CN207966511U - A kind of insulation of second third blocks water, fire-retardant flexible electric power cable - Google Patents
A kind of insulation of second third blocks water, fire-retardant flexible electric power cable Download PDFInfo
- Publication number
- CN207966511U CN207966511U CN201721848681.2U CN201721848681U CN207966511U CN 207966511 U CN207966511 U CN 207966511U CN 201721848681 U CN201721848681 U CN 201721848681U CN 207966511 U CN207966511 U CN 207966511U
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- Prior art keywords
- layer
- fire
- water blocking
- blocking layer
- retardant
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000003063 flame retardant Substances 0.000 title claims abstract description 42
- 238000009413 insulation Methods 0.000 title claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims abstract description 8
- 238000004132 cross linking Methods 0.000 claims abstract description 6
- 241000108463 Hygrophila <snail> Species 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 65
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000004709 Chlorinated polyethylene Substances 0.000 description 5
- 230000003712 anti-aging effect Effects 0.000 description 4
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of insulation of second third to block water, fire-retardant flexible electric power cable, including conductor, wrapped first water blocking layer and the second water blocking layer successively outside conductor extrude the fire-retardant ethylene-propylene rubber insulated layer of cross-linking type between the first water blocking layer and the second water blocking layer and constitute insulated wire cores；It is externally provided with the first wrapping layer in the second water blocking layer, first wrapping layer is externally provided with metal screen layer, the wrapped third water blocking layer outside metal screen layer, third water blocking layer are equipped with the second wrapping layer, the anti-tear haloflex rubber oversheath of fire-retardant height are finally extruded outside the second wrapping layer again outside.Power supply connection of the cable for small spaces electrical power trans mission/distribution systems such as skyscraper, subways, has excellent shielding properties, and block water, it is fire-retardant, the performances such as resist bending, and keep cable is smooth to transmit electric power, meet the power demands of the environment such as small space, underground engineering.
Description
Technical field
The utility model is related to a kind of second the third insulating power flexible cable and its production method, the specially a kind of insulation of second third resistance
Water, fire-retardant flexible electric power cable, belong to cable preparing technical field.
Background technology
In recent years, as the fast development of China's economic and Urbanization Construction are constantly accelerated, promote urban skyscraper,
Track transportation industry shoots up, urban skyscraper, subway power transmission and distribution pipe network narrow, the tide that generally lays environment
Wet, this puts forward higher requirements the flexibility, resist bending, block-water performance of cable.Skyscraper, subway station personnel are close simultaneously
Collection, flame-retardancy requirements are high, so the flame retardant property of cable is extremely important.
It stands in corporate social responsibility, safety in production ensures urban skyscraper, subway electrical power distribution electric system safe power supply
Angle, develop that a kind of insulation of second third blocks water, flame retardant type flexible electric power cable just seems particularly necessary.
Utility model content
In order to overcome the deficiencies in the prior art, provide a kind of insulation of second third block water, fire-retardant flexible electric power cable, the electricity
Power supply connection of the cable for small spaces electrical power trans mission/distribution systems such as skyscraper, subways, has excellent shielding properties, and block water,
It is fire-retardant, the performances such as resist bending, and keep cable is smooth to transmit electric power, meet the power supply need of the environment such as small space, underground engineering
It asks.
To achieve the above object, the utility model discloses a kind of insulation of second third to block water, fire-retardant flexible electric power cable, including leads
Body, wrapped first water blocking layer and the second water blocking layer successively outside conductor, extrudes friendship between the first water blocking layer and the second water blocking layer
The fire-retardant ethylene-propylene rubber insulated layer of connection type constitutes insulated wire cores；It is externally provided with the first wrapping layer in the second water blocking layer, outside the first wrapping layer
Equipped with metal screen layer, the wrapped third water blocking layer outside metal screen layer, third water blocking layer is equipped with the second wrapping layer again outside, finally
The anti-tear haloflex rubber oversheath of fire-retardant height is extruded outside the second wrapping layer.
