CN203366845U - Waterproof communication cable for intrinsic safety - Google Patents
Waterproof communication cable for intrinsic safety Download PDFInfo
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- CN203366845U CN203366845U CN 201320165403 CN201320165403U CN203366845U CN 203366845 U CN203366845 U CN 203366845U CN 201320165403 CN201320165403 CN 201320165403 CN 201320165403 U CN201320165403 U CN 201320165403U CN 203366845 U CN203366845 U CN 203366845U
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Abstract
The utility model discloses a waterproof communication cable for intrinsic safety, which comprises a plurality of groups of wire cores, wherein each group of the wire cores is formed by mutually stranding at least two conductors, each of the conductors is coated by a crosslinked polyolefin insulating layer, each group of the wire cores is externally coated by a combined waterproof layer and a branch shielding layer formed by wrapping an aluminum foil in sequence, the combined waterproof layer is formed by adopting a double-layer non-hygroscopic wrapping tape and filled by water-blocking yarns in the middle, the plurality of groups of wire cores coated by the branch shielding layers are mutually stranded into a bundle so as to form a cable core, the cable core is extruded and molded in an elastic layer, and the elastic layer is externally provided with a waterproof sleeve, a general shielding layer and a silane crosslinked ethylene propylene rubber outer sheath layer in sequence. The waterproof communication cable for intrinsic safety is novel in structural design, the waterproof performance of the cable is improved greatly through arranging the combined waterproof layer outside each group of wire cores and being combined with the action of the elastic layer and the waterproof sleeve, thereby enabling the service life of the cable in humid environments such as ports, wharfs, hydropower stations, reservoirs, tunnels and the like to be greatly prolonged.
Description
Technical field:
The utility model relates to telecommunication cable, is specially a kind of essential safety water resistant communications cable.
Background technology:
Along with scientific and technological development, the transmission network of various electric power, information is very extensive, the applied environment of cable is very complicated, wherein just comprise the places such as harbour, harbour, hydroelectric station, reservoir, tunnel, usually to touch water, even, at underwater work, just the waterproof requirement to cable is very high for this.
Telecommunication cable generally has the formations such as conductor, insulating barrier, screen, restrictive coating, and its water resistance is very weak, thereby makes greatly shorten useful life, and need to be keeped in repair when damaging, and waste of manpower increases cost.
The utility model content:
In order to solve the prior art problem, the purpose of this utility model is to provide a kind of essential safety water resistant communications cable, and reasonable in design has improved the water resistance of cable in wet environment, has reduced potential safety hazard.
For achieving the above object, the utility model adopts following technical scheme:
The essential safety water resistant communications cable, include many group cores, it is characterized in that: in described many group cores, every group of core is by being no less than two mutual stranded formations of conductor, every conductor is coated with the cross-linked polyolefin insulating barrier, every group of core is coated with the combination watertight composition outward successively, the sub-shield of the wrapped formation of aluminium foil, described combination watertight composition adopts double-deck non-hygroscopic band and fills water blocking yarn in centre and forms, the mutual stranded bunchy of many groups core after the coating sub-shield forms cable core, the cable core extrusion moulding is in elastic layer, elastic layer is provided with water string outward successively, total screen, the silane coupling ethylene propylene rubber external sheath layer.
Described essential safety water resistant communications cable is characterized in that: described water string adopts the stainless steel jointless bellows.
Described essential safety water resistant communications cable is characterized in that: described total screen adopts aluminium foil strip to adhere to the inboard overlap wrapping formation of aluminium-plastic tape, and wrapped Duplication is not less than 38%.
The beneficial effects of the utility model are:
The utility model structural design novelty, by being provided with the combination watertight composition and coordinating elastic layer and the effect of water string outside every group of core, promoted greatly the water resistance of cable, in addition, cable also has good shielding properties, makes cable greatly extend useful life in the wet environments such as harbour, harbour, hydroelectric station, reservoir, tunnel.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model.
