CN106782804A - Insulated conductor is pressed in a kind of anti-lightning strike type - Google Patents
Insulated conductor is pressed in a kind of anti-lightning strike type Download PDFInfo
- Publication number
- CN106782804A CN106782804A CN201611221322.4A CN201611221322A CN106782804A CN 106782804 A CN106782804 A CN 106782804A CN 201611221322 A CN201611221322 A CN 201611221322A CN 106782804 A CN106782804 A CN 106782804A
- Authority
- CN
- China
- Prior art keywords
- layer
- separation layer
- parts
- flame
- insulated conductor
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention discloses insulated conductor is pressed in a kind of anti-lightning strike type, it belongs to power cable technical field.It mainly includes two groups of wire groups, and the wire group leads core including two bronze medals, and two bronze medals are led core and are externally provided with screen layer, and two screen layers are externally provided with insulating barrier；Two wire groups are externally provided with the 3rd separation layer, 3rd separation layer is externally provided with the second flame-retardant layer, support frame is provided between 3rd separation layer and the second flame-retardant layer, second flame-retardant layer outside is sequentially provided with the second separation layer, the first separation layer, the first flame-retardant layer and sheath, and ground wire is provided between the second separation layer and the first separation layer；Support frame as described above includes support tube, and uniform four skeletons, are respectively equipped with arc frame outside support tube outside skeleton.The present invention is isolated by multilayer and support frame coordinates with packed layer, flame-resistant insulation effect is reached most preferably, and two bronze medals lead core for one group, and by setting up ground wire, ensures that the present invention, also can normal work when being struck by lightning.Present invention is mainly used for power circuit passage.
Description
Technical field
The invention belongs to power cable technical field, specifically, more particularly in a kind of anti-lightning strike type insulated conductor is pressed.
Background technology
Extensively using being mainly what its advantage was determined in power system, it can very well solve city to middle pressure insulated conductor
City's landscape planting and power circuit passage and power circuit safe operation this great problem.But, air is subject in power circuit
When overvoltage (thunderbolt) is discharged, middle pressure insulated conductor easily breaks, after broken string in addition to the stable operation for having a strong impact on power system,
Bigger problem is the security of the lives and property for influenceing the surrounding masses.Its broken string mechanism is as follows：It is subject to big in middle pressure insulated conductor circuit
Gas overvoltage, such as insulation can not meet requirement first in insulation most weak spot electric discharge, and one dot of insulating barrier appearance punctures during electric discharge,
Because breakdown point very little, electric arc are immovable, cause this temperature very high, the high temperature of moment makes this metallic aluminium put melt and break
Line.It is by the way of at present：Zinc-Oxide Arrester, inter-spike intervals, lightning conducter or coupling are installed additional on middle pressure insulated conductor circuit
Ground wire prevents the middle pressure measure broken in atmospheric over-voltage of insulated conductor, and these are all passive types, and effect is not ideal, or
The accident that can often break.
The content of the invention
It is an object of the invention to overcome drawbacks described above, there is provided press insulated conductor in a kind of anti-lightning strike type, it passes through multilayer
Isolation and support frame coordinate with packed layer, flame-resistant insulation effect is reached most preferably, and two bronze medals lead core for one group, and are connect by setting up
Ground wire, ensures that the present invention, also can normal work when being struck by lightning.
Insulated conductor, including two groups of wire groups, the wire group are pressed to lead core, two bronze medals including two bronze medals in described anti-lightning strike type
Lead core and be externally provided with screen layer, two screen layers are externally provided with insulating barrier；Two wire groups are externally provided with the 3rd separation layer, the 3rd separation layer peripheral hardware
There is the second flame-retardant layer, support frame is provided between the 3rd separation layer and the second flame-retardant layer, the second flame-retardant layer outside is sequentially provided with second
Separation layer, the first separation layer, the first flame-retardant layer and sheath, ground wire is provided between the second separation layer and the first separation layer.
