CN201465655U - Electric power optical fiber composite conducting wire - Google Patents
Electric power optical fiber composite conducting wire Download PDFInfo
- Publication number
- CN201465655U CN201465655U CN2009201091337U CN200920109133U CN201465655U CN 201465655 U CN201465655 U CN 201465655U CN 2009201091337 U CN2009201091337 U CN 2009201091337U CN 200920109133 U CN200920109133 U CN 200920109133U CN 201465655 U CN201465655 U CN 201465655U
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- optical fiber
- electric power
- fiber composite
- grating
- power optical
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Abstract
The utility model provides an electric power optical fiber composite conducting wire, which comprises a plurality of electric power transmission stranded wires and optical fibers. The optical fibers combined with the electric power transmission stranded wires extend along the electric power transmission stranded wires, and at least one optical fiber is a grating optical fiber inscribed with a temperature measuring grating. The electric power optical fiber composite conducting wire can realize normal electricity energy transmission and communication, and simultaneously can achieve self temperature measurement.
Description
Technical field
The utility model relates to a kind of power optical fiber composite wire, more specifically, relates to a kind of power optical fiber composite wire of optical fiber temperature-measurement.
Background technology
Power line lead all is to use the steel reinforced aluminium conductor transmitting electric load at present; and contacts such as power communication, protection, automatics generally will be by the optical fiber transmission of the ADSL that sets up in addition, Optical Fiber composite overhead Ground Wire (OPGW) etc.; doing one like this is to have increased equipment; the 2nd, OPGW accident such as usually be struck by lightning threatens; make communicating interrupt; some medium-voltage line does not have overhead ground wire in addition, just can't use the OPGW optical cable yet, just needs other building communication lines.In addition, need to be grasped the temperature of transmission line operation lead,, can determine whether like this to improve the lead transmission capacity so that can accurately grasp the real time temperature of lead.The method of taking for the measurement conductor temperature is layout on the lead (carrying out the lead thermometric on the diverse location on the line by the run unit demand) temperature measuring equipment to be installed at present, to pass through the GPS communication, the brief temperature measurement data of beaming back, and the result who does like this causes cost very high, but also restricted number is installed, simultaneously can not carry out the real-time measurement of temperature again, thereby can not make circuit bring into play its optimum efficiency.
Therefore need a kind of effective scheme to solve the problems referred to above.
The utility model content
Technical problem to be solved in the utility model provides a kind of power optical fiber composite wire, and it is normal transmission of electric energy both, again can communication, can also self carry out thermometric optical fiber temperature-measurement compound wire simultaneously.
Another technical problem to be solved in the utility model provides a kind of optical fiber temperature-measurement compound wire that can effectively protect optical fiber.
For solving the problems of the technologies described above, the utility model provides a kind of power optical fiber composite wire, comprises multiply electric power transfer twisted wire and optical fiber, this optical fiber and electric power transfer twisted wire are compound, and along the extension of electric power transfer twisted wire, wherein, at least one optical fiber is for inscribing the grating fibers that the thermometric grating is arranged.
Wherein, power optical fiber composite wire of the present utility model also comprises protective casing, and optical fiber is arranged in the protective casing.
Wherein, multiply electric power transfer twisted wire forms stranded layer, at the inner receiving optical fiber of stranded layer.
Wherein, one or more also is set in stranded layer and supports core.
Wherein, the predetermined distance in every interval forms a grating point for measuring temperature on the grating fibers, and predetermined distance is a 300-500 rice.
Wherein, multiply electric power transfer twisted wire is an aluminium stranded conductor.
Wherein, supporting core is steel core.
Wherein, protecting pipe is a steel pipe.
The technical solution of the utility model has following beneficial effect:
In the actual production as use optical fiber temperature-measurement compound wire of the present utility model, both normal transmission of electric energy, can carry out communication again, can also self carry out temperature survey. so just saved the ADSL that increases for power communication, equipment such as OPGW, also can reduce because the accidents such as thunderbolt that OPGW causes threaten. can also save the very expensive GPS lead temperature measuring equipment of taking in the present work of use in addition, save huge cost. with the optical fiber temperature-measurement compound wire during as the circuit of transferring electric power, the staff can measure the actual bearer situation that line temperature is directly determined circuit according to the optical fiber temperature-measurement compound wire.
