CN207993564U - A kind of high fire-retardance radiation protection armouring high-frequency digital cable - Google Patents
A kind of high fire-retardance radiation protection armouring high-frequency digital cable Download PDFInfo
- Publication number
- CN207993564U CN207993564U CN201820530987.1U CN201820530987U CN207993564U CN 207993564 U CN207993564 U CN 207993564U CN 201820530987 U CN201820530987 U CN 201820530987U CN 207993564 U CN207993564 U CN 207993564U
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- Prior art keywords
- retardance
- radiation protection
- frequency digital
- cable
- layer
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- 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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- 230000005855 radiation Effects 0.000 title claims abstract description 39
- 239000004020 conductor Substances 0.000 claims description 22
- 238000004132 cross linking Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000005030 aluminium foil Substances 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 238000004587 chromatography analysis Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 48
- 230000035939 shock Effects 0.000 abstract description 4
- 241000283984 Rodentia Species 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 238000005516 engineering process Methods 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
- 230000005540 biological transmission Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model is related to a kind of high fire-retardance radiation protection armouring high-frequency digital cables, when by external impacts or extruding, outer jacket forms first of measuring body barrier, effectively carrying, simultaneously, play the role of buffering jointly with sheath, since shielded layer is arranged inside protective layer twice, shielded layer is almost without direct stand under load, therefore, when being pressurized, it is not vulnerable, therefore, the pressure resistance of this cable, and shock resistance, resistance to mechanical tensile property is very good, the reliability used has been effectively ensured, armor is but also cable can be laid immediately under the conditions of rugged environment simultaneously, and it is effectively protected cable, anti- rodent class bites, ensure capable of safely and effectively running for cable.
Description
Technical field
The utility model creation belongs to technical field of cable production, more particularly, to a kind of high fire-retardance radiation protection armouring high frequency
Digital cable
Background technology
The use occasion of the fast development of the communications industry, cable is more and more extensive, and the place of cable is disposed also to become multiple
Miscellaneous diversification.Such as subway, harbour, harbour, nuclear power station, power station, mine, tunnel electromagnetic interference, nuclear radiation, rodent
It bites, under moist, complicated environment, cable should also have good anti-interference, anti-spoke other than communication in these cases
It penetrates, the function of resistant to mechanical damage, such as resistance to compression, anti-bite, high fire-retardance, tension performance.But existing high-frequency digital transmission cable exists
The functional characteristic for being provided simultaneously with high fire-retardance, radiation protection, resistant to mechanical damage and waterproof is tended not to when installing and using, cable laying exists
In above-mentioned place, since conventional numerical communication cable often uses in above-mentioned environment, the service life can be caused low, fluctuation of service,
The problems such as being subject to destroy, can directly result in cable cisco unity malfunction when more serious.This is just badly in need of a kind of special cable can
Solve problem above.The communication requirement of user can be also solved in above-mentioned rugged environment.
Such as the communication of locomotive cable on subway, often due to moist environment, a large amount of rodent, cause to be laid with
Cable by destroy the phenomenon that.
Such as the growth requirement of the cables of nuclear power in China disconnects with technical support, in face of external technology blockage and to state
The outer serious dependence of cables of nuclear power, these import cable products are expensive, consume a large amount of foreign exchanges, so exploitation nuclear power station
It is an arduousness and urgent task with the high-frequency digital communication cable of high quality.
Utility model content
The technical problems to be solved in the utility model is:To solve the skill of digital cable radiation-proof effect difference in the prior art
Art problem, to provide a kind of high fire-retardance radiation protection armouring high-frequency digital cable.
Technical solution adopted by the utility model to solve its technical problems is:A kind of high frequency of high fire-retardance radiation protection armouring
Word cable includes several cable cores, wrapping layer, shielded layer, sheath, armor and outer jacket successively from inside to outside;
Sheath and outer jacket are cross-linking radiation polyolefine material;
Each cable core includes several conductors, the double layer of insulation being arranged outside conductor, and double insulating layer includes in being located at
The polytetrafluoroethyl-ne propylene insulating layer of side and irradiation crosslinked polyolefin insulating layer positioned at outside.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the wrapping layer include in being located at
The polyimide film layer of side and irradiated crosslinking low-smoke and halogen-free flame retardant glass fibre belting layer positioned at outside.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the conductor are pure cu conductor, plating
Tin copper or silver-plated copper conductor.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the shielded layer weave for aluminium foil
Cloth is made.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, insulating layer have spectral color, are
Solid color chromatography has colour band or colour circle.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the shielded layer weave for aluminium foil
Cloth.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the armor are steel-tape armouring
Layer.
Preferably, the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, the sheath and outer jacket
The ratio between thickness is 2-3:3-4.
The utility model has the beneficial effects that:
The high fire-retardance radiation protection armouring high-frequency digital cable of the utility model, when by external impacts (or extruding), outside
Sheath forms first of measuring body barrier, effectively carries, meanwhile, play the role of buffering jointly with sheath, due to shielded layer
It is arranged inside protective layer twice, shielded layer is almost without direct stand under load, therefore, not vulnerable when being pressurized, therefore, this cable
Pressure resistance and shock resistance, resistance to mechanical tensile property is very good, the reliability used has been effectively ensured, while armor also makes
Obtaining cable can be laid immediately under the conditions of rugged environment, and be effectively protected cable, and anti-rodent class bites, and ensures electricity
Cable can safely and effectively be run.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the sectional view of the high fire-retardance radiation protection armouring high-frequency digital cable of the utility model;
Reference numeral in figure is:
Cable core 1, wrapping layer 2, shielded layer 3, sheath 4, armor 5, outer jacket 6, conductor 11, the insulation of polytetrafluoroethyl-ne propylene
Layer 12, Radiation Crosslinked Polyethylene insulating layer 13, polyimide film layer 21, irradiated crosslinking low-smoke and halogen-free flame retardant glass fibre band
Layer 22, filler 7.
Specific implementation mode
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model creation
Sign can be combined with each other.
The utility model create description in, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and creates and simplify description,
It does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, because
This should not be understood as the limitation created to the utility model.In addition, term " first ", " second " etc. are used for description purposes only, and
It should not be understood as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " etc. can explicitly or implicitly include one or more this feature.In the utility model
In the description of creation, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description that the utility model is created, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, it can be managed by concrete condition
Solve concrete meaning of the above-mentioned term in the utility model creation.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments creates.
Embodiment
The present embodiment provides a kind of high fire-retardance radiation protection armouring high-frequency digital cables, as shown in Figure 1, wrapping successively from inside to outside
Include several cable cores 1, wrapping layer 2, shielded layer 3, sheath 4, armor 5 and outer jacket 6;
Shielded layer 3 is made of aluminium foil cloth, and sheath 4 and outer jacket 6 are cross-linking radiation polyolefine material, by 31 He of plastic film layer
Aluminium foil layer 32 is constituted;
The ratio between the sheath 4 and the thickness of outer jacket 6 are 2-3:3-4;Cooperation between two kinds of thickness, can ensure
In the case of less increasing diameter, the intensity of cable is improved;
The wrapping layer 2 includes the irradiated crosslinking low-smoke and halogen-free positioned at the polyimide film layer 21 of inside and positioned at outside
Combustion-proof glass fiber belting layer 22;It should be pointed out that wrapping layer 2 is radiation hardness band, when use, can play moisture-proof role,
So that cable is greatly improved in fire-retardant, ageing-resistant and UV resistant and other irradiation behaviours, to improve the security performance of cable,
The service life for extending cable, avoids the damage to cable.
Armor 5 is preferably steel-tape armouring layer.
Each cable core 1 includes several conductors 11, pure cu conductor that conductor 11 selects electric conductivity excellent, tin-coated copper or
The materials such as silver-plated copper conductor, are arranged the double layer of insulation outside conductor 11, and double insulating layer includes the polytetrafluoroethyl-ne third positioned inside
Alkene layer 12 and irradiation crosslinked polyolefin insulating layer 13 positioned at outside.
The high fire-retardance radiation protection armouring high-frequency digital cable of the present embodiment, when by external impacts (or extruding), outer shield
Layer 6 forms first of measuring body barrier, effectively carries, meanwhile, play the role of buffering jointly with sheath 4, due to shielded layer 3
It is arranged inside protective layer twice, shielded layer 3 is almost without direct stand under load, therefore, not vulnerable when being pressurized, therefore, this cable
Pressure resistance and shock resistance, resistance to mechanical tensile property is very good, the reliability used has been effectively ensured, while armor 5 also makes
Obtaining cable can be laid immediately under the conditions of rugged environment, and be effectively protected cable, and anti-rodent class bites, and ensures electricity
Cable can safely and effectively be run.
Conductor 11 ensures high-purity, the high conductivity of transmission medium using pure cu conductor, tin-coated copper or silver-plated copper conductor.
Wherein, one layer of polytetrafluoroethyl-ne propylene insulating layer 12 is uniformly squeezed out outside each conductor 11, effectively improves the temperature resistant grade of cable, has super
Strong flame-retardant performance.
Radiation Crosslinked Polyethylene insulating layer 13 is used in insulating layer, in constituent material added with ultrahigh molecular weight (UHMW) polyethylene,
Radiation hardness auxiliary agent, antioxidant, compatilizer, fire retardant, crosslinking coagent and lubricant etc..Insulating layer has spectral color, is single
Color chromatography has colour band or colour circle.By different chromatographies to distinguish the conductor 11 of different function.
Shielded layer 3 is made of aluminium foil woven cloth, has function of shielding.Sheath 4 is cross-linking radiation polyene material hydrocarbon material,
Outer jacket 14 is cross-linking radiation polyolefine material, improves the shock resistance of cable, pressure-resistant performance, also, have good anti-spoke
Penetrate ability.
In an alternative embodiment, gasket for packing can be set between shielded layer 3 and sheath 4, it is effective to improve
The pressure resistance of cable, tensile property.Above-mentioned armor 5 uses steel-tape armouring layer, is effectively protected inner conductor, further functions as screen
The effect for covering and protecting cable provides the service life of cable.
It is filler 9 between cable core 1 in figure.
The utility model, which creates the cable product provided, has that good flame retardant property, radiation hardness, wear-resistant, anti-electromagnetism is dry
Disturb, resistance to mechanical stretches, anti-rodent such as stings at the functional characteristics, radiation hardness ability is very strong, and cable structure can answer
For under a variety of environmental conditions, for example can be used safely in the nuclear power plant environment of height radiation, can be laid on underground mine,
In the environment such as subway, there is stable, high safety, the characteristics such as long lifespan can transmit the signals such as high-frequency digital, audio, video.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (8)
1. a kind of high fire-retardance radiation protection armouring high-frequency digital cable, which is characterized in that include several cable cores successively from inside to outside
(1), wrapping layer (2), shielded layer (3), sheath (4), armor (5) and outer jacket (6);
Sheath (4) and outer jacket (6) are cross-linking radiation polyolefine material;
Each cable core (1) includes several conductors (11), and the double layer of insulation in conductor (11) outside is arranged, and double insulating layer includes
Polytetrafluoroethyl-ne propylene insulating layer (12) positioned inside and the irradiation crosslinked polyolefin insulating layer (13) positioned at outside.
2. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the wrapping layer
(2) include the polyimide film layer (21) for being located inside and the irradiated crosslinking low-smoke and halogen-free flame retardant glass fiber package positioned at outside
Belt (22).
3. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the conductor (11)
For pure cu conductor, tin-coated copper or silver-plated copper conductor.
4. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the shielded layer
(3) it is made of aluminium foil cloth.
5. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that insulating layer has color
Color is composed, for solid color chromatography or there is colour band or colour circle.
6. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the shielded layer
(3) it is aluminium foil woven cloth.
7. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the armor
(5) it is steel-tape armouring layer.
8. high fire-retardance radiation protection armouring high-frequency digital cable according to claim 1, which is characterized in that the sheath
(4) it is 2-3 with the ratio between the thickness of outer jacket (6):3-4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820530987.1U CN207993564U (en) | 2018-04-16 | 2018-04-16 | A kind of high fire-retardance radiation protection armouring high-frequency digital cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820530987.1U CN207993564U (en) | 2018-04-16 | 2018-04-16 | A kind of high fire-retardance radiation protection armouring high-frequency digital cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207993564U true CN207993564U (en) | 2018-10-19 |
Family
ID=63831641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820530987.1U Expired - Fee Related CN207993564U (en) | 2018-04-16 | 2018-04-16 | A kind of high fire-retardance radiation protection armouring high-frequency digital cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207993564U (en) |
-
2018
- 2018-04-16 CN CN201820530987.1U patent/CN207993564U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 |