The utility model content
In order to solve above-mentioned deficiency of the prior art, the utility model provides a kind of device 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 utility model 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 utility model 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 utility model 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 utility model 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.
Embodiment
Embodiment 1
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;
Pole 31 and heated seats 11 link to each other with thread forms, to make things convenient for dismounting and the combination between pole 31 and the heated seats 11; When pole 31 is connected with heated seats 11, the top of pole 31 is provided with screw thread, can only be the top precession heated seats 11 of pole 31, also can be top precession heated seats 11 back of pole 31 and pass heated seats 11, as long as can realize being connected of pole 31 and heated seats 11; In the present embodiment, the top of pole 31 and heated seats 11 link to each other with thread forms;
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;
Pole 31 is the metallic aluminium prepared material, has certain rigid and lighter, and is easy to carry;
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.
Embodiment 2
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;
Heated seats 12 is for being provided with the aluminium flake of V-type groove, and the one side that the V-type groove is set in heated seats 12 is provided with heating plate 10, and heating plate 10 directly links to each other with power supply 2;
Adopt pole 32 with 12 time-outs of heated seats, heating plate 10 directly contacts with optical cable 1 and heats optical cable, so the length of heating plate 10 is identical with the length of the optical cable that is heated; Then the length of heating plate 10 can be identical with the length of heated seats 12, also can be shorter than or be longer than the length of heated seats 12, as long as can guarantee the variation that the optical cable identical with the length of heating plate 10 can response temperature, the purpose that reaches temperature monitoring gets final product;
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.
Embodiment 4
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:
Pole 33 is a draw-tube, according to working-yard optical cable suspension height, adjusts the length of pole 33;
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 the restriction to the utility model protection domain.Key of the present utility model 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 the utility model spirit, any type of change that the utility model is made all should fall within the protection domain of the present utility model.