CN212086523U - Series constant-power electric tracing band - Google Patents
Series constant-power electric tracing band Download PDFInfo
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- CN212086523U CN212086523U CN202020696045.8U CN202020696045U CN212086523U CN 212086523 U CN212086523 U CN 212086523U CN 202020696045 U CN202020696045 U CN 202020696045U CN 212086523 U CN212086523 U CN 212086523U
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- electric tracing
- power electric
- tracing band
- mica tape
- core
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Abstract
The utility model provides a series connection constant power electric tracing area, include the cable core that sets gradually by interior to exterior, first mica tape around the covering, tinned copper wire weaving layer and insulating heat conduction restrictive coating, the cable core includes two sinle silks of symmetrical arrangement and fills at two sinle silks and the packing of first mica tape between the covering, the packing core length direction along the line extends, be equipped with the tensile core rope that extends along sinle silk length direction on the packing, the sinle silk includes the heating conductor that sets gradually by interior to exterior, alkali-free glass fiber cloth weaving layer and second mica tape around the covering. The utility model provides a pair of series connection constant power electric tracing area has better insulating nature and heat conductivity, tear resistance, has improved heat tracing speed and heat tracing effect.
Description
Technical Field
The utility model relates to an electric tracing band technical field, concretely relates to series connection constant power electric tracing band.
Background
The series electric tracing band is a special cable which generates heat after being heated by electric energy, and is widely applied to industries such as petroleum, chemical engineering, medicine, food and the like at present for heat preservation, freeze prevention and constant temperature control. The principle is that when the core wire passes through a large current, joule heat is generated by the core wire, so that the effect of generating electric tracing heat is realized.
However, the prior art serial electric tracing band structure has poor heat tracing effect, low heat tracing speed and poor fire resistance.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a series connection constant power electric tracing area.
The utility model provides a series constant-power electric tracing band, which comprises a cable core, a first mica tape wrapping layer, a tinned copper wire weaving layer and an insulating heat-conducting sheath layer which are arranged from inside to outside in sequence,
the cable core comprises two symmetrically arranged cable cores and a filling part filled between the two cable cores and the first mica tape wrapping layer, the filling part extends along the length direction of the cable cores, and the filling part is provided with a tensile cable core extending along the length direction of the cable cores;
the sinle silk includes heating conductor, alkali-free glass fiber cloth weaving layer and the second mica tape that sets gradually from inside to outside around the covering.
Preferably, the filling piece is provided with at least one buffering through groove extending along the length direction of the wire core.
Preferably, the number of the buffer through grooves is two, and the two buffer through grooves are symmetrically arranged on the filling piece.
Preferably, the filling member is made of heat conductive and insulating silicone rubber.
Preferably, the tensile core rope is a high temperature resistant twisted aramid rope.
The utility model provides a pair of series connection constant power electric tracing area has better insulating nature and heat conductivity, tear resistance, has improved heat tracing speed and heat tracing effect.
Drawings
Fig. 1 is a schematic structural view of a series constant power electric tracing band according to the present invention.
Description of reference numerals:
1-heating conductor 2-alkali-free glass fiber cloth braided layer 3-second mica tape lapping layer 4-filling piece 5-first mica tape lapping 6-tinned copper wire braided layer 7-insulating heat-conducting sheath layer 8-tensile core rope
Detailed Description
Referring to fig. 1, the utility model provides a series constant power electric tracing band, which comprises a cable core, a first mica tape wrapping layer 5, a tinned copper wire braid layer 6 and an insulating heat-conducting sheath layer 7 which are arranged from inside to outside in sequence,
the cable core comprises two symmetrically arranged cable cores and a filling part 4 filled between the two cable cores and the first mica tape wrapping layer, the filling part 4 extends along the length direction of the cable core, and a tensile core rope 8 extending along the length direction of the cable core is arranged on the filling part 4;
the sinle silk includes heating conductor 1, alkali-free glass fiber cloth weaving layer 2 and second mica tape that sets gradually from inside to outside around covering 3.
In the utility model, because the alkali-free glass fiber has good electrical insulation and mechanical property, the mica has very high insulation and heat conduction properties and good chemical stability, therefore, the wire core formed by sequentially coating the heating conductor 1 by the alkali-free glass fiber cloth braided layer 2 and the second mica tape wrapped layer 3 has excellent insulativity and thermal conductivity, and the electric tracing band has excellent insulativity and thermal conductivity by the matching of the first mica tape wrapped layer 5, the tinned copper wire braided layer 6 and the insulating heat-conducting sheath layer 7, is safer to use and has high heat tracing speed, the existence of the filling part 4 and the tensile core rope 8 can improve the tearing resistance of the electric tracing band, and the tinned copper wire braid 6 can perform shielding function, the flexibility of the electric tracing band is kept, and the mechanical property and the heat conduction speed of the electric tracing band are improved.
In order to improve the flexibility of the electric tracing band and increase the contact area between the electric tracing band and the object to be heat-traced, thereby improving the heat tracing effect, in the embodiment, at least one buffering through groove extending along the length direction of the wire core is formed on the filling piece 4.
In order to further improve the flexibility of the electric tracing band, thereby further increasing the contact area between the electric tracing band and the object to be heat traced, and further improving the heat tracing effect, in the embodiment, the number of the buffer through grooves is two, and the two buffer through grooves are symmetrically arranged on the filling member 4.
In order to improve the heat tracing speed and the heat tracing effect of the electric tracing band, in the present embodiment, the filling member 4 is made of heat conductive and insulating silicon rubber.
In order to improve the tear resistance of the electric tracing band at higher temperatures, in the present embodiment, the tensile core rope 8 is a high temperature resistant twisted aramid rope.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A series connection constant power electric tracing band is characterized by comprising a cable core, a first mica tape wrapping layer (5), a tinned copper wire weaving layer (6) and an insulating heat-conducting sheath layer (7) which are arranged from inside to outside in sequence,
the cable core comprises two symmetrically arranged cable cores and a filling part (4) filled between the two cable cores and the first mica tape wrapping layer, the filling part (4) extends along the length direction of the cable cores, and a tensile core rope (8) extending along the length direction of the cable cores is arranged on the filling part (4);
the sinle silk includes heating conductor (1), alkali-free glass fiber cloth weaving layer (2) and second mica tape that set gradually from inside to outside around covering (3).
2. The series constant-power electric tracing band according to claim 1, wherein the filling member (4) is provided with at least one buffer through groove extending along the length direction of the wire core.
3. The series constant-power electric tracing band according to claim 2, wherein the number of the buffer through grooves is two, and the two buffer through grooves are symmetrically arranged on the filling member (4).
4. The series constant-power electric tracing band according to any one of claims 1 to 3, wherein the filling member (4) is made of heat conductive and insulating silicone rubber.
5. The series connection constant power electric tracing band according to claim 1, wherein the tensile core rope (8) is a high temperature resistant twisted aramid rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696045.8U CN212086523U (en) | 2020-04-29 | 2020-04-29 | Series constant-power electric tracing band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020696045.8U CN212086523U (en) | 2020-04-29 | 2020-04-29 | Series constant-power electric tracing band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212086523U true CN212086523U (en) | 2020-12-04 |
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ID=73588272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020696045.8U Active CN212086523U (en) | 2020-04-29 | 2020-04-29 | Series constant-power electric tracing band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212086523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360786A (en) * | 2021-12-29 | 2022-04-15 | 扬州利家科技有限公司 | Tear-resistant series constant-power electric tracing band |
-
2020
- 2020-04-29 CN CN202020696045.8U patent/CN212086523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360786A (en) * | 2021-12-29 | 2022-04-15 | 扬州利家科技有限公司 | Tear-resistant series constant-power electric tracing band |
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