Further, support frame as described above includes support tube, and uniform four skeletons, are respectively equipped with arc outside support tube outside skeleton
Frame, the support tube, skeleton and arc frame are formed in one structure.
Further, packed layer is provided between support frame as described above and the second flame-retardant layer, the packed layer is by following weight portion
Composition composition：Low density polyethylene (LDPE) 45-50 parts, phenol-formaldehyde resin powder 25-30 parts, 5-6 parts of N- phenyl-2-naphthylamines, cellulose 2-3
Part, preservative 3-4 parts, stabilizer 2-3 parts.
Further, support frame as described above is made up of the composition of following weight portion：Macromolecule resin 55-60 parts, polyvinyl chloride
25-28 parts, phenol-formaldehyde resin powder 15-20 parts, silicones 6-7 parts, plasticizer, curing agent 1-2 parts, stabilizer 2-3 parts.
Further, first separation layer is formed using the braiding of steel wire and aluminium foil strip, and is posted in steel wire and aluminium foil strip
Surface covers the mica tape of copper wire and fiberglass braided thing.
Further, second separation layer is made using double-layer aluminum-foil.
Further, the 3rd separation layer uses the mica of individual layer aluminium foil outer covering copper wire and fiberglass braided thing
Band.
Further, the screen layer is made using individual layer aluminium foil.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, ground wire and copper are led core and are used in conjunction with by the present invention, improve stability of the invention, are substantially reduced
Installation and production cost, make invention when being struck by lightning, also can normal work；
2nd, by three layers of isolation, support frame coordinates the present invention with packed layer, flame-resistant insulation effect is reached most preferably, and two bronze medals
Core is led for one group, is wrapped up through screen layer, while transmission speed of the present invention is improve, increased to shielding electromagnetic waves and suction
Produce effects really；
3rd, support frame is made by special material, and its support effect is good, structural stability is high, substantially increases of the invention
Service life.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of support frame.
In figure, 1, sheath；2nd, the first flame-retardant layer；3rd, the first separation layer；4th, ground wire；5th, the second separation layer；6th, the second resistance
Combustion layer；7th, support frame；8th, the 3rd separation layer；9th, insulating barrier；10th, copper leads core；11st, screen layer；12nd, packed layer；13rd, support tube；
14th, skeleton；15th, arc frame.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：As shown in figure 1, press insulated conductor in anti-lightning strike type, including two groups of wire groups, the wire group includes
Two bronze medals lead core 10, and two bronze medals are led core 10 and are externally provided with screen layer 11, and two screen layers 11 are externally provided with insulating barrier 9；Two wire groups are externally provided with
Three separation layers 8, the 3rd separation layer 8 is externally provided with the second flame-retardant layer 6, and support frame is provided between the 3rd separation layer 8 and the second flame-retardant layer 6
7, the outside of the second flame-retardant layer 6 is sequentially provided with the second separation layer 5, the first separation layer 3, the first flame-retardant layer 2 and sheath 1, the second isolation
Ground wire 4 is provided between the separation layer 3 of layer 5 and first.
As shown in Fig. 2 support frame as described above 7 includes support tube 13, outer uniform four skeletons 14 of support tube 13, outer point of skeleton 14
It is not provided with arc frame 15, the support tube 13, skeleton 14 and arc frame 15 are formed in one structure.
Embodiment two：Packed layer 12 is provided between the flame-retardant layer 6 of support frame as described above 7 and second, the packed layer 12 is by following
The composition composition of weight portion：Low density polyethylene (LDPE) 45-50 parts, phenol-formaldehyde resin powder 25-30 parts, it is 5-6 parts of N- phenyl-2-naphthylamines, fine
2-3 parts, preservative 3-4 parts, stabilizer 2-3 parts of element of dimension；Other are identical with embodiment one.
