CN102175346A - Method and device for heating aerial optical cable, and method for locating optical cable - Google Patents
Method and device for heating aerial optical cable, and method for locating optical cable Download PDFInfo
- Publication number
- CN102175346A CN102175346A CN 201010622418 CN201010622418A CN102175346A CN 102175346 A CN102175346 A CN 102175346A CN 201010622418 CN201010622418 CN 201010622418 CN 201010622418 A CN201010622418 A CN 201010622418A CN 102175346 A CN102175346 A CN 102175346A
- Authority
- CN
- China
- Prior art keywords
- optical cable
- heated seats
- heating
- unsettled
- heated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 228
- 238000010438 heat treatment Methods 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000000835 fiber Substances 0.000 claims description 27
- 239000013307 optical fiber Substances 0.000 abstract description 8
- 238000009529 body temperature measurement Methods 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 description 11
- 229920000742 Cotton Polymers 0.000 description 5
- 238000001069 Raman spectroscopy Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Abstract
The invention relates to a device for heating an aerial optical cable. The device comprises a heating base, a power supply and a support rod, wherein the heating base is used for holding the aerial optical cable, the power supply is connected with the heating base or a heating sheet arranged on an upper surface of the heating base, and the support rod is connected with the heating base and used for supporting the same. The invention also provides a method for heating the aerial optical cable according to the device for heating the aerial optical cable, and a method for locating the aerial optical cable in a distributed optical fiber temperature measurement system. The device and the methods provided by the invention have the advantages of simple and convenient operations, high accuracy and the like.
Description
Technical field
The present invention relates to a kind of apparatus and method that heat optical cable, especially a kind of method that heats device, the method for unsettled optical cable and adopt the unsettled optical cable in the said apparatus positioning distributed fibre-optical temp measuring system, the debugging that is mainly used in the optical fiber temperature-measurement quasi-instrument is located.
Background technology
When adopting the distributed optical fiber temperature measurement instrument that tunnel, bridge, buildings etc. are carried out fire alarm, after optical cable is drawn from main frame, lay, be suspended on from a distance, regional top to be monitored along the top in zone to be monitored.After the installation of distributed optical fiber temperature measurement instrument, often need the optical cable that lays is carried out the heating of uniform temperature, certain position, so that it is the focus of thermometric curve is corresponding one by one with particular geographic location, promptly carry out location map, and then the calibrating distributed optic fiber thermometer temperature precision corresponding with the position.
The spatial resolution of temperature-measuring system of distributed fibers is the minimum of the accurately temperature-sensitive fiber lengths that is heated; When to optical fiber heating when carrying out location map, the length of heating optical fiber need satisfy the minimum length that can sense temperature changes.
At engineering site, generally be to adopt heat gun that unsettled optical cable is purged back and forth to realize the heating to unsettled optical cable.This method can realize the heating to optical cable uniform temperature, certain position, but also has following problem:
1, troublesome poeration
Because heat gun can only be realized the point type heating, if will realize the heating of optical cable certain-length, needs heat gun that unsettled optical cable is purged back and forth, and is more time-consuming, and heats inhomogeneous;
If optical cable is when overhead higher, manually hand-held heat gun can not have been realized the heating to optical cable, and at this moment, engineering staff's hand-held heat gun of need climbing again heats optical cable, increased the engineering difficulty like this, and danger coefficient increases;
Simultaneously, this mode relatively is fit to the less relatively occasion of optical cable layout, and for occasions such as vcehicular tunnels, the middle plurality of sections of can placing is reserved the section optical cable, location map one by one to all optical cables will expend a large amount of time, and there is the difficult problem of power supply in heat gun in the open air;
2, precision is not high
Because heat gun is to realize heating by the mode that optical cable is purged back and forth, can cause to optical cable add thermally labile and inhomogeneous, make optical cable partly be heated too much, it is very few partly to be heated; And temperature-measuring system of distributed fibers is based on the average effect of heated portion to the measurement of optical cable heating temperature; When adopting heat gun that optical cable is heated, can't determine, thereby make the monitoring of temperature inaccurately, and then make the corresponding relation in temperature and geographic position have certain deviation the heated portion cable length.
Summary of the invention
In order to solve above-mentioned deficiency of the prior art, the invention provides a kind of apparatus and method that unsettled optical cable is heated, a difficult problem that in the debugging position fixing process of solution optical fiber temperature-measurement quasi-instrument optical cable (optical fiber) is heated.
For achieving the above object, the present invention adopts following technical scheme:
A kind of device that heats unsettled optical cable comprises:
Heated seats, described heated seats is used to hold up unsettled optical cable;
Power supply, described power supply and described heated seats or the heating plate that is arranged on the heated seats upper surface link to each other;
Pole, described pole links to each other with heated seats, is used to prop heated seats.
According to the device of the unsettled optical cable of described heating, further, on the described heated seats groove is set, unsettled optical cable contacts with the bottom of heated seats upper groove.
According to the device of the unsettled optical cable of described heating, preferred, the length of described heated seats and/or heating plate, be not less than the temperature-measuring system of distributed fibers of using described unsettled optical cable spatial resolution 50%.
According to the device of the unsettled optical cable of described heating, preferred, the length of described pole can regulate or select as required.
According to the device of the unsettled optical cable of described heating, preferred, described pole is passed heated seats, is used for stablizing the skyborne position of heated seats.
According to the device of the unsettled optical cable of described heating, preferred, described heated seats also comprises the adjuster bar that is arranged on the heated seats, is used for stablizing the skyborne position of heated seats.
According to the device of the unsettled optical cable of described heating, preferred, described adjuster bar length can regulate or select as required.
According to the device of the unsettled optical cable of described heating, further, described device also comprises thermal detector and Temperature Feedback controller, and described thermal detector is arranged on the heated seats, and described Temperature Feedback controller links to each other with power supply with thermal detector respectively.
The present invention also provides a kind of device according to the unsettled optical cable of above-mentioned heating to heat the method for unsettled optical cable, may further comprise the steps:
The length that is used to prop the pole of heated seats according to the flying height adjustment of optical cable;
Power supply is to heated seats or be arranged on the heating plate heating of heated seats upper surface;
Prop heated seats with the picking-up optical cable with pole, and then optical cable is heated.
According to the method for the unsettled optical cable of described heating, further, regulate described pole/adjuster bar, to stablize the skyborne position of heated seats.
According to the method for the unsettled optical cable of described heating, further, measure temperature and the output of FEEDBACK CONTROL power supply in real time on the heated seats, and then control is to the heating of heated seats or heating plate.
The present invention also provides a kind of method according to the unsettled optical cable in the method positioning distributed fibre-optical temp measuring system of the unsettled optical cable of described heating, may further comprise the steps:
Heat unsettled optical cable;
Temperature-measuring system of distributed fibers records the temperature of heated unsettled optical cable, and the focus that the temperature of described unsettled optical cable is reflected on the thermometric curve is corresponding one by one with particular geographic location, realizes the location to optical cable.
According to the method for the unsettled optical cable in the described positioning distributed fibre-optical temp measuring system, further, regulate described pole/adjuster bar, to stablize the skyborne position of heated seats.
According to the method for the unsettled optical cable in the described positioning distributed fibre-optical temp measuring system, further, measure temperature and the output of FEEDBACK CONTROL power supply in real time on the heated seats, and then control is to the heating of heated seats or heating plate.
The present invention compared with prior art has following beneficial effect:
1, easy and simple to handle
At engineering site,, select the pole of different length according to the height on unsettled optical cable and ground, with heated seats and strut fixation, and adopting power supply that heated seats/heating plate is heated, the engineering staff hand pole, heats with the unsettled optical cable of heated seats picking-up and to optical cable; When optical cable is overhead higher, a plurality of poles are connect or the length of telescopic strut is transferred long, can realize heating to optical cable, operating process is simple, easily realizes, and does not have danger;
2, precision height
The heating plate that adopts heated seats and/or be arranged on the heated seats heats optical cable, the temperature of heated seats/heating plate is more even, heating to optical cable is also relatively more even, as long as heated seats and/or heating plate can be experienced variation of temperature to the heated length of optical cable, temperature-measuring system of distributed fibers can be realized the accurate thermometric to the optical cable that is heated, and then realizes corresponding one by one to be heated optical cable and geographic position.
Description of drawings
Fig. 1 is the apparatus structure synoptic diagram of the unsettled optical cable of heating among the embodiment 1;
Fig. 2 is the apparatus structure synoptic diagram of the unsettled optical cable of heating among the embodiment 2;
Fig. 3 is the figure of the xsect of heated seats among the embodiment 2;
Fig. 4 is the device of the unsettled optical cable of heating among the embodiment 3.
Embodiment
See also Fig. 1, a kind of device that heats unsettled optical cable comprises heated seats 11, power supply 2 and pole 31;
Wherein, heated seats 11 links to each other with power supply 2, and heated seats 11 can be by nickel, chromium, and thermo electric material such as iron and alloy thereof are made, and the present embodiment heated seats is to be made by nickel-chrome; Power supply 2 is an electric battery, to heated seats 11 heating of directly switching on;
The hand-held pole 31 of operating personnel holds up heated seats 11, and then holds up unsettled optical cable;
Can select the length of the pole or the adjustment pole of different length according to demand;
Described pole 31 can comprise a plurality of sub-poles, be connected by joint between each sub-pole, dismounting so easily and transportation, simultaneously, the length of pole can be regulated by splicing sub-pole, its concrete length and practice of construction are on-the-spot relevant: if working-yard optical cable suspension height is not high, then can realize heating to optical cable by the pole of manually handing handle shape length; If the suspension height of working-yard optical cable is higher, the workmen can select the length of the sub-pole combination of respective length and quantity with adjusting pole, and then realizes the heating of 11 pairs of optical cables of heated seats; The general optical cable suspension height in working-yard has 0～15 meter;
Pole also can be draw-tube, according to working-yard optical cable suspension height, adjusts the length of pole;
In the present embodiment, pole 31 comprises a plurality of sub-poles, and the length of each sub-pole does not wait between 0.2～1.5m, so that workmen's selection;
On the heated seats 11 groove is set, slot opening is shaped as V-type or U type, and slot opening upwards; Heated seats 11 is with after optical cable contacts, unsettled optical cable contacts with the bottom of heated seats upper groove, optical cable can be fitted well with heated seats 11, make optical cable and heated seats 11 contacted areas obtain increasing, the radiation of optical cable side also obtains increasing, therefore improved the uniformity coefficient to the optical cable heating, the efficiency of heating surface is also higher relatively;
In the present embodiment, the groove of heated seats 11 is the V-type groove; In order to reduce the influence of air flow to heat on the heated seats, low etc. as heating weak effect and heat utilization ratio, the angle of V-type groove is not too big, and is also too not little simultaneously, so that optical cable can not be attached to the bottom of V-type groove better; Can also attach heat-preservation cotton on the surface of heated seats V-type groove,, further improve heat utilization ratio so that the groove that optical cable can the insulation cotton holds;
In the present embodiment, the angle of heated seats V-type groove is 30;
Because power supply 2 is directly to heated seats 11 energising heating, then the own length of the actual heated length of 11 pairs of optical cables of heated seats and heated seats 11 is identical;
The spatial resolution of temperature-measuring system of distributed fibers is the minimum of the accurately temperature-sensitive fiber lengths that is heated; When temperature-measuring system of distributed fibers is based on fiber raman scattering or Brillouin scattering principle, the length of the optical cable by heated seats 11 heating is not less than 50% of spatial resolution, optical cable promptly can response temperature variation, and then reach purpose to temperature monitoring, then the length of the heated seats 11 that optical cable is heated also will be at least 50% of spatial resolution;
In the present embodiment, temperature-measuring system of distributed fibers is based on the fiber raman scattering principle, if the spatial resolution of system is 1m, in order to realize that the effective temperature of unsettled optical cable is measured, the length of selected heated seats 11 is 0.5m.
Adopt the method for present embodiment that optical cable is heated, by choosing the heated seats of appropriate length, make the variation that the length of the optical cable that is heated seat heating can response temperature, realized heating to the static state of optical cable, the trouble that has purged back and forth when having avoided the manually-operated heat gun that optical cable is heated, it is more convenient to make the heating of unsettled optical cable.
Present embodiment also provides a kind of method that heats unsettled optical cable, is used for the unsettled optical cable on the buildings that is laid in is heated, and may further comprise the steps:
A, provide present embodiment the described device that unsettled optical cable is heated;
B, because fiber cable laying on buildings, is selected the sub-pole of 0.2m and its top is screwed in forms pole 31 on the heated seats 11, when making the hand-held pole 31 of operating personnel hold up heated seats 11, heated seats 11 can hold up the unsettled optical cable on the buildings;
C, energized 2 are to heated seats 11 heating that are provided with the V-type groove;
D, prop the heated seats 11 that links to each other with its top with pole 31 to hold up unsettled optical cable, unsettled optical cable is stuck in the bottom of V-type groove, and 11 pairs of unsettled optical cables of heated seats heat.
