CN116482699B - Temperature type optical cable positioning identification instrument and identification method - Google Patents
Temperature type optical cable positioning identification instrument and identification method Download PDFInfo
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- CN116482699B CN116482699B CN202310423609.9A CN202310423609A CN116482699B CN 116482699 B CN116482699 B CN 116482699B CN 202310423609 A CN202310423609 A CN 202310423609A CN 116482699 B CN116482699 B CN 116482699B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 105
- 239000013307 optical fiber Substances 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000007689 inspection Methods 0.000 claims abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 18
- 229910052744 lithium Inorganic materials 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000013039 cover film Substances 0.000 claims description 8
- 238000010422 painting Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 238000000253 optical time-domain reflectometry Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a temperature type optical cable positioning and identifying instrument which comprises a distributed single-mode optical fiber temperature measuring host and a heating device, wherein the distributed single-mode optical fiber temperature measuring host is connected with an optical fiber of an optical cable to be searched, and a groove for placing the optical cable is arranged in the heating device. The invention also provides an optical cable positioning and identifying method, which comprises the steps of connecting an optical fiber at one side of a machine room with a distributed single-mode optical fiber temperature measuring host, opening a switch of a heating bag in a heating device in an inspection well for preheating, attaching the heating device on an optical cable, and after 3 seconds, checking whether the distributed single-mode optical fiber temperature measuring host has temperature change; if there is no temperature change, then another cable is tried. The invention uses the novel temperature type optical cable identification and positioning instrument which is suitable for engineering sites, not only can identify the optical cable, but also can accurately position the distance between a machine room and the sites, and is used for a novel resource census method of the routing lines. The temperature is a very stable and reliable parameter, and can effectively avoid false alarm and cut-over errors.
Description
Technical Field
The invention relates to a temperature type optical cable positioning and identifying instrument and a temperature type optical cable positioning and identifying method.
Background
Optical communication is the era of leading information transmission, and optical fiber cable lines are laid and used in large quantities, so that the protection and maintenance of the optical fiber cable lines are important in the communication industry. Currently, there are a large number of cables in engineering, with unclear signs, especially cables before 2010, from where and where the cables at each location are located, which has not been known for long years. In addition, as the lines are too many, marks are lost, the lines are rerouted and the like, great trouble is brought to maintenance personnel of the optical cable lines.
The traditional optical cable searching scheme has a large limitation, and because the optical cable is positioned between the two joints, the optical cable cannot be identified through schemes such as an optical power meter or infrared correlation, and the like, and the optical cable is specifically corresponding to the optical cable. The complex field situation of the optical cable, namely the complicated field environment, is a difficult problem that each communication engineer has to face. Conventional solutions begin at known locations one by one-workers pull all the way along a known damage location of a cable to find the fiber to be identified. This disadvantage is obvious, takes much time to find, wastes labor, and has limited operability because the binding part cannot be separated. In addition, a method of bending the optical cable is added through an OTDR test method-OTDR; and (3) adding quick freezing solution into the OTDR. The disadvantages of this method are also evident: such as OTDR plus the way the cable is bent-damage to the cable; the mode of adding quick-frozen liquid by OTDR (the operation difficulty is high, and the toxicity is potential); bend insensitive fiber optic cables (e.g., g.657) cannot be identified by both methods. In the third method, the vibration measurement of the optical cable is used for detecting which optical fiber is touched, so that the principle is the biggest problem at present, namely false alarm can be caused, wrong optical cable cutting is caused, and irrecoverable loss occurs.
Patent publication number CN113064915 a: the invention relates to an optical cable line route general investigation operation method, in particular to the field of optical cable maintenance management. The general investigation mode is complex, and more equipment is needed. Patent publication number CN 105375981B: the optical cable census system and method is characterized by comprising an optical signal generation unit, an interference light path unit, a signal receiving and processing unit, a central processing and controlling unit, an audio-visual signal output unit, a mobile network communication unit, a server data transfer unit and a mobile phone software unit. The method needs field engineering personnel to observe the detection result image on the remote optical cable census system in real time by using mobile phone software, and needs to upload the image to realize the communication between the optical cable construction site personnel and the machine room personnel.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the temperature type optical cable positioning and identifying instrument, which is innovatively adopted on the limitation of the method.
In order to achieve the above purpose, the technical scheme of the invention is to design a temperature type optical cable positioning and identifying instrument, which comprises a distributed single-mode optical fiber temperature measuring host and a heating device, wherein the distributed single-mode optical fiber temperature measuring host is connected with an optical fiber of an optical cable to be searched, and a groove for placing the optical cable is arranged in the heating device. The novel temperature type optical cable identification and positioning instrument suitable for the engineering site can not only identify the optical cable, but also accurately position the distance between a machine room and the site, and is used for a new resource census method of a route. The positioning principle is as follows: the optical fiber radar principle is adopted, namely, the light pulse is driven out, the data acquisition card starts to work at a high speed, the data acquisition speed of 2GHZ corresponds to the first round of scattered light, and the influence of the refractive index is calculated, namely, the time length of light propagation and scattering in the 5cm optical fiber is approximately equal.
The further technical scheme is that the distributed single-mode fiber temperature measuring host is arranged at a machine room, and the heating device is arranged in an inspection well.
The heating device comprises two heating bodies which are arranged in a split mode, the two heating bodies are connected through a connecting belt, and each heating body comprises a hot water bag and a lithium battery; the groove is formed by combining two depressions at the same position on two hot water bags;
the lithium battery is overlapped with the hot water bag and is far away from the concave; each hot water bag is provided with a heating switch. When the two-piece structure is used, the two pieces can be combined together for use at ordinary times, the heating is quicker, and under the condition of faults or consumption of individual batteries, the single piece can be used normally for wrapping by other gloves and the like for keeping warm, so that the need is avoided.
The further technical proposal is that the hot water bag and the connecting belt are made of PVC materials; the lithium battery is a polymer lithium battery;
the heating body comprises a rectangular groove-shaped housing which is fixedly connected with the hot water bag in a sealing way, and the lithium battery is arranged in the housing, and a heat insulation pad is arranged between the lithium battery and the hot water bag; one surface of the housing is provided with a placement groove, and a heat preservation pad is placed in the placement groove.
The other technical scheme is that the heating body is made of PVC material, two heating bags are connected to the heating body, a distance is arranged between the two heating bags, the distance is located at the middle position of each heating body, and an air bag fixedly connected to the heating body is arranged on one side, away from the distance, of the two heating bags.
The technical scheme is that the surface of the heating body is provided with a plurality of painting lines, the surface of the heating body is also provided with a cover film for covering the painting lines, and the edge of the cover film is adhered to the surface of the heating body;
the color of the lines of the brush may vary.
The invention also provides a method for carrying out optical cable positioning identification by using the temperature type optical cable positioning identification instrument, which comprises the following identification steps:
connecting an optical fiber at one side of a machine room with a distributed single-mode optical fiber temperature measuring host, opening a switch of a heating bag in a heating device in an inspection well for preheating, attaching the heating device on an optical cable, and after 3 seconds, checking whether the distributed single-mode optical fiber temperature measuring host has temperature change; if there is no temperature change, then other optical cables are replaced for trial;
secondary confirmation is performed before cutting: placing the heating device on an optical cable to be cut, observing an obvious heating process of a distributed single-mode optical fiber temperature measuring host, and after the heating device is removed, if an obvious cooling process can be seen, indicating that the optical cable is the optical cable to be cut for the second time; and the distance between the machine room and the site is accurately positioned by the optical fiber radar principle.
According to the further technical scheme, when a single heating body fails or the electric quantity of a single lithium battery is exhausted, the other heating body is started, and the glove or the heat preservation pad is matched with the heating body to wrap the optical cable so as to complete the identification of the optical cable.
According to the further technical scheme, in the process of attaching the heating device to the optical cable, the heating device can be attached to a plurality of optical cables by adopting a dichotomy, and if no temperature change exists, other optical cables can be tried again; if a temperature change occurs, the plurality of optical cables are inspected separately.
The further technical scheme is that the method for carrying out optical cable positioning identification by using the temperature type optical cable positioning identification instrument comprises the following identification steps:
connecting an optical fiber at one side of a machine room with a distributed single-mode optical fiber temperature measuring host, opening a switch of a heating bag in a heating device in an inspection well for preheating, and inflating the airbag according to the thickness of an optical cable to be wrapped until the optical cable is tightly wrapped by the heating bag at two sides of the optical cable, and after 3 seconds, checking whether the distributed single-mode optical fiber temperature measuring host has temperature change; if the temperature is not changed, tearing the cover film on one drawing line, properly deflating the air bag, enabling the drawing line to leave a colored scribing line on the detected optical cable through rotating the heating device, and then replacing other optical cables for trying;
secondary confirmation is performed before cutting: placing the heating device on an optical cable to be cut, observing an obvious heating process of a distributed single-mode optical fiber temperature measuring host, and after the heating device is removed, if an obvious cooling process can be seen, indicating that the optical cable is the optical cable to be cut for the second time; and the distance between the machine room and the site is accurately positioned by the optical fiber radar principle.
The invention has the advantages and beneficial effects that: 1. the novel temperature type optical cable identification and positioning instrument suitable for the engineering site can not only identify the optical cable, but also accurately position the distance between a machine room and the site, and is used for a new resource census method of a route.
2. The two-piece structure is used, at ordinary times, the two pieces can be combined together for use, the heating is faster, under the condition of failure or consumption of individual batteries, the single piece can be used normally after being wrapped by other gloves and the like for keeping warm, and the packaging is convenient for the user to use at intervals
3. The single-chip heating device is provided with a groove in the middle, so that different optical cables can be conveniently placed in the single-chip heating device.
4. Optical cable capable of quickly searching for accuracy by adopting dichotomy
5. The heating adopts water as a medium, so that the specific heat capacity is large, and the heating speed is high.
6. The lithium battery is a rechargeable lithium battery, is convenient to charge, is non-disposable, and can be used continuously.
Drawings
FIG. 1 is a schematic diagram of the working principle of a first embodiment of a temperature type optical cable positioning identifier of the present invention;
FIG. 2 is a schematic view of the heating device of FIG. 1 in an expanded state when not in operation;
FIG. 3 is a schematic view of the operating state of FIG. 2;
fig. 4 is a schematic view showing an unfolded state of the heating device in the second embodiment of the present invention when not in operation.
In the figure: 1. a distributed single-mode fiber temperature measuring host; 2. an optical cable; 3. a hot water bag; 4. a groove; 5. a lithium battery; 6. a heating body; 7. heating the bag; 8. an air bag; 9. drawing a line; 10. and (5) covering the film.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Embodiment one:
as shown in fig. 1 to 3, the invention relates to a temperature type optical cable positioning and identifying instrument, wherein a person on one side of a machine room connects an optical fiber which focuses attention with a distributed single-mode optical fiber temperature measuring host 1, and at the inspection well end, another person prepares to perform cutting construction in the inspection well, and the person carries a heating device to enter the environment where an optical cable 2 is positioned. The type and the type of the optical cable are primarily judged, the heating belt switch is turned on to preheat, the heating device is attached to the optical cable, the result can be obtained after 3 seconds, and whether the temperature change exists at the equipment end or not. If there is no temperature change, then another fiber optic cable may be tried again. The method can also be used for carrying out mixed inspection on a plurality of optical cables by a dichotomy, and if temperature change occurs, the optical cables can be quickly found out by carrying out separate inspection.
Before cutting, the accurate optical cable is found, secondary confirmation is carried out, a heating device (the heating device is made of PVC material and consists of two PVC hot water bags 3 with certain thickness, the middle of each heating device is connected, a groove 4 is reserved in the middle of each heating device, one optical cable can be completely wrapped, each heating device consists of two layers, the outer layer is made of a polymer lithium battery 5, the inner side is a heating bag 3, each heating water bag is provided with an independent switch, when the heating device is used, the optical cable is wrapped in an inner groove of the heating bag, the switch is opened, the heating is carried out at least at a high temperature of 60 degrees), the optical cable which needs cutting is placed on the optical cable, the obvious temperature rising process of the equipment end is observed, and the obvious temperature reducing process can be seen after the heating device is removed, so that the secondary confirmation is indicated that the optical cable needs cutting. The temperature is a very stable and reliable parameter, different from vibration, various optical cables are mutually influenced, even if the optical cables are confirmed twice and three times, the possibility of false alarm still exists, the cutting-over error is caused, and finally irrecoverable loss is caused.
After the use is finished, the power supply is turned off for the next use. The whole tool is convenient to carry, has high temperature rising speed and does not influence the construction time. By adopting the dichotomy, the accurate optical cable can be quickly found.
In addition, through the equipment, the cutting position and the site position can be accurately positioned and are in one-to-one correspondence. As a very important method for dumb resource screening.
The invention connects the optical fiber at one end of the optical cable, places the optical fiber on the optical cable through the heating device, heats the optical cable slightly, and accurately determines whether the optical cable is positioned by heating the position point. And after the hot spot is removed, whether the hot spot is accurately withdrawn or not. Through heating and natural cooling, the two actions are jointly judged, and whether the optical cable is connected with the temperature type optical cable positioning identifier or not is judged.
