CN203760170U - High-temperature-resistant coaxial cable for downhole tunnel - Google Patents
High-temperature-resistant coaxial cable for downhole tunnel Download PDFInfo
- Publication number
- CN203760170U CN203760170U CN201420146165.5U CN201420146165U CN203760170U CN 203760170 U CN203760170 U CN 203760170U CN 201420146165 U CN201420146165 U CN 201420146165U CN 203760170 U CN203760170 U CN 203760170U
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- temperature
- coaxial cable
- resisting
- resistant
- conductor
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- 239000004020 conductor Substances 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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- 238000005452 bending Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
The utility model discloses a high-temperature-resistant coaxial cable for a downhole tunnel. The high-temperature-resistant coaxial cable comprises a coaxial wire cable core, nickel-plated copper wire braided shielding layer, an insulating layer and a jacket. The coaxial cable core comprises a central conductor, an armor layer and an external conductor. The high-temperature-resistant layer is disposed between the insulating layer and the jacket and comprises a plurality of high-temperature-resistant strips which are tightly arranged in an externally tangential manner. The insulating layer wraps a current guiding line. The jacket is a fluorescent jacket. The cable is good in conductive performance, capable of resisting dragging and preventing breaking, waterproof, capable of resisting dampness, low in smoke, free of halogen, environmental friendly, low in damage to human bodies and surroundings, capable of resisting high temperature, weather-proof, mainly applicable to the downhole tunnel, capable of resisting oil and acid, and capable giving out fluorescent light in dark environments to facilitate cable laying and maintenance.
Description
Technical field
The utility model belongs to field of cables, relates in particular to a kind of underworkings high-temperature-resisting coaxial cable.
Background technology
At present, along with socioeconomic development, cable consumption increases rapidly, and the quality requirement of cable is also constantly improved.Such as in the exploitation work of coal mine, due to underworkings darkness, common cable almost be cannot see or is not seen, and causes the I&M work inconvenience of cable, and safe working is existed to a very large hidden danger.And for example common cable adopts PVC sheath more, and resistance to elevated temperatures is inadequate, once cable fire will discharge a large amount of dense smoke and toxic gas, and impact rescue.Only have many-sided requirement of symbol cable, just can better ensure the safe handling of cable.
Utility model content
In order to overcome the defect of above-mentioned prior art, the purpose of this utility model be to provide one have conduct electricity very well, shielding is strong, anti-ly pull, waterproof is moisture resistance, high temperature resistant, low smoke and zero halogen environmental protection, simultaneously, can send fluorescence, be convenient to the underworkings high-temperature-resisting coaxial cable of the advantages such as cable installation and maintenance.
The utility model takes following technical scheme to realize: a kind of underworkings high-temperature-resisting coaxial cable, it comprises coaxial core and is wrapped in successively nickel plating copper wire woven shield, insulating barrier, the sheath in coaxial core outside, described coaxial core is made up of center conductor, armour and outer conductor, between described insulating barrier and described sheath, be provided with high-temperature-resistant layer, described high-temperature-resistant layer is closely arranged and is formed by several high temperature resistant bands are mutually circumscribed, drainage thread of described insulating barrier internal package, described sheath is fluorescence sheath.
Described center conductor is to adopt the zinc-plated ultra-fine soft copper tow strand of 99.9999% anaerobic annealing, produce by the 6th kind of special soft copper conductor structure of standard (GB/T3956-2008), described outer conductor is by zinc-coated wire mesh grid, and outer aluminium foil forms, ground connection core of described outer conductor internal package.
Described ground connection core is by zinc-plated annealed copper silk outsourcing annealed wire, overlapping up and down, forms according to the stranded braiding to the right of 20/0.5 (root/square millimeter) ratio.
Described high temperature resistant band is to be composited by ceramic fireproof silicon rubber and the calendering of high temperature resistant alkali-free glass fiber cloth.
Described sheath is to be composited by alkali-free glass fiber cloth and the calendering of ceramic low-smoke halogen-free polyolefin material of adding fluorescer.
The utlity model has in sum following beneficial effect: this kind of cable conduction performance is good, resistance to towing, anti-broken string, waterproof moisture-proof, low smoke and zero halogen environmental protection, damage less to human body and surrounding environment, high temperature resistant weather-proof, wherein, the high-temperature-resistant layer of cable can bear the highest 1000 DEG C, hard housing armouring after burning plays a very good protection to circuit, ensure unimpeded in the situation that of fire of circuit, be mainly used in underworkings, oil resistant is acidproof, anti-oxidant, core is firm, shielding is high, shielding rejection coefficient has reached 96.75%, simultaneously, cable can send fluorescence in dark environment, be conducive to the orientation of identification cable, be convenient to laying and overhaul at shady place of cable.
Brief description of the drawings
Fig. 1 is the utility model cross-sectional structure schematic diagram.
Wherein: 1, coaxial core: 1A, center conductor; 1B, armour; 1C, outer conductor; 2, nickel plating copper wire woven shield; 3, insulating barrier; 4, high-temperature-resistant layer; 5, sheath; 6, ground connection core; 7, drainage thread.
