CN210609741U

CN210609741U - Corrosion-resistant high-temperature-resistant high-strength explosion-proof heating cable

Info

Publication number: CN210609741U
Application number: CN201921333612.7U
Authority: CN
Inventors: 李杰尉; 方国华
Original assignee: Xinjiang Huyang Cable Manufacturing Co ltd
Current assignee: Xinjiang Huyang Cable Manufacturing Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-22
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to the field of cables, and discloses a corrosion-resistant, high-temperature-resistant, high-strength and explosion-proof heating cable; the power cable comprises a power cable core, wherein an insulating layer is wound and wrapped outside the power cable core, an anti-corrosion layer is extruded and wrapped outside the insulating layer, a high-strength layer is wound and wrapped outside the anti-corrosion layer, and an outer protective layer is wound and wrapped outside the high-strength layer; the cable is located the upper end of outer protective layer is equipped with radiating fin, the cable is located the lower extreme of outer protective layer evenly is equipped with the barb structure. The utility model discloses shown cable is corrosion-resistant, high temperature resistant, intensity is high, explosion-proof, uses carbon fiber heating conductor as the power sinle silk, and the effect of generating heat is better.

Description

Corrosion-resistant high-temperature-resistant high-strength explosion-proof heating cable

Technical Field

The utility model relates to a cable technical field, more specifically say, in particular to explosion-proof heating cable of corrosion-resistant high temperature resistant high strength.

Background

The indoor heating modes in winter in China mainly include two modes: firstly, the heating installation, secondly the electric heating equipment, its heating system all adorns more than indoor ground, and its weak point lies in: firstly, the indoor temperature is high and low, so that the health care concept of keeping warm and keeping out cold and keeping warm is not satisfied; secondly, the energy consumption is high, and the economic burden of a user is increased; thirdly, the temperature is not easy to adjust, uneven room-to-room, uneven top and bottom, poor temperature comfort, especially for heating, when the temperature is too high, the temperature is often reduced by adopting a windowing ventilation method, which causes serious energy waste; and fourthly, metering and charging can not be controlled by a single household, particularly for collective heating, metering and charging of the single household are very difficult, so that more than one household is used, the consciousness is saved, and unnecessary waste is caused because air supply is forced for some houses which do not need heating.

In order to improve the defects of the heating mode, at present, the internationally recognized advanced heating mode adopts a heating cable heating technology, namely a pure resistance circuit is utilized, and heating is carried out by a heating element and an intelligent temperature control system, the heating technology adopts an underground heating mode, indoor intelligent management and household automatic control charging are carried out, the defects of the technology can be overcome, and the underground heating mode has the advantages of no noise, no smoke, no waste gas, space saving, small temperature difference, no maintenance, wide application range and the like, the used heating cable is composed of a core wire and an outer sheath layer, the outer sheath layer is made of thermoplastic materials such as PVC, PA, HDPE and the like, and contains a plasticizer and a heat stabilizer; a single-layer insulating sleeve layer is additionally arranged between the core wire and the outer sheath layer, the heating temperature of the heating cables can reach 80-2300 ℃, and the purpose of effective heating can be achieved, but the currently used geothermal cables have some defects: firstly, the heat dissipation is uneven and easy to age; secondly, the additive in the plastic can generate a small amount of toxic chimney gas when the plastic is heated, particularly when the cable is subjected to flashover combustion, and the living environment can be polluted after the plastic is used for a long time; meanwhile, moisture and water exist in the high-temperature and cooling processes; thirdly, the corrosion resistance, high temperature resistance and explosion prevention effect are poor; fourthly, the service life is short, and the service life equal to that of a building cannot be ensured. In view of this, how to provide an explosion-proof heating cable with corrosion resistance, high temperature resistance and high strength is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

An object of the utility model is to provide an explosion-proof heating cable of corrosion-resistant high temperature resistant high strength to improve the explosion-proof heating cable of corrosion-resistant high temperature resistant high strength of cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable comprises a power wire core, wherein an insulating layer is wound outside the power wire core, an anti-corrosion layer is extruded outside the insulating layer, a high-strength layer is wound outside the anti-corrosion layer, and an outer protective layer is wound outside the high-strength layer; the cable is located the upper end of outer protective layer is equipped with radiating fin, the cable is located the lower extreme of outer protective layer evenly is equipped with the barb structure.

Preferably, the power wire core is formed by twisting a plurality of carbon fiber heating conductors.

Preferably, the cross-sectional structure of the power wire core is flat.

Preferably, the insulating layer is specifically a ceramic silicone rubber.

Preferably, the corrosion protection layer is in particular polyester.

Preferably, the thickness of the polyester is not less than 30 microns.

Preferably, the high-strength layer is a galvanized steel wire mesh grid.

Preferably, the outer protective layer is in particular a high temperature resistant elastomer jacket.

Compared with the prior art, the utility model has the advantages of:

(1) the cable disclosed by the utility model is corrosion-resistant, high temperature-resistant, high in strength and explosion-proof, and the carbon fiber heating conductor is used as the power wire core, so that the heating effect is better;

(2) the power wire core of the utility model is formed by twisting a plurality of carbon fiber heating conductors, and has the advantage of good conduction effect compared with a pure resistance type; meanwhile, the plurality of carbon fiber heating conductors are twisted to improve the structural strength of the power wire core and avoid the influence of the fracture of the power wire core on the service life; in addition, the section of the power wire core 1 in the embodiment of the utility model is flat, compared with the round shape in the prior art, the heat dissipation area is increased, and thus the heating effect is better;

(3) the utility model discloses an insulating layer is ceramic silicon rubber, has characteristics such as splendid fire prevention, fire-retardant, low cigarette, nontoxic, and extrusion moulding simple process, and its residue after the burning is hard ceramic shell, and the crust does not melt and does not drip in the conflagration environment, and ceramic silicon rubber heat conductivility is good, is applicable to the heating cable very much and uses;

(4) the anti-corrosion layer of the utility model further improves the anti-corrosion performance of the cable, can be polyester, is convenient to extrude and wrap the polyester, has rich raw materials, and has very good mechanical property, wear resistance, creep resistance and electrical insulation performance;

(5) the high-strength layer of the utility model is a galvanized steel wire mesh grid, and the structural strength of the steel wire is improved and the corrosivity is reduced by galvanizing the outside of the traditional steel wire; the outer protective layer can be a high-temperature-resistant elastomer sheath which has good high-temperature resistance, low toxicity and good environmental protection performance;

(6) in order to improve the heat dissipation performance, the embodiment of the utility model is provided with the heat dissipation fins at the upper end of the outer protection layer, and the heat dissipation fins improve the heat dissipation effect; meanwhile, in order to avoid the displacement of the cable in the use process, the barb structure is arranged at the lower end of the outer protection layer, and the friction force between the cable and the ground is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the cross-sectional structure schematic diagram of the anti-explosion heating cable of the embodiment of the utility model discloses anti-corrosion high temperature resistant high strength.

Description of reference numerals: the power cable comprises a power cable core 1, an insulating layer 2, an anti-corrosion layer 3, a high-strength layer 4, an outer protective layer 5, a radiating fin 6 and a barb structure 7.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1, the corrosion-resistant, high-temperature-resistant, high-strength and explosion-proof heating cable according to an embodiment of the present invention includes a power cable core 1, an insulating layer 2 is wrapped around the power cable core 1, an anti-corrosion layer 3 is extruded outside the insulating layer 2, the anti-corrosion layer 3 is wrapped around a high-strength layer 4, and an outer protective layer 5 is wrapped around the high-strength layer 4; the cable is located the upper end of outer protective layer 5 is equipped with radiating fin 6, the cable is located the lower extreme of outer protective layer 5 evenly is equipped with barb structure 7, power sinle silk 1 is formed by the transposition of plural root carbon fiber heating conductor, the cross-sectional structure that power sinle silk 1 is at is the platykurtic, insulating layer 2 specifically is ceramic silicon rubber, anti-corrosion coating 3 specifically is the polyester, the thickness of polyester is not less than 30 microns, high strength layer 4 specifically is galvanized steel wire woven mesh, outer protective layer 5 specifically is high temperature resistant elastomer sheath.

In the embodiment of the utility model, the power wire core 1 is formed by twisting a plurality of carbon fiber heating conductors, wherein the carbon fiber heating conductors are applied with voltage at two ends of carbon fiber, and the far infrared carbon fiber conducts heat in a way of radiating energy outwards in a far infrared mode, and compared with a pure resistance type, the power wire core has the advantage of good conduction effect; meanwhile, the plurality of carbon fiber heating conductors are twisted to improve the structural strength of the power wire core 1, so that the influence of the breakage of the power wire core 1 on the service life is avoided; just the embodiment of the utility model provides an in 1 cross-section of power sinle silk be the platykurtic, compare the circle among the prior art, increased heat radiating area to the effect of generating heat is better.

The embodiment of the utility model provides an insulating layer 2 at power sinle silk 1 setting, wherein insulating layer 2 specifically is ceramic silicon rubber, ceramic silicon rubber has splendid fire prevention, it is fire-retardant, low cigarette, characteristics such as nontoxic, extrusion moulding simple process, its post-combustion residue is hard ceramic casing, the crust does not melt and does not drip in fire environment, stipulate under 950 ℃ -1000 ℃ temperature in accessible GB/T19216.21-2003, receive fire 90min, the experiment of cooling 15min circuit integrality, be applicable to the place of any needs fire prevention, electric power transmission has played firm protection in guaranteeing that the conflagration condition is unobstructed. And the ceramic silicon rubber has good heat-conducting property and is very suitable for heating cables.

And simultaneously, the embodiment of the utility model provides an anti-corrosion coating 3 that sets up outside insulating layer 2, and anti-corrosion coating 3's thickness is not less than 30 microns, has further improved the corrosion resisting property of cable, and anti-corrosion coating 3 can be polyester, and the crowded package of polyester is convenient, raw and other materials are abundant, and mechanical properties, wearability, creep resistance and electrical insulation performance are all very good.

The utility model discloses high strength layer 4 is galvanized steel wire mesh grid, and the galvanized treatment outside traditional steel wire has improved the structural strength of steel wire to corrosivity has been reduced. The outer protective layer 5 can be a high-temperature-resistant elastomer sheath which has good high-temperature resistance, low toxicity and good environmental protection performance.

Finally, the embodiment of the utility model provides a for improving heat dispersion, be provided with radiating fin 6 in the upper end of outer protective layer 5, radiating fin 6 has improved the radiating effect. Meanwhile, in order to avoid the displacement of the cable in the use process, the barb structure 7 is arranged at the lower end of the outer protection layer 5, and the friction force between the cable and the ground is improved.

This is the principle of operation of the embodiments of the present invention, and what is not described in detail in this specification is the prior art that is well known to those skilled in the art.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner of the patent within the scope of the appended claims, for example, as long as the protection scope described in the claims of the present invention is not exceeded.

Claims

1. The anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable is characterized by comprising a power wire core (1), wherein an insulating layer (2) is wound and coated outside the power wire core (1), an anti-corrosion layer (3) is extruded and coated outside the insulating layer (2), a high-strength layer (4) is wound and coated outside the anti-corrosion layer (3), and an outer protective layer (5) is wound and coated outside the high-strength layer (4);

the cable is located the upper end of outer protective layer (5) is equipped with radiating fin (6), the cable is located the lower extreme of outer protective layer (5) evenly is equipped with barb structure (7).

2. The anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable as claimed in claim 1, wherein the power wire core (1) is formed by twisting a plurality of carbon fiber heating conductors.

3. The anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable according to claim 1 or 2, wherein the cross-sectional structure of the power wire core (1) is flat.

4. The anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable according to claim 1, wherein the insulating layer (2) is specifically ceramic silicone rubber.

5. A corrosion-resistant high-temperature-resistant high-strength explosion-proof heating cable according to claim 1, wherein the corrosion-resistant layer (3) is polyester.

6. A corrosion-resistant high-temperature-resistant high-strength explosion-proof heating cable according to claim 5, wherein the thickness of the polyester is not less than 30 μm.

7. The anti-corrosion high-temperature-resistant high-strength anti-explosion heating cable as claimed in claim 1, wherein the high-strength layer (4) is a galvanized steel wire mesh grid.

8. A corrosion-resistant high-temperature-resistant high-strength explosion-proof heating cable according to claim 1, wherein the outer protective layer (5) is a high-temperature-resistant elastomer sheath.