CN215496082U - Marine watertight cable - Google Patents
Marine watertight cable Download PDFInfo
- Publication number
- CN215496082U CN215496082U CN202122288963.4U CN202122288963U CN215496082U CN 215496082 U CN215496082 U CN 215496082U CN 202122288963 U CN202122288963 U CN 202122288963U CN 215496082 U CN215496082 U CN 215496082U
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- cable
- water
- layer
- watertight
- blocking
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 31
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 11
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 10
- 238000009941 weaving Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 55
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a ship watertight cable which comprises cable cores, a cable isolation layer and a sheath layer, wherein the cable cores are positioned inside the cable isolation layer, watertight filling agents are filled between the cable cores and the cable isolation layer, the sheath layer is sleeved outside the cable isolation layer, and water blocking glue is coated inside the sheath layer and the cable cores. According to the utility model, the gaps in the cable can be filled with the water-blocking glue and the water-tight filler, so that the flowing speed of water in the cable is delayed on the whole length of the cable under the condition that the outer sheath of the cable is damaged, the purpose of water-blocking sealing is achieved, and the cable can bear higher water pressure.
Description
Technical Field
The utility model relates to the technical field of cable equipment, in particular to a watertight cable for ships.
Background
The watertight cable is an important component of underwater sonar equipment, and is divided into a transverse watertight cable and a longitudinal watertight cable according to a sealing mode, wherein the longitudinal watertight cable utilizes a water-blocking glue or a foaming water-blocking tape, so that the flowing speed of water in the cable is delayed under the condition that a sheath is damaged, and the stability and the reliability of the equipment are improved. The traditional watertight cable is sealed by water-blocking paste or water-blocking tapes, and the water-blocking paste is solidified at normal temperature to closely connect and combine the element structures together so as to realize the water-blocking effect.
In the use process of the watertight cable used in the cable industry in China, the water blocking material is concentrated on one layer, only one layer of water blocking layer can be formed after the sheath is damaged, and after the water blocking layer is broken, the cable cannot form effective waterproof protection, so that water enters the inside of the cable, the normal use of the cable is influenced, and the service life of the product is prolonged.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a watertight cable for ships, which has a good water-blocking effect.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a naval vessel is with dense cable, includes cable core, cable isolation layer and restrictive coating, a plurality of the cable core is located the inside of cable isolation layer, the cable core with it has the watertight filler to fill between the cable isolation layer, the restrictive coating cover is established the outside of cable isolation layer, the inside of restrictive coating and cable core all coats and has the glue that hinders water.
Through adopting above-mentioned technical scheme, when using, utilize the inside water-blocking glue of restrictive coating and cable core and be located the watertight filler between cable core and the cable isolation layer to carry out the multilayer and block water, when the sheath is damaged, can form the first layer in the inside of restrictive coating and block water, then the watertight filler forms the second floor and blocks water, glue at the inside of cable core that blocks water at last forms the third layer and blocks water, the structure that utilizes the multilayer to block water can play good water-blocking protective action to the cable, improve the life of product.
The present invention in a preferred example may be further configured to: the cable core comprises a lead, an insulating layer and a shielding layer, wherein the insulating layer is positioned outside the lead, and the insulating layer is twisted in pair and then wound outside to form the shielding layer.
Through adopting above-mentioned technical scheme, the wire is used for transmitting the signal, and outside insulating layer has good electrical insulation and radiation resistance to guarantee the transmission of signal, the outside shielding layer can avoid taking place to interfere between the signal line, guarantees signal transmission's stability.
The present invention in a preferred example may be further configured to: the wire is filled with the water-blocking glue during wire bundling, and the gap between the shielding layer and the insulating layer is filled with the water-blocking glue.
By adopting the technical scheme, the water-blocking glue arranged between the lead and the insulating layer can play a good role in water tightness of the lead.
The present invention in a preferred example may be further configured to: the cable cores are cabled according to the structure of 1+6+12+18, the center of each cable core is provided with a filling strip, and the surface of each cable core is coated with the water-blocking glue during cabling.
By adopting the technical scheme, the structure of 1+6+12+18 and 72-core and 36-core pairs is adopted, the requirement of multi-signal transmission can be met, and the water tightness of the product can be improved by the coated water-blocking glue.
The present invention in a preferred example may be further configured to: the sheath layer is sequentially provided with an inner sheath, a woven layer and an outer sheath from inside to outside, and the woven layer is coated with the water-blocking glue during weaving.
Through adopting above-mentioned technical scheme, adopt the double-sheath mode of inner sheath + steel wire armor + oversheath, can effectual protection cable and improve the leakproofness function that blocks water.
The present invention in a preferred example may be further configured to: the water-blocking glue is neoprene glue.
By adopting the technical scheme, the water-blocking material is generally water-blocking ointment or hot melt adhesive, which not only has certain operation difficulty in the process, but also has various adverse effects on the performance of the cable. For example, water-blocking ointment is generally composed of mineral oil, and high-molecular water-swelling resin such as sodium polyacrylate and starch. Since the mineral oil has a certain swelling effect on the general insulating material polyolefin, the watertight performance and the electric performance of the cable are influenced finally. The hot melt adhesive can be filled into the cable after being heated and melted at high temperature in the processing process, so that the production process of some cables cannot be implemented. Compared with the traditional water-blocking material, the neoprene adhesive has the advantages of good water resistance, high bonding strength, wide application, good bonding property to metal and nonmetal materials, and particularly, different materials are bonded with each other, and the surface of the conductor is not obviously changed after the neoprene adhesive is cooled.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. the technical scheme that a multilayer water-blocking structure consisting of water-blocking glue and watertight fillers is arranged inside the cable core, the cable isolation layer and the sheath layer is adopted, so that gaps inside the cable can be filled, and the flowing speed of water inside the cable is delayed on the whole length of the cable under the condition that the cable outer sheath is damaged, so that the purpose of water-blocking sealing is achieved, and the cable can bear higher water pressure;
2. the technical scheme of the cable core consisting of the lead, the insulating layer and the shielding layer is adopted, so that the requirement of multi-signal transmission can be met, signal interference can be avoided, loss can be reduced, and the water tightness can be improved;
3. the technical scheme of the sheath layer consisting of the inner sheath, the woven layer and the outer sheath is adopted, so that the cable is guaranteed to have good mechanical performance, good tensile strength and the like, the cable is effectively protected, and the water blocking sealing performance is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the present embodiment.
The reference numbers in the drawings are:
1. a cable core; 2. a cable isolation layer; 3. a watertight filler; 4. a wire; 5. an insulating layer; 6. a shielding layer; 7. filling the strip; 8. an inner sheath; 9. weaving layer; 10. an outer sheath.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the ship watertight cable disclosed by the utility model comprises cable cores 1, a cable isolation layer 2 and a sheath layer, wherein the cable cores 1 are positioned inside the cable isolation layer 2, a watertight filling agent 3 is filled between the cable cores 1 and the cable isolation layer 2, the sheath layer is sleeved outside the cable isolation layer 2, and the sheath layer and the cable cores 1 are both coated with a water blocking glue. The water-blocking glue and the watertight filling agent 3 are used for multi-layer water blocking in the using process, so that the water-blocking performance of the product is improved, and the normal use of the cable under water is ensured. In this embodiment, the water-blocking glue and the watertight filler 3 both adopt neoprene, and the neoprene is used as the water-blocking sealant, which has the following advantages: good water resistance, high bonding strength, wide application, and good bonding property to metal and nonmetal materials, especially different materials. The method of adding the water-blocking sealant in each procedure can fill gaps in the cable, and delay the flowing speed of water in the cable on the whole length of the cable under the condition that the cable outer sheath 10 is damaged, so that the purpose of water-blocking sealing is achieved, and the cable can bear higher water pressure.
The cable core 1 comprises a wire 4, an insulating layer 5 and a shielding layer 6, wherein the insulating layer 5 is located outside the wire 4, the insulating layer 5 is twisted in pairs and then is externally wrapped to form the shielding layer 6, the wire 4 is filled with water-blocking glue when a wire is bundled, and a gap between the shielding layer 6 and the insulating layer 5 is filled with the water-blocking glue.
A plurality of cable cores 1 are cabled according to the structure of 1+6+12+18, the central position of the cable cores is provided with a filling strip 7, the surface of the cable core 1 is coated with water-blocking glue during cabling, and the traditional watertight cable for signal transmission is in the form of metal wire weaving or aluminum foil longitudinal wrapping and metal weaving after cabling, so that certain shielding performance can be ensured. However, with the development of underwater detection equipment, the precision and the number of signals are the precondition for ensuring the accuracy of detection results. That is, in order to increase the number of transmission signals, the number of cable cores 1 should be increased; in order to ensure signal accuracy, signal loss and the like should be reduced. Therefore, in order to meet the requirement of multi-signal transmission, a 72-core, 36-pair twisted signal wire structure is adopted. In addition, this application adopts the tinned copper wire to weave, all winds around covering plastic-aluminum composite tape (aluminium face outwards) outside every pair of twisted signal line insulation, then weaves the shielding, is winding a layer polyester area to scribble sealed glue that blocks water, can avoid signal interference like this, reduce the loss, also can increase the water proofness simultaneously.
