CN102751019A - Frequency conversion cable with flexible metal sheath - Google Patents
Frequency conversion cable with flexible metal sheath Download PDFInfo
- Publication number
- CN102751019A CN102751019A CN2012101968398A CN201210196839A CN102751019A CN 102751019 A CN102751019 A CN 102751019A CN 2012101968398 A CN2012101968398 A CN 2012101968398A CN 201210196839 A CN201210196839 A CN 201210196839A CN 102751019 A CN102751019 A CN 102751019A
- Authority
- CN
- China
- Prior art keywords
- flexible metal
- cable
- metal sheath
- frequency conversion
- sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 title abstract 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007935 neutral effect Effects 0.000 abstract description 3
- 230000005674 electromagnetic induction Effects 0.000 abstract 1
- 230000002633 protecting effect Effects 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 15
- 238000009413 insulation Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 239000000945 filler Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 206010021143 Hypoxia Diseases 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000018875 hypoxemia Diseases 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 241000283984 Rodentia Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a frequency conversion cable with a flexible metal sheath. The frequency conversion cable with the flexible metal sheath comprises an insulated cable core and a non-metal outer sheath and further comprises the flexible metal sheath wound on the cable core. The non-metal outer sheath is wrapped on the flexible metal sheath, the flexible metal sheath is made of a soft copper strip formed by pre-rolling and is covered and wound outside the cable core, and the covering overlapping rate is no smaller than 20%. The frequency conversion cable has the advantages that the frequency conversion cable can be applied to the high-voltage and high-frequency environment, and a shielded cable in the structure can resist electromagnetic induction, bad grounding and conducted interference of a power line, reduces inductance and avoids over large inducting electric heat. A shielding layer can have the effect of restraining external emission of electromagnetic waves, can also serve as a channel for short-circuit current and has protecting effect of a neutral cable core. The cable has pressure-resistant and tensile property, is convenient to curve and lay and simultaneously has ratproof and termite-proof performances and certain fireproof performances.
Description
Technical field
The present invention relates to the cable technology field, relate in particular to the frequency-changing cable that has the flexible metal sheath.
Background technology
Common frequency-changing cable generally adopts copper wire braid shielded, copper wire to twine shielding or the wrapped shielding of copper strips, and the shielding rejection coefficient is the highest about 85%, and screen can't satisfy the effect that suppresses external emission of electromagnetic wave and short circuit current passage simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of frequency-changing cable that has the flexible metal sheath, to solve the existing in prior technology weak point.
In order to realize the foregoing invention purpose, the technical scheme that the present invention adopted is:
The frequency-changing cable that has the flexible metal sheath comprises insulated wire cores, nonmetal oversheath, it is characterized in that, also comprises the flexible metal sheath that is wound on the said cable core, and said nonmetal oversheath is coated on the sheath of said flexible metal.
In a preferred embodiment of the invention, said flexible metal sheath adopts roll forming soft copper band in advance, is wound on the cable core through the tight mode of putting up.
The nominal thickness of said soft copper band is 0.08mm to 1.0mm.
The Duplication of putting up of said soft copper band is not less than 20%.
The cross section of said soft copper band is for S-shaped cross section roughly or roughly be Z-shaped cross section.
Advantage of the present invention is that this frequency-changing cable can be applied in the environment of high pressure, high frequency, and the shielded type cable of this structure can anti-electromagnetic induction, imperfect earth and power line conducted interference, reduces inductance, prevents that induced emf is excessive.Screen had both played and had suppressed the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, played the protective effect of neutral core.Cable has resistance to compression and tensile property, and bending is laid conveniently, has protection against rodents, termite-proof and certain fire resistance simultaneously concurrently.
Description of drawings
Fig. 1 is the radial cross-section that the present invention has the frequency-changing cable embodiment 1 of flexible metal sheath.
Fig. 2 is the radial cross-section that the present invention has the frequency-changing cable embodiment 2 of flexible metal sheath.
Embodiment
Following specific embodiment and accompanying drawing further specify the present invention.
Embodiment 1
Like the described frequency-changing cable that has the flexible metal sheath of Fig. 1, rated operational voltage U
0/ U is 0.6/1kV.It comprises insulated wire cores, be wound on flexible metal sheath 6 on the insulation cable core, be coated on the outer nonmetal oversheath 7 of flexible metal sheath 6.
The insulation cable core constitutes by 3 master cores, 3 ground connection cores and filler 5 are stranded.3 master cores, 3 ground connection core spaces, and symmetric arrays.The pitch of insulation cable core is 30 times of laying up diameter.Filler 5 is the non-hygroscopic gasket for packing.Filling radical is 7 * Φ 2, and the core gap is filled one respectively.
Master core is made up of conductor 3 and the insulating barriers 4 that are coated on outside the conductor 3.Conductor 3 adopts the annealed copper stranded conductor, and material is the hypoxemia cathode copper, and cross sectional shape is circular, and nominal cross is 25mm
2, structure is 7/2.20mm.Insulating barrier 4 adopts cross-linking polyethylene materials, and nominal thickness is 1.3mm.
The ground connection core is made up of conductor 1 and the insulating barrier 2 that is coated on outside the conductor 1.Conductor 1 adopts the annealed copper conductor, and material is the hypoxemia cathode copper, and cross sectional shape is circular, and nominal cross is 4mm
2, structure is 1/2.25mm.Insulating barrier 4 adopts cross-linking polyethylene materials, and nominal thickness is 1.1mm.
The color of 3 master core insulation is respectively: red, yellow, green, the color of 3 earth connection core insulations is blueness.
Like the described frequency-changing cable that has the flexible metal sheath of Fig. 2, rated operational voltage U
0/ U is 8.7/15kV.Comprise insulated wire cores, be coated on separation sleeve 8 on the insulated wire cores, be wound on flexible metal sheath 6 on the separation sleeve 8, be coated on the outer nonmetal oversheath 7 of flexible metal sheath 6.
The insulation cable core is by 3 master cores and filler 5a is stranded constitutes.The pitch of insulation cable core is 35 times of laying up diameter.Filler 5a is the fan-shaped packing of non-hygroscopic, packing is with a high standard * wide be 23.5 * 56mm, the center clearance of insulated wire cores is filled the non-hygroscopic gasket for packing of a Φ 8.
Every master core is by conductor 3a conductor shield 9, insulating barrier 10, insulation screen 11 and metal screen layer 12 stranded form outer with being coated on conductor 3a.Conductor 3a adopts the annealed copper stranded conductor, and material is the hypoxemia cathode copper, and cross sectional shape is circular, and nominal cross is 185mm
2, structure is 36/2.63mm.Conductor shield 9 adopts ultra clean semiconductive shieldin material, and nominal thickness is 0.8mm.Insulating barrier 10 adopts ultra clean cross-linking polyethylene materials, and nominal thickness is 4.5mm, and insulation screen 11 adopts ultra clean semiconductive shieldin material, and nominal thickness is 0.6mm.Conductor shield 9, insulating barrier 10, insulation screen 11 adopt three-layer co-extruded dry method mode to produce.
Put into the colour band that one color is respectively red, yellow, green for 12 times at the metal screen layer of 3 master cores and identify, the width of colour band is 5mm.Metal screen layer 12 adopts individual layer soft copper band overlapping wrapped outside insulated wire cores, and Duplication is not less than 15%, and soft copper band nominal thickness is 0.1mm.
Advantage of the present invention is that this frequency-changing cable can be applied in the environment of high pressure, high frequency, and the shielded type cable of this structure can anti-electromagnetic induction, imperfect earth and power line conducted interference, reduces inductance, prevents that induced emf is excessive.Screen had both played and had suppressed the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, played the protective effect of neutral core.Cable has resistance to compression and tensile property, and bending is laid conveniently, has protection against rodents, termite-proof and certain fire resistance simultaneously concurrently.
Claims (5)
1. the frequency-changing cable that has the flexible metal sheath comprises insulated wire cores, nonmetal oversheath, it is characterized in that, also comprises the flexible metal sheath that is wound on the said cable core, and said nonmetal oversheath is coated on the sheath of said flexible metal.
2. the frequency-changing cable that has the flexible metal sheath as claimed in claim 1 is characterized in that, said flexible metal sheath adopts roll forming soft copper band in advance, is wound on the cable core through the tight mode of putting up.
3. the frequency-changing cable that has the flexible metal sheath as claimed in claim 2 is characterized in that, the nominal thickness of said soft copper band is 0.08mm to 1.0mm.
4. the frequency-changing cable that has the flexible metal sheath as claimed in claim 2 is characterized in that, the Duplication of putting up of said soft copper band is not less than 20%.
