CN202093868U - Dragging watertight cable - Google Patents
Dragging watertight cable Download PDFInfo
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- CN202093868U CN202093868U CN 201120002030 CN201120002030U CN202093868U CN 202093868 U CN202093868 U CN 202093868U CN 201120002030 CN201120002030 CN 201120002030 CN 201120002030 U CN201120002030 U CN 201120002030U CN 202093868 U CN202093868 U CN 202093868U
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- watertight
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Abstract
The utility model relates to an underwater dragging communication system, and provides a dragging watertight cable, which aims to have characteristics of high strength, high watertightness, low specific gravity, small outer diameter and fine bending flexibility. Multiple strands of copper wires are stranded as each conductive core, an inner sheath which is formed by means of extrusion molding can excellently protect structural stability of stranded signal wires, and sealant is added into structural units of the cable so as to conform to 4.4MPa longitudinal and transverse watertightness of the cable. A reinforced tensile layer is armored by bunch strand process, and bonding ability between an outer sheath and the reinforced tensile layer is improved by means of weaving high-strength fiber ropes. Structural layers of the cable are compact, electrical performance is excellent, and attenuation characteristic, impedance, crosstalk and the like are superior to technical requirements of four types of data cables within a range between 1MHZ and 10MHz. After the cable is repeatedly tightened and released by multiple layers under test tensile force of 18Kn, the electrical performance of the stranded signal wires is not changed basically.
Description
Technical field
The utility model relates to towing communication system under water.
Technical background
The common towing communication buoy system that is applied under water of towing watertight cable also can be applicable to the underwater robot system, plays towing submarine system and transmission signals, the energy.
The various buoys in home and abroad are more with the specification of trailing cable, and similarly the cable representative has the comprehensive watertight cable of ZMYJ-13 type that is used for the emergency communication buoy of China Electronics Technology Group Corporation No. 23 Research Institute's development and production and the Side Scan Sonar Tow Cable of U.S. Rochester development and production.The general configuration of these two kinds of cables as shown in Figure 1 and Figure 2.
Fig. 1 is a ZMYJ-13 type integrated water cipher telegram cable structure schematic diagram.11 is neutrality line among the figure; 12 is power line; 13 is twisted-pair feeder; 14 is enhancement layer; 15 are the braiding fastened layer; 16 is the polyurethane oversheath.
Fig. 2 is a Side Scan Sonar Tow Cable structural representation.21 is power line among the figure; 22 is coaxial line; 23 is the polyurethane oversheath; 24 is the wire armoring enhancement layer.
These two kinds of cables all are applied to various underwater towed system,, have characteristics separately.The comprehensive watertight cable of ZMYJ-13 type adopts the aramid fiber material as enhancement layer, has advantages such as watertightness height, proportion are little.But that shortcoming is the outside diameter of cable is big, tensile strength is low, fade performance is poor under the high frequency.Side Scan Sonar TowCable adopts the stranded armouring of steel wire, has advantages such as tensile strength height, little, the anti-puncture of external diameter, but that the shortcoming cable is a proportion is excessive, and crooked flexibility is bad.Therefore in order to satisfy the needs of some projects, need to develop, produce a kind of have high strength, high watertight, proportion is little, external diameter is little, crooked flexibility is good towing watertight cable.
The utility model content
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, a kind of high strength towing watertight cable is provided, requires cable satisfying anti-ly in length and breadth under the watertight condition of 4.5MPa, can satisfy the requirement that signal transmission performance meets four class data cable simultaneously; Under little external diameter condition, satisfy tensile strength height (reaching as high as 80kN), can be under the 18kN pulling force folding and unfolding fault-free repeatedly repeatedly, and satisfy the little specification requirements such as (≤1.3) of cable proportion.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A kind of towing watertight cable, the heart yearn element of described cable is by power line, shielded signal wire, stranded the forming of non-shielded signal wire stranding; Be provided with enhancement layer in the heart yearn element-external, extrusion molding oversheath outside enhancement layer; It is characterized in that:
Described shielded signal wire, non-shielded signal wire are heart yearn pair twist structure; The conductor of holding wire all adopts some bursts of stranded the forming of copper cash, and filling with sealant is used to satisfy the watertight requirement during stranded conductor; The conductor of described holding wire is provided with outward and adopts low density polyethylene (LDPE) to extrude the insulating barrier of formation; The outer extrusion molding one deck inner sheath of holding wire behind the described pair twist is used to protect heart yearn pair twist structure; Described shielded signal wire also is provided with the screen that the copper cash that adopts 0.1mm weaves formation outside inner sheath.
Described power line conductor adopts some bursts of stranded the forming of copper cash, and filling with sealant is used to satisfy the watertight requirement during stranded conductor; Described power line conductor is provided with outward and adopts low density polyethylene (LDPE) to extrude the insulating barrier of formation.
Carrying out winding displacement according to centrosymmetric structure, that the heart yearn element is carried out stranding is stranded, is filled with the core of filling out that is used to make the outward appearance rounding at each heart yearn interelement; Filling with sealant is used to satisfy the watertight requirement in the heart yearn space when stranding.
Heart yearn outside armouring one deck high strength fibre behind the stranding is as the tension enhancement layer.
In order to cohere between the oversheath that makes cable and the tension enhancement layer closely, at the also rare one deck high strength fibre rope that is composed of in tension enhancement layer outside as fastened layer.
Described holding wire conductor adopts 7 Φ 0.2mm bare copper wires stranded, and twisting pitch is 7mm ± 1mm.
Described power line conductor adopts 19 Φ 0.2mm copper cash stranded, and twisting pitch is 12mm ± 1mm.
The utility model can bring following beneficial effect:
Construction of cable compactness of the present utility model has adopted the multiply copper cash stranded as each conductive core line, can satisfy requirement soft, that the alternating bending folding and unfolding is used.The electric property excellence of pair twist holding wire, in the scope of 1～10MHz, performances such as fade performance, characteristic impedance, cross-talk all are better than the specification requirement of four class data cable.Extrusion molding one deck inner sheath can well be protected the structural stability of pair twist holding wire after bearing lateral pressure of cable, makes cable still can keep good data transmission property after standing folding and unfolding repeatedly.In each construction unit of cable, all inserted the vertical, horizontal watertightness performance of fluid sealant with the 4.4MPa that satisfies cable.Adopt bundle strand technology armouring tension enhancement layer, can effectively improve the rate of utilization of strength of high strength fibre.The design balance that the tension enhancement layer has been adopted torsion with satisfy cable big pulling force repeatedly folding and unfolding use the back outward appearance phenomenon of twisting not occur.
The way of preferred employing braiding high strength fibre rope improves the cohesion between oversheath and the tension enhancement layer, can make each structure sheaf of cable tight.
Description of drawings
Fig. 1 is a ZMYJ-13 type integrated water cipher telegram cable structure schematic diagram in the prior art
Fig. 2 is a Side Scan Sonar Tow Cable structural representation in the prior art
Fig. 3 is the towing watertight cable structural representation of a preferred embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 3,31 be shielding pair twist holding wire among Fig. 3; 32 is non-shielding pair twist holding wire; 33 is power line; 34 for filling out core; 35 is the tension enhancement layer; 36 are the braiding fastened layer; 37 is the polyurethane oversheath.
In the present embodiment, the heart yearn element of cable is made up of a pair of shielding pair twist holding wire 31, a pair of non-shielding pair twist holding wire 32 and two power lines 33.The high strength fibre of torsion balance design is arranged as tension enhancement layer 35 in that the heart yearn element is armoured.In order to make oversheath 37 and tension enhancement layer 35 cohere tight the employing in the structural design of tension enhancement layer outside braiding one deck high strength fibre rope as fastened layer.
Details are as follows to the design of each several part:
One, holding wire:
(1) pair twist holding wire conductor: in order to satisfy the cable softness, the crooked requirement of using of folding and unfolding repeatedly, holding wire adopts the multiply copper cash stranded.In order to satisfy electric needs, adopt 7 Φ 0.2mm bare copper wires stranded, twisting pitch is 7 ± 1mm.In order to satisfy the watertight requirement, need filling with sealant during stranded conductor.
(2) holding wire insulation: because the pair twist holding wire of this cable has non-shielding and shields two kinds, the insulation external diameter of the heart yearn that therefore insulate is distinguished to some extent.Insulating material adopts low density polyethylene (LDPE), extrudes with the pressure type mould.
(3) pair twist holding wire pair twist: adopt the high accuracy pair twister, the pair twist pitch is controlled at 18 ± 2mm.
(4) the pair twist holding wire all needs extrusion molding one deck inner sheath, can well protect heart yearn pair twist structure, makes it in use stand the alternating bending folding and unfolding and uses its structure of back still can keep stable, and electric property can remain unchanged substantially.The inner sheath of shielding twisted pair wire is extruded external diameter Φ 3.0 ± 0.15mm, and the inner sheath of non-shielding twisted pair wire is extruded external diameter Φ 3.5 ± 0.15mm.Adopt the polyolefin elastomer material as the inner sheath material.
(5) screen of shielding pair twist holding wire adopts the copper cash of 0.1mm to weave.Count needs greater than 85%.
Two, power line:
(1) power line conductor: in order to satisfy the cable softness, the crooked requirement of using of folding and unfolding repeatedly, the cable signal line adopts the multiply copper cash stranded.In order to satisfy electric needs, adopt 19 Φ 0.2mm copper cash stranded.In order to satisfy the watertight requirement, need filling with sealant during stranded conductor.
(2) power line insulation: the insulation external diameter of power line is Φ 2.4 ± 0.15mm, and insulating material adopts low density polyethylene (LDPE), extrudes with the pressure type mould.
(3) total stranding: carrying out winding displacement according to structure as shown in Figure 3, that the heart yearn element is carried out stranding is stranded.In order to make the outward appearance rounding, can fill four at each heart yearn interelement and fill out core.In order to satisfy the watertight requirement, when stranding, need filling with sealant.
Three, tension enhancement layer:
In order to satisfy the requirement of cable Chinese People's Anti-Japanese Military and Political College pulling force, need be to the outside of the heart yearn behind stranding armouring one deck high strength fibre as the tension enhancement layer.In order to satisfy the requirement of watertight, high strength fibre need pass through water-proofing treatment.External diameter behind the armouring should be controlled at below the Φ 11mm.
In order to cohere between the oversheath that makes cable and the tension enhancement layer closely, we adopt at the rare volume one deck high strength fibre rope in tension enhancement layer outside as fastened layer.
Four, oversheath:
For wear-resisting, the seawater corrosion resistance that satisfies cable, the anti-requirement of folding and unfolding, flexibility etc. repeatedly, the polyurethane material that adopts suitable performance is as oversheath.Adopt the pressure type mould when extruding, extruding external diameter is Φ 14.7 ± 0.3mm.
The cable of present embodiment is under the test pulling force of 18kN repeatedly after the folding and unfolding repeatedly, the basic no change of the electric property of pair twist holding wire.The index or the measured value of cable and this cable product relatively see the following form both at home and abroad:
Domestic and international similar cable technology comparison sheet
This cable electrical performance and four class data cable performance comparison sheets
Claims (4)
1. one kind is pulled watertight cable, and the heart yearn element of described cable is by power line, shielded signal wire, stranded the forming of non-shielded signal wire stranding; Be provided with enhancement layer in the heart yearn element-external, extrusion molding oversheath outside enhancement layer; It is characterized in that:
Described shielded signal wire, non-shielded signal wire are heart yearn pair twist structure; The conductor of holding wire all adopts some bursts of stranded the forming of copper cash, and filling with sealant is used to satisfy the watertight requirement during stranded conductor; The conductor of described holding wire is provided with outward and adopts low density polyethylene (LDPE) to extrude the insulating barrier of formation; The outer extrusion molding one deck inner sheath of holding wire behind the described pair twist is used to protect heart yearn pair twist structure; Described shielded signal wire is provided with the screen that the copper cash that adopts 0.1mm weaves formation outside inner sheath;
Described power line conductor adopts some bursts of stranded the forming of copper cash, and filling with sealant is used to satisfy the watertight requirement during stranded conductor; Described power line conductor is provided with outward and adopts low density polyethylene (LDPE) to extrude the insulating barrier of formation;
Carrying out winding displacement according to centrosymmetric structure, that the heart yearn element is carried out stranding is stranded, is filled with the core of filling out that is used to make the outward appearance rounding at each heart yearn interelement; Filling with sealant is used to satisfy the watertight requirement in the heart yearn space when stranding;
Heart yearn outside armouring one deck high strength fibre behind the stranding is as the tension enhancement layer.
2. according to the described a kind of towing watertight cable of claim 1, it is characterized in that: also rare one deck high strength fibre rope that is composed of is as fastened layer between tension enhancement layer and oversheath.
3. according to the described a kind of towing watertight cable of claim 2, it is characterized in that: described holding wire conductor adopts 7 Ф 0.2mm bare copper wires stranded, and twisting pitch is 7mm ± 1mm.
4. according to the described a kind of towing watertight cable of claim 3, it is characterized in that: described power line conductor adopts 19 Ф 0.2mm copper cash stranded, and twisting pitch is 12mm ± 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120002030 CN202093868U (en) | 2011-01-05 | 2011-01-05 | Dragging watertight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120002030 CN202093868U (en) | 2011-01-05 | 2011-01-05 | Dragging watertight cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202093868U true CN202093868U (en) | 2011-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120002030 Expired - Lifetime CN202093868U (en) | 2011-01-05 | 2011-01-05 | Dragging watertight cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202093868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867593A (en) * | 2012-10-16 | 2013-01-09 | 上海电缆研究所 | Full-water-blocking sea power cable |
| CN105023640A (en) * | 2015-07-02 | 2015-11-04 | 上海金丰电缆有限公司 | Spreader cable of cable storing basket of composite bus |
| CN109712748A (en) * | 2018-11-07 | 2019-05-03 | 安徽宏源特种电缆集团有限公司 | Watertight data communication pulls composite cable and its production method |
-
2011
- 2011-01-05 CN CN 201120002030 patent/CN202093868U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867593A (en) * | 2012-10-16 | 2013-01-09 | 上海电缆研究所 | Full-water-blocking sea power cable |
| CN102867593B (en) * | 2012-10-16 | 2015-01-21 | 上海电缆研究所 | Full-water-blocking sea power cable |
| CN105023640A (en) * | 2015-07-02 | 2015-11-04 | 上海金丰电缆有限公司 | Spreader cable of cable storing basket of composite bus |
| CN109712748A (en) * | 2018-11-07 | 2019-05-03 | 安徽宏源特种电缆集团有限公司 | Watertight data communication pulls composite cable and its production method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111228 |
|
| CX01 | Expiry of patent term |