Present embodiment also provides the method for the unsettled optical cable in a kind of positioning distributed fibre-optical temp measuring system, may further comprise the steps:
The method of a1, the unsettled optical cable of the employing described heating of present embodiment heats the unsettled optical cable in the temperature-measuring system of distributed fibers;
A2, temperature-measuring system of distributed fibers record the temperature of heated unsettled optical cable, and the focus that the temperature of described unsettled optical cable is reflected on the thermometric curve is corresponding one by one with particular geographic location, realize the location to unsettled optical cable.
Adopt this method to locate unsettled optical cable, can be easily to the optical cable heating, and find position on the thermometric curve, carry out location map again, especially place the optical cable that plurality of sections is reserved section for the centre, can heat and shine upon too, ensured the high precision position mapping.
A kind of device that heats unsettled optical cable, different with the device of the unsettled optical cable of embodiment 1 described heating is:
Pole is passed heated seats, and links to each other with heated seats by screw thread;
There is certain distance on the hanging position of unsettled optical cable and bridge or top, tunnel, according to the hanging position of unsettled optical cable and the distance on bridge or top, tunnel, regulate pole and pass the length of heated seats, when making optical cable be stuck in the bottom of V-type groove of heated seats, the top of pole can prop up bridge or top, tunnel; Make when optical cable heated, a skyborne position of pole pair heated seats is fixed, and has alleviated that heated seats is skyborne waves, and then has reduced the optical cable of the V-type bottom land end that is stuck in heated seats because waving of heated seats and probability that situations such as fracture take place; Ensured the applying heating of heated seats simultaneously, guaranteed the optical cable heating stability to optical cable.
Present embodiment also provides a kind of method that heats unsettled optical cable, may further comprise the steps:
A, provide the device of the unsettled optical cable of the described heating of present embodiment, the unsettled optical cable on the top, tunnel that is laid in is heated;
B, optical cable lay along the top, tunnel, the distance of optical cable from the top, tunnel is 15cm, then select a cross-talk pole to link to each other with heated seats, adjust sub-pole, so that after passing heated seats, the length that is in the sub-pole on heated seats top is 15cm so that heated seats is when holding up optical cable, optical cable is stuck in the bottom of the V-type groove of heated seats, and basic maintenance is close with original suspension height, so that optical cable can fit with heated seats better;
C, continue chooser pole, and its sub-pole that links to each other with heated seats is linked to each other, heated seats can be propped overhead positions to optical cable until the pole of sub-pole composition;
Energized, the heating heated seats;
In the present embodiment, because optical cable lays along the top, tunnel, the suspension height of optical cable and the distance on ground be generally at 9m, and then the length of the pole that is combined into by selected sub-pole is about 7.5m, and the hand-held pole of operating personnel holds up heated seats can realize heating to unsettled optical cable;
D, prop heated seats holding up unsettled optical cable with pole, and the top of pole contacts with the top, tunnel, optical cable is stuck in the bottom of the V-type groove of heated seats, and heated seats heats optical cable.
Present embodiment also provides the method for the unsettled optical cable in a kind of positioning distributed fibre-optical temp measuring system, and different with the embodiment 1 described method that unsettled optical cable in the temperature-measuring system of distributed fibers is located is:
In step a1, adopt the method for the unsettled optical cable of the described heating of present embodiment that the unsettled optical cable in the temperature-measuring system of distributed fibers is heated.
Embodiment 3
See also Fig. 2, Fig. 3, a kind of device that heats unsettled optical cable, different with the device of the unsettled optical cable of embodiment 1 described heating is:
The device of the unsettled optical cable of described heating also comprises heating plate 10 and adjuster bar 4;
In the present embodiment, temperature-measuring system of distributed fibers is based on the Brillouin scattering principle, and the length of then choosing heated seats 12 and heating plate 10 is 1m, and heating plate 10 is the silica gel heating plate;
Described adjuster bar 4 lower ends are screw thread, be spun on the heated seats 12 by the underframe 42 that is arranged on the heated seats 12, and by be arranged on underframe up and down the nut 41 at two ends be fixed on the heated seats 12; The bearing of trend of adjuster bar 4 is opposite with pole 32 bearing of trends;
Distance according to unsettled optical cable hanging position and bridge or top, tunnel, regulate the length of adjuster bar 4, when making optical cable 1 be stuck in the bottom of V-type groove of heated seats 12, the top of adjuster bar 4 can prop up bridge or top, tunnel, make when optical cable 1 heated, adjuster bar 4 is fixed with 32 pairs of heated seats of pole, 12 skyborne positions, alleviated heated seats 12 skyborne waving, and then reduced the optical cable 1 of the V-type bottom land end that is stuck in heated seats 12 because waving of heated seats 12 and probability that situations such as fracture take place; Ensured the applying heating of 12 pairs of optical cables 1 of heated seats simultaneously, guaranteed optical cable 1 heating stability;
The length of adjuster bar 4 can regulate or select as required.
Present embodiment also provides a kind of method that heats unsettled optical cable, may further comprise the steps:
A, provide the device of the unsettled optical cable of the described heating of present embodiment, the unsettled optical cable on the top, tunnel that is laid in is heated;
B, optical cable lay along the top, tunnel, and the distance of optical cable from the top, tunnel is D, D=10cm; Because the degree of depth of the V-type groove of heated seats 12 is 3cm, the length adjustment that then adjuster bar 4 is in adjustment seat 12 top parts is 7cm, so that heated seats 12 is when holding up optical cable, optical cable 1 is stuck in the bottom of the V-type groove of heated seats 12, and basic maintenance is close with original suspension height, so that optical cable 1 can fit with heated seats 12 better;
C, selection one cross-talk pole link to each other with heated seats 12, and energized 2 heats the heating plate 10 that is arranged on the heated seats 12; Continue chooser pole, and its sub-pole that links to each other with heated seats 12 is linked to each other, heated seats can be propped to the overhead positions of optical cable 1, and unsettled optical cable is held up until the pole 32 that sub-pole is formed;
In the present embodiment, because optical cable lays along the top, tunnel, the suspension height of optical cable and the distance on ground be generally at 7m, and then the length of the pole 32 that is combined into by selected sub-pole is about 5.5m, and the hand-held pole 32 of operating personnel holds up heated seats 12 can realize heating to unsettled optical cable;
D, prop the heated seats 12 that links to each other with its top with pole 32 to hold up unsettled optical cable, optical cable 1 is stuck in the bottom of the V-type groove of heated seats 12,12 pairs of optical cables heating of heated seats.
Present embodiment also provides the method for the unsettled optical cable in a kind of positioning distributed fibre-optical temp measuring system, and different with the embodiment 1 described method that unsettled optical cable in the temperature-measuring system of distributed fibers is located is:
In step a1, adopt the method for the unsettled optical cable of the described heating of present embodiment that the unsettled optical cable in the temperature-measuring system of distributed fibers is heated.
See also Fig. 4, a kind of device that heats unsettled optical cable, different with the device of the unsettled optical cable of embodiment 3 described heating is:
The groove of heated seats 13 is the U type; Bottom at heated seats 13 grooves is provided with heating plate 10, attaches heat-preservation cotton on the heating plate 10, makes the groove that the optical cable that fits with heated seats can the insulation cotton hold (heat-preservation cotton does not illustrate in the drawings);
The device of the unsettled optical cable of described heating also comprises thermal detector 5, Temperature Feedback controller 6; After heating plate 10 energisings, described thermal detector 5 is measured the temperature of heating plate 10 and it is passed to Temperature Feedback controller 6, Temperature Feedback controller 6 compares itself and desired temperature, when the temperature that measures heating plate 10 reaches desired temperature, then Temperature Feedback controller 6 cuts off the electricity supply 2, stop the heating to heating plate 10, if be lower than desired temperature, then Temperature Feedback controller 6 control power supplys 2 continue heating plate 10 energising heating;
In the present embodiment, adopt the temperature-measuring system of distributed fibers of the device of the unsettled optical cable of heating to be based on the fiber raman scattering principle; Then, if the spatial resolution of system is 1m, the length of selected heated seats 11 is 1m, the length 1.2m of selected heating plate 10;
The device of the unsettled optical cable of described heating can also comprise overheat protector or temperature alarm instrument, improves the reliability of the unsettled optical cable device of heating.
Present embodiment also provides a kind of method that heats unsettled optical cable, may further comprise the steps:
A, provide the device of the unsettled optical cable of the described heating of present embodiment, the unsettled optical cable on the top, tunnel that is laid in is heated;
B, optical cable lay along the top, tunnel, and the distance of optical cable from the top, tunnel is 15cm; Because the degree of depth of the U type groove of heated seats 13 is 5cm, the length of then adjusting adjuster bar 4 is 10cm, so that heated seats 13 is when holding up optical cable, optical cable is stuck in the bottom of the U type groove of heated seats 13, and basic maintenance is close with original suspension height, so that optical cable can fit with heated seats 13 better;
Because optical cable lays along the top, tunnel, the suspension height of optical cable and the distance on ground are 9m, then adjust the draw-tube of pole 33, and the length that makes pole 33 is about 7.5m, and the hand-held pole 33 picking-up heated seats 13 of operating personnel can realize the heating to unsettled optical cable;
C, energized 2 heat the heating plate 10 that is arranged on the heated seats 13;
After heating plate 10 energisings, described thermal detector 5 is measured the temperature of heating plate 10 and it is passed to Temperature Feedback controller 6, Temperature Feedback controller 6 compares itself and desired temperature for 50 ℃, when the temperature that measures heating plate 10 reaches desired temperature, then Temperature Feedback controller 6 cuts off the electricity supply 2, stop the heating to heating plate 10, if be lower than 50 ℃ of desired temperatures, then Temperature Feedback controller 6 control power supplys 2 continue heating plate 10 energising heating;
D, prop the heated seats 13 that links to each other with its top with pole 33 to hold up unsettled optical cable, unsettled optical cable is stuck in the bottom of the U type groove of heated seats 13, and 13 pairs of unsettled optical cables of heated seats heat.
Present embodiment also provides the method for the unsettled optical cable in a kind of positioning distributed fibre-optical temp measuring system, and different with the embodiment 2 described methods that unsettled optical cable in the temperature-measuring system of distributed fibers is located is:
In step a1, adopt the method for the unsettled optical cable of the described heating of present embodiment that the unsettled optical cable in the temperature-measuring system of distributed fibers is heated.
Above-mentioned embodiment should not be construed as limiting the scope of the invention.Key of the present invention is: lift heated seats to hold up unsettled optical cable with pole, heated seats is heated, and then the unsettled optical cable by its picking-up is heated.Under the situation that does not break away from spirit of the present invention, any type of change that the present invention is made all should fall within protection scope of the present invention.
Claims (14)
- One kind the heating unsettled optical cable device, comprising:Heated seats, described heated seats is used to hold up unsettled optical cable;Power supply, described power supply and described heated seats or the heating plate that is arranged on the heated seats upper surface link to each other;Pole, described pole links to each other with heated seats, is used to prop heated seats.
- 2. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: on the described heated seats groove is set, unsettled optical cable contacts with the bottom of heated seats upper groove.
- 3. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: the length of described heated seats and/or heating plate, be not less than the temperature-measuring system of distributed fibers of using described unsettled optical cable spatial resolution 50%.
- 4. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: described strut lengths can regulate or select as required.
- 5. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: described pole is passed heated seats, is used for stablizing the skyborne position of heated seats.
- 6. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: described device also comprises the adjuster bar that is arranged on the heated seats, is used for stablizing the skyborne position of heated seats.
- 7. the device of the unsettled optical cable of heating according to claim 6 is characterized in that: described adjuster bar length can regulate or select as required.
- 8. the device of the unsettled optical cable of heating according to claim 1 is characterized in that: described device also comprises thermal detector and Temperature Feedback controller, and described thermal detector is arranged on the heated seats, and described Temperature Feedback controller links to each other with power supply with thermal detector respectively.
- 9. the device according to the unsettled optical cable of the arbitrary described heating of claim 1～8 heats the method for unsettled optical cable, may further comprise the steps:The length that is used to prop the pole of heated seats according to the flying height adjustment of optical cable;Power supply is to heated seats or be arranged on the heating plate heating of heated seats upper surface;Prop heated seats with the picking-up optical cable with pole, and then optical cable is heated.
- 10. the method for the unsettled optical cable of heating according to claim 9 is characterized in that: regulate described pole/adjuster bar, to stablize the skyborne position of heated seats.
- 11. the method for the unsettled optical cable of heating according to claim 9 is characterized in that: measure temperature and the output of FEEDBACK CONTROL power supply in real time on the heated seats, and then control is to the heating of heated seats or heating plate.
- 12. the method for the unsettled optical cable in the method positioning distributed fibre-optical temp measuring system of the unsettled optical cable of heating according to claim 9 may further comprise the steps:Heat unsettled optical cable;Temperature-measuring system of distributed fibers records the temperature of heated unsettled optical cable, and the focus that the temperature of described unsettled optical cable is reflected on the thermometric curve is corresponding with particular geographic location one, realizes the location to optical cable.
- 13. the method for the unsettled optical cable in the positioning distributed fibre-optical temp measuring system according to claim 12 is characterized in that: regulate described pole/adjuster bar, to stablize the skyborne position of heated seats.
- 14. the method for the unsettled optical cable in the positioning distributed fibre-optical temp measuring system according to claim 12 is characterized in that: measure temperature and the output of FEEDBACK CONTROL power supply in real time on the heated seats, and then control is to the heating of heated seats or heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106224188A CN102175346B (en) | 2010-12-31 | 2010-12-31 | Method for locating optical cable in distributed optical fiber temperature measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106224188A CN102175346B (en) | 2010-12-31 | 2010-12-31 | Method for locating optical cable in distributed optical fiber temperature measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175346A true CN102175346A (en) | 2011-09-07 |
| CN102175346B CN102175346B (en) | 2013-08-21 |
Family
ID=44518555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106224188A Active CN102175346B (en) | 2010-12-31 | 2010-12-31 | Method for locating optical cable in distributed optical fiber temperature measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102175346B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519623A (en) * | 2011-12-09 | 2012-06-27 | 中国一冶集团有限公司 | Distributed stress/temperature sensing optical fiber coordinate locating device |
| CN102519624A (en) * | 2011-12-09 | 2012-06-27 | 中国一冶集团有限公司 | Distributed stress/temperature sensing optical fiber coordinate locating method |
| CN106768473A (en) * | 2016-12-16 | 2017-05-31 | 山东康威通信技术股份有限公司 | A kind of portable fiber-optic heats test device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121452A (en) * | 1998-10-14 | 2000-04-28 | Nkk Corp | Method for inspecting optic-fiber temperature measuring apparatus |
| CN201181605Y (en) * | 2008-03-10 | 2009-01-14 | 昆山火凤凰线缆有限公司 | Aerial optical/electrical cable snow-melting and deicing apparatus |
| CN201464082U (en) * | 2009-07-09 | 2010-05-12 | 北京市电力公司 | Heating device of temperature measuring optical cable |
| CN201964980U (en) * | 2010-12-31 | 2011-09-07 | 聚光科技(杭州)股份有限公司 | Device for heating suspended optical cable |
-
2010
- 2010-12-31 CN CN2010106224188A patent/CN102175346B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121452A (en) * | 1998-10-14 | 2000-04-28 | Nkk Corp | Method for inspecting optic-fiber temperature measuring apparatus |
| CN201181605Y (en) * | 2008-03-10 | 2009-01-14 | 昆山火凤凰线缆有限公司 | Aerial optical/electrical cable snow-melting and deicing apparatus |
| CN201464082U (en) * | 2009-07-09 | 2010-05-12 | 北京市电力公司 | Heating device of temperature measuring optical cable |
| CN201964980U (en) * | 2010-12-31 | 2011-09-07 | 聚光科技(杭州)股份有限公司 | Device for heating suspended optical cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519623A (en) * | 2011-12-09 | 2012-06-27 | 中国一冶集团有限公司 | Distributed stress/temperature sensing optical fiber coordinate locating device |
| CN102519624A (en) * | 2011-12-09 | 2012-06-27 | 中国一冶集团有限公司 | Distributed stress/temperature sensing optical fiber coordinate locating method |
| CN102519623B (en) * | 2011-12-09 | 2014-02-12 | 中国一冶集团有限公司 | Distributed stress/temperature sensing optical fiber coordinate locating device |
| CN106768473A (en) * | 2016-12-16 | 2017-05-31 | 山东康威通信技术股份有限公司 | A kind of portable fiber-optic heats test device and method |
| CN106768473B (en) * | 2016-12-16 | 2019-05-17 | 山东康威通信技术股份有限公司 | A kind of portable fiber-optic heating test device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102175346B (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101886955B (en) | Fiber Bragg grating sensing package and system for gas turbine temperature measurement | |
| CN102175346B (en) | Method for locating optical cable in distributed optical fiber temperature measuring system | |
| EP2929357A1 (en) | Method and system for measuring a perpendicular wind component | |
| CN102575952A (en) | Device generating exhaust gas, especially a boat, comprising a system for determining the volume of exhaust gas | |
| EP2016382A1 (en) | Methods and apparatus for calibrating distributed fiber temperature sensing system | |
| CN204422102U (en) | Fiber optic temperature Real-Time Monitoring and dynamic calibration apparatus | |
| CN102575953A (en) | System for determining exhaust gas volume | |
| CN201964980U (en) | Device for heating suspended optical cable | |
| CN103983660A (en) | Indoor rock sample heat conduction coefficient testing device | |
| CN106300199A (en) | A kind of ice melting system being automatically adjusted output electric current according to icing line temperature | |
| CN110987239A (en) | Temperature measurement detection device for terminal base of electric energy meter | |
| CN106770447A (en) | The measurement apparatus and method of thermal conductivity factor under a kind of asphalt different temperatures | |
| CN104684842A (en) | Tube monitor and process measurement and control in or for a reformer | |
| CN107515058A (en) | Fiber-optical grating temperature sensor temperature calibration thermostat under thermal vacuum environment | |
| Pavlinic et al. | Direct monitoring methods of overhead line conductor temperature | |
| CN202204618U (en) | Calibration device used for cladding material infrared optical-fiber thermodetector | |
| CN203849193U (en) | Indoor rock sample heat conduction coefficient testing device | |
| JP2001228105A (en) | Characteristic evaluating device for thermally insulating coating and charcteristic evaluating method tehrefor | |
| CN211080237U (en) | Concrete anti-cracking device based on distributed optical fiber | |
| KR20100035336A (en) | Temperature heating device, temperature heating test device and method using the same | |
| CN203200382U (en) | Temperature measurement assembly for crystal growth furnace | |
| US20130126626A1 (en) | Method and device for energy control | |
| EP0343811B1 (en) | Method and apparatus for testing thermal conductivity | |
| CN202221347U (en) | Tubular heating temperature calibrating device | |
| CN101793978B (en) | Thermal stress monitoring system and field device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: WUXI FPI SENSOR NETWORK CO., LTD. Effective date: 20120313 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120313 Address after: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Applicant after: Focused Photonics (Hangzhou) Inc. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Applicant before: Focused Photonics (Hangzhou) Inc. Co-applicant before: Wuxi Juguang Shengshi Sensor Network Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI BOHUI COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FOCUSED PHOTONICS (HANGZHOU) INC. Effective date: 20130424 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310052 HANGZHOU, ZHEJIANG PROVINCE TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130424 Address after: 201203, Shanghai, Pudong New Area, No. 177 blue wave road, B District, 2 layers Applicant after: Shanghai Bohui Communication Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310052 shore road 760 Applicant before: Focused Photonics (Hangzhou) Inc. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201203 room 177, No. 203 blue wave road, Zhangjiang hi tech park, Shanghai Patentee after: SHANGHAI BANDWEAVER TECHNOLOGIES CO., LTD. Address before: 201203, Shanghai, Pudong New Area, No. 177 blue wave road, B District, 2 layers Patentee before: Shanghai Bohui Communication Technology Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method for locating optical cable in distributed optical fiber temperature measuring system Effective date of registration: 20170309 Granted publication date: 20130821 Pledgee: Bank of China Limited by Share Ltd Shanghai Development Zone, Pudong branch Pledgor: SHANGHAI BANDWEAVER TECHNOLOGIES CO., LTD. Registration number: 2017310000008 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 103, Building 299, Zhongchen Road, Songjiang District, Shanghai, 20113 Patentee after: Shanghai Bohui Technology Co., Ltd. Address before: Room 203, 177 Bibo Road, Zhangjiang High-tech Park, Shanghai, 201203 Patentee before: Shanghai Bandweaver Technology Co., Ltd. |