CN210052543U - Lightweight coaxial trailing cable - Google Patents
Lightweight coaxial trailing cable Download PDFInfo
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- CN210052543U CN210052543U CN201921374287.9U CN201921374287U CN210052543U CN 210052543 U CN210052543 U CN 210052543U CN 201921374287 U CN201921374287 U CN 201921374287U CN 210052543 U CN210052543 U CN 210052543U
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Abstract
The utility model relates to a coaxial trailing cable of lightweight, including the conductor, the conductor peripheral distribution has a plurality of coaxial subassemblies, and coaxial subassembly is from interior outer insulating layer, shielding layer, inner sheath, armor, oversheath in proper order, and the thickness of insulating layer is 0.1 to 1mm, and the thickness of shielding layer is 0.2 to 1mm, and the thickness of inner sheath is 0.3 to 1mm, and the thickness of armor is 0.5 to 1mm, and the thickness of oversheath is 1 to 4 mm. Therefore, the conductor is formed by twisting seven strands of copper wires, and the conduction performance is good. Aramid fiber and polytetrafluoroethylene fiber can be selected to be matched with each other, and the armor effect is good. The integral weight is light, the breaking force is high, and the frequency use condition below 200MHz can be effectively met. The independent polyurethane layer is arranged to serve as the outer sheath, so that flexibility of the cable is guaranteed, vulcanization construction is conveniently conducted on the use site, and applicability and maintainability of the cable are improved.
Description
Technical Field
The utility model relates to a trailing cable especially relates to a coaxial trailing cable of lightweight.
Background
The radio frequency coaxial cable is a cable widely applied in the communication field, has the characteristics of stable structure, high transmission frequency, high transmission rate, small attenuation and the like, and can simultaneously realize power transmission and signal transmission on one radio frequency coaxial cable by a power carrier technology.
However, the existing coaxial cable is too heavy, the breaking force is less than 1500 kg under the condition of meeting the frequency use condition below 200MHz, the integral quality is too high, the condition that a helicopter or a surface naval vessel (including an unmanned vessel) is dragged cannot be met, and the coaxial cable cannot be implemented in underwater detection.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a lightweight coaxial trailing cable, which has industrial application value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a coaxial trailing cable of lightweight.
The utility model discloses a coaxial trailing cable of lightweight, including the conductor, wherein: the coaxial assemblies sequentially comprise an insulating layer, a shielding layer, an inner sheath, an armor layer and an outer sheath from inside to outside, the thickness of the insulating layer is 0.1-1 mm, the thickness of the shielding layer is 0.2-1 mm, the thickness of the inner sheath is 0.3-1 mm, the thickness of the armor layer is 0.5-1 mm, and the thickness of the outer sheath is 1-4 mm.
Further, in the lightweight coaxial trailing cable, the conductor is formed by twisting at least seven copper wires.
Furthermore, in the lightweight coaxial trailing cable, the insulating layer is one of an epoxy cable adhesive layer, an epoxy resin adhesive layer, an epoxy polyester adhesive layer, and a low density polyethylene layer, or is a multi-layer hybrid structure.
Furthermore, in the lightweight coaxial trailing cable, the shielding layer is formed by weaving tinned copper wires.
Further, in the lightweight coaxial trailing cable, the inner sheath is formed by wrapping a medium density polyethylene layer.
Further, in the lightweight coaxial trailing cable, the armor layer is formed by weaving aramid fibers.
Further, in the lightweight coaxial trailing cable, the outer sheath is formed by wrapping a high-strength polyurethane layer.
Still further, in the lightweight coaxial trailing cable, the thickness of the insulating layer is 0.5mm, the thickness of the shielding layer is 0.5mm, the thickness of the inner sheath is 0.5mm, the thickness of the armor layer is 2mm, and the thickness of the outer sheath is 3 mm.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
1. seven strands of copper wires are stranded to form the conductor, so that the conduction performance is good.
2. Aramid fiber and polytetrafluoroethylene fiber can be selected to be matched with each other, and the armor effect is good.
3. The integral weight is light, the breaking force is high, and the frequency use condition below 200MHz can be effectively met.
4. The independent polyurethane layer is arranged to serve as the outer sheath, so that flexibility of the cable is guaranteed, vulcanization construction is conveniently conducted on the use site, and applicability and maintainability of the cable are improved.
5. The application range is wide, can satisfy the use needs of ocean exploration equipment, unmanned aerial vehicle, unmanned ship and helicopter.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic cross-sectional configuration of a lightweight coaxial trailing cable.
The meanings of the reference symbols in the drawings are as follows.
1 conductor 2 insulating layer
3 shielding layer 4 inner sheath
5 armor layer 6 outer sheath
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The lightweight coaxial trailing cable as in fig. 1 comprises a conductor 1, which is distinguished in that: a plurality of coaxial components are distributed on the periphery of the conductor 1. Particularly, the utility model discloses a coaxial assembly from inside to outside in proper order including insulating layer 2, shielding layer 3, inner sheath 4, armor 5, oversheath 6. In addition, in order to meet the requirements of light weight and better anti-deformation effect and improve the dragging strength of the whole cable, the thickness of the insulating layer 2 is 0.1-1 mm, the thickness of the shielding layer 3 is 0.2-1 mm, the thickness of the inner sheath 4 is 0.3-1 mm, the thickness of the armor layer 5 is 0.5-1 mm, and the thickness of the outer sheath 6 is 1-4 mm.
