CN107195373B - Photoelectric composite leaky coaxial cable, leaky cable monitoring system and detection method - Google Patents
Photoelectric composite leaky coaxial cable, leaky cable monitoring system and detection method Download PDFInfo
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- CN107195373B CN107195373B CN201710197357.7A CN201710197357A CN107195373B CN 107195373 B CN107195373 B CN 107195373B CN 201710197357 A CN201710197357 A CN 201710197357A CN 107195373 B CN107195373 B CN 107195373B
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- cable
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- combiner
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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
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
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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
- H01B7/17—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
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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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
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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
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
- H01B7/366—Insulated conductors or cables characterised by their form with distinguishing or length marks being a tape, thread or wire extending the full length of the conductor or cable
Abstract
The invention provides a photoelectric composite leaky coaxial cable, a leaky cable monitoring system and a detection method. The optical path monitoring device at least has one optical path, can be used for optical fiber remote of system signals or leakage cable on-line monitoring, has two leakage photoelectric composite cables with mark lines, and at least has two optical paths, and can meet the requirements of the optical path for the optical fiber remote of the system signals and the leakage cable on-line monitoring. The optical cable and the electric cable are the same, the optical cable is installed and attached to the leaky cable, the strength is firm, once the leaky cable is installed, the optical path is laid, and the installation is convenient.
Description
Technical Field
The invention belongs to the technical field of communication cables, and particularly relates to a photoelectric composite leaky coaxial cable, a leaky cable monitoring system and a leaky cable detection method.
Background
In a wireless communication coverage system for a strip-shaped long and narrow area such as a tunnel and a mine, since the antenna is not suitable for use in such an area due to its own characteristics, a leaky cable is used for wireless coverage, and its signal radiation is uniform and can be applied to various tunnel environments, which is certainly the best choice. Meanwhile, the use of leaky coaxial cables for wireless coverage is limited by the information source, the length of the tunnel and the coaxial cables, and a system using leaky cables for wireless coverage inevitably uses optical fibers for signal zooming or transmits other signals.
With the development of information technology, the requirements of people on signals and signal quality are higher and higher, the application scenes of leaky coaxial cables are more and more, and the leaky coaxial cables are used for wireless coverage in important occasions and systems, so that the communication coverage quality and the signal reliability of the leaky coaxial cables are more and more concerned by people. The leakage cable is influenced by a specific environment in a tunnel, aging and deformation phenomena can be avoided along with the increase of the service time of the leakage cable, a joint is also possible to loosen, the leakage cable is waterproof, and water inflow phenomena can occur to influence the transmission of signals if the leakage cable is not well protected, and the running state and the running parameters of the leakage cable can not be directly known, so that the application of the leakage cable on-line monitoring system is more and more concerned by people, but because the system needs to use an additional optical path, the cost is too high, and the leakage cable on-line monitoring system is not widely applied all the time.
Therefore, it is necessary to design a new type of leaky cable.
Disclosure of Invention
The invention provides a photoelectric composite leaky coaxial cable which is used for optical fiber remote of system signals or leaky cable on-line monitoring and can meet the requirements of optical paths for the optical fiber remote of the system signals and the leaky cable on-line monitoring, and a leaky cable monitoring system and a detection method.
The invention provides a photoelectric composite leakage coaxial cable which comprises an inner conductor, an insulating layer positioned outside the inner conductor, an outer conductor positioned outside the insulating layer and a sheath positioned outside the outer conductor, wherein the sheath is provided with at least one sign line, and an optical fiber is arranged in the sign line.
Preferably, there are two marker lines, and each marker line has an optical fiber disposed therein.
Preferably, a reinforcing rib is further arranged in the mark.
Preferably, the outer conductor is provided with a hole, and when the leaky cable is laid, the hole faces the covering area.
The invention also provides a leaky cable monitoring system for detecting the photoelectric composite leaky coaxial cable, the first optical cable and the second optical cable and sending the detection result of the base station to a network management center, the leaky cable monitoring system comprises: the device comprises a first combiner connected with one end of the photoelectric composite leakage coaxial cable, a second combiner connected with the other end of the photoelectric composite leakage coaxial cable, a first detection module connected with one ends of the first combiner and the first optical cable, a second detection module connected with the other ends of the second combiner and the first optical cable, a first radio frequency remote module connected with one ends of the first combiner and the second optical cable, and a second radio frequency remote module connected with the other ends of the second combiner and the second optical cable, wherein the first detection module and the second detection module are both connected with a network management center, the first radio frequency remote module and the second radio frequency remote module are both connected with a base station, and the base station is also connected with the network management center.
The invention also provides a detection method of the leaky cable monitoring system, which comprises the following steps:
the first step is as follows: two ends of the photoelectric composite leakage coaxial cable are respectively connected with the output ports of the first combiner and the second combiner;
the second step is that: the first detection module combines a detection signal and a signal sent by the first radio frequency remote module into the photoelectric composite leakage coaxial cable through a first combiner, and the second detection module combines the detection signal and a signal sent by the second radio frequency remote module into the photoelectric composite leakage coaxial cable through a second combiner;
the third step: the two ends of the optical cable are respectively connected with a first detection module and a second detection module, and the first detection module and the second detection module collect detection data and upload the detection data to a network;
the fourth step: the signal source signals of the first radio remote module and the second radio remote module are provided by base station signals through optical fibers;
the fifth step: and the control information and the basic information of the base station and the detection results of the first detection module and the second detection module are all sent to a network management center.
The optical path monitoring device at least has one optical path, can be used for optical fiber remote of system signals or leakage cable on-line monitoring, has two leakage photoelectric composite cables with mark lines, and at least has two optical paths, and can meet the requirements of the optical path for the optical fiber remote of the system signals and the leakage cable on-line monitoring. The optical cable and the electric cable are the same, the optical cable is installed and attached to the leaky cable, the strength is firm, once the leaky cable is installed, the optical path is laid, and the installation is convenient.
Drawings
FIG. 1 is a schematic diagram of a leakage photoelectric composite cable with two marked wires;
FIG. 2 is a pictorial view of FIG. 1;
FIG. 3 is a view of the structure of a single-sign line leaky photoelectric composite cable;
fig. 4 is a schematic view of a leaky cable monitoring system.
Detailed Description
Fig. 1 and 2 show schematic structural diagrams of a first embodiment of the present invention, and fig. 1 and 2 show structural diagrams of a dual-sign line leaky photoelectric composite cable, where the photoelectric composite leaky coaxial cable 100 includes: an inner conductor 1, an insulation layer 2 outside the inner conductor 1, an outer conductor 4 outside the insulation layer 2, a jacket 5 outside the outer conductor 4, and two marker wires 6 disposed on the jacket 5.
The inner conductor 1 is a core structure of the coaxial cable 100, and is used as a main channel of a current signal; the insulating layer 2 serves as a transmission path of electromagnetic waves.
The outer conductor 4 is used as an electromagnetic shielding layer, a hole 3 is arranged on the outer conductor, the hole 3 is used as an electromagnetic wave radiation channel, the surface where the hole 3 is located is a main radiation surface, and when the leaky cable is laid, the hole 3 faces to a covering area.
The sheath 5 functions to protect the present coaxial cable 100; the two mark lines 6 are used as necessary structures of the leaky coaxial cable and are matched with a matched clamp, the mark lines 6 are used for fixing the orientation of the leaky cable, the orientation of a slotted hole of the leaky cable can be distinguished when the leaky coaxial cable is installed in a dark environment, and the leaky cable is prevented from being twisted after being installed.
All be equipped with optic fibre 7 in every marking line 6, optic fibre 7 utilizes the necessary marking line structure of leaky cable, installs optic fibre 7 additional at marking line 6 inner space, can be perfect compound integrative with the photoelectric channel, also lays the optical cable when the installation is accomplished to the leaky cable, has saved the manpower and materials that the optical cable was independently constructed and has laid and consume, can satisfy the required light path of leaky cable self system.
Reinforcing ribs (not shown) are also provided in each marker line 6 to better locate the optical fibres 7 within the marker lines 6.
Because the optical fiber is not led into the inner part of the leakage cable key structure, the optical fiber is convenient to be led out after photoelectric compounding, is convenient and fast to use and does not interfere with each other.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention, fig. 2 is a structural diagram of a single-sign-line leakage photoelectric composite cable, and the coaxial cable 100 shown in fig. 3 differs from the coaxial cable 100 shown in fig. 1 in that: the sheath 5 is provided with a marker wire 6, and the function of the marker wire 6 is the same as that of the marker wire shown in fig. 1, and the description thereof will not be repeated.
Figure 4 shows a schematic view of a leaky cable monitoring system,
the invention relates to a photoelectric composite leaky cable which can be applied to a leaky cable online monitoring system, at least one optical path can be saved for independent laying, and the optical path can also be used for signal optical fiber pulling. Because the online leaky cable monitoring system and the detection method have simpler principles,
the leaky cable monitoring system is used for detecting the photoelectric composite leaky coaxial cable 100, the first optical cable 200 and the second optical cable 300, the leaky cable detecting system sends the detection result of the base station 500 to the network management center 400, and the system comprises: the optical fiber composite leakage coaxial cable comprises a first combiner 301 connected with one end of the optical-electrical composite leakage coaxial cable 100, a second combiner 302 connected with the other end of the optical-electrical composite leakage coaxial cable 100, a first detection module 303 connected with both the first combiner 301 and one end of the first optical cable 200, a second detection module 304 connected with both the second combiner 302 and the other end of the first optical cable 200, a first remote radio module 305 connected with both the first combiner 301 and one end of the second optical cable 300, and a second remote radio module 306 connected with both the second combiner 302 and the other end of the second optical cable 300, wherein both the first detection module 303 and the second detection module 304 are connected with a network management center 400, both the first remote radio module 305 and the second remote radio module 306 are connected with a base station 500, and the base station 500 is also connected with the network management center 400.
The detection method of the leaky cable monitoring system comprises the following steps:
the first step is as follows: two ends of the photoelectric composite leaky coaxial cable 100 are respectively connected with output ports of the first combiner 301 and the second combiner 302;
the second step is that: the first detection module 303 combines the detection signal with a signal sent by the first radio frequency remote module 305 into the optical-electrical composite leaky coaxial cable 100 through the first combiner 301, and the second detection module 304 combines the detection signal with a signal sent by the second radio frequency remote module 306 into the optical-electrical composite leaky coaxial cable 100 through the second combiner 302; the third step: the two ends of the first optical cable 200 are respectively connected to the first detection module 303 and the second detection module 304, and the detection data is collected and uploaded to the network management system 400 (here, the signal is generally uploaded to the network management system at a station);
the fourth step: the source signal of the first radio remote module 305 and the second radio remote module 306 is provided by the base station 500 through the second optical cable 300 (this optical fiber path can also be replaced by the optical fiber path compounded on the leaky cable);
the fifth step: the control information and the basic information of the base station 500 and the detection results of the first detection module 303 and the second detection module 304 are all sent to the network management center 400. The photoelectric composite leaky coaxial cable 100, the first optical cable 200 and the second optical cable 300 are detected by the leaky cable detection system.
The optical path leakage monitoring device at least has one optical path, can be used for optical fiber remote of system signals or leakage cable on-line monitoring, has two sign lines, has at least two optical paths, and can meet the requirements of the optical path for the system signal remote and the leakage cable on-line monitoring.
The optical cable and the electric cable are the same, the optical cable is installed and attached to the leaky cable, the strength is firm, once the leaky cable is installed, the optical path is laid, and the installation is convenient.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention.
Claims (5)
1. A leaky cable monitoring system is characterized in that: the leakage cable monitoring system is used for detecting the photoelectric composite leakage coaxial cable, the first optical cable and the second optical cable and sending a detection result of a base station to a network management center, and comprises: the system comprises a first combiner, a second combiner, a first detection module, a first radio frequency remote module and a second radio frequency remote module, wherein the first combiner is connected with one end of a photoelectric composite leakage coaxial cable, the second combiner is connected with the other end of the photoelectric composite leakage coaxial cable, the first detection module is connected with one ends of the first combiner and a first optical cable, the second detection module is connected with the other ends of the second combiner and the first optical cable, the first radio frequency remote module is connected with one end of the first combiner and one end of the second optical cable, the second radio frequency remote module is connected with the other ends of the second combiner and the second optical cable, the first detection module and the second detection module are both connected with a network management center, the first radio frequency remote module and the second radio frequency remote module are both connected with a base station, and the base station is also connected with the network management center;
the photoelectric composite leaky coaxial cable comprises an inner conductor, an insulating layer positioned outside the inner conductor, an outer conductor positioned outside the insulating layer, and a sheath positioned outside the outer conductor, wherein the sheath is provided with at least one sign line, and an optical fiber is arranged in the sign line.
2. A method of detecting a leaky cable monitoring system as claimed in claim 1, wherein there are two marker lines, and an optical fiber is provided in each marker line.
3. A method of detecting a leaky cable monitoring system as claimed in claim 1 or 2, wherein: and reinforcing ribs are also arranged in the sign lines.
4. A method of detecting a leaky cable monitoring system as claimed in claim 1 or 2, wherein: and the outer conductor is provided with a hole, and when the photoelectric composite leakage coaxial cable is laid, the hole faces the covering area.
5. A method of detecting a leaky cable monitoring system as claimed in claim 1, comprising the steps of:
the first step is as follows: two ends of the photoelectric composite leakage coaxial cable are respectively connected with the output ports of the first combiner and the second combiner;
the second step is that: the first detection module combines a detection signal and a signal sent by the first radio frequency remote module into the photoelectric composite leakage coaxial cable through a first combiner, and the second detection module combines the detection signal and a signal sent by the second radio frequency remote module into the photoelectric composite leakage coaxial cable through a second combiner;
the third step: the two ends of the optical cable are respectively connected with the first detection module and the second detection module, and the first detection module and the second detection module collect detection data and upload the detection data to a network;
the fourth step: the signal source signals of the first radio remote module and the second radio remote module are provided by base station signals through optical fibers;
the fifth step: and the control information and the basic information of the base station and the detection results of the first detection module and the second detection module are all sent to a network management center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197357.7A CN107195373B (en) | 2017-03-29 | 2017-03-29 | Photoelectric composite leaky coaxial cable, leaky cable monitoring system and detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197357.7A CN107195373B (en) | 2017-03-29 | 2017-03-29 | Photoelectric composite leaky coaxial cable, leaky cable monitoring system and detection method |
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| Publication Number | Publication Date |
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| CN107195373A CN107195373A (en) | 2017-09-22 |
| CN107195373B true CN107195373B (en) | 2022-12-23 |
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| CN201710197357.7A Active CN107195373B (en) | 2017-03-29 | 2017-03-29 | Photoelectric composite leaky coaxial cable, leaky cable monitoring system and detection method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04147105A (en) * | 1990-10-09 | 1992-05-20 | Fujikura Ltd | Composite leakage coaxial cable |
| JPH10162661A (en) * | 1996-11-28 | 1998-06-19 | Fujikura Ltd | Leakage coaxial cable |
| JP2000076941A (en) * | 1998-09-01 | 2000-03-14 | Sumitomo Electric Ind Ltd | Pipe compound leakage coaxial cable for optical unit insertion |
| CN1994800A (en) * | 2006-12-29 | 2007-07-11 | 北京交通大学 | Method and system for realizing train positioning and real-time tracking by using leakage coaxial cable |
| CN201918988U (en) * | 2010-12-14 | 2011-08-03 | 北京华通时空通信技术有限公司 | Leaky cable monitoring equipment and system thereof |
| CN103021554A (en) * | 2012-12-31 | 2013-04-03 | 中利科技集团股份有限公司 | Leaky-waveguide coaxial cable |
| CN204885386U (en) * | 2015-08-11 | 2015-12-16 | 南京泰通科技股份有限公司 | Combiner that inserts 450MHz repeater and leak cable monitoring facilities |
| CN206833967U (en) * | 2017-03-29 | 2018-01-02 | 江苏亨鑫科技有限公司 | The compound leakage coaxial cable of photoelectricity and leakage cable monitoring system |
-
2017
- 2017-03-29 CN CN201710197357.7A patent/CN107195373B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04147105A (en) * | 1990-10-09 | 1992-05-20 | Fujikura Ltd | Composite leakage coaxial cable |
| JPH10162661A (en) * | 1996-11-28 | 1998-06-19 | Fujikura Ltd | Leakage coaxial cable |
| JP2000076941A (en) * | 1998-09-01 | 2000-03-14 | Sumitomo Electric Ind Ltd | Pipe compound leakage coaxial cable for optical unit insertion |
| CN1994800A (en) * | 2006-12-29 | 2007-07-11 | 北京交通大学 | Method and system for realizing train positioning and real-time tracking by using leakage coaxial cable |
| CN201918988U (en) * | 2010-12-14 | 2011-08-03 | 北京华通时空通信技术有限公司 | Leaky cable monitoring equipment and system thereof |
| CN103021554A (en) * | 2012-12-31 | 2013-04-03 | 中利科技集团股份有限公司 | Leaky-waveguide coaxial cable |
| CN204885386U (en) * | 2015-08-11 | 2015-12-16 | 南京泰通科技股份有限公司 | Combiner that inserts 450MHz repeater and leak cable monitoring facilities |
| CN206833967U (en) * | 2017-03-29 | 2018-01-02 | 江苏亨鑫科技有限公司 | The compound leakage coaxial cable of photoelectricity and leakage cable monitoring system |
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| CN107195373A (en) | 2017-09-22 |
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