Preferably, the conductor uses the 5th class soft copper conductor.
Preferably, the 5th class soft copper conductor is formed by multiply strand synnema layer-stranding, every layer of strand synnema layering
It is composed of more strand synnemas, the direction of lay of adjacent two layers is on the contrary, and between every two adjacent layers strand synnema layer
Wrapped single side semiconductor waterstop.
Preferably, first water blocking layer, the second water blocking layer and third water blocking layer are semiconductor waterstop.
Preferably, first twining package tape is single side aluminium-plastic tape, and aluminium faces outwardly.
Preferably, second twining package tape is non-woven fabrics.
Preferably, the metal screen layer is that tinned copper wire weaves, and count is not less than 80%.
The beneficial effects of the utility model are：
1, the utility model is blocked water design by the layering of cable conductor；And outside cable conductor, outside insulating layer, metal
Semiconductive water blocking layer is set outside shielded layer, both ensure that cable generally longitudinally block-water effect, also makes cable conductor and insulation, insulation
Have good electric field transition with metallic shield interlayer, be effectively ensured cable in wet condition block water requirement and it is safe to use；
Also, by the scientific design to cable metallic screens structure, composition is combined using aluminium-plastic tape and tin plating braiding copper wire
Cable complex environment electromagnetism, electric field shielding is effectively ensured, it is ensured that cable shield effect in shielded layer.
2, the utility model cable is compiled using the 5th class soft copper conductor, Ethylene-propylene Elastomer insulation rubber, tin plating soft copper silk metal
It knits with chlorinated polyethylene elastomer sheath rubber compared with traditional crosslinked polyetylene insulated pvc sheath cable, cable is curved
Song is had excellent performance.For especially chlorinated polyethylene elastomer sheath rubber after vulcanization crosslinking, elasticity resists this to have excellent performance, compared with
Pvc sheath cable has excellent counter-bending, resistance to dragging, and it is narrow at the electrical power distribution station of skyscraper, subway to meet cable
The laying of the adverse circumstances such as small space.
3, the utility model insulated wire cores use the third insulation rubber of fire-retardant second, the fire-retardant ethylene-propylene rubber oxygen index (OI) researched and developed
(OI) between 26-28, volume resistivity minimum value is 1 × 1015 Ω cm, the third insulation rubber of second had both had good fire-retardant
Performance also maintains good insulation performance.
4, the utility model cable uses that haloflex is fire-retardant for base-material, high anti-tear elastomer rubber, sheath rubber
Tensile strength >=11MPa, elongation at break >=300%, anti-tear >=8.0N/mm, oxygen index (OI) >=36, the poly- second of vulcanization crosslinking afterchlorinate
For alkene sheath rubber compared with thermoplastic material pvc sheath, elasticity resists this performance, wear-resisting property excellent, can meet cable
Construction demand under skyscraper, the electrical power distribution power station small space of subway, adverse circumstances.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the 5th class soft copper conductor in the utility model.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
As shown in Figure 1, a kind of insulation of second third of the utility model offer blocks water, fire-retardant flexible electric power cable, including conductor 1,
It is overlapped 2 and second water blocking layer 3 of wrapped first water blocking layer successively outside conductor, Duplication is 20%, is hindered in the first water blocking layer and second
The fire-retardant ethylene-propylene rubber insulated layer of cross-linking type is extruded between water layer constitutes insulated wire cores 4；Wrapped first is overlapped outside the second water blocking layer
Wrapping layer 5, Duplication 20%；First wrapping layer is externally provided with metal screen layer 6, and wrapped third is overlapped outside metal screen layer and is blocked water
Layer 7, Duplication 20%；The second wrapping layer 8 is equipped with outside third water blocking layer again, it is anti-tear that fire-retardant height is finally extruded outside the second wrapping layer
Haloflex rubber oversheath 9.
