CN216528153U

CN216528153U - Novel waterproof cable

Info

Publication number: CN216528153U
Application number: CN202123217456.8U
Authority: CN
Inventors: 戴琪; 杨杰; 杨军华
Original assignee: Jiangsu Xinfeng Cable Co ltd
Current assignee: Jiangsu Xinfeng Cable Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of cables, and discloses a novel waterproof cable which comprises a cable body and a cable core body, wherein the cable body comprises an outer sheath layer, a waterproof protective layer, a desiccant layer and a flame-retardant layer; the cable core has good waterproofness and flame retardance, can effectively avoid moisture infiltration and avoid short circuit caused by dampness, can avoid fire spreading along the cable due to the good flame retardance when a fire disaster occurs, can limit combustion in a local range, improves the safety of the cable, and solves the problems that the existing cables are poor in waterproofness and are easy to cause moisture to enter due to damage of an outer sheath, so that a cable core is short-circuited.

Description

Novel waterproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a novel waterproof cable.

Background

At present, with the development of science and technology, the fields of industry and the like are also rapidly improved, and the use amount of the cable is increased, the cable is usually a cable which is similar to a rope and is formed by twisting at least two stranded wires in each group of a plurality of or a plurality of groups of wires, the wires in each group are mutually insulated and are often twisted around a center, the whole outer surface is coated with a high-insulation covering layer, the types of the cable are various, the cable can be applied to different fields, and the use environment of the cable in different fields is different, so that different requirements are also required on the cable.

The existing cables are poor in waterproofness and easy to cause moisture to enter due to damage of an external sheath, so that a cable core is infected with moisture and is easy to short circuit, and the existing cables are poor in flame retardance, easily cause fire to spread and have large potential safety hazards when a fire disaster occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel waterproof cable which has good waterproofness and flame retardance, can effectively avoid moisture infiltration and can limit combustion within a local range in case of fire.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel waterproof type cable, includes cable body and cable core body, the cable body includes oversheath layer, waterproof layer, drier layer and fire-retardant layer, the oversheath layer sets up the outside at waterproof layer, drier level is between waterproof layer and fire-retardant layer, waterproof layer includes waterproof petroleum paste layer, dacron layer and waterproof roll material layer, waterproof petroleum paste layer sets up the outside on dacron layer, waterproof roll material layer sets up the inboard on dacron layer, fire-retardant layer comprises fire-retardant needle cotton layer, fire retardant layer and zirconia fibre layer, the fire retardant layer is filled between fire-retardant needle cotton layer and zirconia fibre layer.

Preferably, a first insulating layer is arranged on the outer side of the cable core body, and a second insulating layer is arranged on the outer side of the first insulating layer.

Preferably, the first insulating layer is made of polyvinylidene fluoride, the second insulating layer is 0.6-1.2mm thick, and the second insulating layer is made of insulating rubber.

Preferably, the outer sheath layer is made of ceramic silicon rubber, and water-blocking powder is sprayed on the surface of the outer sheath layer.

Preferably, the waterproof roll layer is made of an aluminum-plastic composite waterproof roll, and the thickness of the waterproof roll layer is 0.2-0.5 mm.

Preferably, the material of the flame retardant layer is tetrabromophthalic anhydride, and the thickness of the flame retardant layer is smaller than that of the zirconia fiber layer.

Compared with the prior art, the utility model has the following beneficial effects:

the cable core has good waterproofness and flame retardance, can effectively avoid moisture infiltration and avoid short circuit caused by dampness, can avoid fire spreading along the cable by the good flame retardance when a fire disaster occurs, can limit combustion in a local range, improves the safety of the cable, and solves the problems that the existing cables are poor in waterproofness and easy to cause moisture entering due to damage of an outer sheath so as to cause short circuit of the cable core.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural diagram of the waterproof protective layer of the present invention;

FIG. 4 is a schematic view of the structure of the flame retardant layer of the present invention.

In the figure: 1. a cable body; 101. an outer jacket layer; 102. a waterproof protective layer; 1021. a waterproof petroleum jelly layer; 1022. a polyester layer; 1023. a waterproof roll layer; 103. a desiccant layer; 104. a flame retardant layer; 1041. a flame-retardant needle cotton layer; 1042. a flame retardant layer; 1043. a zirconia fiber layer; 2. a cable core body; 3. a first insulating layer; 4. a second insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a novel waterproof cable includes a cable body 1 and a cable core body 2, the cable core body 2 is disposed inside, the cable body 1 includes an outer sheath layer 101, a waterproof protective layer 102, a desiccant layer 103 and a flame retardant layer 104, the outer sheath layer 101 is disposed outside the waterproof protective layer 102, the desiccant layer 103 is disposed between the waterproof protective layer 102 and the flame retardant layer 104, the waterproof protective layer 102 includes a waterproof petroleum paste layer 1021, a polyester layer 1022 and a waterproof roll layer 1023, the waterproof petroleum paste layer 1021 is disposed outside the polyester layer 1022, the waterproof roll layer 1023 is disposed inside the polyester layer 1022, the flame retardant layer 104 is composed of a flame retardant needle cotton layer 1041, a flame retardant layer 1042 and a zirconium oxide fiber layer 1043, the flame retardant layer 1042 is filled between the flame retardant needle cotton layer 1041 and the zirconium oxide fiber layer 1043, the cable has good waterproofness and flame retardancy, and can effectively prevent moisture from permeating, the short circuit phenomenon that has stopped to be affected with the tide, when the conflagration appeared in addition, the intensity of a fire can be avoided along this cable to stretch to good fire resistance, can restrict the burning in local range, has improved the security of this cable, has solved some current cables waterproof nature not good enough, leads to moisture to get into because of the damage of outside sheath easily to cause the problem of cable core short circuit.

The first insulating layer 3 is arranged on the outer side of the cable core body 2, the second insulating layer 4 is arranged on the outer side of the first insulating layer 3, and the second insulating layer 4 is in contact with the flame-retardant layer 104.

The first insulating layer 3 is made of polyvinylidene fluoride, the second insulating layer 4 is 0.6-1.2mm thick, and the second insulating layer 4 is made of insulating rubber.

The material of oversheath layer 101 is ceramic silicon rubber, and the surface spraying of oversheath layer 101 has the powder that blocks water, and in this embodiment, ceramic silicon rubber material is a neotype polymer refractory material, and the wide application in wire and cable trade through the setting of oversheath layer 101, can effectively improve the fire-resistant fire resistance of this cable.

The material on waterproofing membrane layer 1023 is the compound waterproofing membrane of plastic-aluminum, and the thickness on waterproofing membrane layer 1023 is 0.2-0.5mm, in this embodiment, moulds compound waterproofing membrane and has good waterproof performance and stand viscidity, and the material through design waterproofing membrane layer 1023 is the compound waterproofing membrane of plastic-aluminum, can effectively improve the holistic waterproof nature of this cable.

The material of the flame retardant layer 1042 is tetrabromophthalic anhydride, and the thickness of the flame retardant layer 1042 is smaller than that of the zirconia fiber layer 1043.

The working principle is as follows: through waterproof petroleum jelly layer 1021, setting on dacron layer 1022 and waterproof roll material layer 1023, waterproof petroleum jelly mainly used fills the space of multiconductor wire and cable core, play dampproofing and insulating effect, waterproof petroleum jelly layer 1021 uses the waterproof nature that can effectively improve this cable with the cooperation of waterproof roll material layer 1023, the moisture absorption can be carried out in the setting of drier layer 103 simultaneously, effectively avoid moisture and the contact of cable core, this cable passes through fire-retardant needle cotton layer 1041 simultaneously, fire retardant layer 1042 and zirconia fibre layer 1043's setting, can effectively promote the fire-resistant flame retardant effect of this cable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel waterproof type cable, includes cable body (1) and cable core body (2), its characterized in that: the cable body (1) includes oversheath layer (101), waterproof protection layer (102), drier layer (103) and fire-retardant layer (104), oversheath layer (101) set up the outside at waterproof protection layer (102), drier layer (103) are located between waterproof protection layer (102) and fire-retardant layer (104), waterproof protection layer (102) are including waterproof petroleum paste layer (1021), dacron layer (1022) and waterproof roll material layer (1023), waterproof petroleum paste layer (1021) sets up the outside at dacron layer (1022), waterproof roll material layer (1023) sets up the inboard at dacron layer (1022), fire-retardant layer (104) comprise fire-retardant needle cotton layer (1041), fire-retardant layer (1042) and zirconia fibrous layer (1043), fire-retardant layer (1042) is filled between fire-retardant needle cotton layer (1041) and zirconia fibrous layer (1043).

2. The novel waterproof cable according to claim 1, wherein: the cable core is characterized in that a first insulating layer (3) is arranged on the outer side of the cable core body (2), and a second insulating layer (4) is arranged on the outer side of the first insulating layer (3).

3. The novel waterproof cable according to claim 2, wherein: the material of the first insulating layer (3) is polyvinylidene fluoride, the thickness of the second insulating layer (4) is 0.6-1.2mm, and the material of the second insulating layer (4) is insulating rubber.

4. The novel waterproof cable according to claim 1, wherein: the outer sheath layer (101) is made of ceramic silicon rubber, and water-blocking powder is sprayed on the surface of the outer sheath layer (101).

5. The novel waterproof cable according to claim 1, wherein: the material of waterproof roll material layer (1023) is the compound waterproof roll material of plastic-aluminum, waterproof roll material layer (1023)'s thickness is 0.2-0.5 mm.

6. The novel waterproof cable according to claim 1, wherein: the material of the flame retardant layer (1042) is tetrabromophthalic anhydride, and the thickness of the flame retardant layer (1042) is smaller than that of the zirconia fiber layer (1043).