CN106455159A - Single conductor heating cable - Google Patents
Single conductor heating cable Download PDFInfo
- Publication number
- CN106455159A CN106455159A CN201610760039.2A CN201610760039A CN106455159A CN 106455159 A CN106455159 A CN 106455159A CN 201610760039 A CN201610760039 A CN 201610760039A CN 106455159 A CN106455159 A CN 106455159A
- Authority
- CN
- China
- Prior art keywords
- heating
- heating cable
- layer
- earth lead
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 82
- 239000004020 conductor Substances 0.000 title abstract 5
- 239000000463 material Substances 0.000 claims abstract description 27
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 20
- 150000002367 halogens Chemical class 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract 4
- 239000004703 cross-linked polyethylene Substances 0.000 abstract 4
- 239000012774 insulation material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 27
- 230000001012 protector Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
Abstract
The invention discloses a single conductor heating cable. The single conductor heating cable comprises a semi-spherical metal heating core, a low-smoke zero-halogen crosslinked polyethylene insulating layer, a ground wire, a shielding layer and a PVC sheath which are arranged in sequence from inside to outside, wherein the semi-spherical metal heating core comprises a semi-spherical heating surface and a plane heating surface, the ground wire is positioned in the direction, close to the plane heating surface, of the semi-spherical metal heating core, the ground wire is arranged between the low-smoke zero-halogen crosslinked polyethylene insulating layer and the shielding layer, and the ground wire is fixedly connected to the outer surface of the low-smoke zero-halogen crosslinked polyethylene insulating layer or the inner surface of the shielding layer; two filling cavities are formed by encircling the low-smoke zero-halogen crosslinked polyethylene insulating layer, the shielding layer and the surface of the ground wire, and each filling cavity is filed with a thermal insulation material. According to the single conductor heating cable disclosed by the invention, flow guide and collection for the heat of the heating core are realized, the heat productivity of the single conductor heating cable which is the same as that of an entire circle of metal heating core is guaranteed by using fewer materials and less cost, and the using effect is good.
Description
Technical field
The present invention relates to heating cable technical field, more particularly to singly leads heating cable.
Background technology
In current heating cable, its structure is mainly based on line with heating function, single layer dielectrics, single-layer shield, and which insulate, screen
Covering effect not good enough, insufficient strength is good, and heat transfer rate being slow, overheat protector thermometric biography will be also in addition laid in work progress
Sensor, work progress complexity, and as job location area is big, overheat protector temperature transducer is layouted less, does not have excess temperature guarantor
The effect of shield, and fault rate height is done well as overheat protector temperature transducer is sealed in work progress, once damage will
Unrepairable, does not substitute, and exists that insulation, shield effectiveness not enough good, insufficient strength is good, biography in current heating cable construction
Thermal velocity is slow, the bad phenomenon of overheat protector.
In a kind of Novel heating cable of the Chinese utility model patent of Granted publication, CN203340324U, its disclosure
A kind of Novel heating cable, it is characterised in that a kind of Novel heating cable is that circular strip shoulder, inside has heating to close
Spun gold, not heating-wire, ground floor insulation, second layer insulation, overheat protector temperature transducer and lead, ground floor shielding, the
Two layers of shielding and ground wire, protection crust, have single guide structure and double guide structures, and double guide structures have an Exothermal Alloys silk to add one not
Heating-wire and two Exothermal Alloys silks, two kinds of forms, overheat protector temperature transducer and lead can arrange a plurality of, the second layer
Shielding and ground wire extend to both sides, have outward protection crust protection, form two flanks.Which solve presently, there are above-mentioned to ask
Topic, the heating cable has two-layer insulation, two-layer shielding, and increases intensity and radiating effect with flank, can singly lead knot
Multiple overheat protector temperature transducers are also combined together with heating cable, realize point protection by structure, or double guide structures
To the upgrading that face is protected, reduce difficulty of construction.But, the heating cable is in use, however it remains heating service efficiency
Beneath problem, and its consumptive material is many, and expensive, maintains difficult after installation, during coming into operation, power consumption is not
The reasons such as phenanthrene, make many people hope and draw back.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides singly leading heating cable, it is right to its object is to realize
The heat that heat generating core is obtained has carried out water conservancy diversion and has gathered, and improves the heating efficiency of heating cable.While need to only use less
Material and relatively low cost, it is ensured which has and whole circle metal heat generating core identical caloric value, and using effect is good, the supporting of later stage
Shield cost is relatively low.
The technical solution adopted in the present invention is：Heating cable is singly led, including the hemispherical gold for setting gradually from inside to outside
Category heat generating core, the crosslinked polyetylene insulated layer of low smoke and zero halogen, earth lead, screen layer and pvc sheath, wherein hemispherical metal heat generating core
Including hemispherical heating face and plane heating face, earth lead is located at direction of the hemispherical metal heat generating core near plane heating face
On, and earth lead is placed between the crosslinked polyetylene insulated layer of low smoke and zero halogen and screen layer, and earth lead is fixedly attached to
The outer surface of the crosslinked polyetylene insulated layer of low smoke and zero halogen or the inner surface of screen layer；The crosslinked polyetylene insulated layer of low smoke and zero halogen and
Screen layer surrounds two filled cavities with the surface of earth lead, and each filling intracavity is filled with heat-barrier material.
Further, the cross section of the outline of the crosslinked polyetylene insulated layer of low smoke and zero halogen be
The using effect of the crosslinked polyetylene insulated layer of the low smoke and zero halogen of shape structure, hemispherical configuration and rectangle structure is all preferable, in reality
In the work progress of border, cost is mainly considered, the using effect of two kinds of structures is similar.
Further, each filling intracavity is provided with 1-3 root heat-barrier material, it is ensured that heat-barrier material is in the making of heating cable
During technique relatively simple.
Further, heat-barrier material is the strip high-temperature insulation heat-barrier material being made up of ceramic fibre, its cross section
For circular or rectangle structure, the diameter of each heat-barrier material or the half that thickness is the diameter less than earth lead,
Ensure which has preferable effect of heat insulation, while which can be fully using some waste wood fillings, same energy in manufacturing process
Heat-insulated effect is played, cost is relatively low.
Further, singly lead after heating cable makes, its overall cross section towards the outline in plane heating face direction is
Irregular structure, it is ensured which can directly differentiate the heating face of heating cable and non-heating face in construction laying, with very
Good anti-misoperation effect.
Compared with prior art, the invention has the beneficial effects as follows：The present invention singly leads heating cable, initially with hemispherical
Metal heat generating core, saves the usage amount of heat generating core, reduces its manufacturing cost.And this singly leads heating cable, by earth lead
Be arranged at the plane heating face side of hemispherical heat generating core, the filling intracavity for then surrounding in earth lead and surrounding structure arrange every
Hot material, it is ensured that the heat that hemispherical metal heat generating core sends intensively from hemispherical heating face side out, is obtained to heat generating core
To heat carried out water conservancy diversion and gathering, improve the heating efficiency of heating cable.The present invention singly leads heating cable, using relatively
Few material and relatively low cost, it is ensured which has and whole circle metal heat generating core identical caloric value, using effect is good, the later stage
Maintenance cost relatively low.
Description of the drawings
Fig. 1 is the sectional view of the cross section of the one embodiment for singly leading heating cable；
Fig. 2 is the sectional view of another embodiment for singly leading heating cable；
Wherein：The hemispherical metal heat generating core of 1-, 11- hemispherical heating face, 12- plane heating face；2- low smoke and zero halogen is crosslinked poly- second
Alkene insulating barrier, 3- earth lead, 4- screen layer, 5-pvc sheath, 6- filled cavity, 7- heat-barrier material.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described with reference to the accompanying drawings and examples, the enforcement
Example is only used for explaining the present invention, protection scope of the present invention is not constituted and limits.
As shown in figure 1, singly lead heating cable, including set gradually from inside to outside hemispherical metal heat generating core 1, low cigarette no
The crosslinked polyetylene insulated layer 2 of halogen, earth lead 3, screen layer 4 and pvc sheath 5, wherein hemispherical metal heat generating core 1 include hemispherical
Heating face 11 and plane heating face 12, earth lead 3 is located at hemispherical metal heat generating core 1 on the direction that plane generates heat face 12,
And earth lead 3 is placed between the crosslinked polyetylene insulated layer 2 of low smoke and zero halogen and screen layer 4, and earth lead 3 is fixedly attached to
The outer surface of the crosslinked polyetylene insulated layer 2 of low smoke and zero halogen or the inner surface of screen layer 4；The crosslinked polyetylene insulated layer of low smoke and zero halogen
2 and screen layer 4 surround two filled cavities 6 with the surface of earth lead 3, be filled with heat-barrier material 7 in each filled cavity 6.
In the above-described embodiments, the cross section of the outline of the crosslinked polyetylene insulated layer 2 of low smoke and zero halogen is hemispherical configuration
Or rectangle structure, the using effect of the crosslinked polyetylene insulated layer of the low smoke and zero halogen of hemispherical configuration and rectangle structure is all relatively
Good, during practice of construction, mainly consider cost, the using effect of two kinds of structures is similar.
In the above-described embodiments, in each filled cavity 6,1-3 root heat-barrier material 7 is provided with, it is ensured that heat-barrier material is in heating electric
In the manufacturing process of cable, technique is relatively simple.
In the above-described embodiments, heat-barrier material 7 is the strip high-temperature insulation heat-barrier material being made up of ceramic fibre, its
Cross section is circular or rectangle structure, the diameter of each heat-barrier material 7 or thickness be less than the diameter of earth lead 3
Half, it is ensured which has preferable effect of heat insulation, at the same its in manufacturing process can fully using the filling of some waste wood,
Heat-insulated effect can be equally played, cost is relatively low.
In the above-described embodiments, singly lead after heating cable makes, its overall cross section is towards plane heating 12 direction of face
Outline is irregular structure, it is ensured which can directly differentiate the heating face of heating cable and non-heating in construction laying
Face, with good anti-misoperation effect.
Above-mentioned singly lead heating cable, in manufacturing process, only need to by one whole metal heat generating core be processed into two hemispherical
Metal heat generating core, wraps up insulating barrier, laying earth lead afterwards thereon and is socketed screen layer 4 and pvc sheath 5, connect in laying
Bonding heat-barrier material is needed after ground wire, and whole technical process is relatively simple.And low cost, finally ensure that the list of the present invention
Lead heating cable and there is relatively low cost.
The present invention singly leads heating cable, initially with hemispherical metal heat generating core, saves the usage amount of heat generating core, drop
Its manufacturing cost low.And this singly leads heating cable, earth lead 3 is arranged at the plane heating face 12 1 of hemispherical heat generating core
Side, then arranges heat-barrier material 7 in the filling intracavity that earth lead and surrounding structure are surrounded, it is ensured that hemispherical metal heat generating core sends
Heat intensively from hemispherical heating face side out, heat that heat generating core is obtained has carried out water conservancy diversion and has gathered, and improves
The heating efficiency of heating cable.The present invention singly leads heating cable, using less material and relatively low cost, it is ensured that its tool
Have and whole circle metal heat generating core identical caloric value, using effect is good, and the maintenance cost in later stage is relatively low.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as without departing from this
The spirit of invention, all within the scope of the present invention.
Claims (5)
1. heating cable is singly led, it is characterised in that：Including the hemispherical metal heat generating core for setting gradually from inside to outside（1）, low cigarette
The crosslinked polyetylene insulated layer of Halogen（2）, earth lead（3）, screen layer（4）With pvc sheath（5）, wherein hemispherical metal heat generating core
（1）Including hemispherical heating face（11）With plane heating face（12）, the earth lead（3）Positioned at hemispherical metal heat generating core（1）
Near plane heating face（12）Direction on, and earth lead（3）It is placed in the crosslinked polyetylene insulated layer of low smoke and zero halogen（2）With shielding
Layer（4）Between, and the earth lead（3）It is fixedly attached to the crosslinked polyetylene insulated layer of low smoke and zero halogen（2）Outer surface or
Person's screen layer（4）Inner surface；
The crosslinked polyetylene insulated layer of the low smoke and zero halogen（2）And screen layer（4）With earth lead（3）Surface surround two filled cavities
（6）, each described filled cavity（6）Heat-barrier material is inside filled with（7）.
2. according to claim 1 heating cable is singly led, it is characterised in that：The crosslinked polyetylene insulated layer of the low smoke and zero halogen
（2）The cross section of outline be hemispherical configuration or rectangle structure.
3. according to claim 1 heating cable is singly led, it is characterised in that：Each filled cavity（6）Inside be provided with 1-3 root every
Hot material（7）.
4. according to claim 3 heating cable is singly led, it is characterised in that：The heat-barrier material（7）Be by ceramic fibre
The strip high-temperature insulation heat-barrier material that makes, its cross section is circular or rectangle structure, each heat-insulated material
Material（7）Diameter or thickness be less than earth lead（3）Diameter half.
5. according to claim 1 heating cable is singly led, it is characterised in that：Singly lead after heating cable makes, which is overall horizontal
Section is towards plane heating face（12）The outline in direction is irregular structure, it is ensured which directly can divide in construction laying
Distinguish the heating face of heating cable and non-heating face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760039.2A CN106455159A (en) | 2016-08-30 | 2016-08-30 | Single conductor heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610760039.2A CN106455159A (en) | 2016-08-30 | 2016-08-30 | Single conductor heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106455159A true CN106455159A (en) | 2017-02-22 |
Family
ID=58090126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610760039.2A Pending CN106455159A (en) | 2016-08-30 | 2016-08-30 | Single conductor heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106455159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043493A (en) * | 2017-04-07 | 2017-08-15 | 安徽省无为县经纬电缆附件有限公司 | A kind of heating cable protective cover material of good heat preservation performance |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103876U (en) * | 2011-06-22 | 2012-01-04 | 张家港特恩驰电缆有限公司 | Modified structure of single conductor heating cable |
| CN206100504U (en) * | 2016-08-30 | 2017-04-12 | 江苏鹏申高温线缆有限公司 | Singly lead electric heating cable |
-
2016
- 2016-08-30 CN CN201610760039.2A patent/CN106455159A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103876U (en) * | 2011-06-22 | 2012-01-04 | 张家港特恩驰电缆有限公司 | Modified structure of single conductor heating cable |
| CN206100504U (en) * | 2016-08-30 | 2017-04-12 | 江苏鹏申高温线缆有限公司 | Singly lead electric heating cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
| CN107043493A (en) * | 2017-04-07 | 2017-08-15 | 安徽省无为县经纬电缆附件有限公司 | A kind of heating cable protective cover material of good heat preservation performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |