CN114188079A - Photoelectric composite cable - Google Patents
Photoelectric composite cable Download PDFInfo
- Publication number
- CN114188079A CN114188079A CN202111253511.0A CN202111253511A CN114188079A CN 114188079 A CN114188079 A CN 114188079A CN 202111253511 A CN202111253511 A CN 202111253511A CN 114188079 A CN114188079 A CN 114188079A
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- CN
- China
- Prior art keywords
- cable
- optical
- wrapped
- layer
- waterproof
- 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
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 230000008054 signal transmission Effects 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229920002748 Basalt fiber Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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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
- H01B7/02—Disposition of insulation
-
- 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
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
-
- 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
Landscapes
- Communication Cables (AREA)
Abstract
The invention discloses a photoelectric composite cable, relates to the field of cables, and aims to solve the problems or achieve the aim of providing a photoelectric composite cable which has good mechanical property, interference resistance and low friction and can be used for laying long-span outdoor pipelines. The cable core comprises a reinforcing part, three feeder lines, two signal transmission twisted pairs and an optical cable unit, wherein the reinforcing part is positioned in the center of the cable core; the waterproof layer is wrapped on the cable core and comprises a waterproof filling layer and a waterproof tape, the waterproof tape is wrapped on the cable core, and the waterproof filling layer is filled between the cable core and the waterproof tape; the insulating shielding layer is wrapped on the water blocking tape; the armor layer is wrapped on the insulating shielding layer; the outer sheath is wrapped on the armor layer and is a rubber outer sheath.
Description
Technical Field
The invention relates to the field of cables, in particular to a photoelectric composite cable.
Background
The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission. The photoelectric composite cable is structurally characterized in that optical cable cores are arranged among power transmission wire cores, and the photoelectric composite cable has the characteristic of performance that power and optical signals can be transmitted simultaneously. In addition, the temperature of the power wire core can be monitored by using the temperature-sensitive attenuation of the optical fiber. The application of the photoelectric composite cable is gradually expanded due to the technological progress, and the photoelectric composite cable is very suitable for large-span laying in the sea and land, building of rural access networks, equipment needing to provide power supply for a remote end and communication in special areas where the equipment is difficult to maintain. Meanwhile, the photoelectric composite cable is also very suitable to be used as a transmission medium to establish an access network, so that the network integration of telephone, data, television and electric power is realized. With the planning and construction development of the strategy of national information highway and national power grid company intelligent power grid, the photoelectric composite cable is continuously developed.
However, the prior art mainly has the following problems that (1) the common optical cable or electric cable can only transmit one of optical signals or electric signals, and the photoelectric integration cannot be realized. (2) During the laying process of the common cable, the lateral pressure resistance is not good, for example, a vehicle or a person walks to tread and press the cable, so that the performance of the cable is affected or an optical fiber is damaged, and the signal is interrupted. (3) When the circuit around the laying environment is complex and has strong magnetic interference, the transmission of the electric signal can be influenced. (4) Pipeline optical cable lays the in-process, and normal outer protective material lays the friction great, leads to easily to lay the progress slow, and outer sheath also has wearing and tearing. In order to solve the problems, the invention provides an optical-electrical composite cable suitable for different scenes.
Disclosure of Invention
In view of this, the present invention provides an optical-electrical composite cable, and mainly aims to provide an optical-electrical composite cable which has good mechanical properties, is resistant to interference, has low friction, and can be used for laying long-span outdoor pipelines.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
embodiments of the present invention provide an optical-electrical composite cable. It includes:
the cable comprises a cable core, a plurality of signal transmission twisted pairs and optical cable units, wherein the cable core comprises a reinforcing part, three feeder lines, two signal transmission twisted pairs and optical cable units, the reinforcing part is positioned in the center of the cable core, the three feeder lines are arranged around the reinforcing part and are twisted with the reinforcing part to form a cable, and the two signal transmission twisted pairs and the optical cable units are respectively arranged at the included angles of the three feeder lines which are twisted to form the cable and are respectively twisted with the two adjacent feeder lines to form the cable;
the waterproof layer is wrapped on the cable core and comprises a waterproof filling layer and a waterproof tape, the waterproof tape is wrapped on the cable core, and the waterproof filling layer is filled between the cable core and the waterproof tape;
the insulating shielding layer is wrapped on the water blocking tape;
the armor layer is wrapped on the insulation shielding layer;
the outer sheath is wrapped on the armor layer and is a rubber outer sheath.
As previously mentioned, the reinforcement is a steel wire reinforcement.
As described above, the cable unit includes a plurality of optical fibers twisted together and a loose tube wrapped around the plurality of optical fibers.
As previously described, the water-blocking filling layer is filled with a plurality of water-blocking yarns.
As previously described, the water-blocking filling layer is filled with basalt fiber yarn.
As described above, the insulation shielding layer is a tin-plated copper braided belt wound around the water blocking belt.
As mentioned above, the armor layer is a stainless steel strip longitudinally wrapped on the insulation shield layer.
As mentioned above, the outer sheath is made of TPU.
By the technical scheme, the invention (name) at least has the following advantages:
the photoelectric composite cable provided by the invention realizes simultaneous transmission of three-phase alternating current, optical signals and electric signals by arranging the cable core comprising the reinforcing part, the three feeder lines, the two signal transmission twisted pairs and the optical cable unit which are positioned in the center of the cable core, realizes a power supply function, is suitable for different scenes, has good mechanical property, compression resistance and interference resistance by arranging the water-blocking layer, the insulating shielding layer, the armor layer and the outer sheath, has wear resistance and low friction by arranging the outer sheath as the rubber outer sheath, can meet the requirements of severe environments such as outdoor pipelines, cable ducts and the like, and is convenient to lay.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the optical/electrical composite cable according to the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, an embodiment of the present invention provides an optical/electrical composite cable, which includes: the cable comprises a cable core 1, a water-resistant layer 2, an insulation shielding layer 3, an armor layer 4 and an outer sheath 5.
As shown in fig. 1, the cable core 1 includes a strength member 11, three feeder lines 12, two signal transmission twisted pairs 13, and a cable unit 14, which are located at the center of the cable core 1, the three feeder lines 12 are disposed around the strength member 11 and are twisted with the strength member 11 to form a cable, and the two signal transmission twisted pairs 13 and the cable unit 14 are respectively disposed at the corners of the three twisted feeder lines 12 and are respectively twisted with two adjacent feeder lines 12 to form a cable. Wherein, reinforcement 11 is the steel wire reinforcement, and the steel wire reinforcement can guarantee the fine tensile properties of photoelectric composite cable. The optical cable unit 14 includes a plurality of optical fibers 141 twisted together and a loose tube 142 wrapped around the optical fibers 141, the optical fibers are wrapped around the loose tube to protect the optical fibers from being damaged by the outside and to enhance the pressure resistance of the optical cable, and meanwhile, the optical fibers are not in a tight-sleeve process, so that the free space in the optical cable is large, and the transmission performance of the optical fibers is ensured.
As shown in fig. 1, the water-blocking layer 2 is wrapped on the cable core 1 and comprises a water-blocking filling layer 21 and a water-blocking tape 22, the water-blocking tape 22 is wrapped on the cable core 1, and the water-blocking filling layer 21 is filled between the cable core 1 and the water-blocking tape 22; the water-blocking filling layer 21 is filled with a plurality of water-blocking yarns, the water-blocking yarns and the water-blocking tape enable the photoelectric composite cable to have good water-blocking performance, the water-blocking filling layer 21 can also be filled with other materials capable of blocking water, for example, the water-blocking filling layer 21 can also be filled with basalt fiber yarns capable of absorbing water, and the basalt fiber yarns are novel non-metal yarns, have extremely strong wear resistance and high temperature resistance, have strong tensile strength and are commonly used in fire suits. The arrangement of the water-resistant layer 2 avoids the hydrogen loss of the optical fiber and prolongs the service life of the optical fiber.
As shown in fig. 1, the insulation shielding layer 3 is wrapped on the water blocking tape 22, the insulation shielding layer 3 is a tin-plated copper braided tape wound on the water blocking tape, and the tin-plated copper braided tape enables the photoelectric composite cable to have good shielding performance, so that interference of an external magnetic field to an electric signal can be greatly reduced, and the efficiency and quality of electric signal transmission are improved.
As shown in fig. 1, the armor layer 4 is wrapped on the insulation shielding layer 3, the armor layer 4 is a stainless steel band longitudinally wrapped on the insulation shielding layer 3, the stainless steel band can enhance the flattening resistance and the impact resistance of the photoelectric composite cable, and meanwhile, the armor of the stainless steel band has good rat-proof performance, so that the photoelectric composite cable can be used in severe environments where rats suffer from rampant diseases, and smooth communication of the optical cable in various severe environments is effectively guaranteed.
As shown in fig. 1, the outer sheath 5 is wrapped on the armor layer 4 and is a rubber outer sheath, the outer sheath 5 is made of TPU (thermoplastic polyurethane elastomer rubber), the TPU has wear resistance and low friction, and the outer sheath of the photoelectric composite cable is made of a low friction material, so that the photoelectric composite cable has smaller resistance in a pipeline in the laying process, can meet the requirements of severe environments such as outdoor pipelines and cable ducts, and is convenient to lay.
The photoelectric composite cable provided by the invention realizes simultaneous transmission of three-phase alternating current, optical signals and electric signals by arranging the cable core comprising the reinforcing part, the three feeder lines, the two signal transmission twisted pairs and the optical cable unit which are positioned in the center of the cable core, realizes a power supply function, is suitable for different scenes, has good mechanical property, compression resistance and interference resistance by arranging the water-blocking layer, the insulating shielding layer, the armor layer and the outer sheath, has wear resistance and low friction by arranging the outer sheath as the rubber outer sheath, can meet the requirements of severe environments such as outdoor pipelines, cable ducts and the like, and is convenient to lay.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
Claims (8)
1. An optical-electrical composite cable, characterized in that: it includes:
the cable comprises a cable core, a plurality of signal transmission twisted pairs and optical cable units, wherein the cable core comprises a reinforcing part, three feeder lines, two signal transmission twisted pairs and optical cable units, the reinforcing part is positioned in the center of the cable core, the three feeder lines are arranged around the reinforcing part and are twisted with the reinforcing part to form a cable, and the two signal transmission twisted pairs and the optical cable units are respectively arranged at the included angles of the three feeder lines which are twisted to form the cable and are twisted with two adjacent feeder lines to form the cable;
the waterproof layer is wrapped on the cable core and comprises a waterproof filling layer and a waterproof tape, the waterproof tape is wrapped on the cable core, and the waterproof filling layer is filled between the cable core and the waterproof tape;
the insulating shielding layer is wrapped on the water blocking tape;
the armor layer is wrapped on the insulation shielding layer;
the outer sheath is wrapped on the armor layer and is a rubber outer sheath.
2. The optical-electrical composite cable according to claim 1,
the reinforcement is a steel wire reinforcement.
3. The optical-electrical composite cable according to claim 1,
the optical cable unit comprises a plurality of optical fibers twisted together and a loose tube wrapped on the optical fibers.
4. The optical-electrical composite cable according to claim 1,
the water-blocking filling layer is filled with a plurality of water-blocking yarns.
5. The optical-electrical composite cable according to claim 1,
the water-blocking filling layer is filled with basalt fiber yarns.
6. The optical-electrical composite cable according to claim 1,
the insulation shielding layer is a tinned copper woven belt wound on the water blocking belt.
7. The optical-electrical composite cable according to claim 1,
the armor layer is a stainless steel band longitudinally wrapped on the insulation shielding layer.
8. The optical-electrical composite cable according to claim 1,
the outer sheath is made of TPU material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253511.0A CN114188079A (en) | 2021-10-27 | 2021-10-27 | Photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253511.0A CN114188079A (en) | 2021-10-27 | 2021-10-27 | Photoelectric composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114188079A true CN114188079A (en) | 2022-03-15 |
Family
ID=80601580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111253511.0A Pending CN114188079A (en) | 2021-10-27 | 2021-10-27 | Photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114188079A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101807A (en) * | 2007-07-31 | 2008-01-09 | 江苏永鼎股份有限公司 | Photoelectric composite cable |
| CN202307314U (en) * | 2011-08-22 | 2012-07-04 | 深圳市耐斯龙光纤光缆有限公司 | Feeder optical cable |
| CN103325465A (en) * | 2013-05-31 | 2013-09-25 | 成都亨通光通信有限公司 | Remote radio two-optical-cable and two-electric-cable hybrid cable for base station |
| CN203812642U (en) * | 2014-04-10 | 2014-09-03 | 江苏中辰电缆有限公司 | Special lighting cable for airports |
| CN203850040U (en) * | 2014-05-30 | 2014-09-24 | 深圳市雅信通光缆有限公司 | Photoelectric composite cable for access network |
| CN204558057U (en) * | 2015-02-27 | 2015-08-12 | 安徽卓越电缆有限公司 | A kind of multiply conductor thread core tensile cable |
| CN204614536U (en) * | 2015-05-18 | 2015-09-02 | 江苏宏图高科技股份有限公司 | The light-duty composite rope of dynamic photoelectric under water |
| CN204904892U (en) * | 2015-07-10 | 2015-12-23 | 安徽天龙电器线缆集团有限公司 | Marine optoelectrical composite low tension cable |
| CN109493999A (en) * | 2018-11-20 | 2019-03-19 | 安徽宏源特种电缆股份有限公司 | A kind of direction waterproof mooring photoelectric composite cable and production method |
| CN210692182U (en) * | 2019-07-18 | 2020-06-05 | 温州市威尔鹰新材料线缆有限公司 | Crosslinked polyethylene insulated vinyl chloride sheath power cable |
| WO2021027220A1 (en) * | 2019-08-15 | 2021-02-18 | 中天科技海缆股份有限公司 | Submarine photoelectric composite cable |
-
2021
- 2021-10-27 CN CN202111253511.0A patent/CN114188079A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101807A (en) * | 2007-07-31 | 2008-01-09 | 江苏永鼎股份有限公司 | Photoelectric composite cable |
| CN202307314U (en) * | 2011-08-22 | 2012-07-04 | 深圳市耐斯龙光纤光缆有限公司 | Feeder optical cable |
| CN103325465A (en) * | 2013-05-31 | 2013-09-25 | 成都亨通光通信有限公司 | Remote radio two-optical-cable and two-electric-cable hybrid cable for base station |
| CN203812642U (en) * | 2014-04-10 | 2014-09-03 | 江苏中辰电缆有限公司 | Special lighting cable for airports |
| CN203850040U (en) * | 2014-05-30 | 2014-09-24 | 深圳市雅信通光缆有限公司 | Photoelectric composite cable for access network |
| CN204558057U (en) * | 2015-02-27 | 2015-08-12 | 安徽卓越电缆有限公司 | A kind of multiply conductor thread core tensile cable |
| CN204614536U (en) * | 2015-05-18 | 2015-09-02 | 江苏宏图高科技股份有限公司 | The light-duty composite rope of dynamic photoelectric under water |
| CN204904892U (en) * | 2015-07-10 | 2015-12-23 | 安徽天龙电器线缆集团有限公司 | Marine optoelectrical composite low tension cable |
| CN109493999A (en) * | 2018-11-20 | 2019-03-19 | 安徽宏源特种电缆股份有限公司 | A kind of direction waterproof mooring photoelectric composite cable and production method |
| CN210692182U (en) * | 2019-07-18 | 2020-06-05 | 温州市威尔鹰新材料线缆有限公司 | Crosslinked polyethylene insulated vinyl chloride sheath power cable |
| WO2021027220A1 (en) * | 2019-08-15 | 2021-02-18 | 中天科技海缆股份有限公司 | Submarine photoelectric composite cable |
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