CN217183502U

CN217183502U - Alloy carbon fiber mixed heating cable with strong waterproof performance

Info

Publication number: CN217183502U
Application number: CN202123241145.5U
Authority: CN
Inventors: 吴忠良
Original assignee: Jiangsu Xingyuan High Temperature Cable Co ltd
Current assignee: Jiangsu Xingyuan High Temperature Cable Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-12
Anticipated expiration: 2031-12-22

Abstract

The utility model provides an alloy carbon fiber mixed heating cable with strong waterproof performance, which comprises a mixed wire core, a double-layer mica wrapping layer, a silicone tube, a moisture absorption layer, a water absorption layer, a waterproof layer and a protective sleeve; the mixed wire core comprises a carbon fiber bundle and an alloy wire, the alloy wire is embedded and mixed in the carbon fiber bundle and is twisted with the carbon fiber bundle into a core strand, and a double-layer mica wrapping layer wraps the outside of the mixed wire core, so that the wire core can be effectively wrapped, and the insulation, fire prevention and high temperature resistance of the cable are improved; on the other hand, the mixed wire core can be further fastened, and the loosening of the mixed wire core is effectively prevented. The silicone tube is arranged outside the mixed wire core, and the effects of insulation, support, buffering and the like are achieved. The silicone tube parcel is outside around the covering at double-deck mica, and the moisture absorption layer, the layer and the waterproof layer that absorb water wrap up in proper order in the outside of silicone tube from inside to outside, and the protective sheath parcel reaches good dampproofing and waterproofing's effect in the outside of waterproof layer.

Description

Alloy carbon fiber mixed heating cable with strong waterproof performance

Technical Field

The utility model relates to a production field of cable conductor especially relates to a mixed cable that generates heat of alloy carbon fiber that waterproof nature is strong.

Background

At present, the core heating body of a plurality of energy-saving heating devices is gradually upgraded to a carbon fiber material from a metal material which is generally adopted in the past. The carbon fiber material mainly considers the characteristics of corrosion resistance, oxidation resistance, high stability, high heat conversion rate and the like of the material in the aspect of heating. Many cable products made of carbon fiber materials can generally reach stable working time of 100000 hours under the environment of 200 ℃, the heat conversion rate is as high as 97%, but because China mostly depends on import at the carbon fiber materials, the specifications of the carbon fibers are fixed, some cables which are not in line with the specifications of the imported carbon fiber heating wire need to be used in some working occasions, therefore, the company designs and produces a novel alloy carbon fiber mixed heating wire, at least one alloy wire is directly inserted into a carbon fiber bundle with fixed specifications, the fixed power of the original carbon fiber heating wire can be changed, the diameter and the number of the alloy wires are adjusted according to actual requirements, the improved mixed heating wire not only retains the advantages of the carbon fiber heating wire, but also can randomly adjust the heating power.

However, the innermost core of the carbon fiber heating wire is a stranded carbon fiber heating wire, especially when reprocessing, the stranded carbon fiber heating wire needs to be disassembled and added with the alloy wire and then stranded again, the stranded carbon fiber and the alloy wire after recoating are very easy to loosen, and when the carbon fiber and the alloy wire are buried in wet ground or other severe environments needing water resistance, water vapor and water vapor are easy to permeate into the stranded carbon fiber heating wire to affect the reliability of the cable, so that the alloy carbon fiber mixed heating cable with strong water resistance is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the alloy carbon fiber mixed heating cable with strong waterproof performance.

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

an alloy carbon fiber mixed heating cable with strong waterproofness comprises a mixed cable core, a double-layer mica wrapping layer, a silicone tube, a moisture absorption layer, a water absorption layer, a waterproof layer and a protective sleeve;

the hybrid core includes carbon fiber bundle and alloy silk, the alloy silk inlays to be inserted and mixes carbon fiber bundle and strand into the core strand jointly with carbon fiber bundle, the outside of hybrid core is wrapping up double-deck mica around the covering, double-deck mica is wrapping up including wrapping up with opposite direction spiral winding the outer two-layer mica tape of sinle silk around the covering, the silicone tube parcel is in double-deck mica is around the covering outside, the moisture absorption layer the layer that absorbs water and the waterproof layer is wrapped up in proper order from inside to outside the outside of silicone tube, the protective sheath parcel is in the outside of waterproof layer.

Preferably, the spiral winding direction of the inner mica tape of the double-layer mica wrapping layer, which is close to the mixed wire core, is the same as the stranding direction of the core strand of the mixed wire core, and the spiral winding direction of the outer mica tape of the double-layer mica wrapping layer is opposite to the direction of the core strand of the mixed wire core.

Preferably, the double-layer mica wrapping layer completely covers and wraps the mixed wire core.

Preferably, the silicone tube is tightly hooped outside the double-layer mica wrapping layer.

Preferably, the moisture absorption layer and the waterproof layer are both ceramic polyolefin sleeves.

Preferably, the water absorbing layer is a water absorbing resin and is filled between the moisture absorbing layer and the water-proof layer.

Preferably, the protective sheath is a rubber protective sheath or a PVC plastic protective sheath.

Compared with the prior art, the beneficial effects of the utility model are that:

the double-layer mica wrapping layer is wound outside a mixed wire core formed by twisting the alloy wires and the carbon fiber bundles, and the two mica tapes are respectively and spirally wound outside the mixed wire core in opposite directions, so that the wire core can be effectively wrapped, and the insulation, fire prevention and high temperature resistance of the cable are improved; on the other hand, the mixed wire core can be further fastened, and the loosening of the mixed wire core is effectively prevented. The silicone tube is arranged outside the mixed wire core, so that the effects of insulation, support, buffering and the like are achieved, the moisture absorption layer, the water absorption layer and the waterproof layer are respectively arranged, a good waterproof and moistureproof effect is achieved, the situation that water vapor and moisture enter the mixed wire core is effectively avoided, and the using effect and the service life of the heating cable are affected.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 a schematic cross-sectional view of a waterproof alloy carbon fiber hybrid heating cable;

fig. 2 is a schematic diagram of an internal structure of an alloy carbon fiber hybrid heating cable with high water resistance.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, an alloy carbon fiber hybrid heating cable with strong waterproofness comprises a hybrid cable core 1, a double-layer mica wrapping layer 2, a silicone tube 3, a moisture absorption layer 4, a water absorption layer 5, a waterproof layer 6 and a protective sleeve 7. Mix sinle silk 1 includes carbon fiber bundle and alloy silk, the alloy silk inlays to be inserted and mixes in carbon fiber bundle and twists into the core thigh jointly with carbon fiber bundle, mix sinle silk 1 outside is wrapping up double-deck mica around covering 2, double-deck mica includes with opposite direction spiral winding parcel two-layer mica tape outside the sinle silk around covering 2, silicone tube 3 wraps up in double-deck mica around covering 2 outside, moisture absorption layer 4, layer 5 and waterproof layer 6 wrap up in proper order in the outside of silicone tube 3 from inside to outside absorb water, protective sheath 7 wraps up in the outside of waterproof layer 6.

Because the utility model discloses a mixed sinle silk 1 is that the carbon fiber bundle is inlayed and is inserted the alloy silk, needs untie finished product carbon fiber bundle to according to conditions such as the power demand that generates heat of reality, the alloy silk of the suitable diameter of disect insertion and quantity. Because carbon fiber bundle is through dismantling and twisting again, consequently still probably trample loose because rolling in the use, if service environment is moist, inside the mixed core of conductor 1 is then infiltrated to steam easily, has greatly influenced the result of use.

The utility model discloses twine double-deck mica around covering 2 outside alloy silk and carbon fiber bundle transposition formation's mixed sinle silk 1, double-deck mica is constituteed by two mica tapes around covering 2, one of them mica tape directly twines outside mixed sinle silk 1, from the one end spiral winding of mixed sinle silk 1 to the other end, wrap up mixed sinle silk 1 completely, then twine another mica in the outside of mica tape layer before with opposite direction spiral, through the reverse mica tape winding parcel of bilayer, can effectively wrap up the sinle silk on the one hand, improve the insulation of cable, prevent fires, high temperature resistance; on the other hand, the mixed wire core 1 can be further fastened, and the loosening of the mixed wire core is effectively prevented.

The silicone tube 3 is arranged outside the mixed wire core 1, plays roles of insulation, support, buffering and the like, and is respectively provided with the moisture absorption layer 4, the water absorption layer 5 and the waterproof layer 6, so that a good waterproof and moistureproof effect is achieved, and the phenomenon that water vapor and moisture enter the mixed wire core 1 to influence the use effect and the service life of the heating cable is effectively avoided.

In an embodiment, double-deck mica is the same around the spiral winding direction of the adjacent mixed core 1's of covering 2 inlayer mica tape and mixed core 1's core strand transposition direction, and double-deck mica is opposite with mixed core 1's core strand direction around the spiral winding direction of the outer mica tape of covering 2 for mixed core 1 obtains better parcel, and the parcel of double-deck twofold direction is twined, can effectively avoid mixed core 1 loose.

In an embodiment, double-layer mica wraps the mixed wire core 1 completely in a covering mode through the covering layer 2, and better insulation, waterproof and high-temperature-resistant effects can be achieved.

In an embodiment, 3 tight hoops of silicone tube are around the covering 2 outside at double-deck mica, further play the effect of tight bundle mixed core 1 to because 3 materials of silicone tube are softer, can play the supporting role in, can also guarantee the crooked usability of cable, and can effectively cushion tramples the impact of rolling etc. outside bringing, effectively protect mixed core 1 and prevent its loose deformation.

In one embodiment, the moisture absorption layer 4 and the waterproof layer 6 are both ceramic polyolefin sleeves; the water-absorbing layer 5 is a water-absorbing resin and is filled between the moisture-absorbing layer 4 and the waterproof layer 6. The dampproof course, absorb water layer 5 and waterproof layer 6 are three-layer waterproof construction, can prevent that it from getting into in the mixed sinle silk 1 with the effective separation of the moist steam in the external environment or absorbing, have improved the water-proof effects of cable greatly.

In one embodiment, the protective sheath 7 is a rubber protective sheath 7 or a PVC plastic protective sheath 7, which serves as an outermost layer of protection.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. The utility model provides a mixed cable that generates heat of alloy carbon fiber that waterproof nature is strong which characterized in that: the waterproof wire comprises a mixed wire core, a double-layer mica wrapping layer, a silicone tube, a moisture absorption layer, a water absorption layer, a waterproof layer and a protective sleeve;

2. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 1, wherein: the spiral winding direction of the inner mica tape of the double-layer mica wrapping layer, which is close to the mixed wire core, is the same as the stranding direction of the core strand of the mixed wire core, and the spiral winding direction of the outer mica tape of the double-layer mica wrapping layer is opposite to the direction of the core strand of the mixed wire core.

3. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 2, wherein: the double-layer mica wrapping layer completely covers and wraps the mixed wire core.

4. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 1, wherein: the silicone tube is tightly hooped on the outer side of the double-layer mica wrapping layer.

5. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 1, wherein: the moisture absorption layer and the waterproof layer are both ceramic polyolefin sleeves.

6. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 5, wherein: the water absorption layer is made of water absorption resin and is filled between the moisture absorption layer and the waterproof layer.

7. The alloy carbon fiber hybrid heating cable having a strong waterproof property according to claim 1, wherein: the protective sleeve is a rubber protective sleeve or a PVC plastic protective sleeve.