CN207381135U - A kind of automatic constant-temperature electric heat tracing type cable - Google Patents
A kind of automatic constant-temperature electric heat tracing type cable Download PDFInfo
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- CN207381135U CN207381135U CN201721449566.8U CN201721449566U CN207381135U CN 207381135 U CN207381135 U CN 207381135U CN 201721449566 U CN201721449566 U CN 201721449566U CN 207381135 U CN207381135 U CN 207381135U
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- heat tracing
- automatic constant
- type cable
- electric heat
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Abstract
The utility model discloses a kind of automatic constant-temperature electric heat tracing type cables, including inner sheath, the inner sheath is wrapped in the outside of more conductor cores, the inner sheath is internally provided with electric-heating belt, the more conductor cores are evenly distributed with centered on electric-heating belt in circular ring shape, the one side of the electric-heating belt is equipped with temperature sensor, and the outer shroud of the inner sheath is coated with tinned copper wire woven shield, and the outer of tinned copper wire woven shield is equipped with external insulation layer.The utility model is internally provided with electric-heating belt and cooling tube cable, pass through the cooperation of the two, so that the cable is suitable under extremely cold extreme thermal environment, ensureing inner conductor core, stabilization transmits electric power at a constant temperature, the loss of heat and cold air is enough prevented using the high accumulation of energy performance of foam copper, improves heat insulation effect, and oversheath is externally provided with hydrophobic thin film, corrosion of the snow-broth to cable can be so avoided, makes the longer life expectancy of cable.
Description
Technical field
The utility model is related to electric tracing cable technical fields, are specially a kind of automatic constant-temperature electric heat tracing type cable.
Background technology
In extremely cold area, since temperature is extremely low, protective layer and partial rubber material outside electrolytic copper tow can become embrittlement,
Cracking or even there is the phenomenon that natural cracking comes off, not only cable can not cable laying operation, to needing to move setting for operation outdoors
Received shipment row brings difficulty or even can not just run at all.Under very hot environmental condition, since temperature is excessively high and electric energy passes
The defeated consume of itself can generate substantial amounts of thermal energy, and this thermal energy is a kind of meaningless loss in itself, and high temperature is easy to cause electricity
The protective layer acceleration aging of cable outer layer, and by heat conduction, can also cause fire, there are huge hidden danger.
Existing cable fire-proof technology is generally using flame-retardant layer, and flame retarding construction is simple, and fire-retardant mode is passive, and not from
Fundamentally solve the problems, such as that high-tension cable generates heat.
Utility model content
The purpose of this utility model is to provide a kind of automatic constant-temperature electric heat tracing type cables, solve existing cable fire prevention skill
Art is generally using flame-retardant layer, and flame retarding construction is simple, and fire-retardant mode is passive, and does not solve high-tension cable fever fundamentally
Problem.
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of automatic constant-temperature electric tracing
Formula cable, including inner sheath, the inner sheath is wrapped in the outside of more conductor cores, and the inner sheath is internally provided with electric tracing
Band, the more conductor cores are evenly distributed with centered on electric-heating belt in circular ring shape, and the one side of the electric-heating belt is equipped with temperature sensing
Device, the outer shroud of the inner sheath are coated with tinned copper wire woven shield, and the outer of tinned copper wire woven shield is equipped with
External insulation layer is equipped with more cooling tubes, the inside of the inner sheath between the external insulation layer and tinned copper wire woven shield
Filled with foam copper packing material, the outer shroud bag of the external insulation layer between external insulation layer and tinned copper wire woven shield
Waterstop lapping layer is covered with, the outer shroud of the waterstop lapping layer is coated with oversheath.
Preferably, the conductor cores are twisted compression by more soft copper silks and are made, and the outer of conductor cores is equipped with inner insulating layer.
Preferably, the inner insulating layer uses inorganic glass fiber material.
Preferably, the temperature sensor is miniature platinum resistance temperature sensor.
Preferably, the external insulation layer is formed for fluorophlogopite belt.
Preferably, the cooling tube is connected with the circulating line of liquid nitrogen machine.
Preferably, the oversheath is made of low halogen polyolefin, and the outer surface of oversheath is coated with hydrophobic thin film.
Preferably, the consistency of thickness of the oversheath, inner sheath and external insulation layer.
Compared with prior art, the beneficial effects of the utility model are：The utility model（1）Electricity is internally provided in cable
Heating tape and cooling tube pass through the cooperation of the two so that the cable is suitable under extremely cold extreme thermal environment, ensures that inner conductor core exists
Stabilization transmits electric power under steady temperature.
（2）The loss of heat and cold air is enough prevented using the high accumulation of energy performance of foam copper, improves heat insulation effect, tinned copper wire
Woven shield can avoid cable due to phenomenon of rupture caused by high-low temperature difference, and oversheath is externally provided with hydrophobic thin film, such energy
Corrosion of the snow-broth to cable is enough avoided, makes the longer life expectancy of cable.
Description of the drawings
Fig. 1 is the sectional view of the utility model entirety.
In figure：1- oversheaths, 2- waterstops lapping layer, 3- external insulation layers, 4- electric-heating belts, 5- temperature sensors, 6- are cold
But pipe, 7- tinned copper wires woven shield, 8- inner sheaths, 9- foam coppers packing material, 10- conductor cores, 11- inner insulating layers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of automatic constant-temperature electric heat tracing type cable, including interior
Sheath 8, inner sheath 8 are wrapped in the outside of more conductor cores 10, and inner sheath 8 is internally provided with electric-heating belt 4, and electric-heating belt 4 is
Temperature selflimiting electric tracing band 4, more conductor cores 10 are evenly distributed with centered on electric-heating belt 4 in circular ring shape, can thermally equivalent, electric tracing
Temperature sensor 5 is equipped with 4 one side, for the real time temperature of detection cable, the outer shroud of inner sheath 8 is coated with tinned copper wire volume
Shielded layer 7 is knitted, the outer of tinned copper wire woven shield 7 is equipped with external insulation layer 3, external insulation layer 3 and tinned copper wire braid shielded
More cooling tubes 6 are equipped between layer 7, cooling tube 6 extends along the length direction of cable, and cooling tube 6 uses low temperature resistant material system
Into, foam copper packing material 9 is filled between the inside of inner sheath 8 and external insulation layer 3 and tinned copper wire woven shield 7,
It prevents the loss of heat and cold air, improves heat insulation effect, the outer shroud of external insulation layer 3 is coated with waterstop lapping layer 2, plays waterproof
The effect of erosion, the outer shroud of waterstop lapping layer 2 are coated with oversheath 1.
Conductor cores 10 are twisted compression by more soft copper silks and are made, and the outer of conductor cores 10 is equipped with inner insulating layer 11；It is interior exhausted
Edge layer 11 uses inorganic glass fiber material；Temperature sensor 5 is miniature platinum resistance temperature sensor, and compact detects spirit
Sensitivity is high；External insulation layer 3 is formed for fluorophlogopite belt；Cooling tube 6 is connected with the circulating line of liquid nitrogen machine；Oversheath 1 is by low halogen
Polyolefin is formed, and the outer surface of oversheath 1 enough avoids corrosion of the snow-broth to electric-heating belt, make electric companion coated with hydrophobic thin film
The longer life expectancy in the torrid zone；The consistency of thickness of oversheath 1, inner sheath 8 and external insulation layer 3, ensures that each layer is uniform, compact-sized.
Operation principle：After the automatic constant-temperature electric heat tracing type cable is produced by normal procedure, temperature sensor 5 detects the electricity
Temperature inside cable, cable body are influenced heating and cooling be subject to external environment, when the temperature is too low, what temperature sensor 5 connected
Controller starts electric-heating belt 4, and electric-heating belt 4 outwards discharges heat so that cable keeps proper temperature, foam copper packing material
9 can put aside heat, reduce heat losses, while after electric-heating belt 4 is out of service cable gradually be cooled down, and help to prolong
The service life of long cable, when the controller that when temperature is too low high, temperature sensor 5 connects starts liquid nitrogen machine to cooling tube 6
Transporting cold-air, tinned copper wire woven shield 7 avoid cable crack conditions caused by inside and outside high-low temperature difference, waterstop lapping layer 2
Play the role of anti-water erosion, oversheath 1 is externally provided with hydrophobic thin film, can so avoid corrosion of the snow-broth to cable, make cable
Longer life expectancy.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (8)
1. a kind of automatic constant-temperature electric heat tracing type cable, including inner sheath（8）, it is characterised in that：The inner sheath（8）It is wrapped in more
Root conductor cores（10）Outside, the inner sheath（8）Be internally provided with electric-heating belt（4）, the more conductor cores（10）With electricity
Heating tape（4）Centered on be evenly distributed in circular ring shape, the electric-heating belt（4）One side be equipped with temperature sensor（5）, the inner sheath
（8）Outer shroud be coated with tinned copper wire woven shield（7）, the tinned copper wire woven shield（7）It is outer be equipped with it is outer absolutely
Edge layer（3）, the external insulation layer（3）With tinned copper wire woven shield（7）Between be equipped with more cooling tubes（6）, the interior shield
Set（8）Inside and external insulation layer（3）With tinned copper wire woven shield（7）Between be filled with foam copper packing material（9）,
The external insulation layer（3）Outer shroud be coated with waterstop lapping layer（2）, the waterstop lapping layer（2）Outer shroud be coated with it is outer
Sheath（1）.
A kind of 2. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the conductor cores（10）By
More soft copper silks are twisted compression and are made, and conductor cores（10）Outer be equipped with inner insulating layer（11）.
A kind of 3. automatic constant-temperature electric heat tracing type cable according to claim 2, which is characterized in that the inner insulating layer（11）
Using inorganic glass fiber material.
A kind of 4. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the temperature sensor
（5）For miniature platinum resistance temperature sensor.
A kind of 5. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the external insulation layer（3）
It is formed for fluorophlogopite belt.
A kind of 6. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the cooling tube（6）With
The circulating line connection of liquid nitrogen machine.
A kind of 7. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the oversheath（1）By
Low halogen polyolefin is formed, and oversheath（1）Outer surface be coated with hydrophobic thin film.
A kind of 8. automatic constant-temperature electric heat tracing type cable according to claim 1, which is characterized in that the oversheath（1）, it is interior
Sheath（8）With external insulation layer（3）Consistency of thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449566.8U CN207381135U (en) | 2017-11-03 | 2017-11-03 | A kind of automatic constant-temperature electric heat tracing type cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449566.8U CN207381135U (en) | 2017-11-03 | 2017-11-03 | A kind of automatic constant-temperature electric heat tracing type cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381135U true CN207381135U (en) | 2018-05-18 |
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ID=62334726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721449566.8U Active CN207381135U (en) | 2017-11-03 | 2017-11-03 | A kind of automatic constant-temperature electric heat tracing type cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566803A (en) * | 2019-07-19 | 2019-12-13 | 中海石油气电集团有限责任公司 | Floor type LNG storage tank bottom heat tracing system |
| CN113316276A (en) * | 2021-05-28 | 2021-08-27 | 安徽天康(集团)股份有限公司 | Flexible silicon rubber constant power electric heating tape |
-
2017
- 2017-11-03 CN CN201721449566.8U patent/CN207381135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566803A (en) * | 2019-07-19 | 2019-12-13 | 中海石油气电集团有限责任公司 | Floor type LNG storage tank bottom heat tracing system |
| CN113316276A (en) * | 2021-05-28 | 2021-08-27 | 安徽天康(集团)股份有限公司 | Flexible silicon rubber constant power electric heating tape |
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