CN220235002U - Optical fiber composite intelligent heating cable - Google Patents
Optical fiber composite intelligent heating cable Download PDFInfo
- Publication number
- CN220235002U CN220235002U CN202321968123.5U CN202321968123U CN220235002U CN 220235002 U CN220235002 U CN 220235002U CN 202321968123 U CN202321968123 U CN 202321968123U CN 220235002 U CN220235002 U CN 220235002U
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- Prior art keywords
- optical fiber
- cable
- heating cable
- temperature sensing
- layer
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 239000013307 optical fiber Substances 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000002776 aggregation Effects 0.000 abstract description 4
- 238000004220 aggregation Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses an optical fiber composite intelligent heating cable, which relates to the technical field of heating cables and comprises the following components: carbon fiber insulated wire core and temperature sensing optical fiber; the carbon fiber insulation wire core comprises a heating conductor and an insulation layer; a heat conduction filling layer is arranged between the carbon fiber insulating wire core and the temperature sensing optical fiber; the temperature sensing optical fiber is connected with the optical fiber sensing system. The heating conductor has higher twisting degree, and gaps exist among strands, so that a loose gap aggregation state structure is formed, the surface temperature rise is lower, the thermal response time is shorter, the electrothermal effect is higher, the better heating effect of the heating cable is realized, and the service life of the cable is prolonged; the temperature sensing optical fiber is utilized to realize intelligent on-line monitoring of the temperature of the whole cable line, so that the temperature rise of the cable is controllable, the line loss is reduced, and the operation safety of a power grid is improved; when the cable breaks down, easily seek the damage point, repair labour saving and time saving.
Description
Technical Field
The utility model relates to the technical field of heating cables, in particular to an optical fiber composite intelligent heating cable.
Background
At present, the heating cable is buried under the floor or is sealed by cement casting. In the related art, a conventional carbon fiber heating cable adopts twisted carbon fiber bundles, the whole bundles of fibers are twisted and then integrally stranded, the twisting degree is relatively low, the cable belongs to a tightly-aggregated structure, gaps among the bundles are low, the surface temperature of a carbon fiber heating conductor is high, the heating effect is poor, and the service life of the cable is influenced.
The temperature rise condition of the heating cable in operation can not be monitored, and the phenomenon that the whole cable is damaged due to the temperature rise caused by the increase of the load of the power wire easily occurs. Meanwhile, when the cable fails, the damage point is not easy to find, and the repair is time-consuming and labor-consuming.
Disclosure of Invention
The present utility model is directed to an optical fiber composite intelligent heating cable that overcomes at least one of the problems and deficiencies presented in the background art discussed above.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an optical fiber composite intelligent heating cable, comprising:
carbon fiber insulated wire core and temperature sensing optical fiber;
the carbon fiber insulation wire core comprises a heating conductor and an insulation layer;
a heat conduction filling layer is arranged between the carbon fiber insulating wire core and the temperature sensing optical fiber;
the temperature sensing optical fiber is connected with the optical fiber sensing system.
As a further aspect of the present utility model: the temperature sensing optical fiber is an optical fiber sensing element.
As a further aspect of the present utility model: the heating conductor is wrapped in the insulating layer.
As a further aspect of the present utility model: the insulating layer is polytetrafluoroethylene.
As a further aspect of the present utility model: the heat conducting filler is characterized by further comprising a wrapping tape layer and a shielding layer, wherein the wrapping tape layer is arranged outside the heat conducting filler and wrapped in the shielding layer.
As a further aspect of the present utility model: the heating cable is further provided with an outer sheath, wherein the outer sheath is the outer layer of the heating cable and wraps the shielding layer.
The optical fiber composite intelligent heating cable has at least the following technical effects:
the heating conductor in the optical fiber composite intelligent heating cable is formed by twisting a plurality of filament carbon fibers in a closing way, and then the plurality of filament carbon fibers are twisted to form a plurality of filament carbon fiber ropes. Compared with the traditional carbon fiber heating cable, the heating cable has higher twisting degree, and gaps exist among strands, so that a loose gap aggregation state structure is formed, the surface temperature rise is lower, the thermal response time is shorter, the electric heating effect is higher, the better heating effect of the heating cable is realized, and the service life of the cable is prolonged.
The temperature sensing optical fiber is used as an optical fiber sensing element, any point on the temperature sensing optical fiber is not only a sensitive unit, but also an information transmission channel of other sensitive units, so that the information of the spatial and temporal changes distributed along the optical fiber to be measured can be obtained, the traditional single-point measurement mode is broken through, the intelligent on-line monitoring of the temperature of the whole cable line is realized, the temperature rise of the cable is controllable, the line loss is reduced, and the running safety of a power grid is improved; when the cable breaks down, easily seek the damage point, repair labour saving and time saving.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a schematic structural diagram of an optical fiber composite intelligent heating cable.
Reference numerals:
10. a carbon fiber insulating wire core; 101. a heat-generating conductor; 102. an insulating layer; 20. a temperature sensing optical fiber; 30. a thermally conductive filler layer; 40. a tape layer; 50. a shielding layer; 60. an outer sheath.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
As shown in fig. 1, in an embodiment of the present utility model, an optical fiber composite intelligent heating cable includes: a carbon fiber insulated wire core 10 and a temperature sensing optical fiber 20; the carbon fiber insulation wire core 10 comprises a heating conductor 101 and an insulation layer 102; a heat conduction filling layer 30 is arranged between the carbon fiber insulated wire core 10 and the temperature sensing optical fiber 20; the temperature sensing optical fiber 20 is connected with an optical fiber sensing system. The temperature sensing optical fiber 20 is an optical fiber sensing element.