Embodiment three：Support frame as described above 7 is made up of the composition of following weight portion：Macromolecule resin 55-60 parts, polyvinyl chloride
25-28 parts, phenol-formaldehyde resin powder 15-20 parts, silicones 6-7 parts, plasticizer, curing agent 1-2 parts, stabilizer 2-3 parts；Other and reality
Apply example two identical.
Example IV：The packed layer 12 is made up of the composition of following weight portion：48 parts of low density polyethylene (LDPE), phenolic resin
29 parts of powder, 5.8 parts of N- phenyl-2-naphthylamines, 2.4 parts of cellulose, 3.2 parts of preservative, 3 parts of stabilizer；Support frame 7 is by following weight
The composition composition of part：55.5 parts of macromolecule resin, 26 parts of polyvinyl chloride, 17 parts of phenol-formaldehyde resin powder, 6.7 parts of silicones, plasticizer,
1.4 parts of curing agent, 2.2 parts of stabilizer；Other are identical with embodiment three.
Embodiment five：First separation layer 3 is formed using the braiding of steel wire and aluminium foil strip, and is posted in steel wire and aluminium foil strip
Surface covers the mica tape of copper wire and fiberglass braided thing；Second separation layer 5 is made using double-layer aluminum-foil；3rd isolation
Layer 8 uses the mica tape of individual layer aluminium foil outer covering copper wire and fiberglass braided thing；Screen layer 11 is using the making of individual layer aluminium foil
Into；Other are identical with example IV.
Second flame-retardant layer 6 is made using ammonium dihydrogen phosphate.
Support frame of the present invention 7 and packed layer 12 further increase fire-retardant, insulation effect of the invention, uniform point
The ground wire 4 of cloth, when being struck by lightning, even if in the most weak point that insulate, ground wire 4 also can directly marry again atmospheric over-voltage
Go out, ensure that the present invention, also can normal work when being struck by lightning；Meanwhile, the second separation layer 5 and the first separation layer 3, it is right to increased
Shielding electromagnetic waves and assimilation effect.
Claims (8)
1. insulated conductor is pressed in a kind of anti-lightning strike type, it is characterised in that：Including two groups of wire groups, the wire group is led including two bronze medals
Core (10), two bronze medals are led core (10) and are externally provided with screen layer (11), and two screen layers (11) are externally provided with insulating barrier (9)；Two wire group peripheral hardwares
There is the 3rd separation layer (8), the 3rd separation layer (8) is externally provided with the second flame-retardant layer (6), the 3rd separation layer (8) and the second flame-retardant layer (6)
Between be provided with support frame (7), the second flame-retardant layer (6) outside is sequentially provided with the second separation layer (5), the first separation layer (3), the first resistance
Combustion layer (2) and sheath (1), are provided with ground wire (4) between the second separation layer (5) and the first separation layer (3).
2. insulated conductor is pressed in anti-lightning strike type according to claim 1, it is characterised in that：Support frame as described above (7) includes branch
Support cylinder (13), support tube (13) uniform four skeletons (14) outward are respectively equipped with arc frame (15), the support tube outside skeleton (14)
(13), skeleton (14) and arc frame (15) are formed in one structure.
3. insulated conductor is pressed in anti-lightning strike type according to claim 2, it is characterised in that：Support frame as described above (7) and second
Packed layer (12) is provided between flame-retardant layer (6), the packed layer (12) is made up of the composition of following weight portion：Low density polyethylene (LDPE)
45-50 parts, phenol-formaldehyde resin powder 25-30 parts, 5-6 parts of N- phenyl-2-naphthylamines, cellulose 2-3 parts, preservative 3-4 parts, stabilizer 2-
3 parts.
4. insulated conductor is pressed in anti-lightning strike type according to any one of claim 1 to 3, it is characterised in that：The support
Frame (7) is made up of the composition of following weight portion：Macromolecule resin 55-60 parts, polyvinyl chloride 25-28 parts, phenol-formaldehyde resin powder 15-20
Part, silicones 6-7 parts, plasticizer, curing agent 1-2 parts, stabilizer 2-3 parts.
5. insulated conductor is pressed in anti-lightning strike type according to claim 4, it is characterised in that：First separation layer (3) is adopted
Woven with aluminium foil strip with steel wire and formed, and the mica of surface covering copper wire and fiberglass braided thing is posted in steel wire and aluminium foil strip
Band.
6. insulated conductor is pressed in anti-lightning strike type according to claim 4, it is characterised in that：Second separation layer (5) is adopted
It is made with double-layer aluminum-foil.
7. insulated conductor is pressed in anti-lightning strike type according to claim 4, it is characterised in that：3rd separation layer (8) is adopted
With the mica tape of individual layer aluminium foil outer covering copper wire and fiberglass braided thing.
8. insulated conductor is pressed in anti-lightning strike type according to claim 4, it is characterised in that：The screen layer (11) is using single
Layer aluminium foil is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221322.4A CN106782804A (en) | 2016-12-26 | 2016-12-26 | Insulated conductor is pressed in a kind of anti-lightning strike type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611221322.4A CN106782804A (en) | 2016-12-26 | 2016-12-26 | Insulated conductor is pressed in a kind of anti-lightning strike type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106782804A true CN106782804A (en) | 2017-05-31 |
Family
ID=58925680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611221322.4A Pending CN106782804A (en) | 2016-12-26 | 2016-12-26 | Insulated conductor is pressed in a kind of anti-lightning strike type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106782804A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316694A (en) * | 2017-06-23 | 2017-11-03 | 安徽华上电缆科技有限公司 | Fire protection flame retarding flexible cable is used in a kind of computer control |
| CN107887062A (en) * | 2017-10-17 | 2018-04-06 | 安徽庆华电缆有限公司 | A kind of fluoroplastic insulation and sheath high temperature computer cable |
| CN110111938A (en) * | 2019-05-22 | 2019-08-09 | 宋兴彬 | Direct burial high-strength cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887777A (en) * | 2009-05-11 | 2010-11-17 | 中利科技集团股份有限公司 | Lightning protection power cable with reinforced layer |
| CN102199323A (en) * | 2011-05-12 | 2011-09-28 | 上海邦中新材料有限公司 | Antiflaming and antistatic special master batch and preparation method thereof |
| CN202711837U (en) * | 2012-02-28 | 2013-01-30 | 上海起帆电线电缆有限公司 | Low-smoke zero-halogen metal-shielding armored medium-voltage power cable |
| US20130269967A1 (en) * | 2012-03-30 | 2013-10-17 | General Cabletechnologies Corporation | Gas encapsulated dual layer separator for a data communications cable |
| CN103724937A (en) * | 2013-11-29 | 2014-04-16 | 国网河南省电力公司平顶山供电公司 | Special insulating material for cable slideway connector |
| CN204332473U (en) * | 2014-11-21 | 2015-05-13 | 浙江万马股份有限公司 | New ceramics SiClx rubber strip fireproof environment-friendly type three-core cable |
| CN204480683U (en) * | 2015-01-30 | 2015-07-15 | 无为县金华电缆材料有限公司 | A kind of high-temperature-resistant, tensile insulated cable |
| CN105006294A (en) * | 2015-08-12 | 2015-10-28 | 国网山东省电力公司临沂供电公司 | New type low voltage power transmission cable |
-
2016
- 2016-12-26 CN CN201611221322.4A patent/CN106782804A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101887777A (en) * | 2009-05-11 | 2010-11-17 | 中利科技集团股份有限公司 | Lightning protection power cable with reinforced layer |
| CN102199323A (en) * | 2011-05-12 | 2011-09-28 | 上海邦中新材料有限公司 | Antiflaming and antistatic special master batch and preparation method thereof |
