CN212161368U - Composite transverse watertight cable - Google Patents
Composite transverse watertight cable Download PDFInfo
- Publication number
- CN212161368U CN212161368U CN202021283226.4U CN202021283226U CN212161368U CN 212161368 U CN212161368 U CN 212161368U CN 202021283226 U CN202021283226 U CN 202021283226U CN 212161368 U CN212161368 U CN 212161368U
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- China
- Prior art keywords
- coaxial cable
- cable
- control unit
- layer
- conductor
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- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920002313 fluoropolymer Polymers 0.000 claims description 4
- 229920002681 hypalon Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims 2
- 239000004809 Teflon Substances 0.000 claims 1
- 229920006362 Teflon® Polymers 0.000 claims 1
- 239000004760 aramid Substances 0.000 claims 1
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract 1
- 238000009941 weaving Methods 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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Abstract
The utility model provides a compound horizontal watertight cable, it includes the cable body, the cable body includes the control unit and coaxial cable, this cable body forms a set of control unit through two-core pair twist, the conductor of control unit is the tinned copper conductor, the outer crowded package of tinned copper conductor is by perfluor ethylene propylene insulating layer; each independent unit wire group of the control unit is wrapped with a first non-hygroscopic wrapping tape; the coaxial cable conductor of the coaxial cable is a tinned copper conductor, and a coaxial cable insulating layer, a wrapping layer, a shielding layer and a peripheral sheath layer are sequentially arranged outside the coaxial cable conductor; the control unit and the coaxial cable are sequentially provided with a second non-hygroscopic material wrapping tape, a total shielding layer and an outer sheath layer, and a non-hygroscopic material filling body is arranged between the second non-hygroscopic material wrapping tape and the control unit as well as between the second non-hygroscopic material wrapping tape and the coaxial cable. The research and development of the product solve the use requirements of the underwater electric device with the control unit and the video signal transmission function, and the transverse watertight requirement of the composite cable is met.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a compound horizontal watertight cable with video signal transmission requires.
Background
When deep water and ocean exploration is carried out, underwater conditions are observed in real time, underwater equipment needs to be equipped with control and video signal transmission, the cable is required to be provided with a composite cable consisting of a control unit and a coaxial cable, and the use requirement and the transmission requirement of deep water are met. Conventional coaxial cables, insulation and jackets are typically made of thermoplastic materials that deform and even thermally decompose when cured at high temperatures and pressures.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound horizontal watertight cable, it is on the basis of realizing the control requirement, under the condition that bears certain work tension, has the video signal transmission performance requirement, satisfies horizontal watertight requirement simultaneously.
The utility model provides a compound horizontal watertight cable, it includes the cable body, the cable body includes control unit and coaxial cable, this cable body forms a set of control unit through two-core pair twist, the conductor of control unit is the tinned copper conductor, the outside crowded package of tinned copper conductor is by perfluor ethylene propylene insulating layer;
each independent unit wire group of the control unit is wrapped with a first non-hygroscopic wrapping tape;
the coaxial cable conductor of the coaxial cable is a tinned copper conductor, and a coaxial cable insulating layer, a wrapping layer, a shielding layer and a peripheral sheath layer are sequentially arranged outside the coaxial cable conductor;
the control unit and the coaxial cable are sequentially provided with a second non-hygroscopic material wrapping tape, a total shielding layer and an outer sheath layer, and a non-hygroscopic material filling body is arranged between the second non-hygroscopic material wrapping tape and the control unit as well as between the second non-hygroscopic material wrapping tape and the coaxial cable.
Furthermore, each pair of twisted groups of the control unit and the adjacent twisted groups thereof adopt different pitch designs.
Furthermore, the coaxial cable conductor adopts 7 stranded conductors, and the softness and the bending resistance are improved.
Further, the insulating layer of the coaxial cable is made of a solid polytetrafluoroethylene material, the insulating concentricity reaches 95% or more, so that the requirements of characteristic impedance and electrical property are met, and the high-temperature resistance characteristic of the polytetrafluoroethylene material prevents the outer sheath from deforming during vulcanization.
Furthermore, the non-hygroscopic material filling body is made of non-hygroscopic aramid fiber, so that the requirement on the tensile force of the cable is increased, and the service length of the cable is increased.
Furthermore, the shielding layer is formed by weaving tinned copper wires, and the weaving density of the tinned copper wires is not less than 90%.
Furthermore, the peripheral sheath layer is made of a fluoroplastic material, and the fluoroplastic material has high-temperature resistance and can prevent the outer sheath from deforming during vulcanization.
Further, the total shielding layer is woven by tinned copper wires, and the weaving density is not less than 90%.
Furthermore, the outer sheath layer is made of chlorosulfonated polyethylene rubber material, and has excellent transverse water resistance.
This cable structure adopts compound shielding, and the compound area of plastic-aluminum [ around covering (23) ] + tinned copper wire is woven [ shielding layer (24) ], and the compound area of plastic-aluminum is taken the lid rate and is not less than 30%, and tinned copper wire weaving density is not less than 90%, and the aluminium foil face with weave the copper wire contact, very big improvement shielding effect.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the cable has the transmission requirement of meeting control signals and video signals under the condition of meeting the requirement of working tension.
(2) The coaxial cable is made of high-temperature resistant materials, is suitable for vulcanization production of the sheath, and prevents deformation or decomposition.
(3) And the transverse watertight requirement of the cable is met.
Drawings
Fig. 1 is a cross-sectional view of a composite transverse watertight cable according to a first embodiment of the present invention.
Fig. 2 is an enlarged view of the coaxial cable of the composite transverse watertight cable according to the first embodiment of the present invention.
Detailed Description
The present invention will now be described in more detail with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art could modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
The utility model discloses a first embodiment provides a compound horizontal watertight cable, see fig. 1, and it includes cable body 1, and cable body includes the control unit and coaxial cable 2, and this cable body constitutes a set of the control unit through two cores pair twist, and the control unit is to each pair twist group rather than adjacent pair twist group adoption different pitch design, prevents the crosstalk, reduces signal interference.
In this embodiment, the conductor of the control unit is a tin-plated copper conductor 11, the external extruded fluorinated ethylene propylene insulating layer 12 of the tin-plated copper conductor, and each independent unit line group (tin-plated copper conductor 11+ fluorinated ethylene propylene insulating layer 12) of the control unit is wrapped with the first non-hygroscopic wrapping tape 3.
The coaxial cable conductor 21 of the coaxial cable is a tinned copper conductor, the coaxial cable conductor 21 is stranded by adopting 7 tinned copper wires, the stranding pitch diameter ratio is controlled to be less than 14 times, and the softness and the bending resistance are improved; adopt the tin-plated copper conductor to prevent to extrude solid polytetrafluoroethylene insulation and cause the conductor oxidation.
As can be seen from fig. 2, a coaxial cable insulating layer 22, a wrapping layer 23, a shielding layer 24, and a peripheral sheath layer 25 are sequentially disposed outside the coaxial cable conductor. The peripheral sheath layer 25 is made of fluoroplastic materials which have high-temperature resistance and prevent the outer sheath from deforming during vulcanization. The coaxial cable insulation layer 22 is made of solid polytetrafluoroethylene materials so as to meet the requirements of 50 omega of characteristic impedance, 1.5mm of outer diameter of an insulation wire core and electrical performance, and the concentricity of the insulation wire core is 95% or more.
In this embodiment, constitute compound shielding around covering 23 and outer conductor (being shielding layer 24), the compound area of taking of plastic-aluminum is taken the lid rate and is not less than 30%, and tinned copper wire weaves density and is not less than 90%, and the aluminium foil face with weave the copper wire contact, very big improvement shielding effect.
The control unit and the coaxial cable 2 are sequentially provided with a second non-hygroscopic material wrapping tape 5, a total shielding layer 6 and an outer sheath layer 7 outside, the outer sheath layer 7 is made of chlorosulfonated polyethylene rubber material, and the chlorosulfonated polyethylene rubber material has excellent transverse water-blocking performance and can pass 3kV spark voltage inspection. The total shielding layer 6 is woven by tinned copper wires, and the weaving density is not less than 90%. And a non-hygroscopic material filling body 4 is arranged between the second non-hygroscopic material wrapping tape and the control unit as well as between the second non-hygroscopic material wrapping tape and the coaxial cable 2, and the non-hygroscopic material filling body 4 is made of non-hygroscopic aramid fiber, so that the tensile resistance of the cable is enhanced, and the long-length use requirement is met.
It should be noted that the cable structure is composed of the control unit and the coaxial cable, and includes, but is not limited to, the core number composing form described and illustrated in the present embodiment, and may also be various core number composing forms of other types.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (9)
1. The composite transverse watertight cable comprises a cable body, wherein the cable body comprises a control unit and a coaxial cable, and is characterized in that the cable body forms a group of control units by two cores in a twisted pair mode, conductors of the control units are tinned copper conductors, and perfluorinated ethylene propylene insulating layers are extruded outside the tinned copper conductors;
each independent unit wire group of the control unit is wrapped with a first non-hygroscopic wrapping tape;
the coaxial cable conductor of the coaxial cable is a tinned copper conductor, and a coaxial cable insulating layer, a wrapping layer, a shielding layer and a peripheral sheath layer are sequentially arranged outside the coaxial cable conductor;
and a second non-hygroscopic material wrapping tape, a total shielding layer and an outer sheath layer are sequentially arranged outside the control unit and the coaxial cable, and a non-hygroscopic material filling body is arranged between the second non-hygroscopic material wrapping tape and the control unit as well as between the second non-hygroscopic material wrapping tape and the coaxial cable.
2. A composite transverse watertight cable according to claim 1, characterised in that each twisted pair of a control unit is designed with a different pitch than its neighbouring twisted pairs.
3. A composite transverse watertight cable according to claim 1, characterised in that 7 stranded conductors are used for the coaxial cable conductors.
4. A composite transverse watertight cable according to claim 1, characterised in that the insulation layer of the coaxial cable is made of solid teflon, and the concentricity of the insulation is 95% or more.
5. A composite transverse watertight cable according to claim 1, characterised in that the non-hygroscopic filler of material is a non-hygroscopic aramid.
6. A composite transverse watertight cable according to claim 1, characterised in that the shielding layer is braided with tinned copper wires, the braiding density of which is not less than 90%.
7. A composite transverse watertight cable according to claim 1, characterised in that the peripheral sheath layer is of fluoroplastic material.
8. A composite transverse watertight cable according to claim 1, characterised in that the total shielding layer is braided with tinned copper wires at a braiding density of not less than 90%.
9. A composite transverse watertight cable according to claim 1, characterised in that the outer jacket layer is of a chlorosulfonated polyethylene rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283226.4U CN212161368U (en) | 2020-07-04 | 2020-07-04 | Composite transverse watertight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283226.4U CN212161368U (en) | 2020-07-04 | 2020-07-04 | Composite transverse watertight cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212161368U true CN212161368U (en) | 2020-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021283226.4U Active CN212161368U (en) | 2020-07-04 | 2020-07-04 | Composite transverse watertight cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212161368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951505A (en) * | 2021-04-06 | 2021-06-11 | 天津海燕居安佳线缆有限公司 | Coaxial cable and cable for underwater video monitoring |
-
2020
- 2020-07-04 CN CN202021283226.4U patent/CN212161368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951505A (en) * | 2021-04-06 | 2021-06-11 | 天津海燕居安佳线缆有限公司 | Coaxial cable and cable for underwater video monitoring |
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