CN219999627U - High-temperature-resistant heating cable - Google Patents
High-temperature-resistant heating cable Download PDFInfo
- Publication number
- CN219999627U CN219999627U CN202321257937.8U CN202321257937U CN219999627U CN 219999627 U CN219999627 U CN 219999627U CN 202321257937 U CN202321257937 U CN 202321257937U CN 219999627 U CN219999627 U CN 219999627U
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- Prior art keywords
- heating
- resistant
- heat
- cable
- conductor
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 94
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 22
- 239000004917 carbon fiber Substances 0.000 claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 3
- 239000011241 protective layer Substances 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000011295 pitch Substances 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables, in particular to a high-temperature-resistant heating cable, which comprises a heat-resistant cable core, wherein the heat-resistant cable core comprises two heat-resistant cable cores which are arranged in parallel, each heat-resistant cable core sequentially comprises a conductor and an inner fire-resistant belt from inside to outside, the outer side of each heat-resistant cable core is sequentially wrapped with an inner sheath, a heating layer, an insulating layer and an outer sheath, each heating layer comprises heating sections which are arranged at equal pitches, each heating section comprises a carbon fiber heating wire, and two ends of each carbon fiber heating wire are respectively in contact with two conductors. This cable improves heating efficiency through the heating festival that the equidistant set up, and a plurality of heating festival parallelly connected settings adopt the heating festival to improve the life of cable when realizing cable heating.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-temperature-resistant heating cable.
Background
In winter in the north, the weather is cold, snow cannot be cleared timely, the snow is easy to freeze and accumulate, the load of the load is increased, and further the damage is easy to form, so that heating cables are required for heating in order to avoid the dangerous occurrence, and excessive snow accumulation and icing accumulation are avoided. If the roof of the house keeps the gutter unobstructed, snow on the roof is melted and drained in time, the phenomenon of icing is prevented, the phenomena of deformation, water seepage, even cracks and the like of the roof due to excessively thick snow on the roof can be avoided while the function of the building is not affected, the corrosion to the structure and the support of the building in a humid environment for a long time can be reduced, the building is prevented from forming a ice-suspension, and the danger of injury and the like caused by falling of the ice-suspension of a high-rise building are avoided.
The existing common heating cable is heated by adopting metal wires, the metal wire heating cable is easy to age and corrode after long-term use, the service life is not long, the service life is usually 1-3 years, the heating efficiency of the cable is greatly reduced, and meanwhile, the damage to people is easy to cause due to the low heat conversion rate, high starting current, high electromagnetic radiation and the like of the metal wire heating cable; for example, a high temperature resistant induction heating cable of publication No. CN104812113A, which comprises a plurality of wires, is heated by the wires.
Disclosure of Invention
Therefore, the utility model aims to provide a high-temperature-resistant heating cable so as to solve the problem that the service life of the cable is not long while the cable can be heated.
Based on the above object, the utility model provides a high-temperature-resistant heating cable, which comprises a heat-resistant cable core, wherein the heat-resistant cable core comprises two heat-resistant cable cores which are arranged in parallel, the heat-resistant cable cores sequentially comprise a conductor and an inner fire-resistant belt from inside to outside, the outer side of the heat-resistant cable core is sequentially wrapped with an inner sheath, a heating layer, an insulating layer and an outer sheath, the heating layer comprises heating sections which are arranged at equal pitches, the heating sections comprise carbon fiber heating wires, and two ends of the carbon fiber heating wires are respectively in contact with the two conductors.
Alternatively, two of the conductors are placed in parallel with a 1.5mm spacing.
Optionally, the inner sheath is provided with a plurality of pairs of through grooves matched with the heating sections, and two ends of the carbon fiber heating wire respectively penetrate through the two through grooves to be in contact with the conductor.
Optionally, be provided with the inoxidizing coating between insulating layer with the oversheath, the inoxidizing coating outside equiangular fixation is provided with a plurality of restriction archs, the oversheath inside wall is provided with holds the bellied holding tank of restriction, the protruding both sides of restriction all pass through elastic spring with the oversheath inside wall is connected.
Optionally, the conductor is a fifth copper conductor or a fifth tin-plated copper conductor.
Optionally, the inner refractory belt and the insulating layer are both made of ceramic silicon rubber belts.
Optionally, the inner sheath is a ceramic silicone rubber sheath.
Optionally, the outer sheath is an aluminum pipe sleeve.
The utility model has the beneficial effects that: according to the high-temperature-resistant heating cable provided by the utility model, the heating efficiency is improved through the heating sections arranged at equal pitches, the heating sections are arranged in parallel, and the service life of the cable is prolonged when the heating sections are used for realizing heating of the cable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. a conductor; 2. an inner refractory belt; 3. an inner sheath; 4. a heating layer; 5. an insulating layer; 6. an outer sheath; 7. a through groove; 8. carbon fiber heating wire.
Detailed Description
The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, a high temperature resistant heating cable comprises a heat resistant cable core, wherein the heat resistant cable core comprises two heat resistant cable cores which are arranged in parallel, the heat resistant cable core sequentially comprises a conductor 1 and an inner fire-resistant belt 2 from inside to outside, an inner sheath 3, a heating layer 4, an insulating layer 5 and an outer sheath 6 are sequentially wrapped on the outer side of the heat resistant cable core, the heating layer 4 comprises heating sections which are arranged at equal pitches, the heating sections comprise carbon fiber heating wires 8, and two ends of each carbon fiber heating wire 8 are respectively in contact with the two conductors 1.
This cable improves heating efficiency through the heating festival that the equidistant set up, and a plurality of heating festival parallelly connected settings adopt the heating festival to improve the life of cable when realizing cable heating.
The carbon fiber heating wire 8 is wound on the surface of the silicon rubber sheath at a certain pitch, the carbon fiber heating wire 8 is used for heating so as to prolong the service life of the heating cable, improve the heating efficiency of the cable, achieve the effect of energy conservation, the carbon fiber heating wire 8 is a full blackbody material, the electrothermal conversion efficiency is improved by about 30% compared with metal heating, the electrothermal efficiency of the carbon fiber heating wire 8 is about more than 98%, the energy conservation and electricity conservation are realized, the density of the carbon fiber heating wire 8 is less than that of aluminum, and the weight of the heating cable is effectively reduced.
The distance between the two conductors is about 1.5mm and the conductors are arranged in parallel.
The inner sheath 3 is provided with a plurality of pairs of through grooves 7 matched with the heating joints, two ends of the carbon fiber heating wire 8 respectively penetrate through the two through grooves 7 to be in contact with the conductor 1, the carbon fiber heating wire 8 is wrapped on the surface of the inner sheath 3 at a certain pitch, one side of the surface of the inner sheath 3 is grooved so that the carbon fiber heating wire 8 is in contact with one conductor, the other side of the inner sheath 3 is grooved according to the length of the carbon fiber heating wire 8 so that the other end of the carbon fiber heating wire 8 is in contact with the other conductor, so that the carbon fiber heating wire 8 forms a load between the two conductors 1, and the load is a heating unit.
The insulating layer 5 with be provided with the inoxidizing coating between the oversheath 6, the inoxidizing coating outside constant angle is fixed to be provided with a plurality of restriction archs, oversheath 6 inside wall is provided with and holds the bellied holding tank of restriction, the protruding both sides of restriction all through elastic spring with oversheath 6 inside wall is connected, and holding tank opening chamfer handles, and the setting of restriction arch and holding tank is convenient for reduce cable torsion's possibility, and elastic spring is convenient for after cable torsion, and the restriction is protruding probably not in the holding tank this moment, and elastic spring moves the restriction arch into the holding tank as far as possible.
The conductor 1 is a fifth copper conductor or a fifth tinned copper conductor, the conductor 1 is bunched and twisted by adopting a wire bunching machine with the pitch diameter ratio not more than twenty-five times, and the conductor 1 is flexibly arranged.
The inner fire-resistant belt 2 and the insulating layer 5 are made of ceramic silicon rubber belts, the inner fire-resistant belt 2 wraps the conductor 1 to improve the working temperature of the cable conductor 1, the heat resistance and the insulating performance of the cable, and the insulating layer 5 wraps the heating layer 4 to improve the insulativity and the heat resistance of the surface of the heating layer 4.
The inner sheath 3 is a ceramic silicon rubber sheath so as to improve the heat resistance of the cable, the ceramic silicon rubber sheath is extruded on the surface of the inner fire-resistant belt 2, and the appearance of the extruded inner sheath 3 can be round or semicircular.
The outer sheath 6 is an aluminum tube sleeve, and the outer surface of the insulating layer 5 is packaged by adopting a seamless aluminum tube sleeve so as to improve the waterproof property of the cable, and meanwhile, the heat dissipation property of the cable is increased, and the aluminum tube sleeve is produced in an argon arc welding mode so as to achieve the seamless and tight contact effect.
Based on the embodiment, the cable has large length and high heating temperature, the surface of the aluminum pipe can reach about 220 ℃, the phenomenon that the length of a common heating cable is not large is overcome, the common heating cable is only tens of meters long, the surface temperature of the common heating cable is less than 100 ℃, the heating cable can reach more than 50 meters, and the surface temperature of the common heating cable can reach more than 200 ℃.
The cable has the characteristics of large length, high heating temperature, light weight, high heating efficiency, energy conservation, high waterproof performance, long service life and the like.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a high temperature resistant heating cable, its characterized in that, includes heat-resistant cable core, heat-resistant cable core includes two heat-resistant sinle silk that are parallel to each other, heat-resistant sinle silk includes conductor (1) and interior fire-resistant area (2) from interior to exterior in proper order, the heat-resistant cable core outside has wrapped gradually inner sheath (3), zone of heating (4), insulating layer (5) and oversheath (6), zone of heating (4) include the heating festival that the equidistant set up, the heating festival includes carbon fiber heater (8), carbon fiber heater (8) both ends respectively with two conductor (1) contact setting.
2. A high temperature resistant heating cable according to claim 1, characterized in that two of the conductors (1) are placed in parallel at a distance of 1.5 mm.
3. The high-temperature-resistant heating cable according to claim 1, wherein the inner sheath (3) is provided with a plurality of pairs of through grooves (7) which are matched with the heating sections, and two ends of the carbon fiber heating wire (8) respectively penetrate through the two through grooves (7) to be in contact with the conductor (1).
4. The high-temperature-resistant heating cable according to claim 1, wherein a protective layer is arranged between the insulating layer (5) and the outer sheath (6), a plurality of limiting protrusions are fixedly arranged on the outer side of the protective layer at equal angles, accommodating grooves for accommodating the limiting protrusions are formed in the inner side wall of the outer sheath (6), and two sides of the limiting protrusions are connected with the inner side wall of the outer sheath (6) through elastic springs.
5. A high temperature resistant heating cable according to claim 1, characterized in that the conductor (1) is a fifth type of copper conductor (1) or a fifth type of tin-plated copper conductor (1).
6. A high temperature resistant heating cable according to claim 1, characterized in that the material of the inner fire resistant tape (2) and the insulating layer (5) is a ceramic silicone tape.
7. A high temperature resistant heating cable according to claim 1, characterized in that the inner sheath (3) is a ceramic silicone rubber sheath.
8. A high temperature resistant heating cable according to claim 1, characterized in that the outer sheath (6) is an aluminium tube sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257937.8U CN219999627U (en) | 2023-05-23 | 2023-05-23 | High-temperature-resistant heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257937.8U CN219999627U (en) | 2023-05-23 | 2023-05-23 | High-temperature-resistant heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219999627U true CN219999627U (en) | 2023-11-10 |
Family
ID=88604035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321257937.8U Active CN219999627U (en) | 2023-05-23 | 2023-05-23 | High-temperature-resistant heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219999627U (en) |
-
2023
- 2023-05-23 CN CN202321257937.8U patent/CN219999627U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |