CN205389276U - Heating cable - Google Patents
Heating cable Download PDFInfo
- Publication number
- CN205389276U CN205389276U CN201620228780.XU CN201620228780U CN205389276U CN 205389276 U CN205389276 U CN 205389276U CN 201620228780 U CN201620228780 U CN 201620228780U CN 205389276 U CN205389276 U CN 205389276U
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- China
- Prior art keywords
- circuit conductor
- heating circuit
- layer
- heating cable
- electric heating
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Abstract
The utility model relates to a cable field, especially a heating cable, it includes: an insulating layer, the insulating layer comprises insulating material, the heating circuit conductor, the heating circuit conductor is provided with two -layerly at least with the circumference form, one deck heating circuit conductor is connected with positive at least, and one deck heating circuit conductor is connected with the power negative pole at least, is provided with at least one deck between the heating circuit conductor of adjacent layer the insulating layer, the restrictive coating, the restrictive coating sets up outmost the heating circuit conductor is outside, the fluid cavity, the fluid cavity is followed the heating cable axial or with axial direction parallel to the setting, be located in the restrictive coating for the circulation can the heat -conducting fluid, the fluid cavity is wrapped up by insulating material, the utility model discloses an invention aim at provides an even heating, fully dispels the heat, avoids the heating cable of the too high condition of the local temperature appearance.
Description
Technical field
This utility model relates to field of cables, and particularly one adds electric heating cable.
Background technology
Add electric heating cable and be mainly heating of living, plant culture, the electric wire of pipe insulation etc., adding electric heating cable is adopt single or many heating alloies to make thermal conductive insulator as pyrotoxin, high-purity, high temperature, electric smelting crystal magnesium oxide, seamless continuous rustless steel or copper pipe are as sheath, adopting special producing technique to be fabricated by, the place of deep-etching effect can the overcoat of additional PE or low smoke and zero halogen；
In actual use, add electric heating cable and there are some drawbacks, such as, when the heating cable arrangements at a place is excessively intensive time, easily occur that heat assembles situation about disperseing not open in a large number, easily cause local temperature too high, it is impossible to the use occasion that satisfied temperature uniformity requirement is high.
Utility model content
For prior art Problems existing, goal of the invention of the present utility model is in that to provide a kind of uniform heating, fully dispel the heat, avoid what the too high situation of local temperature occurred to add electric heating cable.
To achieve these goals, the technical solution adopted in the utility model is:
One adds electric heating cable, comprising:
Insulating barrier, described insulating barrier is made up of insulant；
Heating circuit conductor, described heating circuit conductor is provided with at least two-layer with circle-shaped, at least one of which heating circuit conductor is connected with positive source, and at least one of which heating circuit conductor is connected with power cathode, is provided with insulating barrier described at least one of which between the heating circuit conductor of adjacent layer；
Restrictive coating, described restrictive coating is arranged on outside outermost described heating circuit conductor；
Fluid cavity, described fluid cavity along described in add electric heating cable axially or and described axially in parallel to setting, be positioned at described restrictive coating, for circulation can heat-conducting fluid, described fluid cavity is by wrapped with insulation.
The application adds fluid cavity, by the fluid in fluid cavity, enables energy produced by heating circuit conductor to conduct in time equably, it is achieved uniformly heats, fully dispel the heat, it is prevented that the too high situation of local temperature of avoiding described in background technology occurs.
As preferred version of the present utility model, being provided with insulation tube in the described heating circuit conductor of innermost layer, described fluid cavity is the tube chamber of described insulation tube, is compared to and arranges fluid cavity between adjacent each Rotating fields at middle part, the technique of this mode is simpler, and cost is also lower.
As preferred version of the present utility model, described heating circuit conductor is provided with two-layer, one layer is the first heating circuit conductor, another layer is the second heating circuit conductor, second heating circuit conductor is positioned at outside the first heating circuit conductor, first heating circuit conductor and the second heating circuit conductor form loop at heating cable end short circuit, it is achieved heating.
As preferred version of the present utility model, being provided with electro-magnetic screen layer between described second heating circuit conductor and described restrictive coating, described electro-magnetic screen layer is made up of electromagnetic shielding material, and effectiveness is better.
As preferred version of the present utility model, being provided with type insulating wrapping strip between described electro-magnetic screen layer and described second heating circuit conductor, effectiveness is better.
As preferred version of the present utility model, described heating circuit conductor is made up of the resistance wire being wound around along heating cable axis circumference, more optimized structure, and scheme is simpler and easy, reduces cost.
As preferred version of the present utility model, described electro-magnetic screen layer is formed by metal wire knitted, and effectiveness is better.
As preferred version of the present utility model, described electro-magnetic screen layer includes two-layer, and one layer is formed by metal wire knitted, and another layer is made up of metal forming, and effectiveness is better.
As preferred version of the present utility model, described fluid is water, gas or high temperature oil.
Being made up of fluoroplastics and/or silicone rubber as preferred version of the present utility model, described insulation tube and insulating barrier, insulation effect is more preferably.
The beneficial effects of the utility model are:
Uniformly heat, fully dispel the heat, avoid the too high situation of local temperature to occur.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Labelling in figure: 1-electro-magnetic screen layer, 2-type insulating wrapping strip, 3-insulating barrier, 4-the first heating circuit conductor, 5-insulation tube, 6-the second heating circuit conductor, 7-restrictive coating.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, this utility model is described in further detail.But this should not being interpreted as, the scope of the above-mentioned theme of this utility model is only limitted to below example, and all technology realized based on summary of the invention of the present utility model belong to scope of the present utility model.
Embodiment 1
Such as Fig. 1, one adds electric heating cable, comprising:
Insulating barrier 3, described insulating barrier 3 is made up of insulant；
Heating circuit conductor, described heating circuit conductor is provided with at least two-layer with circle-shaped, at least one of which heating circuit conductor is connected with positive source, at least one of which heating circuit conductor is connected with power cathode, it is provided with insulating barrier 3 described at least one of which between the heating circuit conductor of adjacent layer, in the present embodiment, described heating circuit conductor is provided with two-layer, one layer is the first heating circuit conductor 4, another layer is the second heating circuit conductor 6, second heating circuit conductor 6 is positioned at outside the first heating circuit conductor 4, described heating circuit conductor is made up of the resistance wire being wound around along heating cable axis circumference；
Restrictive coating 7, described restrictive coating 7 is arranged on outside outermost described heating circuit conductor, it is provided with electro-magnetic screen layer 1 between described second heating circuit conductor 6 and described restrictive coating 7, described electro-magnetic screen layer 1 is made up of electromagnetic shielding material, it is provided with type insulating wrapping strip 2 between described electro-magnetic screen layer 1 and described second heating circuit conductor 6, in the present embodiment, described electro-magnetic screen layer 1 is formed by metal wire knitted；
Fluid cavity, described fluid cavity along described in add electric heating cable axially or and described axially in parallel to setting, it is positioned at described restrictive coating 7, can heat-conducting fluid for circulation, described fluid cavity is by wrapped with insulation, in the present embodiment, being provided with insulation tube 5 in the described heating circuit conductor of innermost layer, described fluid cavity is the tube chamber of described insulation tube 5.
In the present embodiment, described fluid is water or gas, and described insulation tube 5 and insulating barrier 3 are made up of (the present embodiment heating cable temperature is lower than the maximum operation (service) temperature of both materials) fluoroplastics and/or silicone rubber.
Embodiment 2
In the present embodiment, except the structure identical with in embodiment 1, different places are in that, described electro-magnetic screen layer 1 includes two-layer, and one layer is formed by metal wire knitted, and another layer is made up of metal forming, and described metal forming is in the inside of the layer of metal wire knitted；
Described fluid is high temperature oil, and the mode that described insulation tube 5 is combined inorganic insulating material by metal tube is constituted, and described inorganic insulating material is arranged on metal tube outer circumference face, and described insulating barrier 3 adopts inorganic insulating material to constitute, such as metal-oxide A12O3, MgO, ZnO, NiO, metal nitride AlN, Si3N4, BN, and SiC ceramic.This example is primarily adapted for use in the occasion that heating-up temperature is higher.
Claims (10)
1. add an electric heating cable, comprising:
Insulating barrier, described insulating barrier is made up of insulant；
Heating circuit conductor, described heating circuit conductor is provided with at least two-layer with circle-shaped, at least one of which heating circuit conductor is connected with positive source, and at least one of which heating circuit conductor is connected with power cathode, is provided with insulating barrier described at least one of which between the heating circuit conductor of adjacent layer；
Restrictive coating, described restrictive coating is arranged on outside outermost described heating circuit conductor；
Fluid cavity, described fluid cavity along described in add electric heating cable axially or and described axially in parallel to setting, be positioned at described restrictive coating, for circulation can heat-conducting fluid, described fluid cavity is by wrapped with insulation.
2. one according to claim 1 adds electric heating cable, it is characterised in that being provided with insulation tube in the described heating circuit conductor of innermost layer, described fluid cavity is the tube chamber of described insulation tube.
3. one according to claim 2 adds electric heating cable, it is characterised in that described heating circuit conductor is provided with two-layer, and one layer is the first heating circuit conductor, and another layer is the second heating circuit conductor, and the second heating circuit conductor is positioned at outside the first heating circuit conductor.
4. one according to claim 3 adds electric heating cable, it is characterised in that being provided with electro-magnetic screen layer between described second heating circuit conductor and described restrictive coating, described electro-magnetic screen layer is made up of electromagnetic shielding material.
5. one according to claim 4 adds electric heating cable, it is characterised in that be provided with type insulating wrapping strip between described electro-magnetic screen layer and described second heating circuit conductor.
6. one according to claim 5 adds electric heating cable, it is characterised in that described heating circuit conductor is made up of the resistance wire being wound around along heating cable axis circumference.
7. one according to claim 6 adds electric heating cable, it is characterised in that described electro-magnetic screen layer is formed by metal wire knitted.
8. one according to claim 6 adds electric heating cable, it is characterised in that described electro-magnetic screen layer includes two-layer, and one layer is formed by metal wire knitted, and another layer is made up of metal forming.
9. the one according to claim 7 or 8 adds electric heating cable, it is characterised in that described fluid is water, gas or high temperature oil.
10. one according to claim 9 adds electric heating cable, it is characterised in that described insulation tube and insulating barrier are made up of fluoroplastics and/or silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228780.XU CN205389276U (en) | 2016-03-23 | 2016-03-23 | Heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620228780.XU CN205389276U (en) | 2016-03-23 | 2016-03-23 | Heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205389276U true CN205389276U (en) | 2016-07-20 |
Family
ID=56376161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620228780.XU Active CN205389276U (en) | 2016-03-23 | 2016-03-23 | Heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205389276U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169829A (en) * | 2020-01-17 | 2020-05-19 | 辽宁华孚石油高科技股份有限公司 | Electric heating method and electric heating device for oil well oil storage tank |
| CN112946018A (en) * | 2021-02-10 | 2021-06-11 | 南京大学 | Synchronous measurement optical fiber sensor and method for thermal conductivity and specific heat capacity of rock-soil mass |
| CN112964385A (en) * | 2021-02-10 | 2021-06-15 | 南京大学 | Internal heating temperature measurement optical cable, optical cable assembly and soil body measurement method |
| US11956865B2 (en) | 2017-02-01 | 2024-04-09 | Nvent Services Gmbh | Low smoke, zero halogen self-regulating heating cable |
-
2016
- 2016-03-23 CN CN201620228780.XU patent/CN205389276U/en active Active
Cited By (5)
| 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 |
| CN111169829A (en) * | 2020-01-17 | 2020-05-19 | 辽宁华孚石油高科技股份有限公司 | Electric heating method and electric heating device for oil well oil storage tank |
| CN112946018A (en) * | 2021-02-10 | 2021-06-11 | 南京大学 | Synchronous measurement optical fiber sensor and method for thermal conductivity and specific heat capacity of rock-soil mass |
| CN112964385A (en) * | 2021-02-10 | 2021-06-15 | 南京大学 | Internal heating temperature measurement optical cable, optical cable assembly and soil body measurement method |
| CN112964385B (en) * | 2021-02-10 | 2022-06-03 | 南京大学 | Internal heating temperature measurement optical cable, optical cable assembly and soil body measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610000 new route 18, high tech Zone (West District), Chengdu, Sichuan Province Patentee after: Chengdu Siwei Technology Co.,Ltd. Address before: No. 18, Xinhang Road, High-tech Zone (West Area), Chengdu, Sichuan 611731 Patentee before: CHENGDU PUTIAN TELECOMMUNICATIONS CABLE CO.,LTD. |
|
| CP03 | Change of name, title or address |