In order to ensure the roundness of the cable, the filling strips 7 are made of a special low-density polyethylene insulating material with high toughness. The polyethylene UBEC180 material is extruded in a pressure type, irradiation crosslinking is carried out after extrusion, and the polyethylene modified by crosslinking is changed into a thermosetting material, so that the mechanical property and the environmental stress cracking resistance of the material are improved, and the temperature resistance grade is obviously improved
The sheath layer is provided with an inner sheath 8, a weaving layer 9 and an outer sheath 10 from inside to outside in sequence, and the weaving layer 9 is coated with water-blocking glue during weaving. The inner sheath 8 is made of radiation cross-linked chloroprene rubber, and the chloroprene rubber has the advantages of good weather resistance, ozone aging resistance, self-extinguishing property, good oil resistance, excellent tensile strength, elongation and elasticity, and excellent adhesiveness with metal and fabric. The braided layer 9 is a 0.4mm galvanized steel wire braided armor structure, and the tensile strength of the cable can be effectively improved. The lateral pressure stressed when the force is applied is buffered. When in weaving, the coating of the water-blocking glue (neoprene) can effectively ensure the adhesion and twist of the outer protective layer, the woven armor layer and the inner protective layer of the cable. The weaving density is not less than 70%. The outer sheath 10 is extruded in a chloroprene rubber pressure type to ensure that the cable has good mechanical properties, good tensile strength and the like, and the double-sheath mode can effectively protect the cable and improve the water-blocking sealing performance.
The cable of this application is guaranteeing under the condition of cable electrical property, effectual such cable water tightness is not good, when the cable intake was wet, easily causes the short circuit and leads to the problem that equipment burns out in the past.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a watertight cable for naval vessel, includes cable core (1), cable isolation layer (2) and restrictive coating, its characterized in that: a plurality of cable core (1) is located the inside of cable isolation layer (2), cable core (1) with it has watertight filler (3) to fill between cable isolation layer (2), the restrictive coating cover is established the outside of cable isolation layer (2), the inside of restrictive coating and cable core (1) all is coated and is hindered the water glue.
2. The watertight cable for ships and warships according to claim 1, characterized in that: the cable core (1) comprises a lead (4), an insulating layer (5) and a shielding layer (6), wherein the insulating layer (5) is located outside the lead (4), and the insulating layer (5) is twisted in pairs and then is wrapped to form the shielding layer (6).
3. The watertight cable for ships and warships according to claim 2, characterized in that: the wire (4) is filled with the water-blocking glue during wire bundling, and a gap between the shielding layer (6) and the insulating layer (5) is filled with the water-blocking glue.
4. The watertight cable for ships and warships according to claim 2, characterized in that: the cable cores (1) are cabled according to a structure of 1+6+12+18, the center of each cable core is provided with a filling strip (7), and the surface of each cable core (1) is coated with the water-blocking glue during cabling.
5. The watertight cable for ships and warships according to claim 1, characterized in that: the sheath layer is sequentially provided with an inner sheath (8), a woven layer (9) and an outer sheath (10) from inside to outside, and the woven layer (9) is coated with the water-blocking glue during weaving.
6. The watertight cable for ships and warships according to any one of claims 1 to 5, wherein: the water-blocking glue is neoprene glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122288963.4U CN215496082U (en) | 2021-09-22 | 2021-09-22 | Marine watertight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122288963.4U CN215496082U (en) | 2021-09-22 | 2021-09-22 | Marine watertight cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496082U true CN215496082U (en) | 2022-01-11 |
Family
ID=79769805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122288963.4U Active CN215496082U (en) | 2021-09-22 | 2021-09-22 | Marine watertight cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115732980A (en) * | 2022-11-28 | 2023-03-03 | 中航光电科技股份有限公司 | Low-short longitudinal sealed cabin-penetrating cable assembly |
-
2021
- 2021-09-22 CN CN202122288963.4U patent/CN215496082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115732980A (en) * | 2022-11-28 | 2023-03-03 | 中航光电科技股份有限公司 | Low-short longitudinal sealed cabin-penetrating cable assembly |
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