Embodiment:
As shown in Figure 1:
The essential safety water resistant communications cable, include many group cores, in many group cores, every group of core is by being no less than two mutual stranded formations of conductor 1, every conductor 1 is coated with cross-linked polyolefin insulating barrier 2, every group of core is coated with combination watertight composition 3 outward successively, the sub-shield 4 of the wrapped formation of aluminium foil, combination watertight composition 3 adopts double-deck non-hygroscopic band and fills water blocking yarn in centre and forms, the mutual stranded bunchy of many groups core after metallized aluminum sub-shield 4 forms cable core, the cable core extrusion moulding is in elastic layer 5, the outer water string 6 that is provided with successively of elastic layer 5, total screen 7, silane coupling ethylene propylene rubber external sheath layer 8.
Water string 6 adopts the stainless steel jointless bellows.
Total screen 7 adopts aluminium foil strip to adhere to the inboard overlap wrapping formation of aluminium-plastic tape, and wrapped Duplication is not less than 38%.
Claims (3)
1. an essential safety water resistant communications cable, include many group cores, it is characterized in that: in described many group cores, every group of core is by being no less than two mutual stranded formations of conductor, every conductor is coated with the cross-linked polyolefin insulating barrier, every group of core is coated with the combination watertight composition outward successively, the sub-shield of the wrapped formation of aluminium foil, described combination watertight composition adopts double-deck non-hygroscopic band and fills water blocking yarn in centre and forms, the mutual stranded bunchy of many groups core after the coating sub-shield forms cable core, the cable core extrusion moulding is in elastic layer, elastic layer is provided with water string outward successively, total screen, the silane coupling ethylene propylene rubber external sheath layer.
2. essential safety water resistant communications cable according to claim 1, is characterized in that: described water string employing stainless steel jointless bellows.
3. essential safety water resistant communications cable according to claim 1 is characterized in that: described total screen adopts aluminium foil strip to adhere to the inboard overlap wrapping of aluminium-plastic tape to form, and wrapped Duplication is not less than 38%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165403 CN203366845U (en) | 2013-04-03 | 2013-04-03 | Waterproof communication cable for intrinsic safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165403 CN203366845U (en) | 2013-04-03 | 2013-04-03 | Waterproof communication cable for intrinsic safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203366845U true CN203366845U (en) | 2013-12-25 |
Family
ID=49814575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165403 Expired - Fee Related CN203366845U (en) | 2013-04-03 | 2013-04-03 | Waterproof communication cable for intrinsic safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203366845U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679418A (en) * | 2016-03-25 | 2016-06-15 | 江苏双登电力科技有限公司 | Radial waterproof cable and fabrication method |
| CN107945945A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of compound flat cable that blocks water of five cores |
| CN107945944A (en) * | 2018-01-01 | 2018-04-20 | 无锡江南电缆有限公司 | Three small cores of a kind of outside diameter block water flat cable |
| CN108133775A (en) * | 2018-01-01 | 2018-06-08 | 无锡江南电缆有限公司 | A kind of compound flat cable that blocks water of five cores of compact with control conductor |
| CN110194335A (en) * | 2019-05-15 | 2019-09-03 | 中国石油天然气集团有限公司 | A kind of monitoring device and monitoring method of tank bottom oil leak |
-
2013
- 2013-04-03 CN CN 201320165403 patent/CN203366845U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679418A (en) * | 2016-03-25 | 2016-06-15 | 江苏双登电力科技有限公司 | Radial waterproof cable and fabrication method |
| CN107945945A (en) * | 2017-12-31 | 2018-04-20 | 无锡江南电缆有限公司 | A kind of compound flat cable that blocks water of five cores |
| CN107945944A (en) * | 2018-01-01 | 2018-04-20 | 无锡江南电缆有限公司 | Three small cores of a kind of outside diameter block water flat cable |
| CN108133775A (en) * | 2018-01-01 | 2018-06-08 | 无锡江南电缆有限公司 | A kind of compound flat cable that blocks water of five cores of compact with control conductor |
| CN110194335A (en) * | 2019-05-15 | 2019-09-03 | 中国石油天然气集团有限公司 | A kind of monitoring device and monitoring method of tank bottom oil leak |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20150403 |
|
| EXPY | Termination of patent right or utility model |