CN110634614A - Photoelectric composite cable for 5G base station - Google Patents
Photoelectric composite cable for 5G base station Download PDFInfo
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- CN110634614A CN110634614A CN201911044187.4A CN201911044187A CN110634614A CN 110634614 A CN110634614 A CN 110634614A CN 201911044187 A CN201911044187 A CN 201911044187A CN 110634614 A CN110634614 A CN 110634614A
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- optical
- thread
- layer
- insulating
- composite cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses an optical-electrical composite cable for a 5G base station, which comprises an outer sheath, a shielding layer, an insulating layer and a central reinforcing core, wherein the outer sheath is coated outside the insulating layer, a plurality of optical cables and power lines are arranged between the insulating layer and the central reinforcing core, the optical cables and the power lines are arranged around the central reinforcing core in a surrounding manner, each optical cable comprises a loose tube and optical fibers coated in the loose tube, the insulating layer comprises an insulating inner layer and an insulating outer layer, the outer surface of the insulating inner layer is provided with external threads, the inner surface of the insulating outer layer is provided with internal threads, the thread pitches of the external threads and the internal threads are different, the crests of the external threads are abutted against the crests of the internal threads, and a cavity extending along the length direction of the composite. The photoelectric composite cable is reasonable in design, the cavity extending along the length direction of the composite cable is formed in the insulating layer, the dielectric constant of the insulating layer can be effectively reduced, the dielectric loss is reduced, and the transmission efficiency of the photoelectric composite cable is remarkably improved.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to an optical-electrical composite cable for a 5G base station.
Background
The fifth generation mobile communication technology (5G or 5G technology for short) is the latest generation cellular mobile communication technology, also an extension behind the 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (gsm) systems. The performance goals of 5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity.
5G mobile networks like earlier 2G, 3G and 4G mobile networks, 5G networks are digital cellular networks in which the service area covered by a provider is divided into a number of small geographical areas called cells. Therefore, the construction of 5G base stations is also in the process of tightly milling the drum, and the density of the 5G base stations is higher than that of the 3G base stations determined by the characteristics of the 5G frequency band, which means that the requirement on cables is higher, and the requirement on the performance of the cables is higher.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the photoelectric composite cable for the 5G base station, which has the advantages of reasonable structure, lower loss and higher transmission efficiency. The technical scheme is as follows:
the photoelectric composite cable for the 5G base station comprises an outer sheath, a shielding layer, an insulating layer and a central reinforcing core, wherein the outer sheath is coated outside the insulating layer, a plurality of optical cables and power lines are arranged between the insulating layer and the central reinforcing core, the optical cables and the power lines are arranged around the central reinforcing core, each optical cable comprises a loose tube and optical fibers coated in the loose tube, the insulating layer comprises an insulating inner layer and an insulating outer layer, the outer surface of the insulating inner layer is provided with external threads, the inner surface of the insulating outer layer is provided with internal threads, the thread pitches of the external threads and the internal threads are different, the crests of the external threads and the crests of the internal threads are abutted, and a cavity extending along the length direction of the composite cable is formed between the external threads and the internal threads.
As a further development of the invention, the pitch ratio of the external thread to the internal thread is 0.2 to 0.8 or 1.2 to 5.
As a further improvement of the invention, the thread pitch ratio of the external thread to the internal thread is 2/3, two contact points which are contacted with the crest of the internal thread are arranged on each circle of crest of the external thread, and three contact points which are contacted with the crest of the external thread are arranged on each circle of crest of the internal thread.
As a further improvement of the invention, the thread pitch ratio of the external thread to the internal thread is 3/2, three contact points which are contacted with the crest of the internal thread are arranged on each circle of crest of the external thread, and two contact points which are contacted with the crest of the external thread are arranged on each circle of crest of the internal thread.
As a further improvement of the invention, the crest of the external thread and the crest of the internal thread are both flat.
As a further improvement of the invention, the outer diameters of the central reinforced core, the optical cable and the power line are equal, the total number of the optical cable and the power line is six, and the optical cable and the power line are closely surrounded around the central reinforced core.
As a further improvement of the invention, a filling rope is filled between the insulating layer and the central reinforcing core.
As a further improvement of the present invention, the insulating layer is PTFE.
The invention has the beneficial effects that:
the photoelectric composite cable for the 5G base station is reasonable in design, the insulating layer is arranged into the insulating inner layer and the insulating outer layer, the outer surface of the insulating inner layer is provided with the external thread, the inner surface of the insulating outer layer is provided with the internal thread, the thread pitches of the external thread and the internal thread are different, and the crest of the external thread is abutted to the crest of the internal thread, so that a cavity extending along the length direction of the composite cable is formed between the external thread and the internal thread, the dielectric constant of the insulating layer can be effectively reduced, the dielectric loss is reduced, and the transmission efficiency of the photoelectric composite cable is remarkably improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an optical-electrical composite cable for a 5G base station in an embodiment of the present invention;
FIG. 2 is a schematic structural view of an insulating outer layer in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of an insulating interlayer in an embodiment of the present invention;
fig. 4 is an assembled sectional view of an insulating outer layer and an insulating inner layer in an embodiment of the present invention.
Description of the labeling: 10. an outer sheath; 20. a shielding layer; 30. an insulating outer layer; 31. an internal thread; 40. an insulating inner layer; 41. an external thread; 50. a central reinforcing core; 60. an optical cable; 70. a power line; 80. and (6) filling the ropes.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1 to 4, the optical/electrical composite cable for a 5G base station in the embodiment of the present invention includes an outer sheath 10, a shielding layer 20, an insulating layer, and a central reinforcing core 50, wherein the outer sheath 10 is wrapped outside the insulating layer, and the insulating layer is PTFE.
A plurality of optical cables 60 and power lines 70 are disposed between the insulating layer and the central core 50, the optical cables 60 and power lines 70 are disposed around the central core 50, and the optical cables 60 include loose tubes and optical fibers wrapped in the loose tubes.
As shown in fig. 2 to 4, the insulation layer includes an insulation inner layer 40 and an insulation outer layer 30, an external thread 41 is provided on an outer surface of the insulation inner layer 40, an internal thread 31 is provided on an inner surface of the insulation outer layer 30, pitches of the external thread 41 and the internal thread 31 are different, crests of the external thread 41 abut against crests of the internal thread 31, and a cavity extending in a length direction of the composite cable is formed between the external thread 41 and the internal thread 31.
Wherein, the pitch of external screw thread 41 and internal thread 31 is inequality makes external screw thread 41 and crest can not arrange the root of internal thread 31 in, and the root of external screw thread 41 can not be arranged in to the crest of internal thread 31 simultaneously for external screw thread 41 and internal thread 31 can only lean on the crest to butt each other, have guaranteed connectivity and the integrality of cavity between external screw thread 41 and the internal thread 31. The dielectric constant of the whole insulating layer can be effectively reduced, the dielectric loss is reduced, the transmission efficiency of the photoelectric composite cable is obviously improved, meanwhile, the air circulation and the pressure balance in the cavity are guaranteed through the connectivity of the cavity, and the damage to the local part of the photoelectric composite cable caused by the fact that the local sealed cavity is pressed is avoided. Meanwhile, the thread structure can also reduce the material of the insulating layer, thereby saving the cost.
Preferably, the pitch ratio between the pitch a of the external thread 41 and the pitch b of the internal thread 31 is 0.2-0.8 or 1.2-5. In the present embodiment, the pitch ratio between the male screw 41 and the female screw 31 is 2/3, two contact points with which the crests of the female screw 31 are brought into contact are provided at each turn of the crests of the male screw 41, and three contact points with which the crests of the male screw 41 are brought into contact are provided at each turn of the crests of the female screw 31.
In another embodiment of the present invention, the pitch ratio between the male thread 41 and the female thread 31 is 3/2, there are three abutment points on each crest of the male thread 41 for abutment with the crests of the female thread 31, and two abutment points on each crest of the female thread 31 for abutment with the crests of the male thread 41.
In order to secure the stability of the contact between the male screw 41 and the female screw 31 and the strength of the insulation layer, the crests of the male screw 41 and the crests of the female screw 31 are flat.
In this embodiment, the outer diameters of the central strength member 50, the optical cable 60, and the power cord 70 are equal, the total number of the optical cable 60 and the power cord 70 is six, and the optical cable 60 and the power cord 70 are closely surrounded around the central strength member 50. A filler cord 80 is filled between the insulation layer and the central reinforcing core 50.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The photoelectric composite cable for the 5G base station is characterized by comprising an outer sheath, a shielding layer, an insulating layer and a central reinforcing core, wherein the outer sheath is coated outside the insulating layer, a plurality of optical cables and power lines are arranged between the insulating layer and the central reinforcing core, the optical cables and the power lines are arranged around the central reinforcing core in a surrounding mode, each optical cable comprises a loose tube and an optical fiber coated in the loose sheath, the insulating layer comprises an insulating inner layer and an insulating outer layer, an external thread is arranged on the outer surface of the insulating inner layer, an internal thread is arranged on the inner surface of the insulating outer layer, the thread pitches of the external thread and the internal thread are different, the crest of the external thread is abutted to the crest of the internal thread, and a cavity extending along the length direction of the composite cable is formed between the.
2. The optical-electrical composite cable for a 5G base station according to claim 1, wherein the pitch ratio of the external thread to the internal thread is 0.2-0.8 or 1.2-5.
3. The optical/electrical composite cable for a 5G base station according to claim 2, wherein the pitch ratio of the male and female threads is 2/3, two contact points are provided on each crest of the male thread to contact with the crests of the female thread, and three contact points are provided on each crest of the female thread to contact with the crests of the male thread.
4. The optical/electrical composite cable for a 5G base station according to claim 2, wherein the pitch ratio of the male and female threads is 3/2, three contact points are provided on each crest of the male thread to contact with the crests of the female thread, and two contact points are provided on each crest of the female thread to contact with the crests of the male thread.
5. The optical-electrical composite cable for a 5G base station according to claim 1, wherein crests of the external threads and crests of the internal threads are both flat.
6. The optical-electrical composite cable for a 5G base station according to claim 1, wherein the central strength core, the optical cables and the power cables have the same outer diameter, the total number of the optical cables and the power cables is six, and the optical cables and the power cables are closely arranged around the central strength core.
7. The optical-electrical composite cable for 5G base station according to claim 1, wherein the filling rope is filled between the insulation layer and the central reinforcing core.
8. The composite optical cable for a 5G base station as claimed in claim 1, wherein the insulating layer is PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044187.4A CN110634614B (en) | 2019-10-30 | 2019-10-30 | Photoelectric composite cable for 5G base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044187.4A CN110634614B (en) | 2019-10-30 | 2019-10-30 | Photoelectric composite cable for 5G base station |
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| Publication Number | Publication Date |
|---|---|
| CN110634614A true CN110634614A (en) | 2019-12-31 |
| CN110634614B CN110634614B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911044187.4A Active CN110634614B (en) | 2019-10-30 | 2019-10-30 | Photoelectric composite cable for 5G base station |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1288662B (en) * | 1965-07-07 | 1969-02-06 | Siemens Ag | Insulation for high-voltage purposes, especially for high-voltage cables, made of layers of insulating material |
| US20100137964A1 (en) * | 2008-11-29 | 2010-06-03 | Medtronic, Inc. | Medical electrical lead joints and methods of manufacture |
| CN205900179U (en) * | 2016-07-05 | 2017-01-18 | 福建南平太阳电缆股份有限公司 | Photoelectric composite cable |
| CN205920253U (en) * | 2016-07-07 | 2017-02-01 | 成都迪谱光电科技有限公司 | Optical cable of anti side pressure ability reinforce |
| CN108520792A (en) * | 2018-05-04 | 2018-09-11 | 无锡市曙光电缆有限公司 | A kind of polyvinyl chloride insulation shell-less electric wire |
| CN208335772U (en) * | 2018-06-28 | 2019-01-04 | 吉林省东能电力工程有限公司 | A kind of cable insulation protective jacket |
| CN109638529A (en) * | 2018-11-19 | 2019-04-16 | 江苏润华电缆股份有限公司 | A kind of energy-conserving photoelectric Cold-resistant ultraviolet luff cable |
| CN109754924A (en) * | 2019-03-13 | 2019-05-14 | 安徽亢信电子科技有限公司 | A kind of highly resistance type connector cable |
-
2019
- 2019-10-30 CN CN201911044187.4A patent/CN110634614B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1288662B (en) * | 1965-07-07 | 1969-02-06 | Siemens Ag | Insulation for high-voltage purposes, especially for high-voltage cables, made of layers of insulating material |
| US20100137964A1 (en) * | 2008-11-29 | 2010-06-03 | Medtronic, Inc. | Medical electrical lead joints and methods of manufacture |
| CN205900179U (en) * | 2016-07-05 | 2017-01-18 | 福建南平太阳电缆股份有限公司 | Photoelectric composite cable |
| CN205920253U (en) * | 2016-07-07 | 2017-02-01 | 成都迪谱光电科技有限公司 | Optical cable of anti side pressure ability reinforce |
| CN108520792A (en) * | 2018-05-04 | 2018-09-11 | 无锡市曙光电缆有限公司 | A kind of polyvinyl chloride insulation shell-less electric wire |
| CN208335772U (en) * | 2018-06-28 | 2019-01-04 | 吉林省东能电力工程有限公司 | A kind of cable insulation protective jacket |
| CN109638529A (en) * | 2018-11-19 | 2019-04-16 | 江苏润华电缆股份有限公司 | A kind of energy-conserving photoelectric Cold-resistant ultraviolet luff cable |
| CN109754924A (en) * | 2019-03-13 | 2019-05-14 | 安徽亢信电子科技有限公司 | A kind of highly resistance type connector cable |
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| CN110634614B (en) | 2020-12-01 |
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Effective date of registration: 20210510 Address after: 215000 xintianwan, Qidu Town, Wujiang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Hengtong Wire&Cable Technology Co.,Ltd. Patentee after: JIANGSU HENGTONG INDUSTRIAL CONTROL SAFETY RESEARCH INSTITUTE Co.,Ltd. Address before: 215000 xintianwan, Qidu Town, Wujiang City, Suzhou City, Jiangsu Province Patentee before: Jiangsu Hengtong Wire&Cable Technology Co.,Ltd. |
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