Embodiment two:
the difference with the first embodiment is that, as shown in fig. 4, the heating body 6 is made of PVC material, two heating bags 7 are connected to the heating body, a space is provided between the two heating bags, the space is located at the middle position of each heating body, and an air bag 8 fixedly connected to the heating body is provided at one side of the two heating bags away from the space. The surface of the heating body is provided with a plurality of painting lines 9, the surface of the heating body is also provided with a cover film 10 for covering the painting lines, and the edge of the cover film is adhered to the surface of the heating body; the color of the lines of the brush may vary.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (3)
1. The method for carrying out optical cable positioning identification by using a temperature type optical cable positioning identification instrument comprises a distributed single-mode optical fiber temperature measuring host and a heating device, wherein the distributed single-mode optical fiber temperature measuring host is connected with an optical fiber of an optical cable to be searched, and a groove for placing the optical cable is arranged in the heating device;
the distributed single-mode fiber temperature measuring host is arranged at the machine room, and the heating device is arranged in the inspection well;
the heating device comprises two heating bodies which are arranged in a split mode, the two heating bodies are connected through a connecting belt, and each heating body comprises a hot water bag and a lithium battery; the groove is formed by combining two depressions at the same position on two hot water bags;
the lithium battery is overlapped with the hot water bag and is far away from the concave; each hot water bag is provided with a heating switch;
the hot water bag and the connecting belt are made of PVC materials; the lithium battery is a polymer lithium battery;
the heating body comprises a rectangular groove-shaped housing which is fixedly connected with the hot water bag in a sealing way, the lithium battery is arranged in the housing, and a heat insulation pad is arranged between the lithium battery and the hot water bag; one surface of the housing is provided with a placement groove, and a heat preservation pad is placed in the placement groove;
the heating body is made of PVC material, two heating bags are connected to the heating body, a space is arranged between the two heating bags, the space is positioned in the middle of each heating body, and an air bag fixedly connected to the heating body is arranged on one side of the two heating bags away from the space; the surface of the heating body is provided with a plurality of painting lines, the surface of the heating body is also provided with a cover film for covering the painting lines, and the edge of the cover film is adhered to the surface of the heating body;
the colors of the painting lines are different from each other, and the method is characterized by comprising the following identification steps:
connecting an optical fiber at one side of a machine room with a distributed single-mode optical fiber temperature measuring host, opening a switch of a heating bag in a heating device in an inspection well for preheating, and inflating the airbag according to the thickness of an optical cable to be wrapped until the optical cable is tightly wrapped by the heating bag at two sides of the optical cable, and after 3 seconds, checking whether the distributed single-mode optical fiber temperature measuring host has temperature change; if the temperature is not changed, tearing the cover film on one drawing line, properly deflating the air bag, enabling the drawing line to leave a colored scribing line on the detected optical cable through rotating the heating device, and then replacing other optical cables for trying;
secondary confirmation is performed before cutting: placing the heating device on an optical cable to be cut, observing an obvious heating process of a distributed single-mode optical fiber temperature measuring host, and after the heating device is removed, if an obvious cooling process can be seen, indicating that the optical cable is the optical cable to be cut for the second time; and the distance between the machine room and the site is accurately positioned by the optical fiber radar principle.
2. The method according to claim 1, wherein when a single heater fails or the power of a single lithium battery is exhausted, another heater is started, and the optical cable is wrapped with a glove or a thermal pad in cooperation with the heater to complete the identification of the optical cable.
3. A method according to claim 2, wherein the heating means is attached to the plurality of cables by a dichotomy, and if there is no temperature change, then the other plurality of cables can be tried again; if a temperature change occurs, the plurality of optical cables are inspected separately.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023102355002 | 2023-03-13 | ||
| CN202310235500 | 2023-03-13 |
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| Publication Number | Publication Date |
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| CN116482699A CN116482699A (en) | 2023-07-25 |
| CN116482699B true CN116482699B (en) | 2024-01-23 |
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| JP2022158520A (en) * | 2021-04-02 | 2022-10-17 | 富士通株式会社 | Position identification system, position identification method, and position identification program |
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2023
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| JP2008020766A (en) * | 2006-07-14 | 2008-01-31 | Furukawa Electric Co Ltd:The | Optical waveguide, optical waveguide module and method of manufacturing optical waveguide |
| CN203647811U (en) * | 2013-12-31 | 2014-06-18 | 山东省千佛山医院 | Transfusion heating bag with temperature display |
| CN103868673A (en) * | 2014-03-14 | 2014-06-18 | 南开大学 | Optical fiber Raman scattering effect-based optical cable identification and positioning method and equipment |
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| JP2022158520A (en) * | 2021-04-02 | 2022-10-17 | 富士通株式会社 | Position identification system, position identification method, and position identification program |
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| CN116482699A (en) | 2023-07-25 |
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