CN215988207U - Optical fiber composite bunched overhead cable - Google Patents
Optical fiber composite bunched overhead cable Download PDFInfo
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- CN215988207U CN215988207U CN202121533107.4U CN202121533107U CN215988207U CN 215988207 U CN215988207 U CN 215988207U CN 202121533107 U CN202121533107 U CN 202121533107U CN 215988207 U CN215988207 U CN 215988207U
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- fiber composite
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 239000010935 stainless steel Substances 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 33
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 13
- 239000002674 ointment Substances 0.000 claims abstract description 9
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- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 5
- 239000008397 galvanized steel Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 5
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- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an optical fiber composite bunched aerial cable which comprises an insulated wire core, wherein an insulated layer is coated outside a conductor, and the insulated wire core is connected with an optical unit through a connecting rib; the optical unit comprises an optical fiber bundle, a water-blocking filler, a stainless steel sleeve, a reinforcing piece and an outer coating insulating layer, wherein the optical fiber bundle is arranged in the stainless steel sleeve, the water-blocking filler is filled between the optical fiber bundle and the stainless steel sleeve, the stainless steel sleeve is twisted with the reinforcing piece, and an anti-corrosion ointment is coated between the stainless steel sleeve and the reinforcing piece. The optical unit adopts the metal force-bearing element and the stainless steel sleeve, has excellent physical and mechanical strength, effectively protects the optical fiber in the optical unit, improves the tensile, compression, impact, bending and other properties of the optical unit, and improves the reliability of the optical fiber composite bunched aerial cable in the laying construction and use processes.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to an optical fiber composite bunched overhead cable.
Background
At present, a bunched overhead insulated cable is a cable which is formed by connecting a plurality of aluminum conductors into a whole by insulating materials and connecting ribs at intervals according to different arrangement forms. The cluster overhead insulated cable changes the distribution of a magnetic field and an electric field around, so that the reactance of the cluster overhead insulated cable is reduced, the susceptance of the cluster overhead insulated cable is increased, the electric energy loss of a line is obviously reduced, the cluster overhead insulated cable is convenient to install, and the cluster overhead insulated cable can be applied to urban and rural power grids.
With the development of communication technology and communication network, the construction of strengthening smart power grids is developed comprehensively, the intelligent construction of power grids is promoted, fiber-to-the-home is realized, the fiber-to-the-home is an important component of smart power grid construction, the fiber-to-the-home is laid along with overhead lines, the fiber-to-the-home is realized, the passive optical network technology is matched, services such as power consumption information acquisition, intelligent power consumption two-way interaction, three-network integration and the like are born, in a common way, the fiber-to-the-home is combined with a wire accessed to the home to be accessed to the home of a user, and the power information in the home can be collected and fed back through the fiber in the future.
The retrieval shows that the Chinese invention with the publication number of CN106448864A discloses an overhead insulated cable in 2017, 2 and 22 months, the overhead insulated cable comprises three cables, the three cables respectively comprise a conductor, the conductor is coated with a shielding layer, and the shielding layer is coated with an insulating and sheath composite layer; the three cables are arranged in an inverted triangle, two cables are arranged in parallel and above, and the third cable is arranged below; the rope is characterized by also comprising a steel rope, wherein the rope comprises a rope core, and a protective sleeve is coated outside the rope core; the cable is positioned above the two cables and is tangent to the surfaces of the two cables; and the wrapping belts are wound outside the rope and the three cables. The utility model provides an overhead insulated cable, which is a cluster type overhead cable, has the advantages of space saving and tidy wiring, improves the overall strength through a cable, integrally fixes three conductors in a cladding belt, does not relatively shake between two adjacent cables, and avoids the cables from being crosslinked together due to relative shake. But only has the power transmission function, the optical fiber is not combined with the electric wire, and the optical fiber still needs to be laid subsequently, so the manufacturing cost is higher.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the optical fiber composite bunched aerial cable, which solves the problems of insufficient reliability and easy damage in the laying and using processes of the bunched aerial cable, and improves the compression resistance, impact resistance, bending resistance and other properties of the bunched aerial insulated cable.
The utility model is realized by the following technical scheme: an optical fiber composite bunched aerial cable comprises an insulated wire core, wherein an insulated layer is coated outside a conductor, and the insulated wire core is connected with an optical unit through a connecting rib; the optical unit comprises an optical fiber bundle, a water-blocking filler, a stainless steel sleeve, a reinforcing piece and an outer coating insulating layer, wherein the optical fiber bundle is arranged in the stainless steel sleeve, the water-blocking filler is filled between the optical fiber bundle and the stainless steel sleeve, the stainless steel sleeve is twisted with the reinforcing piece, and an anti-corrosion ointment is coated between the stainless steel sleeve and the reinforcing piece.
In the technical scheme, an optical unit connected through a connecting rib is additionally arranged outside the conventional bunched overhead insulated cable; in the optical unit, the stainless steel sleeve and the reinforcing member are twisted, so that the unit has excellent physical and mechanical strength, the optical fiber bundle in the optical unit is effectively protected, and the tensile, compression, impact, bending and other properties of the optical unit are improved; the waterproof filler filled between the optical fiber bundle and the stainless steel sleeve has better waterproof, moistureproof, buffering and bonding effects, and the durability of the optical unit is improved; the anti-corrosion ointment further enhances the water-proof and anti-corrosion performance of the light unit. The optical unit with self-bearing capacity is added outside the existing bunched overhead insulated cable, so that the bearing capacity of the bunched overhead insulated cable on the dead weight and the external load is improved, and the reliability of the bunched overhead insulated cable is improved in the laying construction and use processes.
Preferably, the conductor material in the insulated wire core is copper, aluminum or aluminum alloy. The conductor material has good power supply and optical fiber transmission performance, high strength and low cost.
Preferably, the number of the stainless steel sleeves is 1, 2 or 3. The method can be selected according to the laying construction requirements, so that the bunched overhead cable can achieve the required strength.
Further, the stainless steel sleeves are symmetrically arranged in the light unit. The stainless steel sleeves are symmetrically arranged, so that a certain effect of inhibiting electromagnetic interference can be achieved, odd-order frequency in higher harmonics can be offset, and electromagnetic radiation in the cable can be reduced.
Preferably, the water-blocking filler is filling cable paste or water-blocking yarn or water-blocking tape. The water-blocking yarn or water-blocking tape has higher water absorption multiplying power, higher tensile strength, long-term thermal stability, instant thermal stability, expansion rate and expansion height, and lower surface resistance, and plays a good role in water resistance, moisture resistance and bonding of the bunched aerial cable.
Preferably, the reinforcing member is a galvanized steel wire or an aluminum-clad steel wire. The galvanized steel wire or the aluminum-clad steel wire has better strength, toughness and corrosion resistance, and the material used as the reinforcing piece can improve the tensile resistance and the impact resistance of the bunched overhead cable.
Preferably, the insulating layer of the insulating wire core, the connecting rib and the outer covering insulating layer of the optical unit are made of the same weather-resistant polyvinyl chloride insulating material or weather-resistant polyolefin insulating material or weather-resistant cross-linked polyethylene insulating material. On the premise of ensuring the insulating property, the utilization rate of the material can be improved, and the production cost is reduced.
Preferably, the insulated wire core and the light unit are arranged in parallel or in a star shape. The arrangement mode can be selected according to the use requirement and the size of the space, and the practicability is improved.
Compared with the prior art, the utility model has the beneficial effects that:
(1) in the optical unit, the stainless steel sleeve and the reinforcing member are twisted, so that the optical unit has excellent physical and mechanical strength, optical fibers in the optical unit are effectively protected, the tensile, compression, impact, bending and other properties of the optical unit are improved, and a water-blocking filler filled between the optical fiber bundle and the stainless steel sleeve has better waterproof, damp-proof, buffering and bonding effects, so that the durability of the optical unit is improved; the anti-corrosion ointment further enhances the water-proof and anti-corrosion performance of the light unit. By adding the optical unit with self-bearing capacity outside the existing bunched overhead insulated cable, the bearing capacity of the bunched overhead cable to dead weight and external load is improved, the service life of the bunched overhead cable is prolonged, and the reliability is improved.
(2) The utility model can realize the simultaneous laying of the electric unit and the optical unit, achieves the purpose of simultaneously realizing two functions of power supply and optical fiber transmission, and reduces the laying cost.
(3) The product of the utility model can be widely applied to communication, network, cable television, electric power and other projects in urban and rural power grids, has better practical value and is more suitable for practical application.
(4) The utility model is suitable for transmission of outdoor overhead laid electric power and optical fiber communication, has wide application prospect in multi-network fusion and intelligent power grids, and can bring good social benefit and economic benefit.
Drawings
FIG. 1 is a schematic cross-sectional view of an optical unit in an optical fiber composite bundled overhead insulated cable according to the present invention;
FIG. 2 is a schematic cross-sectional view of a four-core star-shaped optical fiber composite bundled overhead insulated cable according to the present invention;
fig. 3 is a schematic cross-sectional structure of a four-core parallel type of the optical fiber composite bundled overhead insulated cable according to the present invention;
fig. 4 is a schematic cross-sectional structure of a three-core parallel type of the optical fiber composite bundled overhead insulated cable according to the present invention;
FIG. 5 is a schematic cross-sectional view of a three-core star-shaped optical fiber composite bundled overhead insulated cable according to the present invention;
fig. 6 is a schematic cross-sectional structure of a two-core parallel type of the optical fiber composite bundled overhead insulated cable according to the present invention;
in the figure, 1-fiber bundle; 2-water-blocking filler; 3-stainless steel sleeve; 4-anticorrosive ointment; 5-a reinforcement; 6-wrapping an insulating layer; 7-a light unit; 8-an insulated wire core; 9-connecting ribs.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, the light unit 7 comprises an outer coating insulating layer 6, a coated anti-corrosion ointment 4, 6 reinforcing pieces 5, 1 stainless steel sleeve 3, a water-blocking filler 2 and a six-core B1 optical fiber bundle 1 from outside to inside. The optical fiber bundle is characterized in that a stainless steel sleeve 3 is arranged outside the optical fiber bundle 1, a water-blocking filler 2 is filled between the optical fiber bundle 1 and the stainless steel sleeve 3, the stainless steel sleeve 3 is twisted with a reinforcement 5, and an anti-corrosion ointment 4 is coated between the stainless steel sleeve 3 and the reinforcement 5.
Through the twisting of the stainless steel sleeve 3 and the metal force-bearing element reinforcement 5, the optical unit 7 has excellent physical and mechanical strength, the optical fiber bundle 1 in the optical unit 7 is effectively protected, the tensile, compression, impact, bending and other properties of the optical unit 7 are improved, the water-blocking filler 2 filled between the optical fiber bundle 7 and the stainless steel sleeve 3 has better waterproof, damp-proof, buffering and bonding effects, and the durability of the optical unit 7 is improved; the anti-corrosion ointment further enhances the water and corrosion resistance of the light unit 7. The bunched cable of the embodiment has the characteristics of low manufacturing cost and reasonable structural design, has the advantages of good optical performance stability, small electric energy loss of a line, long service life and high reliability, and is more suitable for practicality.
As shown in figure 2, the four-core star-shaped cross section structure of the bundled aerial insulated cable comprises four insulated wire cores 8 which are wrapped by insulating layers and arranged in a star shape, and the insulated wire cores are mutually connected with an optical unit 7 through connecting ribs 9.
As shown in figure 3, the four-core parallel cross-section structure of the bundled aerial insulated cable comprises four insulated wire cores 8 which are arranged in parallel and are coated with insulating layers outside conductors, and the insulated wire cores are mutually connected with an optical unit 7 through connecting ribs 9.
As shown in fig. 4, the three-core parallel cross-sectional structure of the bundled overhead insulated cable according to the present invention includes three insulated wire cores 8, each of which is covered with an insulating layer, and which are arranged in parallel and connected to the optical unit 7 via a connecting rib 9.
As shown in figure 5, the three-core star-shaped cross section structure of the bundled overhead insulated cable comprises three insulated wire cores 8 which are arranged in a star shape and are coated with insulating layers outside conductors, and the insulated wire cores are mutually connected with an optical unit 7 through connecting ribs 9.
As shown in figure 6, the two-core parallel cross-section structure of the bundled aerial insulated cable comprises two insulated wire cores 8 which are arranged in parallel and are coated with insulating layers outside conductors, and the insulated wire cores are mutually connected with an optical unit 7 through connecting ribs 9.
In one embodiment, the conductor material in the insulated wire core 8 is copper, aluminum or aluminum alloy, and such conductor material has good power supply and optical fiber transmission performance, and is strong and low in cost.
In one embodiment, the number of the stainless steel sleeves 3 is 1, 2 or 3. The method can be selected according to the laying construction requirements, so that the bunched overhead cable can achieve the required strength.
In one embodiment, the water-blocking filler 2 is a filling cable paste, a water-blocking yarn, or a water-blocking tape. The water-blocking yarn or water-blocking tape has higher water absorption multiplying power, higher tensile strength, long-term thermal stability, instant thermal stability, expansion rate and expansion height, and lower surface resistance, and plays a good role in water resistance, moisture resistance and bonding of the bunched aerial cable.
In one embodiment, the reinforcing member 5 is a galvanized steel wire or an aluminum-clad steel wire. The galvanized steel wire or the aluminum-clad steel wire has better strength, toughness and corrosion resistance, and the material used as the reinforcing piece can improve the tensile resistance and the impact resistance of the bunched overhead cable.
In one embodiment, the insulating layer of the insulated wire core 8, the connecting rib 9 and the outer covering insulating layer of the optical unit 7 are made of the same weatherproof polyvinyl chloride insulating material or weatherproof polyolefin insulating material or weatherproof cross-linked polyethylene insulating material. On the premise of ensuring the insulating property, the utilization rate of the material can be improved, and the production cost is reduced.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (7)
1. An optical fiber composite bunched aerial cable comprises an insulated wire core (8) with an insulated layer coated outside a conductor, wherein the insulated wire core (8) is connected with an optical unit (7) through a connecting rib (9); the optical unit (7) is characterized by comprising an optical fiber bundle (1), a water-blocking filler (2), a stainless steel sleeve (3), a reinforcing piece (5) and an outer coating insulating layer (6); the optical fiber bundle is characterized in that the optical fiber bundle (1) is arranged in the stainless steel sleeve (3), a water-blocking filler (2) is filled between the optical fiber bundle (1) and the stainless steel sleeve (3), the stainless steel sleeve (3) is twisted with the reinforcement (5), and an anti-corrosion ointment (4) is coated between the stainless steel sleeve (3) and the reinforcement (5).
2. An optical fiber composite bundled aerial cable according to claim 1, characterized in that the conductor material in the insulated wire core (8) is copper, aluminum or aluminum alloy.
3. An optical fiber composite bundled aerial cable according to claim 1, characterized in that the number of the stainless steel sleeves (3) is 1, 2 or 3.
4. The optical fiber composite bundling overhead cable of claim 1, wherein the water-blocking filler (2) is a filling cable paste or water-blocking yarn or water-blocking tape.
5. The optical fiber composite bundled overhead cable according to claim 1, characterized in that the reinforcing member (5) is galvanized steel wire or aluminum-clad steel wire.
6. The optical fiber composite bundling aerial cable according to claim 1, characterized in that the insulating layer of the insulated wire core (8), the connecting rib (9) and the outer covering insulating layer (6) of the optical unit (7) are made of the same weatherable polyvinyl chloride insulating material or weatherable polyolefin insulating material or weatherable cross-linked polyethylene insulating material.
7. Optical fiber composite bundled overhead cable according to claim 1 characterized in that the insulated wire core (8) and the optical unit (7) are arranged in parallel or in star.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121533107.4U CN215988207U (en) | 2021-07-06 | 2021-07-06 | Optical fiber composite bunched overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121533107.4U CN215988207U (en) | 2021-07-06 | 2021-07-06 | Optical fiber composite bunched overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215988207U true CN215988207U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121533107.4U Active CN215988207U (en) | 2021-07-06 | 2021-07-06 | Optical fiber composite bunched overhead cable |
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| Country | Link |
|---|---|
| CN (1) | CN215988207U (en) |
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2021
- 2021-07-06 CN CN202121533107.4U patent/CN215988207U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240123 Address after: 214000, No. 58 Mashan Hushan Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Hongtu Optoelectronic Cable (Wuxi) Co.,Ltd. Country or region after: China Address before: No. 11, Xinke 4th Road, high tech Development Zone, Pukou District, Nanjing, Jiangsu 210012 Patentee before: JIANGSU HITEKER Co.,Ltd. Country or region before: China |
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