CN203826118U - Low smoke non-toxic flame retardant control cable used for communication base station - Google Patents
Low smoke non-toxic flame retardant control cable used for communication base station Download PDFInfo
- Publication number
- CN203826118U CN203826118U CN201420233203.0U CN201420233203U CN203826118U CN 203826118 U CN203826118 U CN 203826118U CN 201420233203 U CN201420233203 U CN 201420233203U CN 203826118 U CN203826118 U CN 203826118U
- Authority
- CN
- China
- Prior art keywords
- base station
- conductor
- control cable
- communication base
- layer
- 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.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 title claims abstract description 28
- 239000003063 flame retardant Substances 0.000 title abstract description 7
- 231100000252 nontoxic Toxicity 0.000 title abstract description 6
- 230000003000 nontoxic effect Effects 0.000 title abstract description 6
- 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 title abstract 6
- 239000000779 smoke Substances 0.000 title abstract 5
- 239000004020 conductor Substances 0.000 claims abstract description 44
- 229920000098 polyolefin Polymers 0.000 claims abstract description 12
- 229920000728 polyester Polymers 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 238000004132 cross linking Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011888 foil Substances 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a low smoke non-toxic flame retardant control cable used for a communication base station, and the low smoke non-toxic flame retardant control cable belongs to the technical field of wires and cables. The low smoke non-toxic flame retardant control cable comprises a cable core, a shielding layer and an outer sheath, wherein the cable core comprises line pairs and a wrapping layer, the wrapping layer wraps the line pairs, the shielding layer is arranged outside the wrapping layer, a ground wire is arranged between the wrapping layer and the shielding layer, the number of the line pairs is two, each line pair is composed of two leads, each lead comprises a conductor and a conductor insulating covered layer, the conductors are tinned fine-copper-wire-twisted conductors, the outmost layer of each tinned fine-copper-wire-twisted conductor is twisted toward the left, the twisting directions between layer and layer are opposite, each conductor insulating covered layer is made of cross-linked polyolefin, the wrapping layer is a polyester wrapping belt, the shielding layer is an aluminum foil belt and in contact with the ground wire, and the outer sheath is made of flame retardant cross-linked polyolefin. The low smoke non-toxic flame retardant control cable has the advantages of ideal low temperature resistance adaptability and ideal insulating effect, can reduce the leakage current, has good resistance to high temperature, does not release toxic or harmful gases during combustion, can reflect excellent flexibility and is convenience for laying.
Description
Technical field
The utility model belongs to technical field of electric wires and cables, is specifically related to a kind of communication base station LSZH flame-proof control cable, connects for the power supply of device interior on communication base station.
Background technology
Communication base station is telecom operators provides the important carrier of communication service for the public.The communication base station of broad sense is the abbreviation of base station sub-system, taking GSM network as example, comprises base station transceiver (BTS) and base station controller (BSC).A base station controller can be controlled numerous base station transceivers.In WCDMA system, similarly concept is called NodeB and RNC; The communication base station of narrow sense refers in certain wireless network area of coverage, by mobile switching center, and the transceiving letter platform that carries out information transmission between mobile telephone terminal.
In order to adapt to the trend of mobile communications network business to datumization, packetizing future development, mobile communication base station just towards broadband, greatly cover and IPization future development.And then, along with the quickening of unification of three nets process, NGB networking paces are just being accelerated in broadcasting and TV field, for adapting to high-speed data access communication network, communication cable is obvious gradually by the indoor demand to outdoor extension, and communication cable is just towards large logarithm future development.Meanwhile, traditional local cable also will develop to high frequency direction, and local cable and cable for digital communication are also tending towards merging.
Under aforementioned background, for communication base station equipment provide control cables that power supply supports when demand expands to also day by day harsh such as heatproof (high and low temperature), requirement fire-retardant, nontoxic.
In disclosed Chinese patent literature, can be seen in the technical information of communication base station cable, for example Granted publication CN2779566Y recommends to have " control purpose comprehensive electric cable ", although this patent scheme can embody the technique effect that 2 page of the 5th row of the 1st page of countdown line 3 to the of its specification recorded, but attach undue importance to one thing to the neglect of the other to some extent for the factor such as environmental suitability and Environmental Safety, this patent does not disclose the structural element of conductor, insulating layer of conductor, belting layer, foil shielding layer and even sheath in addition.And for example Granted publication CN201256007Y provides " signal, power composite electric cable for communication base station ", and this patent has the effect playing the same tune on different musical instruments with aforementioned patent, but has equally the shortcoming of aforementioned patent.
For above-mentioned prior art, Co., Ltd's necessity is rational modification in addition, and for this reason, the applicant has done useful design, has formed technical scheme described below.
Summary of the invention
Task of the present utility model is to provide a kind of and contributes to embody desirable low temperature resistant effect and use while avoiding using under low temperature environment and to occur cracking situation, be conducive to promote insulation effect and use and avoid leakage current, be of value to and ensure the feature of environmental protection and use to embody human-body safety and have and be convenient to embody good flexibility and use the communication base station conveniently laying LSZH flame-proof control cable.
Task of the present utility model completes like this, a kind of communication base station LSZH flame-proof control cable, comprise cable core, be positioned at the screen outside cable core and be positioned at the oversheath outside screen, described cable core comprise line to and lapping layer, lapping layer is wrapped externally online, described screen is positioned at outside lapping layer, and between lapping layer and screen, be provided with a ground wire, described line is to there being two, each line is to there being two wires to form, every wire comprises conductor and is overlayed on the conductor insulation coating outside conductor, and conductor is zinc-plated thin copper wire stranded conductor, the outermost layer of this zinc-plated thin copper wire stranded conductor is that left-hand is stranded, and direction of lay is between layers contrary, described conductor insulation coating is cross-linked polyolefin, described lapping layer is polyester twining package tape, described screen is aluminium foil strip, and contact with described ground wire, described oversheath is flame-proof cross-linking polyolefin.
In a specific embodiment of the present utility model, the 10-30 of the diameter that the stranded joint square of described zinc-plated thin copper wire stranded conductor is described conductor doubly.
In another specific embodiment of the present utility model, the filament diameter of described zinc-plated thin copper wire is 0.1-0.3 ㎜.
In another specific embodiment of the present utility model, the thickness of described conductor insulation coating is 0.7-2 ㎜.
In another specific embodiment of the present utility model, the width of described polyester twining package tape is 10-20 ㎜, and thickness is 0.01-0.08 ㎜.
Also have in a specific embodiment of the present utility model, the width of described aluminium foil strip is 10-20 ㎜, and thickness is 0.01-0.08 ㎜.
More of the present utility model and in a specific embodiment, the thickness of described oversheath is 0.8-2 ㎜.
In of the present utility model and then a specific embodiment, described ground wire forms by conductive monofilament is stranded.
Of the present utility model again more and in a specific embodiment, described conductive monofilament is copper wire or tinned copper wire.
In again of the present utility model and then a specific embodiment, described copper wire or the diameter of tinned copper wire are 0.1-0.3 ㎜.
The technical scheme that the utility model provides is with respect to one of technique effect of prior art, because having adopted cross-linked polyolefin and oversheath, conductor insulation coating adopts flame-proof cross-linking polyolefin, thereby there is desirable low temperature resistant adaptability, there will not be cracking situation; Two, due to shape of cross section there is desirable roundness and show as light compression-type and due to conductor insulation coating and and oversheath be the insulating material that dielectric strength is high, thereby insulation effect is desirable and can significantly reduce leakage current; Three, because conductor insulation coating and oversheath have adopted respectively cross-linked polyolefin and flame-proof cross-linking polyolefin, thereby there is good high-temperature resistant result and discharge without toxic and harmful in the time of burning, can embody the feature of environmental protection and the fail safe to human body; Four, because conductor is the stranded reason conductor of zinc-plated thin copper wire, thereby can embody excellent flexibility and be convenient to lay.
Brief description of the drawings
Fig. 1 is cross sectional representation of the present utility model.
Embodiment
Embodiment 1:
Refer to Fig. 1, provide cable core 1, be positioned at the screen 2 outside cable core 1 and be positioned at the oversheath 3 outside screen 2, cable core 1 comprise line to 11 and for by line to 11 coated lapping layers 12, hence one can see that lapping layer 12 is wrapped online to outside 11, and screen 2 is positioned at outside lapping layer 12.Shown in figure, between lapping layer 12 and screen 2, be directly placed with a ground wire 4, to be that the tinned copper wire of 0.3 ㎜ is stranded by diameter form this ground wire 4.Refractory filler is inserted in hole between wire 111, the roundness during in order to stranding.
Aforesaid line has two to 11, pair twist each other, adopt pair twist technique to twist together, form line pair, each line has two wires 111 to form to 11, and every wire 111 comprises conductor 1111 and overlayed on the conductor insulation coating 1112 outside conductor 111, and conductor 1111 is zinc-plated thin copper wire stranded conductor, and outermost layer is that left-hand is stranded when stranded, and direction of lay is between layers contrary.
In the present embodiment, aforesaid conductor insulation coating 1112 is cross-linked polyolefin, and thickness is 0.7 ㎜; Aforesaid twining package tape 12 is polyester twining package tape, and the width of this polyester twining package tape is 20 ㎜, and thickness is 0.06 ㎜; Aforesaid screen 2 is aluminium foil strip, and the width of this aluminium foil strip is 10 ㎜, and thickness is 0.01 ㎜, and aforesaid ground wire 4 is in contact with it; Aforesaid oversheath 3 is the flame-proof cross-linking polyolefin of thickness 0.85 ㎜.The diameter of the monofilament of aforesaid zinc-plated thin copper wire is 0.1 ㎜, 30 times of the diameter that aforesaid stranded joint square is conductor 1111.
Embodiment 2:
Only change the thickness of conductor insulation coating 1112 into 2 ㎜, the width of polyester twining package tape and thickness change respectively 10 ㎜ and 0.01 ㎜ into, the width of aluminium foil strip and thickness change respectively 20 ㎜ and 0.08 ㎜ into, ground wire 4 changes into by the stranded copper wire forming of filament diameter 0.1 ㎜ (being naked soft copper silk), the thickness of oversheath 3 changes 2 ㎜ into, the diameter of the monofilament of zinc-plated thin copper wire changes 0.2 ㎜ into, and stranded joint square changes 10 times of diameter of conductor 1111 into, and all the other are all with describing 1 of embodiment.
Embodiment 3:
Only change the thickness of conductor insulation coating 1112 into 1.4 ㎜, the width of polyester twining package tape and thickness change respectively 15 ㎜ and 0.05 ㎜ into, the width of aluminium foil strip and thickness change respectively 15 ㎜ and 0.06 ㎜ into, ground wire 4 changes the stranded tinned copper wire forming by filament diameter 0.2 ㎜ into, the thickness of oversheath 3 changes 1.5 ㎜ into, the diameter of the monofilament of zinc-plated thin copper wire changes 0.3 ㎜ into, and stranded joint square changes 20 times of diameter of conductor 1111 into, and all the other are all with describing 1 of embodiment.
Claims (10)
1. a communication base station LSZH flame-proof control cable, comprise cable core (1), be positioned at the outer screen (2) of cable core (1) and be positioned at the outer oversheath (3) of screen (2), it is characterized in that described cable core (1) comprises that line is to (11) and lapping layer (12), lapping layer (12) is wrapped online to outside (11), described screen (2) is positioned at outside lapping layer (12), and be provided with a ground wire (4) between lapping layer (12) and screen (2), described line has two to (11), each line has two wires (111) to form to (11), every wire (111) comprises conductor (1111) and is overlayed on the outer conductor insulation coating (1112) of conductor (1111), and conductor (1111) is zinc-plated thin copper wire stranded conductor, the outermost layer of this zinc-plated thin copper wire stranded conductor is that left-hand is stranded, and direction of lay is between layers contrary, described conductor insulation coating (1112) is cross-linked polyolefin, described lapping layer (12) is polyester twining package tape, described screen (2) is aluminium foil strip, and contact with described ground wire (4), described oversheath (3) is flame-proof cross-linking polyolefin.
2. communication base station according to claim 1 LSZH flame-proof control cable, the stranded joint square that it is characterized in that described zinc-plated thin copper wire stranded conductor be described conductor (1111) diameter 10-30 doubly.
3. communication base station according to claim 1 and 2 LSZH flame-proof control cable, is characterized in that the filament diameter of described zinc-plated thin copper wire is 0.1-0.3 ㎜.
4. communication base station according to claim 1 LSZH flame-proof control cable, the thickness that it is characterized in that described conductor insulation coating (1112) is 0.7-2 ㎜.
5. communication base station according to claim 1 LSZH flame-proof control cable, the width that it is characterized in that described polyester twining package tape is 10-20 ㎜, thickness is 0.01-0.08 ㎜.
6. communication base station according to claim 1 LSZH flame-proof control cable, is characterized in that the width of described aluminium foil strip is 10-20 ㎜, and thickness is 0.01-0.08 ㎜.
7. communication base station according to claim 1 LSZH flame-proof control cable, the thickness that it is characterized in that described oversheath (3) is 0.8-2 ㎜.
8. communication base station according to claim 1 LSZH flame-proof control cable, is characterized in that described ground wire (4) forms by conductive monofilament is stranded.
9. communication base station according to claim 8 LSZH flame-proof control cable, is characterized in that described conductive monofilament is copper wire or tinned copper wire.
10. communication base station according to claim 9 LSZH flame-proof control cable, is characterized in that described copper wire or the diameter of tinned copper wire are 0.1-0.3 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233203.0U CN203826118U (en) | 2014-05-08 | 2014-05-08 | Low smoke non-toxic flame retardant control cable used for communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233203.0U CN203826118U (en) | 2014-05-08 | 2014-05-08 | Low smoke non-toxic flame retardant control cable used for communication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826118U true CN203826118U (en) | 2014-09-10 |
Family
ID=51481592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420233203.0U Expired - Lifetime CN203826118U (en) | 2014-05-08 | 2014-05-08 | Low smoke non-toxic flame retardant control cable used for communication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996450A (en) * | 2014-05-08 | 2014-08-20 | 苏州科宝光电科技有限公司 | Low-smoke nontoxic flame-retardant control cable for communication base station |
| CN105913949A (en) * | 2016-06-24 | 2016-08-31 | 安徽宜德电子有限公司 | Low-carbon non-toxic fire alarm cable |
-
2014
- 2014-05-08 CN CN201420233203.0U patent/CN203826118U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996450A (en) * | 2014-05-08 | 2014-08-20 | 苏州科宝光电科技有限公司 | Low-smoke nontoxic flame-retardant control cable for communication base station |
| CN105913949A (en) * | 2016-06-24 | 2016-08-31 | 安徽宜德电子有限公司 | Low-carbon non-toxic fire alarm cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |