CN103813491A - Hidden-joint heating cable - Google Patents
Hidden-joint heating cable Download PDFInfo
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- CN103813491A CN103813491A CN201210454227.4A CN201210454227A CN103813491A CN 103813491 A CN103813491 A CN 103813491A CN 201210454227 A CN201210454227 A CN 201210454227A CN 103813491 A CN103813491 A CN 103813491A
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- heating cable
- cold
- line
- insulating barrier
- hot line
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Abstract
The invention discloses a hidden-joint heating cable. The heating cable comprises a cold wire and a hot wire. The outer side of the hot wire is covered with a high-temperature resistance layer, an insulation layer, a shielding layer and a protection layer successively. The outer side of the cold wire is covered with an insulation layer, a shielding layer and a protection layer successively. The cold wire and the hot wire are fixedly connected through brazing. According to the heating cable, the cold and hot wires in the heating cable are connected through a brazing mode, the contact resistance at the joint is small, the appearance is smooth and attractive, the strength is high, the usage safety of the heating cable is improved, the service life is long, and the heating cable is easy to mount.
Description
Technical field
The present invention relates to a kind of cable, be specifically related to a kind of heating cable of recessive joint.
Technical background
Heating cable is just to have entered in recent years a kind of of China to warm up take the electricity that can generate heat after object, energising that heats, and is electric heating product.Joined by cold line and hot line, wherein, hot line is made up of parts such as heating-wire, insulating barrier, ground shield and outer jackets.Outside is made up of insulating barrier, ground connection, screen and oversheath, after heating cable energising, hot line heating, and move between the temperature of 40～60 ℃, be embedded in the heating cable in packed layer, the mode of heat energy being conducted to (convection current) by heat is passed to heated body with the far-infrared radiation mode of the 7-14um sending.
The kind of heating cable is a lot, existingly singly leads, two heating cable of leading, and also has the special temperature of the limit certainly heating cable of pipeline tracing.Its application places is very extensive, both can be used as the main heating equipment of building, also can be used as the warm ground equipment that improves comfort level, can also be applied in the fields such as industrial or agricultural, is the antifreeze companion's heat of the equipment such as tank body, pipeline.
The cold and hot wire terminal of heating cable is the key factor that affects its quality and useful life.The cold and hot line of the heating cable on existing market adopts the explicit joint style that has of artificial splicing or spot welding to connect, seal at its outer heat-shrink tube that adopts, production technology falls behind, hidden danger and fault are more, and the joint diameter of explicit joint excessive (about 10-20mm) contact resistance is large, lower can local overheating while making state; Waterproof and Insulation Problems are also unvanquishable difficult problems simultaneously, are also not easy to heating cable construction and lay.At present also there is the recessive joint of having invented a kind of cold and hot line, though it has overcome the shortcoming of explicit joint, but also have the problems such as resistance to elevated temperatures is bad, frangibility.
Summary of the invention
The present invention is directed to problems of the prior art, a kind of high temperature resistant, heating cable with invisible joint of frangibility is not provided.
In order to achieve the above object, the present invention realizes by following technical proposal:
A heating cable for recessive joint, comprises cold line and hot line, and described hot line wraps and is provided with high-temperature-resistant layer, insulating barrier, screen, protective layer successively outward; Described cold line wraps and is provided with insulating barrier, screen, protective layer successively outward; Described hot line is fixedly connected with by soldering with cold line.
Described hot line carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line.
Described high-temperature-resistant layer is that the copolymer (F46) of tetrafluoroethene and hexafluoropropylene is made.
Described insulating barrier is to be made up of silicon rubber or igelite.
Described screen is multiple film aluminum foil material, multiple film copper foil material or braiding copper mesh.
Described silicon rubber comprises dimethyl silicone rubber, methylfluorosilicone rubber, trifluoro propyl fluorosioloxane rubber or vinyl fluoride silicon rubber.
Cold line of the present invention and hot line adopt the mode of soldering to carry out implicit expression joint, and whole heating cable is all by streamline one-shot forming, once produces high-quality finished product, without manually splicing again.So no matter the present invention from waterproof or electrical safety, has more improved the reliability and safety of product, makes the failure rate of product almost nil.
At the outer F46 sheath that is surrounded by of hot line, make the heat of heater even, and improve heating cable bending and pliability.
Because silicon rubber has tasteless nontoxic, be not afraid of high temperature and resist the feature of severe cold, in the time of 300 ℃ and-90 ℃, still do not lose original intensity and elasticity.Silicon rubber also has good electrical insulating property, oxytolerant ageing resistance, fast light ageing resistance and mildew resistance, chemical stability etc.So inner insulating layer can prevent heating wire excess Temperature in the present invention, can not make this insulating barrier softening or aging, cause the danger that easily punctures insulating barrier because of overload current.Guarantee the safe handling of heating cable.
In the present invention, adopt ground wire and the screen being formed by multiple film aluminium foil, multiple film Copper Foil or braiding copper mesh, to installation control, the earth leakage protective of heating cable, provide more reliable safety assurance.
So the present invention has following beneficial effect than prior art:
1, in heating cable of the present invention, cold and hot line adopts method for welding brazing, and its joint contact resistance is little, and smooth surface is attractive in appearance, and intensity is high;
2, improve the safety in utilization of heating cable, long service life;
3, in heating cable of the present invention cold and hot line owing to being recessive welding, its volume and be easy to install;
4, temperature-resistant insulation layer is to be made up of F46 plastics, and the insulating barrier that silicon rubber is made has insulation and resistant to elevated temperatures effect, and the high temperature that it can bear more than 260 degree has improved the resistance to elevated temperatures of heating cable;
5, screen is to be made up of multiple film aluminum foil material, multiple film copper foil material or braiding copper mesh, has improved the pliability of cable, makes that cable is also little in reciprocal bending easily to fracture.
Accompanying drawing explanation:
Fig. 1: structural representation of the present invention;
In figure, 1-protective layer, 2-screen, 3-insulating barrier, 4-high-temperature-resistant layer, 5-hot line, 6-cold line.
Embodiment:
Provide embodiment below so that the present invention is specifically described; be necessary to be pointed out that at this following examples are only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field some nonessential improvement that content is made the present invention according to the present invention and adjustment still belong to protection scope of the present invention.
As shown in Figure 1, a kind of heating cable of recessive joint, comprises cold line 6 and hot line 5, and the outer bag successively of described hot line 5 is provided with high-temperature-resistant layer 4, insulating barrier 3, screen 2, protective layer 1; The outer bag successively of described cold line 6 is provided with insulating barrier 3, screen 2, protective layer 1; Described hot line 5 carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line 6.The copolymer (F46) that described high-temperature-resistant layer 4 is tetrafluoroethene and hexafluoropropylene is made, and described insulating barrier 3 is to be made up of igelite, and described screen is that multiple film aluminum foil material is made.
A heating cable for recessive joint, comprises cold line 6 and hot line 5, and the outer bag successively of described hot line 5 is provided with high-temperature-resistant layer 4, insulating barrier 3, screen 2, protective layer 1; The outer bag successively of described cold line 6 is provided with insulating barrier 3, screen 2, protective layer 1; Described hot line 5 carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line 6.The copolymer (F46) that described high-temperature-resistant layer 4 is tetrafluoroethene and hexafluoropropylene is made, and described insulating barrier 3 is to be made up of dimethyl silicone rubber, and described screen is that multiple film copper foil material is made.
A heating cable for recessive joint, comprises cold line 6 and hot line 5, and the outer bag successively of described hot line 5 is provided with high-temperature-resistant layer 4, insulating barrier 3, screen 2, protective layer 1; The outer bag successively of described cold line 6 is provided with insulating barrier 3, screen 2, protective layer 1; Described hot line 5 carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line 6.The copolymer (F46) that described high-temperature-resistant layer 4 is tetrafluoroethene and hexafluoropropylene is made, and described insulating barrier 3 is to be made up of methylfluorosilicone rubber, and described screen is made for weaving copper mesh.
A heating cable for recessive joint, comprises cold line 6 and hot line 5, and the outer bag successively of described hot line 5 is provided with high-temperature-resistant layer 4, insulating barrier 3, screen 2, protective layer 1; The outer bag successively of described cold line 6 is provided with insulating barrier 3, screen 2, protective layer 1; Described hot line 5 carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line 6.The copolymer (F46) that described high-temperature-resistant layer 4 is tetrafluoroethene and hexafluoropropylene is made, and described insulating barrier 3 is to be made up of trifluoro propyl fluorosioloxane rubber, and described screen is that multiple film aluminum foil material is made.
A heating cable for recessive joint, comprises cold line 6 and hot line 5, and the outer bag successively of described hot line 5 is provided with high-temperature-resistant layer 4, insulating barrier 3, screen 2, protective layer 1; The outer bag successively of described cold line 6 is provided with insulating barrier 3, screen 2, protective layer 1; Described hot line 5 carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line 6.The copolymer (F46) that described high-temperature-resistant layer 4 is tetrafluoroethene and hexafluoropropylene is made, and described insulating barrier 3 is to be made up of vinyl fluoride silicon rubber, and described screen is that multiple film aluminum foil material is made.
In heating cable of the present invention, cold and hot line adopts method for welding brazing, and its joint contact resistance is little, and smooth surface is attractive in appearance, and intensity is high, improves the safety in utilization of heating cable, long service life, and be easy to install.
Claims (6)
1. a heating cable for recessive joint, comprises cold line and hot line, it is characterized in that: described hot line wraps and is provided with high-temperature-resistant layer, insulating barrier, screen, protective layer successively outward; Described cold line wraps and is provided with insulating barrier, screen, protective layer successively outward; Described hot line is fixedly connected with by soldering with cold line.
2. the heating cable of recessive joint according to claim 1, is characterized in that: described hot line carries out soldering and is fixedly connected with in aerobic atmosphere by filamentary silver with cold line.
3. the heating cable of recessive joint according to claim 1, is characterized in that: described high-temperature-resistant layer is that the copolymer (F46) of tetrafluoroethene and hexafluoropropylene is made.
4. the heating cable of recessive joint according to claim 1, is characterized in that: described insulating barrier is to be made up of silicon rubber or igelite.
5. the heating cable of recessive joint according to claim 1, is characterized in that: described screen is multiple film aluminum foil material, multiple film copper foil material or braiding copper mesh.
6. the heating cable of recessive joint according to claim 4, is characterized in that: described silicon rubber comprises dimethyl silicone rubber, methylfluorosilicone rubber, trifluoro propyl fluorosioloxane rubber or vinyl fluoride silicon rubber.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454227.4A CN103813491A (en) | 2012-11-13 | 2012-11-13 | Hidden-joint heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454227.4A CN103813491A (en) | 2012-11-13 | 2012-11-13 | Hidden-joint heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103813491A true CN103813491A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210454227.4A Pending CN103813491A (en) | 2012-11-13 | 2012-11-13 | Hidden-joint heating cable |
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| Country | Link |
|---|---|
| CN (1) | CN103813491A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304203A (en) * | 2015-11-24 | 2016-02-03 | 天津朗兴电线电缆有限公司 | Cable |
| CN105856639A (en) * | 2016-05-23 | 2016-08-17 | 长葛市恒瑞电瓷电器有限公司 | Insulation bushing |
| CN109661046A (en) * | 2017-10-11 | 2019-04-19 | 新疆斯伟达热控设备技术有限公司 | A kind of implicit connector |
| US11785675B2 (en) | 2018-09-02 | 2023-10-10 | Schluter Systems L.P. | Surface heating assembly and related methods |
-
2012
- 2012-11-13 CN CN201210454227.4A patent/CN103813491A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105304203A (en) * | 2015-11-24 | 2016-02-03 | 天津朗兴电线电缆有限公司 | Cable |
| CN105856639A (en) * | 2016-05-23 | 2016-08-17 | 长葛市恒瑞电瓷电器有限公司 | Insulation bushing |
| CN109661046A (en) * | 2017-10-11 | 2019-04-19 | 新疆斯伟达热控设备技术有限公司 | A kind of implicit connector |
| US11785675B2 (en) | 2018-09-02 | 2023-10-10 | Schluter Systems L.P. | Surface heating assembly and related methods |
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| C06 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |