CN115412163A - System and method for detecting and positioning breakpoints of field optical cables - Google Patents
System and method for detecting and positioning breakpoints of field optical cables Download PDFInfo
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- CN115412163A CN115412163A CN202211154809.0A CN202211154809A CN115412163A CN 115412163 A CN115412163 A CN 115412163A CN 202211154809 A CN202211154809 A CN 202211154809A CN 115412163 A CN115412163 A CN 115412163A
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- optical cable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
Abstract
The invention discloses a system and a method for detecting and positioning breakpoints of a field optical cable, which are used for detecting the breakpoint fault of the field optical cable, wherein the field optical cable is provided with two metal conductive wires which are parallel to an internal optical fiber; the system comprises: the device comprises a pulse generator, a first leading-out head, a second leading-out head and a potential converter, wherein the potential converter is used for acquiring current reflected waves returned by a field operation optical cable; the high-speed acquisition unit is used for acquiring current reflected wave signals; and the main control chip is used for controlling the output of the pulse generator, receiving the current reflected wave signal acquired by the high-speed acquisition unit and identifying the breakpoint position according to the wave crest of the current reflected wave signal. The method for compounding the metal conductive wires with the field optical cable is combined with the main control chip, the potential converter, the pulse generator, the high-speed acquisition unit and the like to form the detection device, so that the fault detection and the positioning of the breakpoints of the field optical cable are realized, meanwhile, the detection can be carried out on any connector, and the method is simple, low in cost and convenient to detect.
Description
Technical Field
The invention relates to the field of optical fiber communication, in particular to a system and a method for detecting and positioning breakpoints of field operation optical cables.
Background
The field optical cable is a military field communication optical cable, is temporarily arranged in a required geographic environment, completes the connection of optical fiber communication in wartime, adopts a segmented physical connector for flexible connection, and is also directly connected with the physical connector in segments for replacing the optical cable under the fault condition. The existing field operation optical cable can only rely on an optical device to carry out fault judgment and positioning, and the cost of an optical detection instrument is high.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a field operation optical cable breakpoint detection positioning system, which can reduce the cost of field operation optical cable breakpoint detection; the invention also provides a field operation optical cable breakpoint detection positioning method.
According to the field optical cable breakpoint detection positioning system provided by the embodiment of the first aspect of the invention, the breakpoint fault of the field optical cable is detected, and the field optical cable is provided with two metal conductive wires parallel to an internal optical fiber; the field operation optical cable breakpoint detection positioning system comprises: a pulse generator for outputting a high-speed pulse current; one end of the first leading-out head is used for being connected with one of the metal conductive wires of the field operation optical cable, and the other end of the first leading-out head is connected with the output end of the pulse generator; one end of the second leading-out head is used for being connected with the other metal conductive wire of the field operation optical cable; the two ends of the potential converter are respectively connected with the other ends of the first leading-out head and the second leading-out head and are used for acquiring current reflected waves returned by the field operation optical cable; the high-speed acquisition unit is connected with the output end of the potential converter to acquire a current reflected wave signal; and the main control chip is respectively connected with the pulse generator and the high-speed acquisition unit and is used for controlling the output of the pulse generator, receiving the current reflected wave signals acquired by the high-speed acquisition unit and identifying the position of a breakpoint according to the wave crest of the current reflected wave signals.
The field optical cable breakpoint detection positioning system according to the first embodiment of the invention has at least the following beneficial effects: the method for combining the field optical cable and the metal conductive wire is combined with the main control chip, the potential converter, the pulse generator, the high-speed acquisition unit and the like to form the detection device, so that fault detection and positioning of breakpoints of the field optical cable are realized, detection can be performed on any connector, and the method is simple, low in cost and convenient to detect.
According to some embodiments of the first aspect of the present invention, the field optical cable further comprises a sheath and an aramid filament, the inner optical fiber and the two metal conductive filaments are both located in the sheath, and the aramid filament is filled between the sheath and the inner optical fiber and the two metal conductive filaments.
According to some embodiments of the first aspect of the present invention, the metallic conductive wire is a copper wire.
According to some embodiments of the first aspect of the present invention, a plurality of optical cable connectors are disposed on the field optical cable, and the connection positions of the first and second connectors and the metal conductive wires are located at the optical cable connectors.
According to some embodiments of the first aspect of the present invention, the cable connector includes a male plug provided with a male wire connector and a fiber optic connector and a female plug provided with a female wire connector insertion hole and a fiber optic connector insertion hole.
According to some embodiments of the first aspect of the present invention, a connection end of the potential converter and the second tap is provided with a grounding unit.
According to some embodiments of the first aspect of the present invention, the high speed acquisition unit employs an AD high speed sampling unit.
The field optical cable breakpoint detection positioning method according to the embodiment of the second aspect of the invention is applied to the field optical cable breakpoint detection positioning system, and comprises the following steps:
the main control chip drives the pulse generator to output high-speed pulse current to the metal conductive wires of the field operation optical cable connected with the first leading-out head and the second leading-out head;
a potential converter acquires a current reflected wave returned by the field optical cable;
the high-speed acquisition unit acquires current reflected wave signals from the potential converter and feeds the current reflected wave signals back to the main control chip;
the main control chip identifies the breakpoint distance according to the wave crest time sequence of the current reflected wave signal, and then calculates the breakpoint position.
The field optical cable breakpoint detection and positioning method according to the second embodiment of the invention has at least the following beneficial effects: the method for combining the field optical cable and the metal conductive wire is combined with the main control chip, the potential converter, the pulse generator, the high-speed acquisition unit and the like to form the detection device, so that fault detection and positioning of breakpoints of the field optical cable are realized, detection can be performed on any connector, and the method is simple, low in cost and convenient to detect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a field operations optical cable breakpoint detection positioning system according to an embodiment of the first aspect of the present invention;
FIG. 2 is an exploded view of two ends of a field operations cable according to an embodiment of the first aspect of the present invention;
FIG. 3 is a schematic diagram illustrating a male-female field optical cable connector according to a first aspect of the present invention;
FIG. 4 is a schematic cross-sectional view of a field operations cable according to an embodiment of the first aspect of the present invention;
fig. 5 is a flowchart of a field optical cable breakpoint detection and positioning method according to a second aspect of the present invention.
Reference numerals:
a field optical cable 10, an internal optical fiber 11, a metal conductive wire 12, a sheath 13, an aramid fiber wire 14, an optical cable connector 15, a male plug 151, a female plug 152, a metal wire connector 1511, an optical fiber connector 1512, a metal wire connector insertion hole 1531, an optical fiber connector insertion hole 1522, a fiber-optic connector insertion hole,
The pulse generator 100, the first leading-out head 200, the second leading-out head 300, the potential converter 400, the high-speed acquisition unit 500, the main control chip 600 and the grounding unit 700.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1, a field optical cable breakpoint detection positioning system according to an embodiment of the first aspect of the present invention is used for detecting a breakpoint fault of a field optical cable 10, where the field optical cable 10 is provided with two conductive metal wires 12 parallel to an internal optical fiber 11, and the conductive metal wires 12 are laid along with the internal optical fiber 11, so as to facilitate breakpoint identification of the optical cable using a low-cost electrical signal detection device.
Specifically, in fig. 1, the system for detecting and positioning breakpoints of field optical cables includes: the pulse generator 100, the first leading-out head 200, the second leading-out head 300, the potential converter 400, the high-speed acquisition unit 500 and the main control chip 600; the pulse generator 100 is configured to output a high-speed pulse current under the control of the main control chip 600; one end of the first leading-out head 200 is used for connecting one of the metal conductive wires 12 of the field operation optical cable 10, and the other end is connected with the output end of the pulse generator 100; one end of the second outlet 300 is used for connecting another metal conductive wire 12 of the field operation optical cable 10; two ends of the potential converter 400 are respectively connected to the other ends of the first outlet 200 and the second outlet 300, and are used for acquiring current reflected waves returned by the field optical cable 10; the high-speed acquisition unit 500 is connected with the output end of the potential converter 400 to acquire a current reflected wave signal; the main control chip 600 is connected to the pulse generator 100 and the high-speed acquisition unit 500, and is configured to control output of the pulse generator 100, receive the current reflected wave signal acquired by the high-speed acquisition unit 500, and identify a breakpoint position according to a peak of the current reflected wave signal.
It can be seen that the method for combining the metal conductive wires with the field optical cable in the scheme combines the main control chip 600, the potential converter 400, the pulse generator 100, the high-speed acquisition unit 500 and the like to form the detection device, so that the fault detection and the positioning of the breakpoint of the field optical cable are realized, meanwhile, the detection can be carried out on any optical cable connector 15, and compared with a traditional Optical Time Domain Reflectometer (OTDR) for detecting optical signals, the method has the advantages of simple structure, low cost, convenience in detection and the like.
As shown in fig. 4, in some embodiments of the first aspect of the present invention, the field optical cable 10 further includes a sheath 13 and an aramid fiber 14, the inner optical fiber 11 and the two parallel metal conductive wires 12 are both located in the sheath 13, the aramid fiber 14 is filled between the sheath 13 and the inner optical fiber 11 and the two metal conductive wires 12, the sheath 13 plays a role in installation and protection of the inner cable, and the aramid fiber 14 plays a role in buffering and protection between the sheath 13 and the inner optical fiber 11 and the two metal conductive wires 12.
Further, in some embodiments of the first aspect of the present invention, the conductive metal wire 12 is a copper wire, and the copper wire has advantages of superior conductivity and lower cost, and of course, other conductive metal wires are also suitable for the present technical solution.
As a further improvement of this solution, in some embodiments of the first aspect of the present invention, as shown in fig. 2, a plurality of optical cable connectors 15 are provided on the field optical cable 10, and the connection positions of the first outlet 200 and the second outlet 300 with the metal conductive wires 12 are located at the optical cable connectors 15, compared with the case where the metal conductive wires 12 are connected after the sheath 13 and the aramid filaments 14 are directly peeled off from the outside of the optical cable, it is more convenient to directly connect the metal conductive wires 12 inside with the detachable optical cable connectors 15 in this embodiment, and the optical cable connectors 15 themselves are multiple fault points, so that faults are more easily identified.
As shown in fig. 3, in some embodiments of the first aspect of the present invention, the optical cable connector 15 includes a male plug 151 and a female plug 152, the male plug 151 is provided with a protruding wire connector 1511 and an optical fiber connector 1512, the female plug 152 is provided with a recessed wire connector insertion hole 1531 and an optical fiber connector insertion hole 1522, the male plug 151 and the female plug 152 can be quickly connected by plugging the wire connector 1511 and the wire connector insertion hole 153 and plugging the optical fiber connector 1512 and the optical fiber connector insertion hole 1522, and the wire connector 1511 and the wire connector insertion hole 1531 can also serve as a connection point of the first terminal 200 and the second terminal 300.
In addition, in some embodiments of the first aspect of the present invention, the connection end of the potential converter 400 and the second terminal 300 is provided with the grounding unit 700, and the grounding unit 700 can effectively guarantee the electrical safety.
Specifically, in some embodiments of the first aspect of the present invention, the high-speed acquisition unit 500 employs an AD high-speed sampling unit, which can quickly convert the current reflected wave analog signal acquired by the voltage level converter 400 into a digital signal and feed the digital signal back to the main control chip 600.
As shown in fig. 5, a field optical cable breakpoint detection and positioning method according to a second aspect of the present invention is applied to the field optical cable breakpoint detection and positioning system according to the above embodiment, and includes the following steps:
the main control chip 600 drives the pulse generator 100 to output high-speed pulse current to the metal conductive wire 12 of the field operation optical cable 10 connected with the first leading-out head 200 and the second leading-out head 300;
the potential converter 400 acquires a current reflected wave returned by the field operation optical cable 10;
the high-speed acquisition unit 500 acquires a current reflected wave signal from the potential converter 400 and feeds the current reflected wave signal back to the main control chip 600;
the main control chip 600 identifies the breakpoint distance according to the peak timing of the current reflected wave signal, and then calculates the breakpoint position.
In conclusion, the method for combining the field optical cable with the metal conductive wires is utilized, the main control chip 600, the potential converter 400, the pulse generator 100, the high-speed acquisition unit 500 and the like are combined to form the detection device, the fault detection and the positioning of the break point of the field optical cable are realized, meanwhile, the detection can be carried out on any connector, and the method is simple, low in cost and convenient to detect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 invention. In this specification, the schematic representations of the terms used above 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a field operations optical cable breakpoint detection positioning system for detect the breakpoint fault of field operations optical cable (10), its characterized in that:
the field operation optical cable (10) is provided with two metal conductive wires (12) which are parallel to the internal optical fiber (11);
the field operation optical cable breakpoint detection positioning system comprises:
a pulse generator (100) for outputting a high-speed pulse current;
a first leading-out head (200), one end of which is used for connecting one of the metal conductive wires (12) of the field optical cable (10), and the other end of which is connected with the output end of the pulse generator (100);
a second leading-out head (300), one end of which is used for connecting another metal conductive wire (12) of the field optical cable (10);
the two ends of the potential converter (400) are respectively connected with the other ends of the first leading-out head (200) and the second leading-out head (300) and are used for acquiring current reflected waves returned by the field optical cable (10);
the high-speed acquisition unit (500) is connected with the output end of the potential converter (400) to acquire a current reflected wave signal;
and the main control chip (600) is respectively connected with the pulse generator (100) and the high-speed acquisition unit (500) and is used for controlling the output of the pulse generator (100), receiving the current reflected wave signal acquired by the high-speed acquisition unit (500) and identifying the breakpoint position according to the wave crest of the current reflected wave signal.
2. The field optical cable breakpoint detection positioning system according to claim 1, wherein: the field operation optical cable (10) further comprises a sheath (13) and aramid fibers (14), the internal optical fibers (11) and the two parallel metal conductive wires (12) are located in the sheath (13), and the aramid fibers (14) are filled between the sheath (13) and the internal optical fibers (11) and between the two metal conductive wires (12).
3. A field optical cable breakpoint detection positioning system according to claim 1 or 2, characterized in that: the metal conductive wires (12) are copper wires.
4. The system of claim 1, wherein the system comprises: the field operation optical cable is characterized in that a plurality of optical cable connectors (15) are arranged on the field operation optical cable (10), and the first leading-out head (200) and the second leading-out head (300) are connected with the metal conductive wires (12) at positions located on the optical cable connectors (15).
5. The field optical cable breakpoint detection positioning system according to claim 4, wherein: optical cable connector (15) are including public inserting (151) and female inserting (152), public inserting (151) is provided with convex wire connector (1511) and fiber connector (1512), female inserting (152) are provided with the wire connector patchhole (1531) and the fiber connector patchhole (1522) of indent.
6. The field optical cable breakpoint detection positioning system according to claim 1, wherein: and a grounding unit (700) is arranged at the connecting end of the potential converter (400) and the second leading-out head (300).
7. The field optical cable breakpoint detection positioning system according to claim 1, wherein: the high-speed acquisition unit (500) adopts an AD high-speed sampling unit.
8. A field operation optical cable breakpoint detection positioning method is characterized in that: the field optical cable breakpoint detection and positioning system applied to any one of claims 1 to 7 comprises the following steps
The main control chip (600) drives the pulse generator (100) to output high-speed pulse current to the metal conductive wire (12) of the field operation optical cable (10) connected with the first leading-out head (200) and the second leading-out head (300);
a potential converter (400) acquires a current reflected wave returned by the field operation optical cable (10);
the high-speed acquisition unit (500) acquires a current reflected wave signal from the potential converter (400) and feeds the current reflected wave signal back to the main control chip (600);
the main control chip (600) identifies the breakpoint distance according to the peak timing sequence of the current reflected wave signal, and then calculates the breakpoint position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154809.0A CN115412163A (en) | 2022-09-21 | 2022-09-21 | System and method for detecting and positioning breakpoints of field optical cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211154809.0A CN115412163A (en) | 2022-09-21 | 2022-09-21 | System and method for detecting and positioning breakpoints of field optical cables |
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| Publication Number | Publication Date |
|---|---|
| CN115412163A true CN115412163A (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211154809.0A Pending CN115412163A (en) | 2022-09-21 | 2022-09-21 | System and method for detecting and positioning breakpoints of field optical cables |
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| CN (1) | CN115412163A (en) |
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- 2022-09-21 CN CN202211154809.0A patent/CN115412163A/en active Pending
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