CN211479734U

CN211479734U - Dual waterproof cable for boats and ships

Info

Publication number: CN211479734U
Application number: CN201922451178.9U
Authority: CN
Inventors: 周敏; 邵晨; 杨吉铭; 朱周亮
Original assignee: Changshu Yabang Ship Electrical Co ltd
Current assignee: Changshu Yabang Ship Electrical Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a dual waterproof cable is used to boats and ships, including inner core, isolation layer, shielding layer and oversheath, many the inner core set up the inside at the isolation layer respectively, the space intussuseption in the middle of inner core and the isolation layer be filled with the area that absorbs water, the shielding layer parcel in the outside of isolation layer, the oversheath set up the outside at the shielding layer, shielding layer and oversheath between still be provided with the water blocking layer. Through the above, the utility model provides a dual waterproof cable is used to boats and ships, cable have good corrosion resistance and interference killing feature, and reach dual waterproof effect through area and the water blocking layer that absorbs water, avoid inside water gets into the cable to prevent that the short circuit from appearing in inside inner core, long service life is applicable to the boats and ships cable and lays the use.

Description

Dual waterproof cable for boats and ships

Technical Field

The utility model relates to a technical field of boats and ships accessory especially relates to a dual waterproof cable is used to boats and ships.

Background

Wire and cable are wire products for transmitting electric energy, electric signals and realizing electromagnetic energy conversion. A cable generally comprises a core for transmitting power or electrical signals and a sheath for protecting and insulating.

At present, the structure of cable is generally for a plurality of sinle silks directly wrap up in insulating material, does not have the interval between the adjacent sinle silks, so, the in-process of transmission in respective sinle silk of different signals, can take place the electromagnetic interference phenomenon between the different signals, has influenced the application of this cable, does not possess corresponding waterproof performance simultaneously yet.

As is well known, the marine environment is complex and changeable, and electromagnetic interference resistance and waterproof cables are urgently needed when ship cables are laid in ships.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a dual waterproof cable is used to boats and ships, and the cable has good corrosion resistance and interference killing feature, and reaches dual waterproof effect through area and the water blocking layer that absorbs water, avoids inside water gets into the cable to prevent that the short circuit from appearing in inside inner core, long service life is applicable to the boats and ships cable and lays the use.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a dual waterproof cable is used to boats and ships, includes inner core, isolation layer, shielding layer and oversheath, many the inner core set up respectively in the inside of isolation layer, the space intussuseption in the middle of inner core and the isolation layer be filled with the area that absorbs water, the shielding layer parcel in the outside of isolation layer, the oversheath set up the outside at the shielding layer, shielding layer and oversheath between still be provided with the water blocking layer.

In a preferred embodiment of the present invention, the inner core includes a plurality of conductor cores and a plurality of conductor insulating layers, the plurality of conductor cores are interlaced and connected to form a conductor, and the conductor insulating layers are wrapped around the periphery of the conductor.

In a preferred embodiment of the present invention, the number of conductor cores in each core is 4-8.

In a preferred embodiment of the present invention, the number of the cores is 3-5.

In a preferred embodiment of the present invention, the conductor insulating layer, the isolation layer and the outer sheath are made of insulating rubber material.

In a preferred embodiment of the present invention, the shielding layer is a mesh-like woven structure made of a metal material, and the weaving density is not less than 85%.

In a preferred embodiment of the present invention, the water-blocking layer is a semi-conductive water-blocking tape.

In a preferred embodiment of the present invention, the water-absorbing belt is made of a non-woven fabric material.

In a preferred embodiment of the present invention, the outer sheath is coated with a teflon anti-corrosion layer on the outer circumference.

In a preferred embodiment of the present invention, the thickness of the corrosion-resistant layer of PTFE is 10-20um

The utility model has the advantages that: the utility model discloses a dual waterproof cable is used to boats and ships, cable have good corrosion resistance and interference killing feature, and reach dual waterproof effect through area and the water blocking layer that absorbs water, avoid inside water gets into the cable to prevent that the short circuit from appearing in inside inner core, long service life is applicable to the boats and ships cable laying and uses.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

fig. 1 is a schematic cross-sectional view of a preferred embodiment of the dual waterproof cable for a ship according to the present invention;

the labels in the figures are: 1. the water-absorbing and water-proof composite cable comprises an inner core, 2 parts of an isolation layer, 3 parts of a shielding layer, 4 parts of an outer sheath, 5 parts of a water-absorbing tape, 6 parts of a water-blocking layer, 7 parts of a polytetrafluoroethylene anti-corrosion layer, 11 parts of a conductor, 12 parts of a conductor insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the embodiment of the present invention includes:

a marine double waterproof cable comprises an inner core 1, an isolation layer 2, a shielding layer 3 and an outer sheath 4.

The inner cores 1 are respectively arranged inside the isolation layer 2, a water absorption belt 5 is filled in a gap between each inner core 1 and the isolation layer 2, the shielding layer 3 wraps the outer portion of the isolation layer 2, the outer sheath 4 is arranged on the outer portion of the shielding layer 3, and a water blocking layer 6 is further arranged between the shielding layer 3 and the outer sheath 4.

In the above, the number of the inner cores is 3-5. The inner core 1 comprises conductor cable cores and conductor insulating layers 12, the conductor cable cores are interwoven to form a conductor 11, and the conductor insulating layers 12 wrap the periphery of the conductor 11. Wherein, the number of the conductor core wires in each inner core 1 is 4-8.

In this embodiment, the conductor insulating layer 12, the isolation layer 2 and the outer sheath 4 are all made of insulating rubber materials, so as to achieve a good insulating effect.

Furthermore, the shielding layer 3 is of a mesh-shaped woven structure made of metal materials, the weaving density is not less than 85%, and the shielding layer has a good shielding effect and strong anti-electromagnetic interference capability.

Wherein, the water-blocking layer 6 is a semi-conductive water-blocking tape; the water absorption belt 5 is made of non-woven fabric materials, achieves double waterproof functions, is suitable for being used in a humid environment, and is good in waterproof effect, so that the problem that the inner core 1 inside is short-circuited is solved.

In this embodiment, a polytetrafluoroethylene anti-corrosion layer 7 is coated on the outer periphery of the outer sheath 4, wherein the thickness of the polytetrafluoroethylene anti-corrosion layer is 10-20 um. The cable has good corrosion resistance and ageing resistance, the service life of the cable is prolonged, and meanwhile, the waterproof performance is further enhanced.

To sum up, the utility model discloses a dual waterproof cable is used to boats and ships, cable have good corrosion resistance and interference killing feature, and reach dual waterproof effect through area and the water blocking layer that absorbs water, avoid inside water gets into the cable to prevent that the short circuit from appearing in inside inner core, long service life is applicable to the boats and ships cable and lays the use.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides a dual waterproof cable for boats and ships, its characterized in that includes inner core, isolation layer, shielding layer and oversheath, many the inner core set up respectively in the inside of isolation layer, the space intussuseption in the middle of inner core and the isolation layer be filled with the area that absorbs water, the shielding layer parcel in the outside of isolation layer, the oversheath set up the outside at the shielding layer, shielding layer and oversheath between still be provided with the water blocking layer.

2. The marine double waterproof cable according to claim 1, wherein the inner core includes a plurality of conductor cores and a plurality of conductor insulating layers, the plurality of conductor cores are interlaced and connected to form a conductor, and the conductor insulating layers are wrapped around the outer circumference of the conductor.

3. The marine double waterproof cable according to claim 2, wherein the number of the conductor cores in each inner core is 4 to 8.

4. The marine double waterproof cable according to claim 3, wherein the number of the inner cores is 3 to 5.

5. The marine double waterproof cable as claimed in claim 2, wherein the conductor insulating layer, the insulating layer and the outer sheath are made of an insulating rubber material.

6. The marine double waterproof cable according to claim 1, wherein the shielding layer has a mesh-like braided structure made of a metal material, and a braiding density is not less than 85%.

7. The marine double waterproof cable according to claim 1, wherein the water blocking layer is a semiconductive water blocking tape.

8. The marine double waterproof cable as claimed in claim 1, wherein the water absorption band is made of a non-woven fabric material.

9. The marine double waterproof cable according to claim 1, wherein a polytetrafluoroethylene corrosion prevention layer is coated on an outer circumference of the outer sheath.

10. The marine double waterproof cable according to claim 9, wherein the polytetrafluoroethylene corrosion prevention layer has a thickness of 10-20 um.