In order to further increase the performance of cable, the conductor uses the 5th class soft copper conductor, the first water blocking layer, second
Water blocking layer and third water blocking layer are semiconductor waterstop, and the first twining package tape is single side aluminium-plastic tape, and aluminium faces outwardly；Second
Twining package tape is non-woven fabrics, and the metal screen layer is that tinned copper wire weaves, and count is not less than 80%.
As shown in Fig. 2, the 5th class soft copper conductor is formed by multiply strand synnema layer-stranding, every layer of strand synnema
Layering is composed of more strand synnemas 10, and the direction of lay of adjacent two layers is on the contrary, and in every adjacent two layers strand synnema
Wrapped single side semiconductor waterstop 11 between layer.Concrete structure is：Conductor uses the concentric structure of " 1+6+12 " mode, with 1
Three layers of the strand synnema of strand synnema+12 of strand synnema+6 point is twisted.
The fire-retardant ethylene-propylene rubber insulated layer of cross-linking type therein is by mixer by the third electro-insulating rubber of second, oxidant, plasticising
Agent, vulcanizing agent, reinforcing agent, anti-aging agent is kneaded, slice is at the third insulation rubber of fire-retardant second that even sulphur squeezes out is met, and the fire-retardant second third is exhausted
The component and mass fraction of edge rubber be：100 parts of EPDM, 4 ~ 8 parts of ZnO, 5 ~ 8 parts of plasticizer, 2 ~ 3 parts of anti-aging agent, reinforcement
50 ~ 75 parts of filler, 3 ~ 5 parts of vulcanizing agent, 8 ~ 10 parts of fire retardant.
The anti-tear haloflex rubber oversheath of fire-retardant height therein be by mixer by chlorinated polyethylene rubber, oxidation
Agent, plasticizer, vulcanizing agent, reinforcing agent, anti-aging agent is kneaded, slice is protected at the anti-tear haloflex of fire-retardant height that even sulphur squeezes out is met
Rubber is covered, the component and mass fraction of the fire-retardant anti-tear chlorinated polyethylene sheath rubber of height are：100 parts of CPE, 6 ~ 12 parts of MgO,
15 ~ 20 parts of plasticizer, 2 ~ 3 parts of anti-aging agent, 60 ~ 80 parts of reinforcing filler, 20 ~ 30 parts of fire retardant, 4 ~ 6 parts of vulcanizing agent.
Performance measurement：
The structure size and performance prepared using this method is specific as follows：
0.6/1 kV second third of the rated voltage insulation fire-retardant flexible electric power cable of chlorinated polyethylene sheath
Model： ERFP-6/10 1×400
1. main conductor：400 mm2；
2. first layer water blocking layer：1 layer of semiconductor waterstop overlapping is wrapped, thick × wide：0.4 × 60mm, Duplication >=20%；
3. second third insulate：The third insulation rubber of fire-retardant second, nominal thickness 2.6mm；
4. second layer water blocking layer：1 layer of semiconductor waterstop overlapping is wrapped, thick × wide：0.4 × 60mm, Duplication >=20%；
5. first layer wrapping layer：1 layer of single side aluminium-plastic tape overlapping is wrapped, thick × wide：0.2 × 60mm, Duplication >=
20%；
6. wire sheathing：Tinned copper wire, brass wire diameter φ 0.2mm, count ＞ 80%；
7. third layer water blocking layer：1 layer of semiconductor waterstop overlapping is wrapped, thick × wide：0.4 × 60mm, Duplication >=20%；
8. second layer wrapping layer：1 layer of non-woven fabrics overlapping is wrapped, thick × wide：0.2 × 60mm, Duplication >=20%；
9. oversheath：The fire-retardant anti-tear chlorinated polyethylene sheath rubber of height, nominal thickness 2.0mm.
Performance：
=1 * GB3 1. power wire core insulating materials use fire-retardant ethylene-propylene rubber insulated glue, cable conductor long-term work
For temperature up to 90 DEG C, short-circuit temperature is 250 DEG C（Duration≤5s）；
2. pressure test：Cable applies 3.5UOTest voltage continue 5min, cable insulation does not puncture；
3. chlorinated polyethylene sheath rubber resists this performance：8.5N/mm；
4. cable flame retardance：Pass through the burning B experiments of GB/T 18380.34-2008 bunchys；
5. oversheath scraped finish is tested:Apply active force 210N, scraped finish 25 times, sheath surfaces externally and internally flawless, subsequent rushes
Hit voltage（20kV, each 10 times of positive and negative polarity）Cable portion punctures.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill people of this field
For member, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as belonging to
In the scope of protection of the utility model.
Claims (7)
1. a kind of insulation of second third blocks water, fire-retardant flexible electric power cable, it is characterised in that：Including conductor, successively wrapped outside conductor
One water blocking layer and the second water blocking layer extrude the fire-retardant ethylene-propylene rubber insulated layer of cross-linking type between the first water blocking layer and the second water blocking layer
Constitute insulated wire cores；It is externally provided with the first wrapping layer in the second water blocking layer, the first wrapping layer is externally provided with metal screen layer, in metal screen
Wrapped third water blocking layer outside layer is covered, the second wrapping layer is equipped with again outside third water blocking layer, is finally extruded outside the second wrapping layer fire-retardant
High anti-tear haloflex rubber oversheath.
2. the insulation of second third according to claim 1 blocks water, fire-retardant flexible electric power cable, it is characterised in that：The conductor is adopted
With the 5th class soft copper conductor.
3. the insulation of second third according to claim 2 blocks water, fire-retardant flexible electric power cable, it is characterised in that：5th class is soft
Copper conductor is formed by multiply strand synnema layer-stranding, and every layer of strand synnema layering is composed of more strand synnemas, adjacent
Two layers of direction of lay is on the contrary, and the wrapped single side semiconductor waterstop between every two adjacent layers strand synnema layer.
4. the insulation of second third according to claim 1 blocks water, fire-retardant flexible electric power cable, it is characterised in that：First resistance
Water layer, the second water blocking layer and third water blocking layer are semiconductor waterstop.
5. the insulation of second third according to claim 1 blocks water, fire-retardant flexible electric power cable, it is characterised in that：Described first is wrapped
Band is single side aluminium-plastic tape, and aluminium faces outwardly.
6. the insulation of second third according to claim 1 blocks water, fire-retardant flexible electric power cable, it is characterised in that：Described second is wrapped
Band is non-woven fabrics.
7. the insulation of second third according to claim 1 blocks water, fire-retardant flexible electric power cable, it is characterised in that：The metallic shield
Layer is that tinned copper wire weaves, and count is not less than 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848681.2U CN207966511U (en) | 2017-12-26 | 2017-12-26 | A kind of insulation of second third blocks water, fire-retardant flexible electric power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848681.2U CN207966511U (en) | 2017-12-26 | 2017-12-26 | A kind of insulation of second third blocks water, fire-retardant flexible electric power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207966511U true CN207966511U (en) | 2018-10-12 |
Family
ID=63729593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848681.2U Withdrawn - After Issue CN207966511U (en) | 2017-12-26 | 2017-12-26 | A kind of insulation of second third blocks water, fire-retardant flexible electric power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207966511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945939A (en) * | 2017-12-26 | 2018-04-20 | 无锡市明珠电缆有限公司 | A kind of insulation of second third blocks water, fire-retardant flexible electric power cable and preparation method thereof |
-
2017
- 2017-12-26 CN CN201721848681.2U patent/CN207966511U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945939A (en) * | 2017-12-26 | 2018-04-20 | 无锡市明珠电缆有限公司 | A kind of insulation of second third blocks water, fire-retardant flexible electric power cable and preparation method thereof |
| CN107945939B (en) * | 2017-12-26 | 2024-01-26 | 无锡市明珠电缆有限公司 | Ethylene-propylene insulating water-blocking flame-retardant power flexible cable and preparation method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20240126 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20240126 |