As shown in fig. 1, a heat-generating conductor 101 is enclosed in an insulating layer 102, and the insulating layer 102 is polytetrafluoroethylene.
Specifically, the temperature sensing optical fiber 20 is used as an optical fiber sensing element, any point on the optical fiber is not only a sensitive unit, but also an information transmission channel of other sensitive units, so that the information of the spatial and temporal changes of the measured distribution along the optical fiber can be obtained, the traditional single-point measurement mode is broken through, the intelligent on-line monitoring of the temperature of the whole cable line is realized, the temperature rise of the cable is controllable, the line loss is reduced, and the operation safety of a power grid is improved; when the cable breaks down, easily seek the damage point, repair labour saving and time saving.
The heating conductor 101 is formed by twisting a plurality of filament carbon fibers in a closing manner, and then the plurality of filament carbon fibers are twisted to form a multi-filament carbon fiber rope, so that the twisting degree is higher, gaps exist between the strands, a loose gap aggregation state structure is formed, the surface temperature rise is lower, the thermal response time is shorter, the electrothermal effect is higher, the better heating effect of the heating cable is realized, and the service life of the cable is prolonged.
As shown in fig. 1, the optical fiber composite intelligent heating cable is further provided with a tape layer 40 and a shielding layer 50, wherein the tape layer 40 is disposed outside the heat conducting filling layer 30 and is wrapped in the shielding layer 50.
Specifically, the wrapping layer 40 is made of glass fiber, and is used for heat preservation and insulation, cable loosening prevention and cable tight and round arrangement; the shielding layer 40 is braided by tin-plated copper wires, and the tin-plated copper wires are braided and shielded, so that the effects of static electricity prevention and grounding maintenance are achieved, the thermal conductivity of the cable can be enhanced, and the heat transfer and heat dissipation effects are achieved.
As shown in fig. 1, the optical fiber composite intelligent heating cable is further provided with an outer sheath 60, wherein the outer sheath 60 is a heating cable outer layer and wraps the shielding layer 50.
Specifically, the outer sheath 60 is a halogen-free low-smoke flame-retardant polyolefin sheath, and is used for avoiding accidents of power supply safety such as electric leakage and short circuit of the cable.
Under the same power, in the traditional carbon fiber heating cable, the used carbon fiber heating cable adopts twisted carbon fiber bundles, and the whole bundles of fibers are integrally stranded after being twisted, so that the twisting degree is relatively low; the heating conductor 101 is formed by twisting a plurality of filament carbon fibers in a converging way, and then the strands are twisted to form a multi-strand filament carbon fiber rope, so that the twisting degree is higher, gaps exist among the strands, a loose gap aggregation state structure is formed, the surface temperature rise is lower, the thermal response time is shorter, the electrothermal effect is higher, the better heating effect of the heating cable is realized, and the service life of the cable is prolonged.
The temperature sensing optical fiber 20 is used as an optical fiber sensing element, any point on the temperature sensing optical fiber 20 is not only a sensitive unit, but also an information transmission channel of other sensitive units, so that the information of the spatial and temporal changes distributed along the optical fiber to be measured can be obtained, the traditional single-point measurement mode is broken through, the intelligent on-line monitoring of the temperature of the whole cable line is realized, the temperature rise of the cable is controllable, the line loss is reduced, and the running safety of a power grid is improved; when the cable breaks down, easily seek the damage point, repair labour saving and time saving.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. An optical fiber composite intelligent heating cable, comprising:
a carbon fiber insulated wire core (10) and a temperature sensing optical fiber (20);
the carbon fiber insulation wire core (10) comprises a heating conductor (101) and an insulation layer (102);
a heat conduction filling layer (30) is arranged between the carbon fiber insulating wire core (10) and the temperature sensing optical fiber (20);
the temperature sensing optical fiber (20) is connected with an optical fiber sensing system.
2. The fiber optic composite intelligent heating cable of claim 1, wherein the temperature sensing optical fiber (20) is a fiber optic sensing element.
3. The fiber optic composite smart heating cable of claim 2, wherein the heat-generating conductor (101) is encased within the insulating layer (102).
4. A fiber optic composite smart heating cable according to claim 3, wherein the insulating layer (102) is polytetrafluoroethylene.
5. The optical fiber composite intelligent heating cable according to claim 1, further comprising a tape layer (40) and a shielding layer (50), wherein the tape layer (40) is disposed outside the heat-conducting filling layer (30) and is wrapped in the shielding layer (50).
6. The fiber optic composite smart heating cable of claim 5, further comprising an outer jacket (60), wherein the outer jacket (60) is the heating cable outer layer and encloses the shielding layer (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968123.5U CN220235002U (en) | 2023-07-25 | 2023-07-25 | Optical fiber composite intelligent heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321968123.5U CN220235002U (en) | 2023-07-25 | 2023-07-25 | Optical fiber composite intelligent heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220235002U true CN220235002U (en) | 2023-12-22 |
Family
ID=89195399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321968123.5U Active CN220235002U (en) | 2023-07-25 | 2023-07-25 | Optical fiber composite intelligent heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220235002U (en) |
-
2023
- 2023-07-25 CN CN202321968123.5U patent/CN220235002U/en active Active
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