The utility model is to strengthening the lead on-line monitoring, grasp variations in temperature, improve the lead transmission capacity, reduce line loss, improve safe operation of electric network, increase the communication backup, solving comprehensive communication plan or the like aspect and all show and provide big economic benefit and social benefit, especially builds in the controlling the trend of environment-friendly type, economical society in country instantly with all strength and demonstrates powerful realistic meaning more.
Be noted that the description and the following detailed description all are exemplary, being intended to provides further instruction to desired the utility model.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.Below with reference to figure, other purpose, feature and effect of the present utility model is described in further detail.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic sectional view of optical fiber temperature-measurement compound wire;
Fig. 2 shows optical fiber temperature-measurement compound wire structural representation;
Fig. 3 shows optical fiber temperature-measurement compound wire inner fiber and grating fibers position view.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 shows the schematic sectional view of optical fiber temperature-measurement compound wire.The utility model is that one steel core 2 in the steel reinforced aluminium conductor 1 of lead changes inside into and is installed with number and picks up the steel pipes of root optical fiber 4, utilizes wherein optical fiber to carry out communication, protection, the automatics of electric power; And inscribe grating on several optical fiber therein, directly lead is carried out temperature survey by optical fiber through inscribing grating.
Fig. 2 shows optical fiber temperature-measurement compound wire structural representation.
With reference to Fig. 2, the utility model provides a kind of electric power compound wire, comprises multiply electric power transfer twisted wire 1, also comprise optical fiber 4, this optical fiber and electric power transfer twisted wire are compound, and extend along the electric power transfer twisted wire, and wherein at least one optical fiber is for inscribing the grating fibers that the thermometric grating is arranged.Wherein, electric power compound wire of the present utility model also comprises protective casing, and optical fiber is arranged in the protective casing.Wherein, multiply electric power transfer twisted wire forms stranded layer, at the inner receiving optical fiber of stranded layer.Wherein, one or more also is set in stranded layer and supports core 2.
In addition, the utility model also has temp sensing function.Wherein, the predetermined distance in every interval forms a grating point for measuring temperature on the grating fibers, and predetermined distance is a 300-500 rice.
Preferably, in the utility model, multiply electric power transfer twisted wire is an aluminium stranded conductor, and the support core is a steel core.Wherein, protecting pipe is a steel pipe.
The utility model adopts the method for directly making the imprinting grating on optical fiber to carry out the manufacturing of thermometric conductor. and the grating fibers that becomes with the optical fiber imprinting is a light sensitivity of utilizing fiber optic materials, by special processing mode, make and form the space phase grating in the fibre core, the local mirror surface that forms an arrowband, light to specific wavelength forms reflection. when the temperature of optical fiber changes, can be around the grating along with expanding with heat and contract with cold of optical fiber changes, this changes can change reflection wavelength, by measuring catoptrical wavelength change, just can measure the optical fiber temperature sensor of grating present position. same, by measuring catoptrical delay, the position that can learn grating. Here it is utilizes the principle of grating fibers thermometric.
The mode of directly carving grating does not produce supplementary load loss, can not influence measuring distance, and this production method is better than the production method of welding.The grating fibers thermometric mode that becomes by the optical fiber imprinting is owing to be special optical fiber targetedly, and reflected signal is strong, and therefore transmitting power and the receiving sensitivity to equipment requires all to be lower than Raman reflection thermometric mode, and the good stability of equipment.The benefit of bringing simultaneously is a far measuring distance, and measuring distance can be more than 100km, and certainty of measurement is in ± 2 ℃.
Fig. 3 shows optical fiber temperature-measurement compound wire inner fiber and grating fibers position view.
With reference to Fig. 3, according to a specific embodiment of the present utility model, one steel core 2 in the steel reinforced aluminium conductor 1 of plain conductor changes inside into can be installed with the steel pipe 3 that picks up root optical fiber up to number, and inscribe grating on several optical fiber 5 in these optical fiber, preferably, one or two strands of steel cores 2 can be replaced with steel pipe 3.Several optical fiber 5 are wherein inscribed grating in the position of setting, measure the temperature sensor of diverse location grating by the emission light signal.Here it is has realized utilizing the grating fibers thermometric.The continuous temperature that the utility model does not need to measure the whole piece circuit distributes, can select per 300～500 meters measurement points for use, or, select the thermometric mode monitoring circuit variations in temperature of grating fibers for use at sag minimum point increasing distribution optical grating point, can be at any time by the defeated biography capacity of the temperature adjustment of grasping.Preferably, can select 300 meters, 400 meters, 500 meters spacing distances as adjacent point for measuring temperature.
According to a specific embodiment of the present utility model, replace with the steel pipe 3 that inside is installed with 24 optical fiber with 1 in 7 steel cores 2 of ordinary steel core aluminum stranded wire 1, and inscribe grating on 8 optical fiber 5 in these 24 optical fiber.15 gratings of imprinting all on every in these 8 optical fiber, i.e. totally 15 points for measuring temperature on every.In this embodiment, use 16 optical fiber in 24 optical fiber to carry out communication, utilize 8 imprintings in 24 optical fiber to have the optical fiber of grating to carry out thermometric.Facts have proved that this method can reach effect preferably.
In the actual production as use optical fiber temperature-measurement compound wire of the present utility model, both normal transmission of electric energy can carry out communication again, can also self carry out temperature survey.So just saved the equipment such as ADSL, OPGW that increase for power communication, also can reduce because the accidents such as thunderbolt that OPGW causes threaten.Can also save the very expensive GPS lead temperature measuring equipment of taking in the present work of use in addition, save huge cost.With the optical fiber temperature-measurement compound wire during as the circuit of transferring electric power, the staff can measure the actual bearer situation that bottom line road temperature is directly determined circuit according to the optical fiber temperature-measurement compound wire.
Be embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (8)
1. power optical fiber composite wire, comprise multiply electric power transfer twisted wire and optical fiber, described optical fiber and described electric power transfer twisted wire are compound, and extend along described electric power transfer twisted wire, it is characterized in that at least one described optical fiber is for inscribing the grating fibers that the thermometric grating is arranged.
2. power optical fiber composite wire according to claim 1 is characterized in that, also comprises protective casing, and described optical fiber is arranged in the described protective casing.
3. power optical fiber composite wire according to claim 2 is characterized in that, described multiply electric power transfer twisted wire forms stranded layer, holds described optical fiber in described stranded layer inside.
4. power optical fiber composite wire according to claim 3 is characterized in that, one or more also is set in described stranded layer supports core.
5. power optical fiber composite wire according to claim 1 is characterized in that, the predetermined distance in every interval forms a grating point for measuring temperature on the described grating fibers, and described predetermined distance is a 300-500 rice.
6. power optical fiber composite wire according to claim 1 is characterized in that, described multiply electric power transfer twisted wire is an aluminium stranded conductor.
7. power optical fiber composite wire according to claim 4 is characterized in that, described support core is a steel core.
8. power optical fiber composite wire according to claim 2 is characterized in that, described protecting pipe is a steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091337U CN201465655U (en) | 2009-06-11 | 2009-06-11 | Electric power optical fiber composite conducting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091337U CN201465655U (en) | 2009-06-11 | 2009-06-11 | Electric power optical fiber composite conducting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465655U true CN201465655U (en) | 2010-05-12 |
Family
ID=42393003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201091337U Expired - Lifetime CN201465655U (en) | 2009-06-11 | 2009-06-11 | Electric power optical fiber composite conducting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465655U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005266A (en) * | 2010-09-28 | 2011-04-06 | 国网电力科学研究院 | Aluminium clad cable composite stranded wire |
| CN103426544A (en) * | 2012-05-18 | 2013-12-04 | 河南科信电缆有限公司 | Enhanced photoelectric composite cable |
| CN104751974A (en) * | 2013-12-31 | 2015-07-01 | 河南中录电缆有限公司 | Carbon fiber reinforced cold-resistant temperature self-measurement cable |
| CN110993175A (en) * | 2019-09-09 | 2020-04-10 | 重庆泰山电缆有限公司 | Self-temperature-measuring electric wire |
-
2009
- 2009-06-11 CN CN2009201091337U patent/CN201465655U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005266A (en) * | 2010-09-28 | 2011-04-06 | 国网电力科学研究院 | Aluminium clad cable composite stranded wire |
| CN103426544A (en) * | 2012-05-18 | 2013-12-04 | 河南科信电缆有限公司 | Enhanced photoelectric composite cable |
| CN104751974A (en) * | 2013-12-31 | 2015-07-01 | 河南中录电缆有限公司 | Carbon fiber reinforced cold-resistant temperature self-measurement cable |
| CN110993175A (en) * | 2019-09-09 | 2020-04-10 | 重庆泰山电缆有限公司 | Self-temperature-measuring electric wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |