FIG. 2 schematically illustrates a communication cable structure according to the present invention;
fig. 3 schematically illustrates a structure of a communication cable sheath strip according to the present invention.
In the figure: 10. an inner core; 20. a glass fiber layer; 30. an aluminum foil layer; 40. a heat conductive layer; 50. a sheath layer; 41. a heat conducting strip layer; 42. a honeycomb-shaped heat dissipation strip layer; 43. solid-liquid phase change particles; 44. a polymer material film; 51. a heat conductive silica gel layer; 52. a silicon rubber layer is ceramic; 53. a polyvinyl chloride resin layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The following describes the production process of the communication cable and the communication cable in detail with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1, an object of the present invention is to provide a process for producing a communication cable, comprising the steps of:
s1, processing the inner core 10;
s2, coating the glass fiber layer 20: stranding a plurality of inner cores 10 to form an original wire, and weaving glass fiber wires outside the original wire to form a glass fiber layer 20;
s3, coating the aluminum foil layer 30: wrapping an aluminum foil on the outer side of the glass fiber layer 20 to form an aluminum foil layer 30;
s4, the thermally conductive layer 40 encapsulates: winding a heat conducting strip on the outer side of the aluminum foil layer 30, and winding a honeycomb-shaped heat dissipation strip on the outer side of the heat conducting strip;
s5, sheathing layer 50: a sheathing layer 50 is formed by winding a sheathing strip around the outside of the heat conductive layer 40.
Particularly, the heat generated by the inner core 10 is transferred to the heat conducting strip layer 41 through the aluminum foil layer 30, and then is transferred to the honeycomb-shaped heat dissipation strip layer 42, the specific surface of the honeycomb-shaped heat dissipation strip layer 42 is large, the heat dissipation capability is strong, the heat of the inner core 10 can be completely dissipated, and the phenomenon of fire leakage caused by overheating of the inner core 10 is effectively avoided.
Example 2
Other conditions were the same as in example 1, wherein: the heat conductive layer 40 also includes: solid-liquid phase change particles 43 are filled in the honeycomb holes of the honeycomb heat dissipation strip.
Specifically, the solid-liquid phase change particles 43 are heated and decomposed to generate liquid, and the liquid is changed into solid state after cooling, so that the solid-liquid phase change particles can play a role in temperature regulation, avoid the phenomenon of fire caused by overheating of the inner core 10, and play a role in delaying the fire under the condition of external fire.
The solid-liquid phase change particles 43 are prior art and are not further described herein.
Example 3
Other conditions were the same as in example 2, wherein: the solid-liquid phase change particles 43 filled in the honeycomb holes of the silica gel scattering bars specifically include:
gradually filling the solid-liquid phase change particles 43 into honeycomb holes of the honeycomb heat dissipation strips through a feeder;
the heated easily-decomposed polymer material is sprayed on the surface of the honeycomb-shaped heat dissipation strip through a spray gun, so that the solid-liquid phase change particles 43 are packaged.
Particularly, form macromolecular material film 44 through spraying macromolecular material to honeycomb heat dissipation strip layer 42, can be convenient encapsulate solid-liquid phase change granule 43 in honeycomb holes, make things convenient for follow-up cladding heat-conducting layer 40 with sheath layer 50.
Meanwhile, the polymer material film 44 is easily decomposed by heating, and after decomposition, the heat conduction layer 40 is in contact with the sheath layer 50, so that the solid-liquid phase change particles 43 can also act on the sheath layer 50.
Further, when the polymer material is sprayed, the surface of the solid-liquid phase change particles 43 is coated with the polymer material, so that the solid-liquid phase change particles 43 can be effectively fixed, and the solid-liquid phase change particles 43 are prevented from falling out of the honeycomb holes;
further, when the solid-liquid phase change particles 43 are heated to form liquid, and the polymer material is heated to decompose and is spread on the surface of the solid-liquid phase change liquid to form a new polymer film layer, the solid-liquid phase change liquid is packaged, the position of the solid-liquid phase change material can be ensured, the solid-liquid phase change liquid is prevented from flowing everywhere, the stability of the cable is improved, and the temperature regulation and flame retardant performance stability of each part are improved.
Of course, if the conditions are not allowed, wax sealing may be adopted, and the surface of the honeycomb-shaped heat dissipation strip layer 42 is coated with wax water to form a layer of wax film, which is easily decomposed by heating.
Example 4
Other conditions were the same as in example 3, wherein:
the honeycomb aperture of the honeycomb heat dissipation strip is not more than 10 mm; the spraying speed of the spray gun is 4-12ml/min, when the thickness of the polymer material film 44 is at least 1mm, the spraying is stopped, and the polymer material film 44 is air-cooled for at least 4-10min to completely form the polymer material film 44.
Wherein, the honeycomb aperture of the honeycomb heat dissipation strip can be any one of 5mm, 8mm and 10 mm.
The spraying speed of the spray gun is 4-12ml/min, and can be any one of 4ml/min, 6ml/min, 8ml/min, 10ml/min and 12 ml/min. And after the thickness of the polymer material film 44 is 1mm or 1.5mm, stopping spraying the liquid, and then cooling the polymer material film 44 by air for at least one of 4min, 6min, 4min and 10min to completely form the polymer material film 44.
The polymer material can be selected from one of polynorbornene, polycarbonate and polypropylene carbonate.
Example 5
Other conditions were the same as in example 1, wherein: the sheath layer 50 covers including:
the heat conducting side of the sheath strip is wound on the outer surface of the heat conducting layer 40, and the waterproof layer is sprayed on the outer side of the sheath layer 50.
The heat that inner core 10 produced can be further passed outward through the heat conduction side of sheath strip, avoids inner core 10 overheated and produces the phenomenon of getting away a fire, simultaneously, under the condition of external condition of a fire, can play the effect that delays the condition of a fire.
Example 6
As shown in fig. 2-3, an object of the present invention is to provide a communication cable, which is prepared by the above-mentioned communication cable production process, and comprises an inner core 10, a glass fiber layer 20, an aluminum foil layer 30, a heat conducting layer 40, and a sheath layer 50, which are sequentially arranged from inside to outside; the heat conductive layer 40 includes a heat conductive bar layer 41 and a honeycomb heat dissipation bar layer 42.
Example 7
Other conditions were the same as in example 6, wherein: solid-liquid phase change particles 43 are filled in the honeycomb-shaped radiating bar layer 42.
Example 8
Other conditions were the same as in example 7, wherein: and a high polymer material film 44 is sprayed on the outer side of the honeycomb-shaped heat dissipation strip layer 42.
Example 9
Other conditions were the same as in example 6, wherein: sheath layer 50 comprises the sheath strip, and sheath strip cross sectional shape is the arc, includes:
the heat-conducting silicon adhesive layer 51 is in a loose porous structure; a ceramic silicone rubber layer 52 arranged outside the heat-conducting silicone rubber layer 51; and a polyvinyl chloride resin layer 53 disposed outside the ceramic silicone rubber layer 52.
Particularly, the heat generated by the inner core 10 is transmitted to the heat conducting strip layer 41 through the aluminum foil layer 30, and then transmitted to the honeycomb-shaped heat radiating strip layer 42, and then transmitted to the position of the heat conducting silica gel layer 51, and because the cross section of the sheath strip is arc-shaped, the heat can be directly radiated from the two sides of the sheath strip, the phenomenon of fire leakage caused by overheating of the inner core 10 can be avoided, and the heat radiating capacity of the cable is improved.
Example 10
Other conditions were the same as in example 6, wherein: the sheath strips are spirally wound on the outer side of the heat conduction layer 40, and the gap between every two adjacent sheath strips is filled with waterproof heat conduction glue.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. A production process of a communication cable is characterized by comprising the following steps:
s1, processing the inner core (10);
s2, coating the glass fiber layer (20): stranding a plurality of inner cores (10) to form an original line, and weaving glass fiber lines outside the original line to form a glass fiber layer (20);
s3, coating the aluminum foil layer (30): wrapping an aluminum foil layer (30) on the outer side of the glass fiber layer (20);
s4, the heat conduction layer (40) covers: a heat conduction strip is wound on the outer side of the aluminum foil layer (30), and a honeycomb-shaped heat dissipation strip is wound on the outer side of the heat conduction strip to form a heat conduction layer (40);
s5, coating the sheath layer (50): and a sheath strip is wound on the outer side of the heat conduction layer (40) to form a sheath layer (50).
2. The process for manufacturing a communication cable according to claim 1, wherein said heat conductive layer (40) coating further comprises:
and solid-liquid phase change particles (43) are filled in the honeycomb holes of the honeycomb heat dissipation strip.
3. The production process of the communication cable according to claim 2, wherein the step of filling the solid-liquid phase change particles (43) in the honeycomb holes of the silica gel bars comprises:
gradually filling solid-liquid phase change particles (43) into honeycomb holes of the honeycomb heat dissipation strip through a feeder;
and (3) spraying the heated easily-decomposed high polymer material onto the surface of the honeycomb-shaped heat dissipation strip through a spray gun, so as to encapsulate the solid-liquid phase change particles (43).
4. The process for producing a communication cable according to claim 3,
the honeycomb aperture of the honeycomb heat dissipation strip is not more than 10 mm;
the spraying speed of the spray gun is 4-12ml/min, when the thickness of the high polymer material film (44) is at least 1mm, the spraying is stopped, and the high polymer material film (44) is cooled by air for at least 4-10min so that the high polymer material film (44) is completely formed.
5. The process for the production of a communication cable according to claim 1, wherein said sheathing layer (50) covering comprises:
and winding the heat conduction side of the sheath strip on the outer surface of the heat conduction layer (40), and spraying a waterproof layer on the outer side of the sheath layer (50).
6. A communication cable, comprising: the communication cable is prepared by the production process of any one of claims 1 to 5, and comprises an inner core (10), a glass fiber layer (20), an aluminum foil layer (30), a heat conducting layer (40) and a sheath layer (50) which are arranged in sequence from inside to outside;
the heat conducting layer (40) comprises a heat conducting strip layer (41) and a honeycomb-shaped heat radiating strip layer (42).
7. The communication cable of claim 6,
and filling solid-liquid phase change particles (43) in the honeycomb-shaped heat dissipation strip layer (42).
8. The communication cable of claim 6,
and a high polymer material film (44) is sprayed on the outer side of the honeycomb-shaped heat dissipation strip layer (42).
9. The communication cable according to claim 6, wherein said sheath layer (50) is constituted by a sheath strip having an arc-shaped cross-sectional shape comprising:
the heat-conducting silica gel layer (51) is in a loose porous structure;
the ceramic silicon rubber layer (52) is arranged on the outer side of the heat-conducting silicon rubber layer (51);
and the polyvinyl chloride resin layer (53) is arranged outside the ceramic silicon rubber layer (52).
10. The communication cable of claim 9,
the sheath strips are spirally wound on the outer side of the heat conduction layer (40), and the gaps between every two adjacent sheath strips are filled with waterproof heat conduction glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340965.5A CN113066615A (en) | 2021-03-30 | 2021-03-30 | Communication cable production process and communication cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340965.5A CN113066615A (en) | 2021-03-30 | 2021-03-30 | Communication cable production process and communication cable |
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| CN113066615A true CN113066615A (en) | 2021-07-02 |
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| CN202110340965.5A Pending CN113066615A (en) | 2021-03-30 | 2021-03-30 | Communication cable production process and communication cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530290A (en) * | 2022-03-01 | 2022-05-24 | 四川通胜电缆集团有限公司 | Cable manufacture informatization visual system |
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| CN114530290A (en) * | 2022-03-01 | 2022-05-24 | 四川通胜电缆集团有限公司 | Cable manufacture informatization visual system |
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Application publication date: 20210702 |