Embodiment
As shown in Figure 1, the utility model takes following technical scheme to realize: a kind of underworkings high-temperature-resisting coaxial cable, it comprises coaxial core 1 and is wrapped in successively the nickel plating copper wire woven shield 2 in coaxial core 1 outside, insulating barrier 3, sheath 5, described coaxial core 1 is by center conductor 1A, armour 1B and outer conductor 1C composition, between described insulating barrier 3 and described sheath 5, be provided with high-temperature-resistant layer 4, described high-temperature-resistant layer 4 is closely arranged and is formed by several high temperature resistant bands are mutually circumscribed, drainage thread 7 of described insulating barrier 3 internal package, described sheath 5 is fluorescence sheaths.
Described center conductor 1A adopts the zinc-plated ultra-fine soft copper tow strand of 99.9999% anaerobic annealing, produce by the 6th kind of special soft copper conductor structure of standard (GB/T3956-2008), described outer conductor 1C is by zinc-coated wire mesh grid, outer aluminium foil forms, ground connection core 6 of described outer conductor 1C internal package.
Described ground connection core 6 is by zinc-plated annealed copper silk outsourcing annealed wire, overlapping up and down, forms according to the stranded braiding to the right of 20/0.5 (root/square millimeter) ratio.
Described high temperature resistant band is to be composited by ceramic fireproof silicon rubber and the calendering of high temperature resistant alkali-free glass fiber cloth; can bear the highest 1000 DEG C; hard housing armouring after burning plays a very good protection to circuit, ensures unimpeded in the situation that of fire of circuit.
Described sheath 5 is to be composited by alkali-free glass fiber cloth and the calendering of ceramic low-smoke halogen-free polyolefin material of adding fluorescer, and low smoke and zero halogen environmental protection, damages less to human body and surrounding environment.
Permission bending radius of the present utility model is the outside diameter of cable 10 times; The shielding rejection coefficient of this cable has reached 96.75%.
The above is embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model application range therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a underworkings high-temperature-resisting coaxial cable, it comprises coaxial core and is wrapped in successively nickel plating copper wire woven shield, insulating barrier, the sheath in coaxial core outside, it is characterized in that: described coaxial core is made up of center conductor, armour and outer conductor, between described insulating barrier and described sheath, be provided with high-temperature-resistant layer, described high-temperature-resistant layer is closely arranged and is formed by several high temperature resistant bands are mutually circumscribed, drainage thread of described insulating barrier internal package, described sheath is fluorescence sheath.
2. underworkings high-temperature-resisting coaxial cable according to claim 1, it is characterized in that: described center conductor is to adopt the zinc-plated ultra-fine soft copper tow strand of 99.9999% anaerobic annealing, produce by the 6th kind of special soft copper conductor structure of standard (GB/T3956-2008), described outer conductor is by zinc-coated wire mesh grid, outer aluminium foil forms, ground connection core of described outer conductor internal package.
3. underworkings high-temperature-resisting coaxial cable according to claim 2, it is characterized in that: described ground connection core is by zinc-plated annealed copper silk outsourcing annealed wire, overlapping up and down, form according to the stranded braiding to the right of 20/0.5 (root/square millimeter) ratio.
4. underworkings high-temperature-resisting coaxial cable according to claim 1, is characterized in that: described high temperature resistant band is to be composited by ceramic fireproof silicon rubber and the calendering of high temperature resistant alkali-free glass fiber cloth.
5. underworkings high-temperature-resisting coaxial cable according to claim 1, is characterized in that: described sheath is to be composited by alkali-free glass fiber cloth and the calendering of ceramic low-smoke halogen-free polyolefin material of adding fluorescer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146165.5U CN203760170U (en) | 2014-03-28 | 2014-03-28 | High-temperature-resistant coaxial cable for downhole tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146165.5U CN203760170U (en) | 2014-03-28 | 2014-03-28 | High-temperature-resistant coaxial cable for downhole tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN203760170U true CN203760170U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420146165.5U Expired - Fee Related CN203760170U (en) | 2014-03-28 | 2014-03-28 | High-temperature-resistant coaxial cable for downhole tunnel |
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| CN (1) | CN203760170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943232A (en) * | 2014-03-28 | 2014-07-23 | 安徽长风电缆集团有限公司 | High-temperature-resisting coaxial cable used for underworkings |
| CN105551674A (en) * | 2016-02-01 | 2016-05-04 | 安徽渡江电缆集团有限公司 | High-temperature resistant and waterproof coaxial cable |
| CN107958745A (en) * | 2017-11-27 | 2018-04-24 | 安徽环宇电缆集团有限公司 | A kind of computer controls cable with multi-core coaxial |
-
2014
- 2014-03-28 CN CN201420146165.5U patent/CN203760170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943232A (en) * | 2014-03-28 | 2014-07-23 | 安徽长风电缆集团有限公司 | High-temperature-resisting coaxial cable used for underworkings |
| CN105551674A (en) * | 2016-02-01 | 2016-05-04 | 安徽渡江电缆集团有限公司 | High-temperature resistant and waterproof coaxial cable |
| CN107958745A (en) * | 2017-11-27 | 2018-04-24 | 安徽环宇电缆集团有限公司 | A kind of computer controls cable with multi-core coaxial |
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