5. the frequency-changing cable that has the flexible metal sheath as claimed in claim 2 is characterized in that, the cross section of said soft copper band is for S-shaped cross section roughly or roughly be Z-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196839.8A CN102751019B (en) | 2012-06-14 | 2012-06-14 | Frequency conversion cable with flexible metal sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210196839.8A CN102751019B (en) | 2012-06-14 | 2012-06-14 | Frequency conversion cable with flexible metal sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102751019A true CN102751019A (en) | 2012-10-24 |
| CN102751019B CN102751019B (en) | 2015-07-01 |
Family
ID=47031120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210196839.8A Active CN102751019B (en) | 2012-06-14 | 2012-06-14 | Frequency conversion cable with flexible metal sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102751019B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916349A (en) * | 2015-07-21 | 2015-09-16 | 马栋梁 | Electric twisted line synergistic embedded strip and use method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117332Y (en) * | 2007-07-18 | 2008-09-17 | 陈力文 | Lock segment type silicone hydride crosslinked polyetylene armoured cable |
| CN201210417Y (en) * | 2008-04-18 | 2009-03-18 | 江苏中煤电缆集团有限公司 | Safe flexible frequency variable cable |
| CN201387742Y (en) * | 2009-02-25 | 2010-01-20 | 江苏扬子江电缆厂 | Ship inverter cable |
| CN201421727Y (en) * | 2009-06-09 | 2010-03-10 | 扬州苏能电缆有限公司 | Anti-jamming observation and control cable used for DCS system |
| CN102360633A (en) * | 2011-09-30 | 2012-02-22 | 江苏亨通电力电缆有限公司 | Process for forming medium-voltage cable with copper strip as shield and optical fiber for temperature measurement as well as compounded with communication |
| CN102376386A (en) * | 2010-08-11 | 2012-03-14 | 徐静 | Fire-resisting cable |
| CN202258478U (en) * | 2011-10-17 | 2012-05-30 | 孟州市电力公司 | Anti-interference cable |
| CN202650647U (en) * | 2012-06-14 | 2013-01-02 | 金杯电工衡阳电缆有限公司 | Frequency conversion cable equipped with flexible metal sheath |
-
2012
- 2012-06-14 CN CN201210196839.8A patent/CN102751019B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117332Y (en) * | 2007-07-18 | 2008-09-17 | 陈力文 | Lock segment type silicone hydride crosslinked polyetylene armoured cable |
| CN201210417Y (en) * | 2008-04-18 | 2009-03-18 | 江苏中煤电缆集团有限公司 | Safe flexible frequency variable cable |
| CN201387742Y (en) * | 2009-02-25 | 2010-01-20 | 江苏扬子江电缆厂 | Ship inverter cable |
| CN201421727Y (en) * | 2009-06-09 | 2010-03-10 | 扬州苏能电缆有限公司 | Anti-jamming observation and control cable used for DCS system |
| CN102376386A (en) * | 2010-08-11 | 2012-03-14 | 徐静 | Fire-resisting cable |
| CN102360633A (en) * | 2011-09-30 | 2012-02-22 | 江苏亨通电力电缆有限公司 | Process for forming medium-voltage cable with copper strip as shield and optical fiber for temperature measurement as well as compounded with communication |
| CN202258478U (en) * | 2011-10-17 | 2012-05-30 | 孟州市电力公司 | Anti-interference cable |
| CN202650647U (en) * | 2012-06-14 | 2013-01-02 | 金杯电工衡阳电缆有限公司 | Frequency conversion cable equipped with flexible metal sheath |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916349A (en) * | 2015-07-21 | 2015-09-16 | 马栋梁 | Electric twisted line synergistic embedded strip and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102751019B (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201532808U (en) | Single-phase 27.5kV electric power cable of electrified railway | |
| RU180985U1 (en) | Shielded power cable | |
| CN102364601A (en) | Anti-interference low-voltage cable for balance of plant (BoP) of nuclear power station | |
| KR20120057823A (en) | Electrical power cable formed nylon sheath | |
| CN202615912U (en) | Variable frequency cable used for 690V vessel electric propulsion | |
| CN102751019B (en) | Frequency conversion cable with flexible metal sheath | |
| CN202650647U (en) | Frequency conversion cable equipped with flexible metal sheath | |
| CN207489555U (en) | High flexibility bend resistance cable | |
| CN102751033B (en) | Variable frequency cable for transformer station | |
| CN103854782A (en) | Environment-friendly medium-voltage fire-resistant power cable | |
| CN209912596U (en) | Isolated medium-voltage fire-resistant cable | |
| CN202332397U (en) | Marine medium-voltage fire-proof power cable | |
| CN106448880A (en) | Outer sheath of electric cable | |
| CN102751034A (en) | Novel composite-shielding high-voltage crosslinked polyethylene insulated power cable | |
| CN205984331U (en) | Nuclear power medium voltage power cable | |
| CN206282629U (en) | A kind of low-smoke halogen-free cable | |
| CN104733108A (en) | Variable frequency cable | |
| CN201237936Y (en) | 35KV and below water-resistant cable | |
| CN104821194A (en) | Armored shielding flexible cable for coal cutter | |
| CN109585071A (en) | A kind of resistance to lightning impulse thunder-lightning cable and preparation method | |
| CN205609234U (en) | High anti -electromagnetic interference cable of regulator cubicle interior | |
| CN103871670A (en) | Double-insulated and double-shielded metal armored cable | |
| CN211376284U (en) | Medium-voltage power cable for urban distribution network | |
| CN202839112U (en) | Special shield cable for partial discharge lab | |
| CN204348423U (en) | Aluminum-alloy wire shielding high-tension cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Frequency conversion cable with flexible metal sheath Effective date of registration: 20211215 Granted publication date: 20150701 Pledgee: Bank of China Limited Hengyang Branch Pledgor: GOLD CUP ELECTRIC APPARATUS HENGYANG CABLES Co.,Ltd. Registration number: Y2021980015024 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231120 Granted publication date: 20150701 Pledgee: Bank of China Limited Hengyang Branch Pledgor: GOLD CUP ELECTRIC APPARATUS HENGYANG CABLES Co.,Ltd. Registration number: Y2021980015024 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |