CN210137463U - Tensile high-temperature-resistant series constant-power electric tracing band - Google Patents
Tensile high-temperature-resistant series constant-power electric tracing band Download PDFInfo
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- CN210137463U CN210137463U CN201920967973.0U CN201920967973U CN210137463U CN 210137463 U CN210137463 U CN 210137463U CN 201920967973 U CN201920967973 U CN 201920967973U CN 210137463 U CN210137463 U CN 210137463U
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Abstract
The utility model discloses a high temperature resistant constant power electric tracing area of establishing ties of tensile, including the lead core of two parallel interval settings and the high temperature resistant insulating layer of cladding in proper order outside leading the core, high temperature resistant inner sheath layer, the shielding layer, the tensile layer, high temperature resistant outer sheath layer and reinforcing sleeve, the tensile core of being no less than one is inlayed and is equipped with in the middle part of high temperature resistant inner sheath layer, the tensile core is located two and leads between the core, still inlay in the high temperature resistant outer sheath layer and be equipped with the stretch-proofing rope, reinforcing sleeve's internal surface interval is provided with the arch, the surface interval on high temperature resistant outer sheath layer is provided with the recess, the arch is located the recess respectively. The utility model discloses tensile properties to electric tracing band among the prior art is poor, and high temperature resistance is poor, and electric tracing band is receiving external force and is dragging or during operation in high temperature environment, and oversheath layer and inside insulating layer are impaired easily, and technical problem such as electric tracing band life weak point improves, the utility model has the advantages of tensile properties is strong, high temperature resistance is strong, long service life.
Description
Technical Field
The utility model relates to an electric tracing band technical field especially relates to a high temperature resistant series connection constant power electric tracing band of tensile.
Background
The electric tracing band is a novel high-tech product, is widely applied to the fields of freezing prevention, heat preservation, process temperature maintenance, heating of highways, ramps, pedestrian crossings, eave, floors and the like when liquid objects are conveyed in pipelines and stored in a tank body since the 70 th century ago, and after the electric tracing band is connected with a power supply, the resistance value of the electric tracing band rises to generate heat, and the generated heat has the effect of heating through heat transfer. The electric tracing band is generally divided into a self-temperature-limiting electric tracing band and a constant-power electric tracing band, wherein the self-temperature-limiting electric tracing band is composed of a conductive polymer, two parallel metal leads and an insulating protective layer, and is characterized in that the conductive polymer has a high positive temperature coefficient characteristic and is connected in parallel with each other, so that the output power can be automatically adjusted along with the temperature change of a heated system, and the heating temperature is automatically limited; the heating value of the constant-power electric tracing band unit length is constant, the output power is not changed by the change of the environmental temperature, and the use length is in direct proportion to the power.
When the electric tracing band is laid, the electric tracing band is often pulled, the existing electric tracing band has poor tensile property, a sheath layer of the electric tracing band and an internal insulating layer are easy to damage in the pulling process, so that a guide core is exposed outside, a fire or an electric shock accident is easy to cause, the electric tracing band sometimes needs to work in a high-temperature environment, the existing electric tracing band has poor high-temperature resistance, and the sheath layer of the electric tracing band and the internal insulating layer can be damaged in the high-temperature environment to cause the electric tracing band not to work normally, so that the service life of the existing electric tracing band is short.
To above technical problem, the utility model discloses a high temperature resistant series connection constant power electric tracing area of tensile, the utility model has the advantages of tensile strength is strong, high temperature resistant performance is strong, long service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a high temperature resistant series connection constant power electric tracing band of tensile to solve among the prior art electric tracing band's tensile strength poor, high temperature resistant performance is poor, and electric tracing band is receiving external force and is dragging or during operation in high temperature environment, and oversheath layer and inside insulating layer are impaired easily and make the guide core expose outside, arouse conflagration or electric shock accident easily, technical problem such as electric tracing band life weak point, the utility model has the advantages of tensile strength, high temperature resistant performance is strong, long service life.
The utility model discloses a following technical scheme realizes: the utility model discloses a high temperature resistant constant power electric tracing area of establishing ties of tensile, including the lead core of two parallel interval settings and the high temperature resistant insulating layer of cladding in proper order outside leading the core, high temperature resistant inner sheath layer, the shielding layer, the tensile layer, high temperature resistant outer sheath layer and reinforcing sleeve, the tensile core of being no less than one is inlayed and is equipped with in the middle part of high temperature resistant inner sheath layer, the tensile core is located two and leads between the core, still inlay in the high temperature resistant outer sheath layer and be equipped with the stretch-proofing rope, reinforcing sleeve's internal surface interval is provided with the arch, the surface interval on high temperature resistant outer sheath layer is provided with the recess, the arch is located the recess respectively.
Furthermore, in order to improve the high-temperature resistance of the electric tracing band, the high-temperature resistant insulating layer, the high-temperature resistant inner sheath layer and the high-temperature resistant outer sheath layer are all made of silicon rubber materials, polyimide materials or polytetrafluoroethylene materials. The silicon rubber material, the fluoroplastic and the polytetrafluoroethylene material have excellent electrical insulation performance and high temperature resistance. The silicon rubber material has outstanding heat resistance, can work for a long time at 180 ℃, can still have elasticity for a plurality of weeks or longer even if the temperature is slightly higher than 200 ℃, and can instantaneously resist the high temperature of more than 300 ℃; the polyimide material can resist high temperature of more than 400 ℃, and the long-term use temperature range is-200 to 300 ℃; the operating temperature of the polytetrafluoroethylene material can reach 250 ℃.
Furthermore, in order to improve the capability of the electric tracing band in resisting the interference of an external electromagnetic field, the shielding layer is woven by steel wires or copper wires.
Furthermore, in order to improve the conductive efficiency of the electric tracing band and the heat tracing effect, the conductive core is a tinned soft copper wire.
Furthermore, in order to improve the tensile property of the electric tracing band, the tensile layer is woven by aramid fiber yarns, ceramic fiber yarns or glass fiber yarns. The aramid fiber yarns, the ceramic fiber yarns and the glass fiber yarns have excellent tensile property and high-temperature resistance.
Furthermore, in order to improve the tensile property of the electric tracing band, the tensile rope is formed by twisting aramid fiber wires, steel wires or nickel wires.
Furthermore, in order to improve the tensile property of the electric tracing band, the tensile core is a steel core.
Furthermore, in order to improve the compressive strength and the wear resistance of the electric tracing band, the reinforcing sleeve is made of a stainless steel material or an aluminum alloy material.
Furthermore, in order to ensure the flexibility of the electric tracing band and facilitate the bending and winding of the electric tracing band, the thickness of the reinforcing sleeve is 0.3-0.5 mm.
The utility model has the advantages of it is following: the utility model is provided with the tensile layer inside the electric tracing band, the tensile rope is embedded in the high temperature resistant outer sheath layer, and the tensile core is embedded in the high temperature resistant inner sheath layer, thereby obviously improving the tensile property of the electric tracing band; the utility model discloses a high temperature resistant insulating layer, high temperature resistant inner sheath layer and high temperature resistant oversheath layer are made to silicon rubber material, polyimide material or polytetrafluoroethylene material to still be provided with stainless steel's strengthening sleeve outside high temperature resistant oversheath layer, improved high temperature resistance, compressive strength and the wear resistance in electric tracing area, improve electric tracing area's life.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic view of a reinforcing sleeve;
fig. 3 is a schematic structural diagram of a high temperature resistant outer sheath layer.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
Embodiment 1 discloses a tensile high-temperature-resistant series-connection constant-power electric tracing band, as shown in fig. 1, which comprises two parallel guide cores 1 arranged at intervals, and a high-temperature-resistant insulating layer 2, a high-temperature-resistant inner sheath layer 3, a shielding layer 4, a tensile layer 5, a high-temperature-resistant outer sheath layer 6 and a reinforcing sleeve 7 sequentially coated outside the guide cores 1, wherein the guide cores 1 are tinned soft copper wires, the high-temperature-resistant insulating layer 2, the high-temperature-resistant inner sheath layer 3 and the high-temperature-resistant outer sheath layer 6 are all made of silicon rubber materials, the shielding layer 4 is made of steel wires by weaving, the tensile layer 5 is made of aramid fiber wires by weaving, the reinforcing sleeve 7 is made of stainless steel materials, the thickness of the reinforcing sleeve is 0.3mm, at least one tensile core 31 is embedded in the middle part of the high-temperature-resistant inner sheath layer 3, the tensile core 31 is made of steel wires, the tensile core 31 is positioned between the two guide cores 1, the tensile rope 61 is made by twisting aramid fiber yarns; as shown in fig. 2, the inner surface of the reinforcing sleeve 7 is provided with protrusions 71 at intervals; as shown in fig. 3, the outer surface of the high temperature resistant outer sheath layer 6 is provided with the grooves 62 at intervals, the protrusions 71 are respectively located in the grooves 62, and since the thickness of the reinforcing sleeve 7 is relatively thin, it is inconvenient to form a groove body on the inner surface of the reinforcing sleeve 7, the protrusions 71 are arranged at intervals on the inner surface of the reinforcing sleeve 7, and the grooves 62 are oppositely arranged on the outer surface of the high temperature resistant outer sheath layer 6.
The utility model is provided with the tensile layer 5 in the electric tracing band, the tensile rope 61 is embedded in the high temperature resistant outer sheath layer 6, the tensile core 31 is embedded in the high temperature resistant inner sheath layer 3, and the tensile property of the electric tracing band is obviously improved; the utility model discloses a high temperature resistant silicon rubber material makes high temperature resistant insulating layer 2, high temperature resistant inner sheath layer 3 and high temperature resistant oversheath layer 6 to still be provided with stainless steel's strengthening sleeve 7 outside high temperature resistant oversheath layer 6, improved high temperature resistance, compressive strength and the wear resistance in electric tracing area, improved electric tracing area's life.
Example 2
The utility model is provided with the tensile layer 5 in the electric tracing band, the tensile rope 61 is embedded in the high temperature resistant outer sheath layer 6, the tensile core 31 is embedded in the high temperature resistant inner sheath layer 3, and the tensile property of the electric tracing band is obviously improved; the utility model discloses a high temperature resistant polyimide material makes high temperature resistant insulating layer 2, high temperature resistant inner sheath layer 3 and high temperature resistant oversheath layer 6 to still be provided with aluminum alloy's strengthening sleeve 7 outside high temperature resistant oversheath layer 6, improved high temperature resistance, compressive strength and the wear resistance in electric tracing area, improve electric tracing area's life.
Example 3
The utility model is provided with the tensile layer 5 in the electric tracing band, the tensile rope 61 is embedded in the high temperature resistant outer sheath layer 6, the tensile core 31 is embedded in the high temperature resistant inner sheath layer 3, and the tensile property of the electric tracing band is obviously improved; the utility model discloses a high temperature resistant polytetrafluoroethylene material makes high temperature resistant insulating layer 2, high temperature resistant inner sheath layer 3 and high temperature resistant oversheath layer 6 to still be provided with aluminum alloy's strengthening sleeve 7 outside high temperature resistant oversheath layer 6, improved high temperature resistance, compressive strength and the wear resistance in electric tracing area, improved electric tracing area's life.
Claims (9)
1. The utility model provides a high temperature resistant series connection constant power electric tracing area of tensile, its characterized in that, including the core of leading of two parallel interval settings with cladding in proper order lead outer high temperature resistant insulating layer, high temperature resistant inner sheath layer, shielding layer, tensile layer, high temperature resistant outer sheath layer and the reinforcing sleeve pipe of core, the middle part on high temperature resistant inner sheath layer inlays and is equipped with the tensile core of being no less than one, the tensile core is located two lead between the core, still inlay in the high temperature resistant outer sheath layer and be equipped with the stretch-proofing rope, reinforcing sleeve's internal surface interval is provided with the arch, the surface interval on high temperature resistant outer sheath layer is provided with the recess, the arch is located respectively in the recess.
2. The tension-resistant high-temperature-resistant series constant-power electric tracing band of claim 1, wherein the high-temperature-resistant insulating layer, the high-temperature-resistant inner sheath layer and the high-temperature-resistant outer sheath layer are made of a silicone rubber material, a polyimide material or a polytetrafluoroethylene material.
3. The tension-resistant high-temperature-resistant series constant-power electric tracing band of claim 1, wherein the shielding layer is woven by steel wires or copper wires.
4. The tension resistant, high temperature resistant, series constant power electric tracing ribbon of claim 1, wherein said core is a tinned soft copper wire.
5. The tension-resistant high-temperature-resistant series constant-power electric tracing band of claim 1, wherein the tension-resistant layer is woven from aramid fiber yarns, ceramic fiber yarns or glass fiber yarns.
6. The tension-resistant high-temperature-resistant series-connection constant-power electric tracing band of claim 1, wherein the tension-resistant rope is formed by stranding aramid fiber wires, steel wires or nickel wires.
7. The tensile, high temperature resistant, series constant power electric tracing band of claim 1, wherein said tensile core is a steel core.
8. The tension-resistant high-temperature-resistant series constant-power electric tracing belt of claim 1, wherein the reinforcing sleeve is made of a stainless steel material or an aluminum alloy material.
9. The tension-resistant high-temperature-resistant series constant-power electric tracing band of claim 1, wherein the thickness of the reinforcing sleeve is 0.3-0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967973.0U CN210137463U (en) | 2019-06-26 | 2019-06-26 | Tensile high-temperature-resistant series constant-power electric tracing band |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920967973.0U CN210137463U (en) | 2019-06-26 | 2019-06-26 | Tensile high-temperature-resistant series constant-power electric tracing band |
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| CN210137463U true CN210137463U (en) | 2020-03-10 |
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| CN201920967973.0U Active CN210137463U (en) | 2019-06-26 | 2019-06-26 | Tensile high-temperature-resistant series constant-power electric tracing band |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113316275A (en) * | 2021-05-28 | 2021-08-27 | 安徽天康(集团)股份有限公司 | Wear-resisting tensile electric tracing band |
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2019
- 2019-06-26 CN CN201920967973.0U patent/CN210137463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113316275A (en) * | 2021-05-28 | 2021-08-27 | 安徽天康(集团)股份有限公司 | Wear-resisting tensile electric tracing band |
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