CN214956120U

CN214956120U - Waterproof and moisture-resistant household power cable

Info

Publication number: CN214956120U
Application number: CN202121203644.2U
Authority: CN
Inventors: 王相坤
Original assignee: Kunge Cable Co ltd
Current assignee: Kunge Cable Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-30
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a waterproof moisture-resistant domestic power cable, including the RVV body, the RVV body is wrapped around having the polymer waterproofing membrane outward, and the polymer waterproofing membrane is provided with compound dampproof course outward, and compound dampproof course is provided with the water blocking layer outward, and the water blocking layer is provided with the waterproof layer outward, and the waterproof layer is provided with the copper wire and weaves the shielding layer, and the copper wire weaves the shielding layer outward around having the yarn that blocks water, blocks water and is provided with the rubber sleeve outward. This wire and cable has waterproof and moisture-resistant performance to can also make the cable reach anticorrosive effect in damp-proofing through compound dampproof course, this waterproof moisture-resistant power cable has greatly improved the quality safety and the performance of product, it has the oleamen to fill between compound dampproof course and the polymer water proof and the water blocking layer, the oleamen has good cohesiveness, plasticity, water resistance, corrosivity and durability, the closely knit degree and the water-proof effects of promotion cable.

Description

Waterproof and moisture-resistant household power cable

Technical Field

The utility model relates to a power cable technical field, concretely relates to waterproof moisture-resistant domestic power cable.

Background

The RVVP cable wire is a cable with a shielding layer and a PVC sheath outside a flexible conductor PVC insulating wire, the RVV cable wire is a copper core polyvinyl chloride PVC insulating polyvinyl chloride sheath flexible wire, also called a light polyvinyl chloride sheath flexible wire, commonly called a flexible sheath wire, and is a sheath wire, and compared with the RVV cable wire, the RVVP cable wire adopts the copper wire to weave shielding, and the product has better electromagnetic compatibility characteristic, so the RVVP cable wire is particularly suitable for installation places with severe electromagnetic environment and small installation distance. The RVV electric wire is mainly applied to power lines, control lines and signal transmission lines for electric appliances, instruments, electronic equipment and automation devices, and particularly can be used for an anti-theft alarm system, a building intercom system and the like. rvv the electric wire is the most common cable for weak current system, and has two or more core wires with PVC sheath. The RVVP cable line product is mainly used for shielding circuits of electric appliances, instruments, electronic equipment, automation devices and the like with the AC rated voltage of 300/300V and below, can be installed in bridges and hoses and is used for indoor installation, and is used for instruments, talkbacks, monitoring, control installation and sound broadcasting.

Whether the RVV/RVVP electric wire and cable are used, the RVV/RVVP electric wire and cable are usually subjected to some dark and closed use environments, and after the RVV/RVVP electric wire and cable are influenced by the ambient environment day by day, the cable skin is broken, water enters the cable, the electric wire and cable are short-circuited, even fire and other major safety accidents are caused, and the life and property safety of people is threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof moisture-resistant domestic power cable to solve wire and cable under dark inclosed service environment, receive the influence back that the surrounding environment is long-pending long-term and tired, can appear the cable epidermis and break, inside is intake, leads to wire and cable short circuit to arouse great incident such as conflagration even, threatens people's life and property safety's problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a waterproof moisture-resistant domestic power cable, includes the RVV body, the RVV body is wrapped outward and is had polymer waterproof film, polymer waterproof film is provided with compound dampproof course outward, be provided with the water blocking layer outward, the water blocking layer is provided with the waterproof layer outward, the waterproof layer is provided with the copper wire and weaves the shielding layer, the copper wire weaves the shielding layer and winds outward and has the yarn that blocks water, the yarn that blocks water is provided with the rubber sleeve outward.

The further technical scheme is as follows: and a water absorption cotton sliver is filled between the cable cores in the RVV body.

The further technical scheme is as follows: and a reinforcing core is arranged between the cable cores.

The further technical scheme is as follows: the composite moisture-proof layer is formed by sequentially compounding a polyurethane anticorrosive layer, a plurality of water locking strips and a PVC insulating layer, and the PVC insulating layer is provided with a plurality of breathable micropores.

The further technical scheme is as follows: the water locking strip is made of aerogel in a strip shape.

The further technical scheme is as follows: the polyurethane anticorrosive coating with be provided with the cavity between the PVC insulating layer, just the cavity outwards forms the arch, the water locking strip is installed in the cavity.

The further technical scheme is as follows: factice is filled between the composite moisture-proof layer and the polymer water-resisting film and between the composite moisture-proof layer and the water-resisting layer.

The further technical scheme is as follows: the waterproof layer is a paper-base asphalt felt wrapping layer, and the waterproof layer is a high-strength rubber waterstop wrapping layer.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a waterproof moisture-resistant domestic power cable, RVV body sets gradually waterproofing membrane, compound dampproof course, water blocking layer and waterproof layer outward, has guaranteed that wire and cable has waterproof and water-resistant and moisture-resistant performance to can also make the cable reach anticorrosive effect in damp-proofing through compound dampproof course, this waterproof moisture-resistant domestic power cable has greatly improved the quality safety and the performance of product.

2. The factice is filled between the composite moisture-proof layer and the high polymer water-resisting and water-blocking layer, has good cohesiveness, plasticity, water resistance, corrosion resistance and durability, and further improves the compactness of the cable.

Drawings

Fig. 1 is a schematic structural view of a waterproof and moisture-resistant household power cable of the present invention.

Reference numerals: 1. an RVV body; 2. a polymeric waterproof film; 3. a composite moisture barrier; 3a, a polyurethane anticorrosive layer; 3b, locking the water bar; 3c, PVC insulating layer; 4. a water resistant layer; 5. a waterproof layer; 6. weaving a shielding layer by using copper wires; 7. water-blocking yarn; 8. a rubber sleeve; 11. a cable core; 12. a water-absorbing cotton sliver; 13. a reinforcing core; 14. a cavity; 15. ointment.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiment fig. 1 shows a waterproof and moisture-resistant household electric power cable, which includes an RVV body 1 that is a general cable manufactured by national standards, the basic structure and requirements of the RVV body 1 are adopted when manufacturing the waterproof and moisture-resistant household electric power cable, a macromolecule waterproof film 2 is wound outside the RVV body 1, a composite moisture-proof layer 3 is sleeved outside the macromolecule waterproof film 2, a water-resistant layer 4 is arranged outside the composite moisture-proof layer 3, a waterproof layer 5 is arranged outside the water-resistant layer 4, a conventional copper wire braided shielding layer 6 is arranged on the waterproof layer 5, the waterproof yarn 7 is wound outside the copper wire braided shielding layer 6, the rubber sleeve 8 is arranged outside the waterproof yarn 7, the waterproof and moisture-resistant performances of the household electric wire and cable are ensured, and can also make the cable reach anticorrosive effect when dampproofing through compound dampproofing 3, this waterproof moisture-resistant domestic power cable has greatly improved the quality safety and the performance of product.

Wherein, the absorbent cotton slivers 12 are filled between the cable cores 11 in the RVV body 1, so that the toughness and the water absorption of the waterproof and moisture-resistant household power cable are enhanced, and the dryness of the cable cores 11 is ensured. And a reinforcing core 13 is arranged between the cable cores 11, so that the strength of the waterproof and moisture-resistant household electric power cable is improved.

Composite moisture barrier 3 is by polyurethane anticorrosive coating 3a in proper order, a plurality of locking water strip 3b and PVC insulating layer 3c are compound to be formed, polyurethane anticorrosive coating 3a plays anticorrosive action, outwards refer to according to cable core 11, it is located the outside, PVC insulating layer 3c plays insulating action, participate in, be located the inboard, locking water strip 3b is made for super absorbent material, strip form or locking water resin etc. that the aerogel was made, be located between polyurethane anticorrosive coating 3a and the VC insulating layer 3c, play the effect of water absorption locking, be provided with a plurality of ventilative micropores on the PVC insulating layer 3c, be favorable to the inside unexpected intake of cable, make things convenient for the moisture transmission to carry out the drying in the locking water strip 3 b.

On the basis of above-mentioned embodiment, furtherly, be provided with cavity 14 between polyurethane anticorrosive coating 3a and the PVC insulating layer 3c, and cavity 14 outwards forms the arch, and water locking strip 3b installs in cavity 15, can expand when water locking strip 3b absorbs water, needs cavity 15 to hold, prevents that the cable from receiving water locking strip 3b inflation extrusion force and warp. Factice 15 is filled between the composite moisture-proof layer 3 and the high-molecular waterproof film 2 and the waterproof layer 4, and the factice 15 has good cohesiveness, plasticity, water resistance, corrosion resistance and durability, so that the compactness and the waterproof effect of the cable are further improved.

The waterproof layer 4 is a paper base asphalt felt wrapping layer, and the waterproof layer 5 is a high-strength rubber waterstop wrapping layer.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a waterproof moisture-resistant domestic power cable which characterized in that: including RVV body (1), RVV body (1) is outer around having wrapped polymer waterproof film (2), be provided with compound dampproof course (3) outside polymer waterproof film (2), be provided with water blocking layer (4) outside compound dampproof course (3), water blocking layer (4) are provided with waterproof layer (5) outward, waterproof layer (5) are provided with the copper wire and weave shielding layer (6), shielding layer (6) are woven to the copper wire is outer around being wrapped up and is had yarn (7) block water, yarn (7) block water are provided with rubber sleeve (8) outward.

2. The waterproof moisture-resistant household electric power cable according to claim 1, wherein: and a water absorption cotton sliver (12) is filled between the cable cores (11) in the RVV body (1).

3. The waterproof moisture-resistant household electric power cable according to claim 2, wherein: and a reinforcing core (13) is arranged between the cable cores (11).

4. The waterproof moisture-resistant household electric power cable according to claim 1, wherein: the composite moisture-proof layer (3) is formed by sequentially compounding a polyurethane anticorrosive layer (3a), a plurality of water locking strips (3b) and a PVC insulating layer (3c), and a plurality of breathable micropores are formed in the PVC insulating layer (3 c).

5. The waterproof moisture-resistant household electric power cable according to claim 4, wherein: the water locking strips (3b) are made of aerogel in a strip shape.

6. The waterproof moisture-resistant household electric power cable according to claim 4, wherein: polyurethane anticorrosive coating (3a) with be provided with cavity (14) between PVC insulating layer (3c), just cavity (14) outwards form the arch, water locking strip (3b) are installed in cavity (14).

7. The waterproof moisture-resistant household electric power cable according to claim 1, wherein: factice (15) is filled between the composite moisture-proof layer (3) and the polymer waterproof film (2) and the waterproof layer (4).

8. The waterproof moisture-resistant household electric power cable according to claim 1, wherein: the waterproof layer (4) is a paper-base asphalt felt wrapping layer, and the waterproof layer (5) is a high-strength rubber water stop belt wrapping layer.