CN205318902U - Waterproof type coaxial cable - Google Patents
Waterproof type coaxial cable Download PDFInfo
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- CN205318902U CN205318902U CN201520995974.8U CN201520995974U CN205318902U CN 205318902 U CN205318902 U CN 205318902U CN 201520995974 U CN201520995974 U CN 201520995974U CN 205318902 U CN205318902 U CN 205318902U
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Abstract
The utility model discloses a waterproof type coaxial cable relates to cable technical field, by interior inner conductor, insulating layer, outer conductor, the oversheath that is equipped with in proper order outside to, cover between inner conductor and the insulating layer and close the resin adhesive layer, the outer conductor comprises aluminium foil layer and two -layer weaving layer, also has one deck insulated isolation layer between two -layer woven shield, the outer conductor with still be equipped with a waterproof layer between the oversheath. The utility model discloses waterproof type coaxial cable adopts multiple water proof structure, including polyethylene oversheath material itself also has certain water proofness, has realized multiple protect function, has guaranteed coaxial cable's comprehensive waterproof performance, the high frequency transmission performance who has guaranteed the cable does not receive the influence of external environment moisture and aqueous vapor, and the outdoor humidity of specially adapted has makes the high frequency signal transmission carrier in strong electromagnetic interference's the environment.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to a kind of waterproof type concentric cable.
Background technology
Concentric cable laid and between the operating period, when mechanical stress or external force cause cable sheath damage or joint to damage, moisture or moisture can along cable longitudinally and radius clearance immerse, cause cable insulation to make moist aging. Meanwhile, there is moisture to immerse and conductor will be caused to be oxidized, increase the contact resistance between conductor single line thus increase cable conductor resistance, cause cable transmission performance to worsen. Therefore, the reliability that cable uses can not ensure, cable will shorten work-ing life greatly.
Practical novel content
Technical problem to be solved in the utility model is to provide a kind of waterproof type concentric cable; adopt multiple waterproofing protection structure; ensure that the high-frequency transmission performance of cable not by the impact of external environment moisture and aqueous vapor; the cable of this kind of structure provides high-quality image quality and outstanding electrical specification in super-long span transmits, and being specially adapted to outdoor humidity has and make high-frequency signal transmission carrier in the environment of strong electromagnetic.
The required technical problem solved of the utility model can be achieved through the following technical solutions:
A kind of waterproof type concentric cable, comprise be provided with successively from inside to outside interior conductor, insulation layer, outer conductor, oversheath, laminating resin bonded laminate between described interior conductor and insulation layer, described outer conductor is made up of aluminium foil layer and braid, described braid is screen layer, braid comprises inside and outside two layers, also has one layer of dielectric isolation layer, be also provided with a waterproof layer between described outer braid and oversheath between inside and outside two layers of braiding screen layer.
Further, described interior conductor is made up of single naked copper free wire of root, and the insulation layer being coated on outside described interior conductor is made up of physical blowing polythene material, also coated one layer of resin bonded laminate between described interior conductor and insulation layer.
Further, the aluminium foil layer in described outer conductor adopts single side self structure.
Further, described waterproof layer adopts water blocking tape material to make.
Further, described dielectric isolation layer and oversheath adopt low-density polyethylene material to make.
Further, two layers of braid in described outer conductor are made up of zinc-plated copper wire braiding gauze screen.
The beneficial effects of the utility model: a kind of waterproof type concentric cable, the interior conductor that is provided with successively from inside to outside, insulation layer, outer conductor, oversheath, adopt multiple waterproofing protection structure, add that outer protective polyethylene cover material itself also has certain water tolerance, achieve multiple protection functions, ensure that the comprehensive waterproof capability of concentric cable; Ensure that the high-frequency transmission performance of cable by the impact of external environment moisture and aqueous vapor, being specially adapted to outdoor humidity has and makes high-frequency signal transmission carrier in the environment of strong electromagnetic.
Accompanying drawing explanation
Fig. 1 is the utility model waterproof type coaxial cable structure figure;
Related elements nomenclature:
1, interior conductor; 2, insulation layer; 3, aluminium foil layer; 4, interior braid; 5, dielectric isolation layer; 6, outer braid; 7, waterproof layer; 8, oversheath.
Embodiment
In order to the utility model is realized technique means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
When specifically implementing, with reference to Fig. 1, a kind of waterproof type concentric cable, comprises interior conductor 1, insulation layer 2, aluminium foil layer 3, interior braid 4, dielectric isolation layer 5, outer braid 6, waterproof layer 7, oversheath 8. Waterproof type concentric cable, the interior conductor 1 that is provided with successively from inside to outside, insulation layer 2, outer conductor, oversheath 8, laminating resin bonded laminate between interior conductor 1 and insulation layer 2, outer conductor is made up of aluminium foil layer 3 and braid, braid is screen layer, braid comprises interior braid 4 and outer braid 6, weaves at two layers and also has one layer of dielectric isolation layer 5 between screen layer, is also provided with a waterproof layer 7 between outer braid 6 and oversheath 8.
Interior conductor is made up of single naked copper free wire of root, and the insulation layer being coated on outside interior conductor is made up of physical blowing polythene material, and also coated one layer of resin bonded laminate between interior conductor and insulation layer, is conducive to the adhesive power improved between interior conductor and insulation layer.
Aluminium foil layer adopts single side self structure, and aluminium foil layer and insulation layer are combined closely, and is conducive to moistureproof and improves shield effectiveness.
Waterproof layer adopts the water blocking tape material that waterproof effect is good to make. The high magnification absorbent material layer that water-proof material has tension, the banded substrate layer of heat resistance and is evenly attached on substrate layer, combine by the multiple mode such as bonding, coating, dipping between two layers, there is the advantage that thickness is thin, water absorbent rate is high, expand rapidly when meeting water, fill cable core gap, longitudinal water-blocking is effective, and there is good tensile strength and thermal stability, not by Effect of Hyperthermic Environment, high magnification water-absorbing material is combined with base material evenly firmly, there is not overburden stripping, lamination problem, technical feature is stablized, practical. The mechanism that blocks water of water-proof material is, if occurring cable splice damage or sheath damaged under external force, moisture or moisture longitudinally will infiltrate along the cable core of cable. These moisture and moisture can be absorbed by the band that blocks water containing water-swelling powder, after the water suction of these material water-proof materials, undergoes rapid expansion forms spawn, block penetrating passage, terminate further diffusion and the extension of moisture and moisture, make cable be subject to moisture or moisture soak drop to minimum.
Dielectric isolation layer and oversheath are low-density polyethylene material. Polyvinyl resin is nontoxic, tasteless white particle, and outward appearance is oyster white, has the feel like wax, and water-intake rate is low, is less than 0.01%.The water tolerance of polyethylene is better, is applicable to the sheath material as outdoor use concentric cable and uses.
Two layers of braid in outer conductor weave gauze screen by zinc-plated copper wire respectively and make, and braiding fraction of coverage, up to 95%, effectively prevent external electromagnetic ripple to the interference of cable transmission signal.
A kind of waterproof type concentric cable, the interior conductor that is provided with successively from inside to outside, insulation layer, outer conductor, oversheath, adopt multiple waterproofing protection structure, add that outer protective polyethylene cover material itself also has certain water tolerance, achieve multiple protection functions, ensure that the comprehensive waterproof capability of concentric cable; Ensure that the high-frequency transmission performance of cable by the impact of external environment moisture and aqueous vapor, being specially adapted to outdoor humidity has and makes high-frequency signal transmission carrier in the environment of strong electromagnetic.
More than show and describe ultimate principle of the present utility model, main characteristic sum advantage of the present utility model. The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model. The claimed scope of the utility model by appending claims and etc. jljl define.
Claims (6)
1. a waterproof type concentric cable, comprise be provided with successively from inside to outside interior conductor, insulation layer, outer conductor, oversheath, laminating resin bonded laminate between described interior conductor and insulation layer, described outer conductor is made up of aluminium foil layer and braid, it is characterized in that: described braid is screen layer, braid comprises inside and outside two layers, also has one layer of dielectric isolation layer, be also provided with a waterproof layer between described outer braid and oversheath between inside and outside two layers of braiding screen layer.
2. waterproof type concentric cable according to claim 1, it is characterized in that: described interior conductor is made up of single naked copper free wire of root, the insulation layer being coated on outside described interior conductor is made up of physical blowing polythene material, also coated one layer of resin bonded laminate between described interior conductor and insulation layer.
3. waterproof type concentric cable according to claim 1, it is characterised in that: the aluminium foil layer in described outer conductor adopts single side self structure.
4. waterproof type concentric cable according to claim 1, it is characterised in that: described waterproof layer adopts water blocking tape material to make.
5. waterproof type concentric cable according to claim 1, it is characterised in that: described dielectric isolation layer and oversheath adopt low-density polyethylene material to make.
6. waterproof type concentric cable according to claim 1, it is characterised in that, two layers of braid in described outer conductor weave gauze screen by zinc-plated copper wire and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995974.8U CN205318902U (en) | 2015-11-30 | 2015-11-30 | Waterproof type coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995974.8U CN205318902U (en) | 2015-11-30 | 2015-11-30 | Waterproof type coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205318902U true CN205318902U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520995974.8U Active CN205318902U (en) | 2015-11-30 | 2015-11-30 | Waterproof type coaxial cable |
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| Country | Link |
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| CN (1) | CN205318902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816218A (en) * | 2015-11-30 | 2017-06-09 | 安徽九华金润铜业有限公司 | A kind of water proof type coaxial cable |
-
2015
- 2015-11-30 CN CN201520995974.8U patent/CN205318902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816218A (en) * | 2015-11-30 | 2017-06-09 | 安徽九华金润铜业有限公司 | A kind of water proof type coaxial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180716 Address after: 247100 Qingyang County Economic Development Zone, Chizhou, Anhui Patentee after: Anhui Shun letter and cable Co., Ltd. Address before: 247100 Qingyang County Industrial Park in Chizhou, Anhui Patentee before: Anhui Jiuhua Kimrun Copper Industry Co., Ltd. |
|
| TR01 | Transfer of patent right |