CN111341494A - Photoelectric composite cable - Google Patents

Photoelectric composite cable Download PDF

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Publication number
CN111341494A
CN111341494A CN202010272507.8A CN202010272507A CN111341494A CN 111341494 A CN111341494 A CN 111341494A CN 202010272507 A CN202010272507 A CN 202010272507A CN 111341494 A CN111341494 A CN 111341494A
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CN
China
Prior art keywords
composite cable
conductive
optical
layer
flame
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.)
Pending
Application number
CN202010272507.8A
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Chinese (zh)
Inventor
张少田
李季
何新东
刘中奎
崔小东
王梓旭
张福龙
姚芳
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.)
Hengtong Optic Electric Co Ltd
Shenyang Hengtong Optical Communication Co Ltd
Original Assignee
Hengtong Optic Electric Co Ltd
Shenyang Hengtong Optical Communication 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 Hengtong Optic Electric Co Ltd, Shenyang Hengtong Optical Communication Co Ltd filed Critical Hengtong Optic Electric Co Ltd
Priority to CN202010272507.8A priority Critical patent/CN111341494A/en
Publication of CN111341494A publication Critical patent/CN111341494A/en
Pending legal-status Critical Current

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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
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • 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
    • H01B7/0045—Cable-harnesses
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the 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
    • H01B7/17—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

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  • Communication Cables (AREA)

Abstract

The application provides a photoelectric composite cable, relates to the communication cable field. The photoelectric composite cable comprises a plurality of conductive units, an optical cable unit and a protective layer. The plurality of conductive units are collectively constructed as a receiving space. The optical cable unit is arranged in the accommodating space. The protective layer covers the outer sides of the conductive units. Each conductive unit is provided with an arc surface matched with the inner wall of the protective layer, and the arc surfaces of the conductive units are concentrically arranged. The conductive unit is limited to hold the accommodation space of holding the optical cable unit, and every conductive unit has the arc surface with the inner wall matched with of protective layer, and the arc surface of each conductive unit arranges with one heart, and such structural design can be under the prerequisite of guaranteeing transmission capacity, and the external dimension of whole optoelectrical composite cable can be reduced to reasonable structural layout.

Description

Photoelectric composite cable
Technical Field
The application relates to the field of communication cables, in particular to a photoelectric composite cable.
Background
At present, with the gradual maturity of the 4G technology and the arrival of the 5G technology, the use of the small base station is increasing, and at this time, an optical-electrical hybrid cable is needed to connect the baseband processing unit and the radio remote unit in the small base station. The existing photoelectric hybrid cable for the base station does not have the characteristics of small size, low cost and the like while ensuring the transmission capacity.
Disclosure of Invention
The embodiment of the application provides a photoelectric composite cable to improve the big problem of current photoelectric composite cable size.
The embodiment of the application provides a photoelectric composite cable, including a plurality of electrically conductive units, optical cable unit and protective layer. The plurality of conductive units are collectively constructed as a receiving space. The optical cable unit is arranged in the accommodating space. The protective layer covers the outer sides of the conductive units. Each conductive unit is provided with an arc surface matched with the inner wall of the protective layer, and the arc surfaces of the conductive units are concentrically arranged.
Among the above-mentioned technical scheme, electrically conductive unit prescribes a limit to the accommodation space who holds the optical cable unit, and every electrically conductive unit has the arc surface with the inner wall matched with of protective layer, and the arc surface of each electrically conductive unit arranges with one heart, and such structural design can be under the prerequisite of guaranteeing transmission capacity, and reasonable structural layout can reduce the external dimension of whole optoelectrical composite cable.
In addition, the photoelectric composite cable of the embodiment of the application also has the following additional technical characteristics:
in some embodiments of the present application, the plurality of conductive elements includes two conductive elements.
Among the above-mentioned technical scheme, set up two electrically conductive units and not only can guarantee transmission performance, and be convenient for form the accommodation space who holds the optical cable unit.
In some embodiments of the present application, each conductive element further has a plane, and the plane of each conductive element and the arc surface together form a peripheral wall of the conductive element; the planes of the two conductive elements are arranged at a relative interval and are constructed as a receiving space.
Among the above-mentioned technical scheme, the arc surface of every electrically conductive unit is used for laminating with the inner wall of protective layer, and the plane of electrically conductive unit is used for forming accommodation space for the optical-electrical composite cable structure is inseparabler and miniaturized, can satisfy photoelectric signal's simultaneous transmission simultaneously. And two conductive units are arranged at intervals, when the photoelectric composite cable needs to be bent, the interval between the two conductive units can provide a space for the deformation of the conductive units, so that the photoelectric composite cable has better bending performance.
In some embodiments of the present application, each conductive unit further includes an insulating layer and a conductor, and the insulating layer covers an outer side of the conductor.
Among the above-mentioned technical scheme, every conductive element includes the conductor and the insulating layer of cladding in the conductor outside, and the security that conductive element power transmission can be guaranteed to the insulating layer, produces electromagnetic interference when can also avoiding power transmission between each conductive element.
In some embodiments of the present application, the insulating layer is wrapped around the outer side of the conductor in an equal thickness.
Among the above-mentioned technical scheme, the insulating layer isopachous cladding is in the outside of conductor for the shape of insulating layer cladding is unanimous with the outside shape of conductor, makes the electrically conductive unit that has the insulating layer can be better laminate with the protective layer, makes the structure of optoelectrical composite cable compacter, is favorable to realizing the miniaturization of optoelectrical composite cable.
In some embodiments of the present application, the protection layer includes a first protection layer, an armor layer, and a second protection layer, which are sequentially covered from inside to outside, and the first protection layer covers the outside of the plurality of conductive units.
Among the above-mentioned technical scheme, the protective layer includes first sheath, armor and second sheath, can be better play the guard action to electrically conductive unit and optical cable unit, can also improve the mechanical strength of optoelectrical composite cable.
In some embodiments of the present application, the material of the first covering layer and/or the second covering layer comprises a cross-linked polyethylene material, a polyvinyl chloride material, or a low smoke, zero halogen, flame retardant polyolefin material.
In the technical scheme, the material of the first protective layer and/or the second protective layer can be cross-linked polyethylene material, polyvinyl chloride material or low-smoke halogen-free flame-retardant polyolefin, so that the mechanical strength of the photoelectric composite cable can be improved, the heat resistance and the wear resistance of the photoelectric composite cable can be improved, the risk of accidents is reduced, and the safety performance of the photoelectric composite cable is improved.
In some embodiments of the present application, the optical/electrical composite cable further includes a flame-retardant wrapping layer, the flame-retardant wrapping layer wraps the outer sides of the plurality of conductive units, and the protective layer wraps the outer side of the flame-retardant wrapping layer.
In the technical scheme, the flame-retardant belting layer is arranged between the protective layer and the conductive unit, so that the flame-retardant property of the photoelectric composite cable is further improved.
In some embodiments of the present application, the material of the flame retardant belting layer comprises a flame retardant mica tape or a flame retardant fiberglass tape.
In the technical scheme, the material of the flame-retardant belting layer comprises the flame-retardant mica tape or the flame-retardant glass fiber tape, so that the flame retardant property of the photoelectric composite cable can be improved, the tensile strength and the heat resistance of the photoelectric composite cable can be improved, the cost is low, and the manufacturing cost of the photoelectric composite cable can be reduced.
In some embodiments of the present application, the electrical composite cable further includes a water resistant layer filled in the receiving space.
According to the technical scheme, the water-resistant layer is filled in the accommodating space, so that the waterproof performance and the safety performance of the photoelectric composite cable can be improved.
In some embodiments of the present application, the material of the water-blocking layer comprises water-blocking glass yarn or water-blocking aramid yarn.
In the technical scheme, the water-blocking glass yarn or the water-blocking aramid yarn not only has good water-blocking performance, but also has certain flame retardant performance, so that the flame retardant performance of the photoelectric composite cable is further improved on the premise of ensuring the water-blocking performance of the photoelectric composite cable, the cost of the water-blocking glass yarn or the water-blocking aramid yarn is also lower, and the cost of the photoelectric composite cable can be further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an optical-electrical composite cable provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first optical-electrical composite cable according to another embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a second optical-electrical composite cable according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of a third optical/electrical composite cable according to another embodiment of the present application;
fig. 5 is a schematic structural diagram of a fourth optical-electrical composite cable according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a fifth optical-electrical composite cable according to another embodiment of the present application.
Icon: 100-photoelectric composite cable; 10-a conductive element; 11-an accommodation space; 12-an insulating layer; 13-a conductor; 14-arc surface; 15-plane; 16-curved surface; 20-a cable unit; 30-a protective layer; 31-a first protective layer; 32-an armor layer; 33-a second protective layer; 40-flame retardant belting layer; 50-water resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
As shown in fig. 1, the present embodiment provides an optical-electrical composite cable 100, where the optical-electrical composite cable 100 includes a plurality of conductive units 10, an optical cable unit 20, and a protective layer 30. A plurality of conductive units 10 are collectively constructed as a receiving space 11. The cable unit 20 is provided in the accommodating space 11. The protection layer 30 covers the outer sides of the plurality of conductive units 10. Wherein, each conductive unit 10 has a circular arc surface 14 matched with the inner wall of the protective layer 30, and the circular arc surfaces 14 of the conductive units 10 are concentrically arranged. The conductive units 10 define a containing space 11 for containing the optical cable unit 20, each conductive unit 10 has an arc surface 14 matched with the inner wall of the protective layer 30, and the arc surfaces 14 of the conductive units 10 are concentrically arranged, so that the structural design can reduce the external size of the whole photoelectric composite cable 100 through reasonable structural layout on the premise of ensuring the transmission capacity.
Since each of the conductive units 10 and the optical cable unit 20 generates heat when the optical composite cable 100 is in use, and the optical composite cable 100 may be damaged by external open fire or high temperature, the optical composite cable 100 is required to be able to withstand not only the heat generated during its operation, but also a certain capability of withstanding the external open fire or high temperature.
In this embodiment, the optical/electrical composite cable 100 further includes a flame-retardant wrapping layer 40, the flame-retardant wrapping layer 40 covers the plurality of conductive units 10, and the protective layer 30 covers the flame-retardant wrapping layer 40. A flame-retardant tape layer 40 is disposed between the protective layer 30 and the conductive unit 10, so as to further improve the flame-retardant performance of the optical/electrical composite cable 100.
In the present embodiment, the material of the flame retardant belting layer 40 includes a flame retardant mica tape or a flame retardant fiberglass tape. The material of the flame-retardant wrapping layer 40 includes a flame-retardant mica tape or a flame-retardant glass fiber tape, which not only can improve the flame retardant property of the photoelectric composite cable 100, but also can improve the tensile strength and heat resistance of the photoelectric composite cable 100, and has low cost, and the manufacturing cost of the photoelectric composite cable 100 can be reduced.
In other embodiments, the flame-retardant tape layer 40 may also be made of other materials, such as ethylene propylene rubber, which has good weather resistance, acid and alkali resistance, corrosion resistance, and the like, and not only can improve the flame retardant property of the optical-electrical composite cable 100, but also can improve the acid and alkali resistance of the optical-electrical composite cable 100.
Of course, in other embodiments, the protective layer 30 may be directly covered on the outer side of the conductive unit 10 without providing the flame retardant wrapping layer 40.
In the present embodiment, the optical/electrical composite cable 100 includes two conductive units 10, and the provision of the two conductive units 10 not only ensures transmission performance, but also facilitates formation of the accommodating space 11 for accommodating the optical cable unit 20. As shown in fig. 1, each conductive unit 10 has a plane 15 and a circular arc surface 14 matched with the inner wall of the flame-retardant belting layer 40, and the plane 15 and the circular arc surface 14 of each conductive unit 10 together form the peripheral wall of the conductive unit 10; the planes 15 of the two conductive elements 10 are arranged in a spaced apart relationship and form the receiving space 11. The cable unit 20 is provided in the accommodating space 11. The setting of arc surface 14 makes every conductive element 10 all laminate completely with the inner wall of fire-retardant band layer 40 near one side of fire-retardant band layer 40, and there is not the clearance between the one side that fire-retardant band layer 40 side inner wall and every conductive element 10 are close to fire-retardant band layer 40 promptly for the structure of compound cable 100 of photoelectricity is compacter, is favorable to the miniaturization of compound cable 100 of photoelectricity structure, can satisfy photoelectric signal's simultaneous transmission simultaneously.
Moreover, the planes 15 of the two conductive units 10 define the accommodating space 11, so that the two conductive units 10 have deformation spaces close to each other, and when the optical-electrical composite cable 100 needs to be bent, the space between the two conductive units 10 can provide a space for deformation of the conductive units 10, so that the optical-electrical composite cable 100 has better bending performance.
Each conductive unit 10 further comprises an insulating layer 12 and a conductor 13, and the insulating layer 12 is coated on the outer side of the conductor 13. The insulating layer 12 can ensure the safety of power transmission between the conductive units 10 and prevent electromagnetic interference from occurring during power transmission between the conductive units 10. In this embodiment, the material of the insulating layer 12 may also be ethylene propylene rubber, radiation cross-linked polyolefin material, or the like.
The insulating layer 12 is coated outside the conductor 13 in an equal thickness. I.e., the thickness of the insulating layer 12 is uniform throughout the outer wall of the conductor 13, so that the shape of the entire conductive element 10 is uniform with the shape of the conductor 13. The conductive unit 10 with the insulating layer 12 can be better attached to the protective layer 30, so that the structure of the optical-electrical composite cable 100 is more compact, and the optical-electrical composite cable 100 can be miniaturized.
In other embodiments, the insulating layer 12 may be coated on the outer side of the conductor 13 with different thicknesses, as long as the conductive unit 10 is ensured to have the arc surface 14 matched with the inner wall of the flame-retardant belting layer 40. When the arc surface 14 of the insulating layer 12 ensures the adhesion with the flame retardant tape layer 40, the shape of the conductor 13 may be unlimited, for example, the conductor 13 is circular.
In other embodiments, the optical/electrical composite cable 100 may also include three or more other numbers of conductive units 10, as shown in fig. 2, the number of the conductive units 10 is three, the arc surfaces 14 of the three conductive units 10 are sequentially butted to form a closed circle and completely fit with the inner wall of the flame-retardant belting layer 40, and the planes 15 of the three conductive units 10 construct the accommodating space 11 with a triangular interface. As shown in fig. 3, there are three conductive elements 10, and the three conductive elements 10 are sequentially arranged at intervals in the circumferential direction. When the number of the conductive elements 10 is other, the conductive elements 10 may be arranged next to each other in the circumferential direction, or may be arranged at intervals in the circumferential direction.
In other embodiments, as shown in fig. 4, 5, and 6, the curved surface 16 may be used instead of the flat surface 15 of the conductive element 10.
Further, the electric composite cable further includes a water blocking layer 50, and the water blocking layer 50 is filled in the accommodating space 11. The water-blocking layer 50 is filled in the accommodating space 11, so that the waterproof performance and the safety performance of the photoelectric composite cable 100 can be improved.
In the present embodiment, the material of the water-blocking layer 50 includes water-blocking glass yarn or water-blocking aramid yarn. The water-blocking glass yarn or the water-blocking aramid yarn has good water-blocking performance and certain flame retardant performance, the flame retardant performance of the photoelectric composite cable 100 is further improved on the premise that the water-blocking performance of the photoelectric composite cable 100 is guaranteed, the cost of the water-blocking glass yarn or the water-blocking aramid yarn is low, and the cost of the photoelectric composite cable 100 can be further reduced.
Further, the protective layer 30 includes a first sheath 31, an armor layer 32, and a second sheath 33, which are sequentially coated from inside to outside, and the first sheath 31 is coated on the outside of the plurality of conductive units 10. The conductive unit 10 and the optical cable unit 20 can be better protected, and the mechanical strength of the optical-electrical composite cable 100 can be improved.
In the present embodiment, the materials of the first covering layer 31 and the second covering layer 33 include a cross-linked polyethylene material, a polyvinyl chloride material, or a low smoke zero halogen flame retardant polyolefin material. The materials of the first protective layer 31 and the second protective layer 33 can be cross-linked polyethylene material, polyvinyl chloride material or low-smoke halogen-free flame-retardant polyolefin, which not only can improve the mechanical strength of the photoelectric composite cable 100, but also can improve the heat resistance and the wear resistance of the photoelectric composite cable 100, reduce the risk of accidents, and improve the safety performance of the photoelectric composite cable 100.
In this embodiment, the materials of the first covering layer 31 and the second covering layer 33 can be selected the same, for example, the first covering layer 31 and the second covering layer 33 are both made of cross-linked polyethylene. In other embodiments, the materials of the first protective layer 31 and the second protective layer 33 can be different, for example, the first protective layer 31 is made of cross-linked polyethylene, and the second protective layer 33 is made of polyvinyl chloride.
In this embodiment, the cable units 20 are butterfly cables, and the cable units 20 are two spaced apart cables, but in other embodiments, the cable units 20 may have other forms, such as a round shape of the cable units 20. In other embodiments, the number of the optical cable units 20 may also be one, three, or more than three, and the specific number of the optical cable units 20 may be set reasonably according to the required transmission capacity and the allowed size of the optical-electrical composite cable 100.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. An optical-electrical composite cable, comprising:
a plurality of conductive units which are collectively constructed as a receiving space;
the optical cable unit is arranged in the accommodating space; and
the protective layer covers the outer sides of the conductive units;
each conductive unit is provided with an arc surface matched with the inner wall of the protective layer, and the arc surfaces of the conductive units are concentrically arranged.
2. The optical-electrical composite cable of claim 1, wherein the plurality of conductive elements comprises two conductive elements.
3. The optical-electrical composite cable of claim 2, wherein each conductive element further has a flat surface, the flat surface of each conductive element and the circular arc surface together forming a peripheral wall of the conductive element;
the planes of the two conductive elements are arranged in a spaced-apart relationship and form the receiving space.
4. The optical-electrical composite cable of claim 3, wherein each conductive element further comprises an insulating layer and a conductor, the insulating layer being coated on an outer side of the conductor.
5. The optical-electrical composite cable according to claim 1, wherein the covering comprises a first covering, an armor layer, and a second covering, which are sequentially covered from inside to outside, and the first covering covers the outside of the plurality of conductive elements.
6. The optical-electrical composite cable according to claim 5, wherein the material of the first covering and/or the second covering comprises a cross-linked polyethylene material, a polyvinyl chloride material, or a low-smoke halogen-free flame-retardant polyolefin material.
7. The optical-electrical composite cable according to claim 1, further comprising a flame-retardant tape layer, wherein the flame-retardant tape layer covers the plurality of conductive units, and the protective layer covers the flame-retardant tape layer.
8. The optical-electrical composite cable of claim 7, wherein the material of the flame-retardant tape layer comprises a flame-retardant mica tape or a flame-retardant glass fiber tape.
9. The optical-electrical composite cable of claim 1, further comprising a water-blocking layer filled in the accommodating space.
10. The fiber optic composite cable of claim 9, wherein the water-blocking layer comprises a water-blocking glass yarn or a water-blocking aramid yarn.
CN202010272507.8A 2020-04-09 2020-04-09 Photoelectric composite cable Pending CN111341494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010272507.8A CN111341494A (en) 2020-04-09 2020-04-09 Photoelectric composite cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010272507.8A CN111341494A (en) 2020-04-09 2020-04-09 Photoelectric composite cable

Publications (1)

Publication Number Publication Date
CN111341494A true CN111341494A (en) 2020-06-26

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Application Number Title Priority Date Filing Date
CN202010272507.8A Pending CN111341494A (en) 2020-04-09 2020-04-09 Photoelectric composite cable

Country Status (1)

Country Link
CN (1) CN111341494A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114675387A (en) * 2022-04-09 2022-06-28 张玉明 Butterfly-shaped leading-in optical cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114675387A (en) * 2022-04-09 2022-06-28 张玉明 Butterfly-shaped leading-in optical cable
CN114675387B (en) * 2022-04-09 2024-08-20 深圳市特发信息股份有限公司 Butterfly-shaped lead-in optical cable

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