| CN202711837U (en) * | 2012-02-28 | 2013-01-30 | 上海起帆电线电缆有限公司 | Low-smoke zero-halogen metal-shielding armored medium-voltage power cable |
| US20130269967A1 (en) * | 2012-03-30 | 2013-10-17 | General Cabletechnologies Corporation | Gas encapsulated dual layer separator for a data communications cable |
| CN103724937A (en) * | 2013-11-29 | 2014-04-16 | 国网河南省电力公司平顶山供电公司 | Special insulating material for cable slideway connector |
| CN204332473U (en) * | 2014-11-21 | 2015-05-13 | 浙江万马股份有限公司 | New ceramics SiClx rubber strip fireproof environment-friendly type three-core cable |
| CN204480683U (en) * | 2015-01-30 | 2015-07-15 | 无为县金华电缆材料有限公司 | A kind of high-temperature-resistant, tensile insulated cable |
| CN105006294A (en) * | 2015-08-12 | 2015-10-28 | 国网山东省电力公司临沂供电公司 | New type low voltage power transmission cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107316694A (en) * | 2017-06-23 | 2017-11-03 | 安徽华上电缆科技有限公司 | Fire protection flame retarding flexible cable is used in a kind of computer control |
| CN107887062A (en) * | 2017-10-17 | 2018-04-06 | 安徽庆华电缆有限公司 | A kind of fluoroplastic insulation and sheath high temperature computer cable |
| CN110111938A (en) * | 2019-05-22 | 2019-08-09 | 宋兴彬 | Direct burial high-strength cable |
| CN110111938B (en) * | 2019-05-22 | 2020-11-10 | 聊城市正晟电缆有限公司 | Direct-buried high-strength cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106782804A (en) | Insulated conductor is pressed in a kind of anti-lightning strike type | |
| CN103137255A (en) | Special cable for rolling stock | |
| CN203085219U (en) | An environment-friendly locomotive signal cable resistant to oil, high temperature, and wear | |
| CN205900140U (en) | High -speed passenger is with fire prevention thin wall locomotive cable | |
| CN206194439U (en) | Electronics detonator is ignited and is used cable | |
| CN202871392U (en) | Environmental-friendly and cleaning type high-voltage flame-resistant power cable | |
| CN201975130U (en) | Three-core medium voltage flame-resistant cable | |
| CN209344514U (en) | The device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN206601974U (en) | A kind of resistance to compression shock resistance type railway digital signal cable | |
| CN202404963U (en) | High-tension shielding lower conductor for downlead of lightning receptor | |
| CN203118593U (en) | Special cable for locomotive | |
| CN202549421U (en) | Cable dedicated for sensor | |
| CN106847401A (en) | A kind of resistance to compression shock resistance type railway digital signal cable | |
| CN207966512U (en) | A kind of fire resistant flexible environment-friendly cable | |
| CN205789255U (en) | A kind of high-strength fireproof flame-proof composite cable | |
| CN201749714U (en) | Novel fire-resistant composite shielding armored flame-retardant computer cable | |
| CN207337960U (en) | A kind of 0.6/1kv silicon rubber insulations silicone rubber jacket power cable | |
| CN207182962U (en) | New and improved type flat cable | |
| CN206194397U (en) | Cable of resistant electric arc of resistant corona | |
| CN105427932A (en) | Halogen-free low-smoke and flame-retardant metallic shield monitoring type rubber jacketed flexible cable and production method therefor | |
| CN105741921A (en) | Smart energy transportation communication cable and production technology | |
| CN204304088U (en) | A kind of fireproof cable coupling assembling | |
| CN106531321B (en) | A kind of fire-retardant frequency-conversion power cable of mesolow | |
| CN202422798U (en) | Shielding reinforced type high-insulating jumper wire | |
| CN217008756U (en) | Halogen-free low-smoke flame-retardant fire-resistant power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |