CN211831222U - High-efficient heat dissipation type heating cable - Google Patents
High-efficient heat dissipation type heating cable Download PDFInfo
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- CN211831222U CN211831222U CN202020136852.4U CN202020136852U CN211831222U CN 211831222 U CN211831222 U CN 211831222U CN 202020136852 U CN202020136852 U CN 202020136852U CN 211831222 U CN211831222 U CN 211831222U
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- heat dissipation
- heating
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- heat
- heating conductor
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 42
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- 229910052596 spinel Inorganic materials 0.000 description 2
- 239000011029 spinel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
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- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a cable and wire technical field discloses high-efficient heat dissipation type heating cable, including heating conductor (1), heating conductor (1) is sectional area 10 ~ 20mm2The heating conductor (1) is composed of Gr20Ni35The heat-insulating and heat-dissipating heat-insulating composite material is made of alloy, a heating conductor (1) is sequentially coated with a first insulating and heat-dissipating layer (2), a fireproof layer (3) and an outer sheath (4) from inside to outside, the inner side surface of the fireproof layer (3) and the outer side surface of the fireproof layer (3) are coated with a second insulating and heat-dissipating layer (5), and the fireproof layer (3) is formed by overlapping and winding a plurality of layers of glass fiber tapesThe bag is formed, the outer wall of the outer sheath (4) is provided with protection teeth (6), and the protection teeth (6) are annularly and uniformly distributed along the outer wall of the outer sheath (4). The utility model discloses have good high temperature oxidation resistance, intensity is high, and processing performance is good, and the oversheath is made the gear form and has increased heat radiating area, improves heat conduction efficiency, and the gear form appearance is receiving under the external force condition, only can be in cusp department atress deformation, can not hinder and reach the internal heating wire.
Description
Technical Field
The utility model relates to a cable and wire technical field especially relates to a high-efficient heat dissipation type heating cable.
Background
In recent years, with the rapid development of national economy and the improvement of the living standard of people, the demand of heating, air conditioning and domestic heat is more and more important as the main part of the energy utilization of common civil buildings. The geothermal energy can realize heating, cold supply, domestic hot water supply, entertainment and health care. Due to complicated historical reasons, central heating in winter in China is mainly in northeast, northwest and north China, and with further increase of market demands and continuous improvement of living standards of people, the requirement of people on comfort of residences is higher and higher nowadays.
At present, water is accumulated in a floor heating pipe all the year round, microorganisms exist in the water, a large amount of biological slime can be generated under certain conditions, and the biological slime covers the floor heating pipe and causes harm to the health of a user. Heating appliances such as air conditioners and the like have large power consumption and low effect, and have limitation in use. The air is easy to dry by heating with an air conditioner and the like, so that people are ill.
The existing heating cable product has slow temperature rise, low thermal efficiency and short service life. The existing heating cable is mostly in a circular tube shape in appearance, small in heat dissipation area, low in temperature rising speed and extremely easy to age after being used for a period of time. For example, the chinese utility model patent (application No. CN03277375.7) discloses a heating cable, which is mainly characterized in that a metal wire and a carbon fiber heating wire are arranged in parallel in the same insulating sheath, so that the cable is a wire and a load, and in the actual use occasion, the cable can not only transport electric energy, but also convert the electric energy into heat energy, is particularly suitable for heating in the occasions such as pipelines, facilitates the installation and construction of engineering, and greatly reduces the damage of the carbon fiber heating wire. The heating cable in the patent is simple in structure and poor in use safety.
Disclosure of Invention
The utility model discloses to the shortcoming that radiating effect is poor among the prior art, the security is poor, a high-efficient heat dissipation type heating cable that radiating effect is good, the security is good is provided.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a high-efficiency heat-dissipation heating cable comprises a heating conductor with a sectional area of 10-20 mm2The heating conductor is composed of Gr20Ni35The alloy is made, the heating conductor is sequentially coated with a first insulating heat dissipation layer, a fireproof layer and an outer sheath from inside to outside, the inner side face of the fireproof layer and the outer side face of the fireproof layer are coated with a second insulating heat dissipation layer, the fireproof layer is formed by overlapping and winding multiple layers of glass fiber tapes, the outer wall of the outer sheath is provided with protection teeth, and the protection teeth are annularly and uniformly distributed along the outer wall of the outer sheath. Using wires, Gr, of different resistance values according to the heating power of the cable20Ni35The alloy has good high-temperature oxidation resistance, high strength and good processing performance, the resistivity changes little along with the change of temperature, the performance in the atmosphere is stable, the stability in inorganic salt or organic acid is good, the outer sheath can effectively protect the wire core and prevent external impact, the outer sheath is made into a gear shape, the heat dissipation area is increased, the efficiency is improved, the energy is saved, and the gear-shaped appearance can only be stressed and deformed at the tooth-shaped part under the condition of external force, so that the internal heating wire cannot be damaged.
Preferably, the outer diameter of the heating conductor is 1.8 to 2.5mm, and the deviation of the wire diameter of the heating conductor is + -0.05 mm.
Preferably, the outer diameter of the heating conductor is 2.0 to 2.3 mm.
Preferably, the thickness of the fireproof layer is 0.1-0.3 mm.
Preferably, the fireproof layer is formed by lapping and covering two layers of glass fiber tapes in an overlapping mode, and the overlapping rate of the two layers of glass fiber tapes is 10-30%.
Preferably, the thickness of the first insulating heat dissipation layer is 0.5-0.8 mm. The first insulating heat dissipation layer is arranged, insulating strippability is guaranteed, and meanwhile the high-temperature resistant performance is achieved.
Preferably, the first insulating heat dissipation layer is made of radiation crosslinking type low-smoke halogen-free flame retardant polyolefin material. The insulating material can resist the temperature of 150 ℃, has small thermal deformation, is easy to produce and has good insulating effect; the irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin belongs to an environment-friendly material, does not contain halogen, has low smoke volume and long visible distance during combustion, can ensure that people unfamiliar with the site have the chance of escaping when a fire disaster happens, does not generate harmful gases such as hydrogen chloride and the like and corrosive gases, and accords with the promoted environment protection; in addition, the cable has good heat resistance, can work at a very high temperature for a long time, does not generate obvious decomposition, and the traditional heating cable is insulated by inorganic minerals, has high production difficulty and is easy to eccentrically puncture.
Preferably, the second insulating heat dissipation layer is a radiation heat dissipation cooling coating. The ZS-411 radiation heat-dissipation cooling coating is a ZS-411 radiation heat-dissipation cooling coating, and the filler of the ZS-411 radiation heat-dissipation cooling coating is a material with high thermal conductivity and infrared emission such as a carbon nano tube, a spinel metal oxide and the like, and the filler can enable the coating to present a macroscopic, smooth and microscopic wavy radiation structure unit after being formed into a film, so that the structure can greatly increase the heat-dissipation area and the heat-dissipation rate, and the heat exchange effect is remarkably improved. Meanwhile, spinel metal oxide which is transited by electrons can increase the electron energy level, the infrared radiation coefficient of an object is improved, corresponding excellent performances such as thermal stability, heat resistance, high strength, corrosion resistance and wear resistance are kept, the radiation heat dissipation cooling coating is directly coated on the inner surface and the outer surface of the fireproof layer, the coating automatically radiates heat to the atmosphere space or the internal space of the object at an emissivity of about more than 0.92 and an infrared wave band, heat exchange is accelerated, the surface temperature and the internal temperature of the object are reduced, or the conduction of external heat to the inside of the object is accelerated, and the heat exchange rate is improved.
Preferably, the outer sheath and the protective teeth are both made of an aluminum metal material. The oversheath adopts radiation protection metal aluminium sheath, replaces traditional metal sheath, has reinforceed the heat transmission efficiency of product, makes the product change in the installation, and aluminium sheath mainly plays protection cable inner structure and lays, the operation in-process does not receive external mechanical damage to have sealed waterproof, chemical corrosion prevention's effect, aluminium can form the oxide layer that the one deck prevented metal corrosion in humid air, has certain corrosion-resistant ability. When the heating cable works under the condition of high temperature, when the temperature of the conductor reaches 180 ℃ or even more than 200 ℃, the material on the surface of the cable is required to bear the high temperature, and the aluminum material has good temperature resistance. The gear-shaped shape made of the aluminum material greatly increases the heat dissipation area of the heating cable, and further enhances the heat transmission efficiency of the product.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the cable core has the advantages that the cable core has good high-temperature oxidation resistance, high strength and good processing performance, the resistivity changes little along with the change of temperature, the performance in the atmosphere is stable, the outer sheath can effectively protect the cable core and prevent external impact, the outer sheath is made into a gear shape, the heat dissipation area is increased, the heat conduction efficiency is improved, the energy is saved, and the gear-shaped appearance only can be stressed and deformed at the tooth-shaped position under the condition of external force and cannot damage an internal heating wire.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a fire-retardant layer and a second insulating heat-dissipating layer.
Fig. 3 is a schematic structural view of the outer sheath.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-heating conductor, 2-first insulating heat dissipation layer, 3-flame retardant coating, 4-oversheath, 5-second insulating heat dissipation layer, 6-protection tooth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A high-efficiency heat-dissipation type heating cable is shown in figures 1 to 3 and comprises a heating conductor 1, wherein the heating conductor 1 is used for treating a conductor through a drawing annealing process, and the cross section area of the heating conductor 1 is 10-20 mm2The solid conductor of (1), the heating conductor 1 has an outer diameter of 1.8-2.5 mm, ensures stable structure and no deformation, the deviation of the wire diameter of the heating conductor 1 is +/-0.05 mm, and the heating conductor 1 consists of Gr20Ni35The heating conductor 1 is made of alloy, a first insulating heat dissipation layer 2, a fireproof layer 3 and an outer sheath 4 are sequentially coated on the heating conductor 1 from inside to outside, and the first insulating heat dissipation layer 2 is crossed by irradiationThe combined low-smoke halogen-free flame-retardant polyolefin material is prepared by heating a conductor 1 into an extruder, a first insulating heat dissipation layer 2 is made of an extrusion type extrusion-coated irradiation cross-linking low-smoke halogen-free flame-retardant polyolefin insulating material, the thickness of the first insulating heat dissipation layer 2 is 0.5-0.8 mm, insulating strippability is ensured, the first insulating heat dissipation layer has high temperature resistance and can withstand the high temperature of 150 ℃, a fire prevention layer 3 is formed by overlapping and wrapping multiple layers of glass fiber tapes, the thickness of the fire prevention layer 3 is 0.1-0.3 mm, a fire prevention layer 3 is formed by overlapping and wrapping two layers of glass fiber tapes, the overlapping rate of the two layers of glass fiber tapes is 10-30%, the glass fiber tapes also have flame retardant property, a second insulating heat dissipation layer 5 is coated on the inner side surface of the fire prevention layer 3 and the outer side surface of the fire prevention layer 3, the second insulating heat dissipation layer 5 is a ZS-411 radiation heat dissipation cooling coating, one layer of radiation heat, the service life of the heating cable is prolonged, the outer wall of the outer sheath 4 is provided with the protection teeth 6, and the protection teeth 6 are uniformly distributed along the outer wall of the outer sheath 4 in an annular mode.
Example 2
As shown in FIGS. 1 to 3, in the high-efficiency heat-radiation heating cable of embodiment 1, the outer diameter of the heating conductor 1 is 2.0 to 2.3 mm.
Example 3
As shown in fig. 1 to 3, in the high-efficiency heat dissipation type heating cable according to embodiment 2, the outer sheath 4 and the protective teeth 6 are made of an aluminum metal material.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (9)
1. High-efficient heat dissipation type heating cable, its characterized in that: comprises a heating conductor (1), wherein the cross section of the heating conductor (1) is 10-20 mm2The heating conductor (1) is composed of Gr20Ni35The alloy is made, a heating conductor (1) is sequentially coated with a first insulating heat dissipation layer (2), a fireproof layer (3) and an outer sheath (4) from inside to outside, the inner side surface of the fireproof layer (3) and the outer side surface of the fireproof layer (3) are coated with a second insulating heat dissipation layer (5), and the fireproof layer (3) is formed by overlapping and winding a plurality of layers of glass fiber tapesThe outer wall of the outer sheath (4) is provided with protection teeth (6), and the protection teeth (6) are annularly and uniformly distributed along the outer wall of the outer sheath (4).
2. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the outer diameter of the heating conductor (1) is 1.8-2.5 mm, and the deviation of the wire diameter of the heating conductor (1) is +/-0.05 mm.
3. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the outer diameter of the heating conductor (1) is 2.0-2.3 mm.
4. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the thickness of the fireproof layer (3) is 0.1-0.3 mm.
5. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the fireproof layer (3) is formed by lapping two layers of glass fiber tapes in an overlapping mode, and the overlapping rate of the two layers of glass fiber tapes is 10-30%.
6. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the thickness of the first insulating heat dissipation layer (2) is 0.5-0.8 mm.
7. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the first insulating heat dissipation layer (2) is made of irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin material.
8. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the second insulating heat dissipation layer (5) is radiation heat dissipation cooling coating.
9. A high efficiency heat dissipating heating cable as claimed in claim 1, wherein: the outer sheath (4) and the protective teeth (6) are both made of aluminum metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136852.4U CN211831222U (en) | 2020-01-21 | 2020-01-21 | High-efficient heat dissipation type heating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020136852.4U CN211831222U (en) | 2020-01-21 | 2020-01-21 | High-efficient heat dissipation type heating cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211831222U true CN211831222U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020136852.4U Expired - Fee Related CN211831222U (en) | 2020-01-21 | 2020-01-21 | High-efficient heat dissipation type heating cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211831222U (en) |
Cited By (1)
| 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 |
-
2020
- 2020-01-21 CN CN202020136852.4U patent/CN211831222U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |