CN212342306U - Eccentric structure photoelectric composite cable and optical cable - Google Patents
Eccentric structure photoelectric composite cable and optical cable Download PDFInfo
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- CN212342306U CN212342306U CN202021676110.7U CN202021676110U CN212342306U CN 212342306 U CN212342306 U CN 212342306U CN 202021676110 U CN202021676110 U CN 202021676110U CN 212342306 U CN212342306 U CN 212342306U
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Abstract
The application belongs to the technical field of electric power and cables, and relates to an eccentric structure photoelectric composite cable which is provided with an eccentric composite sheath, a power transmission unit and a light transmission unit; the eccentric composite sheath is characterized by comprising three sheath bodies; the sheath body is internally provided with a cavity, the power transmission unit is positioned in the cavity, and the light transmission unit is positioned in the eccentric cavity. The application also discloses an optical cable with an eccentric structure. The utility model discloses following main beneficial effect has: the structure is simple, the molding is easy, the stripping is convenient, the power transmission part is not broken when stripping, the heat dissipation is good, and the optical fiber density is high.
Description
Technical Field
The utility model belongs to the technical field of electric power and cable, especially, relate to an eccentric structure optoelectrical composite cable and optical cable.
Background
CN201853973U discloses a peeling blade for electric wire and cable, which comprises a round thin sheet, a sharp corner cutting edge and a through hole, wherein the sharp corner cutting edge is arranged on the circumference of the round thin sheet, the through hole is arranged on the surface of the round thin sheet, and the through hole and the round thin sheet are eccentrically arranged. In order to ensure that the blade can be more safely and reliably arranged on the shaft and can be driven to effectively rotate, the through hole is composed of a polygonal hole with more than two sides, and the sharp-angle cutting edge is provided with a sawtooth-shaped cutting groove. The peeling blade for the electric wire and the electric cable has a simple structure, and can be used for peeling electric wires and electric cables of various types due to the eccentric arrangement of the through hole and the round sheet, and the cutting depth of the peeling blade can be adjusted.
CN2713490Y discloses a central beam tube type optical cable with signal lines, which includes a cable core composed of optical fibers, fillers, a central beam tube and a water-blocking layer, a steel band outside the cable core, a pair of reinforcing members, and an outer sheath extruded outside the steel band and the pair of reinforcing members, wherein at least one group of covered signal lines for transmitting electrical signals is further contained in the outer sheath along the circumference of the steel band 5. The cable has the effects of optical fiber communication and multi-channel electrical signal communication, can reduce the frame/laying of corresponding lines, is beneficial to intensification, saves raw material resources and reduces the cost; the signal wire or the wire pair or the wire group is arranged between the steel belt and the outer sheath layer, so that the signal wire is in a dry structure and is beneficial to construction.
Tiny signal lines in the optical cable are directly located in the sheath, stripping is extremely inconvenient, and the sheath and the signal line insulating layer are mainly bonded into a whole and are not easy to separate. In addition, when the reinforcing member is used for power transmission, the position of the reinforcing member cannot be known unless the entire cross section of the cable is stripped.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses an optical-electrical composite cable and an optical cable with an eccentric structure, which are implemented by the following technical solutions.
An eccentric structure photoelectric composite cable is provided with an eccentric composite sheath, a first power transmission unit, a second power transmission unit, a third power transmission unit, a fourth power transmission unit, a fifth power transmission unit and a first light transmission unit; the eccentric composite sheath is characterized by comprising a first sheath body, a second sheath body and a third sheath body which are integrally formed, wherein the first sheath body is in a cylindrical annular shape, the second sheath body is in a cylindrical annular shape, the third sheath body is in a cylindrical annular shape, the central axis of the second sheath body is positioned on the first sheath body, the upper part of the second sheath body protrudes out of the outer edge of the first sheath body, the lower part of the second sheath body protrudes out of the inner edge of the first sheath body, the lower part of the third sheath body is overlapped with the lower part of the first sheath body, the upper part of the third sheath body is positioned inside the first sheath body, and the upper part of the third sheath body is tangent to or has a gap with the lower part of the second sheath body; the first sheath body, the second sheath body and the upper left part of the three sheath bodies enclose a first cavity, the first sheath body, the second sheath body and the upper right part of the three sheath bodies enclose a second cavity, an eccentric cavity is arranged in the third sheath body, a third cavity is arranged on the first sheath body on the left side of the eccentric cavity, a fourth cavity is arranged on the first sheath body on the right side of the eccentric cavity, and the axis of the eccentric cavity is positioned right below the axis of the first sheath body; the first power transmission unit is located in the fifth cavity, the second power transmission unit is located in the third cavity, the third power transmission unit is located in the fourth cavity, the fourth power transmission unit is located in the first cavity, the fifth power transmission unit is located in the second cavity, and the first light transmission unit is located in the eccentric cavity.
The optical-electrical composite cable with the eccentric structure is characterized in that the first light transmission unit is replaced by a second light transmission unit, and the second light transmission unit is composed of a loose sleeve and a plurality of optical fibers positioned in the loose sleeve.
The optical-electrical composite cable with the eccentric structure is characterized in that the first power transmission unit is composed of a first conductor and a first insulating sleeve covering the first conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the second power transmission unit is composed of a second conductor and a second insulating sleeve covering the second conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the third power transmission unit is composed of a third conductor and a third insulating sleeve covering the third conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the fourth power transmission unit is composed of a fourth conductor and a fourth insulating sleeve covering the fourth conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the fifth power transmission unit is composed of a fifth conductor and a fifth insulating sleeve covering the fifth conductor.
The optical-electrical composite cable with the eccentric structure is characterized in that the first light transmission unit is composed of a loose sleeve and a plurality of optical fiber ribbons arranged in the loose sleeve.
The photoelectric composite cable with the eccentric structure is characterized in that the loose tube is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The photoelectric composite cable with the eccentric structure is characterized in that the first sheath body, the second sheath body and the third sheath body are made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The photoelectric composite cable with the eccentric structure is characterized in that the insulating sleeve is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU. The insulating sleeve refers to a first insulating sleeve, a second insulating sleeve, a third insulating sleeve, a fourth insulating sleeve and a fifth insulating sleeve.
The above-mentioned optical-electrical composite cable with eccentric structure is characterized in that the material of the conductor is copper or aluminum or alloy. The conductor refers to a first conductor, a second conductor, a third conductor, a fourth conductor and a fifth conductor.
The photoelectric composite cable with the eccentric structure is characterized in that the loose tube is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.
According to the above photoelectric composite cable with the eccentric structure, the first power transmission unit, the second power transmission unit and the third power transmission unit can also be reinforcing parts, and the reinforcing parts are steel wires or copper wires or glass fiber reinforced plastic rods; but also copper or aluminum or alloys that are bare or tin plated on the surface.
An optical cable with an eccentric structure is provided with an eccentric composite sheath, a first light transmission unit, a second light transmission unit, a third light transmission unit, a fourth power transmission unit, a fifth power transmission unit and a second power transmission unit; the eccentric composite sheath is characterized by comprising a first sheath body, a second sheath body and a third sheath body which are integrally formed, wherein the first sheath body is in a cylindrical annular shape, the second sheath body is in a cylindrical annular shape, the third sheath body is in a cylindrical annular shape, the central axis of the second sheath body is positioned on the first sheath body, the upper part of the second sheath body protrudes out of the outer edge of the first sheath body, the lower part of the second sheath body protrudes out of the inner edge of the first sheath body, the lower part of the third sheath body is overlapped with the lower part of the first sheath body, the upper part of the third sheath body is positioned inside the first sheath body, and the upper part of the third sheath body is tangent to or has a gap with the lower part of the second sheath body; the first sheath body, the second sheath body and the upper left part of the three sheath bodies enclose a first cavity, the first sheath body, the second sheath body and the upper right part of the three sheath bodies enclose a second cavity, an eccentric cavity is arranged in the third sheath body, a third cavity is arranged on the first sheath body on the left side of the eccentric cavity, a fourth cavity is arranged on the first sheath body on the right side of the eccentric cavity, and the axis of the eccentric cavity is positioned right below the axis of the first sheath body; the first light transmission unit is positioned in the fifth cavity, the second light transmission unit is positioned in the third cavity, the third light transmission unit is positioned in the fourth cavity, the fourth power transmission unit is positioned in the first cavity, the fifth power transmission unit is positioned in the second cavity, and the second light transmission unit is positioned in the eccentric cavity; the first light transmission unit is composed of a first light transmission pipe and a plurality of optical fibers positioned in the first light transmission pipe, the second light transmission unit is composed of a second light transmission pipe and a plurality of optical fibers positioned in the second light transmission pipe, and the third light transmission unit is composed of a third light transmission pipe and a plurality of optical fibers positioned in the third light transmission pipe.
The optical cable with the eccentric structure is characterized in that the light transmission unit is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU. The light transmission unit refers to a first light transmission unit, a second light transmission unit and a third light transmission unit.
The optical cable with the eccentric structure is characterized in that the optical fiber is a single mode optical fiber or a multimode optical fiber.
In the optical cable with the eccentric structure, only one light transmission unit or only two light transmission units and other electricity transmission units can be arranged in the first light transmission unit, the second light transmission unit and the third light transmission unit.
The utility model discloses following main beneficial effect has: the structure is simple, the molding is easy, the stripping is convenient, the power transmission part is not broken when stripping, the heat dissipation is good, and the optical fiber density is high.
Drawings
FIG. 1 is a schematic representation of a perspective anatomical segment of an eccentric composite sheath for use in the present application.
Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.
Fig. 3 is a schematic perspective view of a section of an anatomical structure according to example 1 of the present application.
Fig. 4 is an enlarged cross-sectional view of fig. 3.
Fig. 5 is a schematic perspective view of a section of anatomy according to example 2 of the present application.
Fig. 6 is an enlarged cross-sectional view of fig. 5.
Fig. 7 is a schematic perspective view of a section of anatomy according to example 3 of the present application.
Fig. 8 is an enlarged cross-sectional view of fig. 7.
In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-eccentric composite sheath, 11-first sheath body, 12-second sheath body, 13-third sheath body, 14-first cavity, 15-second cavity, 16-third cavity, 17-fourth cavity, 110-eccentric cavity, 120-fifth cavity, 21-first power transmission unit, 22-second power transmission unit, 23-third power transmission unit, 31-fourth power transmission unit, 32-fifth power transmission unit, 4-first power transmission unit, 5-second power transmission unit, 61-first light transmission unit, 62-second light transmission unit, 63-third light transmission unit.
Detailed Description
Examples 1
Referring to fig. 1 to 4, an eccentric structure photoelectric composite cable includes an eccentric composite sheath 1, a first power transmission unit 21, a second power transmission unit 22, a third power transmission unit 23, a fourth power transmission unit 31, a fifth power transmission unit 32, and a first power transmission unit 4; the eccentric composite sheath 1 is characterized by comprising a first sheath body 11, a second sheath body 12 and a third sheath body 13 which are integrally formed, wherein the first sheath body 11 is in a cylindrical annular shape, the second sheath body 12 is in a cylindrical annular shape, the third sheath body 13 is in a cylindrical annular shape, the central axis of the second sheath body 12 is positioned on the first sheath body 11, the upper part of the second sheath body 12 protrudes out of the outer edge of the first sheath body 11, the lower part of the second sheath body 12 protrudes out of the inner edge of the first sheath body 11, the lower part of the third sheath body 13 is overlapped with the lower part of the first sheath body 11, the upper part of the third sheath body 13 is positioned in the first sheath body 11, and the upper part of the third sheath body 13 is tangent to or has a gap with the lower part of the second sheath body 12; the fifth cavity 120 is arranged in the second sheath body 12, the first cavity 14 is defined by the left upper parts of the first sheath body 11, the second sheath body 12 and the third sheath body 13, the second cavity 15 is defined by the right upper parts of the first sheath body 11, the second sheath body 12 and the third sheath body 13, the eccentric cavity 110 is arranged in the third sheath body 13, the third cavity 16 is arranged on the first sheath body 11 on the left side of the eccentric cavity 110, the fourth cavity 17 is arranged on the first sheath body 11 on the right side of the eccentric cavity 110, and the axis of the eccentric cavity 110 is positioned right below the axis of the first sheath body 11; the first power transmission unit 21 is located in the fifth cavity 120, the second power transmission unit 22 is located in the third cavity 16, the third power transmission unit 23 is located in the fourth cavity 17, the fourth power transmission unit 31 is located in the first cavity 14, the fifth power transmission unit 32 is located in the second cavity 15, and the first light transmission unit 4 is located in the eccentric cavity 110.
The optical-electrical composite cable with the eccentric structure is characterized in that the first power transmission unit is composed of a first conductor and a first insulating sleeve covering the first conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the second power transmission unit is composed of a second conductor and a second insulating sleeve covering the second conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the third power transmission unit is composed of a third conductor and a third insulating sleeve covering the third conductor.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the fourth power transmission unit is composed of a fourth conductor and a fourth insulating sleeve covering the fourth conductor. In this embodiment, the number of the fourth power transmission units is two, and may be one or more.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the fifth power transmission unit is composed of a fifth conductor and a fifth insulating sleeve covering the fifth conductor. In this embodiment, the number of the fifth power transmission units is two, and may be one or more.
In this embodiment, the first cavity and the second cavity are both in an approximately lung-shaped structure with a large top and a small bottom, which is convenient for fixing the fourth power transmission unit and the fifth power transmission unit.
The optical-electrical composite cable with the eccentric structure is characterized in that the first light transmission unit is composed of a loose sleeve and a plurality of optical fiber ribbons arranged in the loose sleeve.
The photoelectric composite cable with the eccentric structure is characterized in that the loose tube is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The photoelectric composite cable with the eccentric structure is characterized in that the first sheath body, the second sheath body and the third sheath body are made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The photoelectric composite cable with the eccentric structure is characterized in that the insulating sleeve is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU. The insulating sleeve refers to a first insulating sleeve, a second insulating sleeve, a third insulating sleeve, a fourth insulating sleeve and a fifth insulating sleeve.
The above-mentioned optical-electrical composite cable with eccentric structure is characterized in that the material of the conductor is copper or aluminum or alloy. The conductor refers to a first conductor, a second conductor, a third conductor, a fourth conductor and a fifth conductor.
EXAMPLES example 2
Referring to fig. 5 and 6, and to fig. 1 to 4, an optical-electrical composite cable with an eccentric structure is substantially the same as embodiment 1, except that the first light transmission unit 4 is replaced with a second light transmission unit 5, which is composed of a loose tube and a plurality of optical fibers disposed in the loose tube.
The photoelectric composite cable with the eccentric structure is characterized in that the loose tube is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
The above-mentioned optical-electrical composite cable with an eccentric structure is characterized in that the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.
In the embodiment 1 or the embodiment 2 of the present application, the first power transmission unit, the second power transmission unit, and the third power transmission unit may also be reinforcements, and the reinforcements are steel wires, copper wires, or glass fiber reinforced plastic rods, so that mechanical properties such as tensile strength and compressive strength can be enhanced; it may also be bare or tin-plated copper or aluminum or an alloy, which may further save material.
EXAMPLE 3
Referring to fig. 7 and 8, and to fig. 1 to 6, an optical cable with an eccentric structure is substantially the same as embodiment 2, except that a first light transmitting unit 61 is substituted for a first power transmitting unit 21, a second light transmitting unit 62 is substituted for a second power transmitting unit 22, and a third light transmitting unit 63 is substituted for a third power transmitting unit 23; the first light transmission unit 61 is composed of a first light transmission pipe and a plurality of optical fibers positioned in the first light transmission pipe, the second light transmission unit 62 is composed of a second light transmission pipe and a plurality of optical fibers positioned in the second light transmission pipe, and the third light transmission unit 63 is composed of a third light transmission pipe and a plurality of optical fibers positioned in the third light transmission pipe.
The optical cable with the eccentric structure is characterized in that the light transmission unit is made of polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU. The light transmission unit refers to a first light transmission unit, a second light transmission unit and a third light transmission unit.
The optical cable with the eccentric structure is characterized in that the optical fiber is a single mode optical fiber or a multimode optical fiber.
In the optical cable with the eccentric structure, only one light transmission unit or only two light transmission units can be arranged in the first light transmission unit, the second light transmission unit and the third light transmission unit, and the other light transmission units can transmit electricity as in the embodiment example.
In this application, the diameter of the second sheath body is not greater than one-half of the diameter of the first sheath body.
In this application, the second sheath body has at least 1/3 located outside the first sheath body.
In this application, the axis of the third cavity, the axis of the fourth cavity, and the axis of the eccentric cavity are in the first plane.
In the application, the axes of the fifth cavity and the eccentric cavity are in the second plane.
In this application, the second plane bisects the optical cable or the opto-electrical composite cable.
In this application, the first plane is perpendicular to the second plane.
In the application, the fourth power transmission unit is positioned in the first cavity, and the fifth power transmission unit is positioned in the second cavity, so that the phenomenon that the fourth power transmission unit and the fifth power transmission unit are combined with the first sheath body into a whole and are not easy to peel is effectively avoided, inspection and construction are more convenient, and heat dissipation is increased; in the application, the second sheath body protrudes out of the first sheath body, so that the first power transmission unit is easy to identify and peel, the second power transmission unit and the third power transmission unit are easier to identify, the second sheath body also plays a role in identification, the approximate positions of the second power transmission unit and the third power transmission unit are more exact, and no other identification is needed. Since the diameters and sizes of the first power transmission unit, the second power transmission unit and the third power transmission unit are much larger than those of the fourth power transmission unit and the fifth power transmission unit, the second power transmission unit and the third power transmission unit can be easily peeled even if the second power transmission unit and the third power transmission unit are bonded with the first sheath body, the conductor can be peeled without breaking the conductor, and similarly, the first power transmission unit is easily taken out from the second sheath body, and the signal line in the prior art is very easy to break when being peeled. In this application, the existence of first light transmission unit, second light transmission unit, third light transmission unit has increased communication density greatly.
In the application, the number of the fourth power transmission units of the first cavity is not limited to two, and the number of the fourth power transmission units can be other numbers; the number of the fifth power transmission units in the second cavity is not limited to two, and other fifth power transmission units can be arranged; when the upper part of the third sheath body is tangent to the lower part of the second sheath body, the first cavity and the second cavity are effectively isolated; when a gap is reserved between the upper part of the third sheath body and the lower part of the second sheath body, the gap is smaller than the diameter of the fourth power transmission unit, and the gap is also smaller than the diameter of the fifth power transmission unit, so that if the power transmission units in the first cavity and the second cavity are damaged, the power transmission units can be pulled through the gap by virtue of the toughness of the third sheath body and the second sheath body to realize replacement, updating, substitution, repair and the like, and therefore the device is more flexible and reliable.
The second sheath body is discontinuous in the application, which means that the second sheath body located at the outer edge part of the second sheath body is discontinuous in the length direction, and has one section or one section, and the two sections are not continuous and are circulated in sequence, or the lengths of the continuous parts can be equal or unequal.
The application overcomes the defects of the central beam tube type optical cable with parallel steel wires and the improved transmission optical cable thereof in the prior art, and simultaneously overcomes the defect in CN 2713490Y.
The utility model discloses following main beneficial effect has: the structure is simple, the molding is easy, the stripping is convenient, the power transmission part is not broken when stripping, the heat dissipation is good, and the optical fiber density is high.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. An eccentric structure photoelectric composite cable is provided with an eccentric composite sheath, a first power transmission unit, a second power transmission unit, a third power transmission unit, a fourth power transmission unit, a fifth power transmission unit and a first light transmission unit; the eccentric composite sheath is characterized by comprising a first sheath body, a second sheath body and a third sheath body which are integrally formed, wherein the first sheath body is in a cylindrical annular shape, the second sheath body is in a cylindrical annular shape, the third sheath body is in a cylindrical annular shape, the central axis of the second sheath body is positioned on the first sheath body, the upper part of the second sheath body protrudes out of the outer edge of the first sheath body, the lower part of the second sheath body protrudes out of the inner edge of the first sheath body, the lower part of the third sheath body is overlapped with the lower part of the first sheath body, the upper part of the third sheath body is positioned inside the first sheath body, and the upper part of the third sheath body is tangent to or has a gap with the lower part of the second sheath body; the first sheath body, the second sheath body and the upper left part of the three sheath bodies enclose a first cavity, the first sheath body, the second sheath body and the upper right part of the three sheath bodies enclose a second cavity, an eccentric cavity is arranged in the third sheath body, a third cavity is arranged on the first sheath body on the left side of the eccentric cavity, a fourth cavity is arranged on the first sheath body on the right side of the eccentric cavity, and the axis of the eccentric cavity is positioned right below the axis of the first sheath body; the first power transmission unit is located in the fifth cavity, the second power transmission unit is located in the third cavity, the third power transmission unit is located in the fourth cavity, the fourth power transmission unit is located in the first cavity, the fifth power transmission unit is located in the second cavity, and the first light transmission unit is located in the eccentric cavity.
2. The optical-electrical composite cable with eccentric structure according to claim 1, wherein the first light transmission unit is replaced by a second light transmission unit, and the second light transmission unit is composed of a loose tube and a plurality of optical fibers disposed in the loose tube.
3. The optical-electrical composite cable with eccentric structure according to claim 1, wherein the first power transmission unit is composed of a first conductor and a first insulating sheath covering the first conductor.
4. The optical-electrical composite cable with eccentric structure according to claim 1, wherein the materials of the first sheath body, the second sheath body and the third sheath body are polypropylene, polybutylene terephthalate, low-density polyethylene, medium-density polyethylene, high-density polyethylene, low-smoke halogen-free polyethylene, low-smoke low-halogen polyethylene, polyvinyl chloride, nylon, polytetrafluoroethylene, TPE or TPU.
5. The optical-electrical composite cable of claim 1, wherein the first light-transmitting unit comprises a loose tube and a plurality of optical fiber ribbons disposed in the loose tube, each optical fiber ribbon having at least one optical fiber therein.
6. The optical-electrical composite cable with eccentric structure according to claim 5, wherein the material of the loose tube is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.
7. The optical-electrical composite cable with eccentric structure according to claim 5, wherein the optical fiber is a single mode optical fiber or a multimode optical fiber.
8. An optical cable with an eccentric structure is provided with an eccentric composite sheath, a first light transmission unit, a second light transmission unit, a third light transmission unit, a fourth power transmission unit, a fifth power transmission unit and a second power transmission unit; the eccentric composite sheath is characterized by comprising a first sheath body, a second sheath body and a third sheath body which are integrally formed, wherein the first sheath body is in a cylindrical annular shape, the second sheath body is in a cylindrical annular shape, the third sheath body is in a cylindrical annular shape, the central axis of the second sheath body is positioned on the first sheath body, the upper part of the second sheath body protrudes out of the outer edge of the first sheath body, the lower part of the second sheath body protrudes out of the inner edge of the first sheath body, the lower part of the third sheath body is overlapped with the lower part of the first sheath body, the upper part of the third sheath body is positioned inside the first sheath body, and the upper part of the third sheath body is tangent to or has a gap with the lower part of the second sheath body; the first sheath body, the second sheath body and the upper left part of the three sheath bodies enclose a first cavity, the first sheath body, the second sheath body and the upper right part of the three sheath bodies enclose a second cavity, an eccentric cavity is arranged in the third sheath body, a third cavity is arranged on the first sheath body on the left side of the eccentric cavity, a fourth cavity is arranged on the first sheath body on the right side of the eccentric cavity, and the axis of the eccentric cavity is positioned right below the axis of the first sheath body; the first light transmission unit is positioned in the fifth cavity, the second light transmission unit is positioned in the third cavity, the third light transmission unit is positioned in the fourth cavity, the fourth power transmission unit is positioned in the first cavity, the fifth power transmission unit is positioned in the second cavity, and the second light transmission unit is positioned in the eccentric cavity; the first light transmission unit is composed of a first light transmission pipe and a plurality of optical fibers positioned in the first light transmission pipe, the second light transmission unit is composed of a second light transmission pipe and a plurality of optical fibers positioned in the second light transmission pipe, and the third light transmission unit is composed of a third light transmission pipe and a plurality of optical fibers positioned in the third light transmission pipe.
9. An optical cable with eccentric structure according to claim 8, wherein the material of the light transmitting unit is polypropylene or polybutylene terephthalate or low density polyethylene or medium density polyethylene or high density polyethylene or low smoke zero halogen polyethylene or low smoke low halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU; the light transmission unit refers to a first light transmission unit, a second light transmission unit and a third light transmission unit.
10. An optical cable having an eccentric structure according to claim 8, wherein the optical fiber is a single mode optical fiber or a multimode optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676110.7U CN212342306U (en) | 2020-08-13 | 2020-08-13 | Eccentric structure photoelectric composite cable and optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676110.7U CN212342306U (en) | 2020-08-13 | 2020-08-13 | Eccentric structure photoelectric composite cable and optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN212342306U true CN212342306U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021676110.7U Active CN212342306U (en) | 2020-08-13 | 2020-08-13 | Eccentric structure photoelectric composite cable and optical cable |
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| Country | Link |
|---|---|
| CN (1) | CN212342306U (en) |
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2020
- 2020-08-13 CN CN202021676110.7U patent/CN212342306U/en active Active
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