In combination with the preferred embodiment of the present invention, in order to satisfy the realization of the daily electrical performance, the conductor 1 is formed by twisting at least seven copper wires. The whole structure is soft, and the bending and use are convenient. Meanwhile, in order to achieve a proper insulation effect, the adopted insulation layer 2 is one of an epoxy cable glue layer, an epoxy resin glue layer, an epoxy polyester glue layer and a low-density polyethylene layer or a multi-layer mixed structure. In addition, in view of the demand for weight reduction, a low-density polyethylene layer may be preferable, which satisfies the demand for high strength and low density.
And simultaneously, the utility model discloses a shielding layer 3 weave the constitution for the tinned copper wire. Thus, the light weight is also satisfied. Also, the actual braid density may be determined according to the use environment. Moreover, the inner sheath 4 is formed by wrapping a medium-density polyethylene layer, and the outer sheath 6 is formed by wrapping a high-strength polyurethane layer. Like this, possess the intensity of preferred and accord with the lightweight requirement simultaneously, can not promote the dead weight.
Further, in order to satisfy the tensile strength of towing and to improve the service life of the whole, the armor layer 5 is formed by weaving aramid fibers. Thus, aramid fiber with extra high strength can be selected during actual preparation, and 5% of extra high strength fiber (such as polytetrafluoroethylene fiber from Dupont) is added into the aramid fiber.
Still further, in view of meeting the conventional requirements of strong quantization and towing, the thickness of the insulating layer 2 is 0.5mm, the thickness of the shielding layer 3 is 0.5mm, the thickness of the inner sheath 4 is 0.5mm, the thickness of the armor layer 5 is 2mm, and the thickness of the outer sheath 6 is 3 mm. Therefore, the actual finished cable product has the weight of only 49 grams per meter, the outer diameter of less than 6.9mm and the actual breaking force of up to 2000 kilograms, and can meet the frequency use condition below 200 MHz.
Through foretell expression of characters and combination of the attached drawing can be seen, adopt the utility model discloses afterwards, possess following advantage:
1. seven strands of copper wires are stranded to form the conductor, so that the conduction performance is good.
2. Aramid fiber and polytetrafluoroethylene fiber can be selected to be matched with each other, and the armor effect is good.
3. The integral weight is light, the breaking force is high, and the frequency use condition below 200MHz can be effectively met.
4. The independent polyurethane layer is arranged to serve as the outer sheath, so that flexibility of the cable is guaranteed, vulcanization construction is conveniently conducted on the use site, and applicability and maintainability of the cable are improved.
5. The application range is wide, can satisfy the use needs of ocean exploration equipment, unmanned aerial vehicle, unmanned ship and helicopter.
Furthermore, the indication directions or positional relationships described in the present invention are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated device or structure must have a specific direction or operate in a specific directional configuration, and therefore, should not be construed as limiting the present invention.
The terms "primary" and "secondary" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "primary" or "secondary" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. Coaxial trailing cable of lightweight, including the conductor, its characterized in that: the coaxial assemblies sequentially comprise an insulating layer, a shielding layer, an inner sheath, an armor layer and an outer sheath from inside to outside, the thickness of the insulating layer is 0.1-1 mm, the thickness of the shielding layer is 0.2-1 mm, the thickness of the inner sheath is 0.3-1 mm, the thickness of the armor layer is 0.5-1 mm, and the thickness of the outer sheath is 1-4 mm.
2. The lightweight coaxial trailing cable of claim 1, wherein: the conductor is formed by twisting at least seven copper wires.
3. The lightweight coaxial trailing cable of claim 1, wherein: the insulating layer is one of an epoxy cable adhesive layer, an epoxy resin adhesive layer, an epoxy polyester adhesive layer and a low-density polyethylene layer or a multilayer mixed structure.
4. The lightweight coaxial trailing cable of claim 1, wherein: the shielding layer is formed by weaving tinned copper wires.
5. The lightweight coaxial trailing cable of claim 1, wherein: the inner sheath is formed by wrapping a medium-density polyethylene layer.
6. The lightweight coaxial trailing cable of claim 1, wherein: the armor layer is formed by weaving aramid fibers.
7. The lightweight coaxial trailing cable of claim 1, wherein: the outer sheath is formed by wrapping a high-strength polyurethane layer.
8. The lightweight coaxial trailing cable of claim 1, wherein: the thickness of insulating layer is 0.5mm, the thickness of shielding layer is 0.5mm, the thickness of inner sheath is 0.5mm, the thickness of armor is 2mm, the thickness of oversheath is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374287.9U CN210052543U (en) | 2019-08-22 | 2019-08-22 | Lightweight coaxial trailing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374287.9U CN210052543U (en) | 2019-08-22 | 2019-08-22 | Lightweight coaxial trailing cable |
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| Publication Number | Publication Date |
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| CN210052543U true CN210052543U (en) | 2020-02-11 |
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| CN201921374287.9U Active CN210052543U (en) | 2019-08-22 | 2019-08-22 | Lightweight coaxial trailing cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403100A (en) * | 2020-04-24 | 2020-07-10 | 浙江天杰实业股份有限公司 | Remote high-speed transmission coaxial cable and manufacturing process thereof |
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2019
- 2019-08-22 CN CN201921374287.9U patent/CN210052543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111403100A (en) * | 2020-04-24 | 2020-07-10 | 浙江天杰实业股份有限公司 | Remote high-speed transmission coaxial cable and manufacturing process thereof |
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