CN207638919U - A kind of high pressure resistant kelvin effect heating cable - Google Patents
A kind of high pressure resistant kelvin effect heating cable Download PDFInfo
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- CN207638919U CN207638919U CN201721425039.3U CN201721425039U CN207638919U CN 207638919 U CN207638919 U CN 207638919U CN 201721425039 U CN201721425039 U CN 201721425039U CN 207638919 U CN207638919 U CN 207638919U
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- kelvin effect
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Abstract
The utility model provides a kind of high pressure resistant kelvin effect heating cable, including busbar, busbar outer end is coated with mica layer, and mica layer outer end ring set has glass layer, insulating layer A is provided with outside glass layer, the outer ends insulating layer A are provided with insulating layer B, the outer ends insulating layer B are provided with restrictive coating, and several ceramic threads are evenly equipped in restrictive coating, and the high pressure resistant kelvin effect of the utility model heats cable, it is adaptable, it is suitable for different laying way of local and the place of different length pipeline；Securely and reliably, kelvin effect itself forms insulation system, keeps heat tracing tube outer surface not charged；Applied widely, breakdown strength can reach 15KV, be applicable in various high pressure places, and internal structure is mutually clamped, and sheath is fixed using ceramic thread, and structure is more firm, using more convenient.
Description
Technical field
The present invention relates to electric tracing field, more particularly to a kind of high pressure resistant kelvin effect heats cable.
Background technology
When having alternating current or alternating electromagnetic field in conductor, the current distribution is uneven of conductor is even, and current convergence exists
" skin " part of conductor, that is to say, that current convergence is in the thin layer of conductor appearance, and closer to conductive surface, current density is got over
Greatly, actually electric current is smaller inside conducting wire.As a result increase the resistance of conductor, its loss power is made also to increase.This phenomenon
Referred to as kelvin effect.
Pipeline skin-effect electric heating technology is a kind of new metallic conduit heating means occurred in recent years, is big
The enterprises such as type petrochemical industry, the new technology of Heated pipeline heating and thermal insulation, such heating technique have it is efficient, adapt to all length,
In, the heat tracing of short distance metal liquid-transport pipe-line and heating, and with safe and reliable, service life is long, convenient to install and maintain etc.
Advantage, but collection skin cable can not use in hyperbaric environment mostly, and cable strength is poor, is easily damaged using process.
Invention content
In order to compensate for the shortcomings of the prior art, the present invention provides a kind of simple in structure, the high pressure resistant collection skin of energy-saving safe
Effect heats cable.
The present invention is achieved through the following technical solutions：
A kind of high pressure resistant kelvin effect heating cable, including busbar, busbar outer end are coated with mica layer, the outer end ring of mica layer
It is cased with glass layer, is provided with insulating layer A outside glass layer, the outer ends insulating layer A are provided with insulating layer B, outside insulating layer B
End is provided with restrictive coating, and several ceramic threads are evenly equipped in restrictive coating.
The high pressure resistant kelvin effect of the present invention heats cable, and the outer ends the insulating layer B are evenly equipped with several protrusions, in restrictive coating
Edge is evenly equipped with several grooves, and protrusion and groove are mutually clamped.
The high pressure resistant kelvin effect of the present invention heats cable, and mica is provided between the glass layer and insulating layer A
Layer.
The present invention high pressure resistant kelvin effect heat cable, between the glass layer and insulating layer A from inside to outside according to
It is secondary to be provided with mica layer and glass layer.
The high pressure resistant kelvin effect of the present invention heats cable, and the busbar is tinned copper wire.
The high pressure resistant kelvin effect of the present invention heats cable, and the insulating layer A and insulating layer B are F46 fluoroplastics or PFA.
The high pressure resistant kelvin effect of the present invention heats cable, and the restrictive coating is fluorine-containing polyolefin or perfluorinated material.
The beneficial effects of the invention are as follows：
The high pressure resistant kelvin effect of the present invention heats cable, adaptable, is suitable for the different layings of different length pipeline
Mode and place；Securely and reliably, kelvin effect itself forms insulation system, keeps heat tracing tube outer surface not charged；It is applied widely,
Breakdown strength can reach 30kv, be applicable in various high pressure places, and internal structure is mutually clamped, and sheath is fixed using ceramic thread,
Structure is more firm, using more convenient.
Description of the drawings
Further invention is made to the present invention below in conjunction with the accompanying drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3.
In figure, 1 busbar；2 mica layers；3 glass layers；4 insulating layer A；5 insulating layer B；6 restrictive coatings；7 ceramic threads.
Specific implementation mode
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" can include both upper and lower orientation.
Embodiment 1：
Attached drawing 1 is a kind of specific embodiment of the present invention.The embodiment includes busbar 1, and busbar outer end is coated with mica layer
2,2 outer end ring set of mica layer has glass layer 3, and insulating layer A4, the setting of the outer ends insulating layer A4 are provided with outside glass layer 3
There are insulating layer B5, the outer ends insulating layer B5 to be provided with restrictive coating 6, several ceramic threads 7 are evenly equipped in restrictive coating 6；The insulating layer B5
Outer end is evenly equipped with several protrusions, and 6 inward flange of restrictive coating is evenly equipped with several grooves, and protrusion and groove are mutually clamped, and can increase electricity
The stability of cable entirety increases safety in utilization；
The busbar 1 is tinned copper wire, the insulating layer A4 and insulating layer B5 F46 fluoroplastics or PFA, the restrictive coating 6
It is that can be further increased the intensity of cable by ceramic powder compression moulding, be made electricity for fluorine-containing polyolefin or perfluorinated material ceramic thread 7
Cable preferably uses various extreme use environments.
Embodiment 2：
Attached drawing 2 is a kind of specific embodiment of the present invention.The embodiment includes busbar 1, and busbar outer end is coated with mica layer
2,2 outer end ring set of mica layer has glass layer 3, and insulating layer A4, the glass layer 3 are provided with outside glass layer 3
Mica layer 2 is provided between insulating layer A4, the outer ends insulating layer A4 are provided with insulating layer B5, and the outer ends insulating layer B5 are provided with sheath
Layer 6 is evenly equipped with several ceramic threads 7 in restrictive coating 6；The outer ends the insulating layer B5 are evenly equipped with several protrusions, and 6 inward flange of restrictive coating is equal
Several grooves are furnished with, protrusion and groove are mutually clamped, and can increase the stability of cable entirety, increase safety in utilization, described
Busbar 1 is tinned copper wire, and the insulating layer A4 and insulating layer B5 are F46 fluoroplastics or PFA, and the restrictive coating 6 is fluorine-containing polyene
Hydrocarbon or perfluorinated material；
The ceramic thread 7 is can be further increased the intensity of cable by ceramic powder compression moulding, cable is made preferably to make
With various extreme use environments；Added stratus mother layer 2 can further increase the high-voltage resistance capability of cable and whole steady
Solidity.
Embodiment 3：
Attached drawing 3 is a kind of specific embodiment of the present invention.The embodiment includes busbar 1, and busbar outer end is coated with mica layer
2,2 outer end ring set of mica layer has glass layer 3, and insulating layer A4, the glass layer 3 are provided with outside glass layer 3
It is disposed with mica layer 2 and glass layer 3 from inside to outside between insulating layer A4, the outer ends insulating layer A4 are provided with insulating layer
The outer end B5, insulating layer B5 is provided with restrictive coating 6, and several ceramic threads 7 are evenly equipped in restrictive coating 6；The outer ends the insulating layer B5 are uniformly distributed
There are several protrusions, 6 inward flange of restrictive coating to be evenly equipped with several grooves, protrusion and groove are mutually clamped, and can increase cable entirety
Stability increases safety in utilization；
The busbar 1 is tinned copper wire, and the insulating layer A4 and insulating layer B5 are F46 fluoroplastics or PFA, the restrictive coating
6 be fluorine-containing polyolefin or perfluorinated material ceramic thread 7 is can be further increased the intensity of cable by ceramic powder compression moulding, be made
Cable preferably uses various extreme use environments；Increased mica layer 2 and glass layer 3 can further increase cable
High-voltage resistance capability and overall stability.
The specific implementation of the present invention is described in detail above, but is intended only as an example, the present invention is not
It is limited to specific implementation case described above, also within protection scope of the present invention to the equivalent modifications that carry out of the present invention.
Claims (7)
1. a kind of high pressure resistant kelvin effect heats cable, including busbar（1）, it is characterised in that：Busbar outer end is coated with mica layer
（2）, mica layer（2）Outer end ring set has glass layer（3）, glass layer（3）Outside is provided with insulating layer A（4）, insulating layer
A（4）Outer end is provided with insulating layer B（5）, insulating layer B（5）Outer end is provided with restrictive coating（6）, restrictive coating（6）In be evenly equipped with it is several
Ceramic thread（7）.
2. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：The insulating layer B（5）Outer end is equal
It is furnished with several protrusions, restrictive coating（6）Inward flange is evenly equipped with several grooves, and protrusion and groove are mutually clamped.
3. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：Glass layer（3）With insulation
Layer A（4）Between be provided with mica layer（2）.
4. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：Glass layer（3）With insulation
Layer A（4）Between be disposed with mica layer from inside to outside（2）And glass layer（3）.
5. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：Busbar（1）For tinned copper wire.
6. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：Insulating layer A（4）With insulating layer B
（5）For improvement polyolefin or fire retardant polyolefin.
7. high pressure resistant kelvin effect as described in claim 1 heats cable, it is characterised in that：Restrictive coating（6）For fluorine-containing polyene
Hydrocarbon or perfluorinated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425039.3U CN207638919U (en) | 2017-10-31 | 2017-10-31 | A kind of high pressure resistant kelvin effect heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425039.3U CN207638919U (en) | 2017-10-31 | 2017-10-31 | A kind of high pressure resistant kelvin effect heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638919U true CN207638919U (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721425039.3U Active CN207638919U (en) | 2017-10-31 | 2017-10-31 | A kind of high pressure resistant kelvin effect heating cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682945A (en) * | 2017-10-31 | 2018-02-09 | 山东华宁电伴热科技有限公司 | A kind of high pressure resistant kelvin effect heating cable |
-
2017
- 2017-10-31 CN CN201721425039.3U patent/CN207638919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682945A (en) * | 2017-10-31 | 2018-02-09 | 山东华宁电伴热科技有限公司 | A kind of high pressure resistant kelvin effect heating cable |
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