CN110838388A - Special self-fixing coaxial cable for carrier communication - Google Patents
Special self-fixing coaxial cable for carrier communication Download PDFInfo
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- CN110838388A CN110838388A CN201911139829.9A CN201911139829A CN110838388A CN 110838388 A CN110838388 A CN 110838388A CN 201911139829 A CN201911139829 A CN 201911139829A CN 110838388 A CN110838388 A CN 110838388A
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- 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
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- 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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- 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
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- 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
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- 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
Abstract
The invention discloses a self-fixing coaxial cable special for carrier communication, belonging to the field of coaxial cables, and comprising a triggering deformation insulation protective sleeve, a central conductor and a plurality of coaxial conductors, wherein the coaxial conductors are uniformly distributed between the triggering deformation insulation protective sleeve and the central conductor, the triggering deformation insulation protective sleeve sequentially comprises an inner insulation layer, a shielding layer, an outer insulation layer, a triggering deformation layer and an outer protection layer from inside to outside, the outer protection layer is arranged into a rigid layer, and an installer can flexibly process the rigid layer according to requirements, the self-fixing device is suitable for the actual installation environment, the rigidity of the device is reused to fix the coaxial cable, the self-fixing effect of the device is achieved, the probability of friction damage between the device and the wall surface is reduced to a great extent, a safety guarantee is provided for the operation of the weak current intelligent system, and the stable operation of the whole weak current intelligent system is further maintained.
Description
Technical Field
The invention relates to the field of coaxial cables, in particular to a self-fixing coaxial cable special for carrier communication.
Background
Coaxial cable (Coaxial) refers to a cable having two concentric conductors, with the conductors and shield sharing the same axis. Most common coaxial cables consist of a copper conductor separated by an insulating material, outside of which is another layer of annular conductor and its insulation, and then the entire cable is surrounded by a sheath of polyvinyl chloride or teflon material. Currently, there are two types of coaxial cables in common use: 50 omega and 75 omega coaxial cables. The 75 omega coaxial cable is commonly used in the CATV network, so the cable is called CATV cable, the transmission bandwidth can reach 1GHz, and the transmission bandwidth of the current common CATV cable is 750 MHz. The 50 omega coaxial cable is mainly used for baseband signal transmission, the transmission bandwidth is 1-2OMHz, the bus type Ethernet uses the 50 omega coaxial cable, in the Ethernet, the maximum transmission distance of the 50 omega thin coaxial cable is 185 meters, and the thick coaxial cable can reach 1000 meters.
The coaxial cable is named in relation to its structure. Coaxial cable is also one of the most common transmission media in local area networks. A pair of conductors for transmitting information is made up by using a cylindrical external conductor to cover the external surface of internal conductor (a thin core), and using insulating material to separate two conductors from each other, and the centre of the external conductor and centre of the central core wire are positioned on the same axle centre, so that they are called coaxial cable, and said coaxial cable is designed so as to prevent external electromagnetic wave from interfering the transmission of abnormal signal. The coaxial cable is divided into four layers from inside to outside: a central copper wire, a plastic insulator, a mesh conductive layer and a wire sheath. The central copper wire and the mesh-shaped conductive layer form a current loop. The name is given to the central copper wire and the mesh-like conductive layer being in a coaxial relationship.
Coaxial cables conduct alternating current rather than direct current, that is, the direction of current is reversed several times per second, if high frequency current is transmitted by using a common wire, the wire acts as an antenna for transmitting radio outwards, and this effect consumes power of signals, so that the received signal strength is reduced. The advantages of coaxial cable are that high bandwidth communications can be supported over relatively long, unrepeatered lines, while the disadvantages are also apparent: firstly, the size is large, the diameter of the thin cable is 3/8 inches thick, and a large amount of space of a cable duct is occupied; secondly, the cable cannot bear entanglement, pressure and severe bending, which can damage the cable structure and prevent the transmission of signals; finally, the cost is high, and all these disadvantages are overcome by the twisted pair, so that in the current lan environment, the ethernet physical layer specification based on the twisted pair has been basically replaced. The radio emitted from the central wire is isolated by the mesh conductive layer, and the mesh conductive layer can control the emitted radio in a grounding mode. A problem with coaxial cables is that if a section of the cable is compressed or distorted to a greater degree, the distance between the center wire and the mesh conductive layer is not uniform, which can cause internal radio waves to be reflected back to the signal transmitting source. This effect reduces the receivable signal power. To overcome this problem, a plastic insulator is added between the center wire and the mesh conductor to ensure a consistent distance between them. This also results in the characteristic of such cables being relatively stiff and not easily bent.
A coaxial cable's integrity for among carrier communication system construction wiring is an important factor that influences whole carrier communication system performance, especially install the coaxial cable who is close to wall department, because of its characteristic that is difficult to crooked, lead to its wall laminating in can not be fine and the actual installation environment, be half unsettled form, rock easily, rock and lead to its surface and wall friction, especially the scraping of wall body edges and corners department is very serious, it makes coaxial cable and wall face fixed then can damage the wall to set up fixing device additionally, and in case the coaxial cable is impaired, light then leads to signal transmission failure, it is whole paralysed that the carrier communication system that is moving then to cause seriously.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a special self-fixing type coaxial cable for carrier communication, wherein an external protective layer is arranged into a rigid layer, an installer can perform flexible treatment on the rigid layer as required to adapt to the actual installation environment, and the rigid layer is used for fixing the coaxial cable again, so that the coaxial cable is well attached to a wall in the actual installation environment, the self-fixing effect is realized, the friction damage probability between the coaxial cable and the wall is greatly reduced, a safety guarantee is provided for the operation of a weak current intelligent system, and the stable operation of the whole weak current intelligent system is further maintained.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-fixing coaxial cable special for carrier communication comprises a triggering deformation insulating protective sleeve, a central conductor and a plurality of coaxial conductors, wherein the triggering deformation insulating protective sleeve is wrapped on the outer side of the central conductor, the coaxial conductors are uniformly distributed between the triggering deformation insulating protective sleeve and the central conductor, the triggering deformation insulating protective sleeve sequentially comprises an inner insulating layer, a shielding layer, an outer insulating layer, a triggering deformation layer and an outer protective layer from inside to outside, the outer protective layer is set to be a 'rigid layer', an installer can perform 'flexible treatment' on the triggering deformation insulating protective sleeve as required to adapt to the actual installation environment, the 'rigid' is reused to fix the coaxial cable, the coaxial cable is well attached to a wall in the actual installation environment, the self-fixing effect of the coaxial cable is realized, and the friction damage probability between the coaxial cable and the wall is greatly reduced, the system provides a safety guarantee for the operation of the weak current intelligent system, and further maintains the stable operation of the whole weak current intelligent system.
Furthermore, the trigger deformation layer is made of memory alloy materials, the thickness of the trigger deformation layer is 1-1.5mm, the deformation of the trigger deformation layer at a lower temperature can be completely eliminated after the trigger deformation layer is heated and heated, and the characteristic of the original shape of the trigger deformation layer before the deformation is recovered.
Furthermore, the inner insulating layer and the outer insulating layer are both made of polyolefin insulating flame-retardant materials, the thickness of the inner insulating layer is 0.8-1mm, the thickness of the outer insulating layer is 1-1.8mm, the fireproof performance of the insulating layers is enhanced, and the insulating layers are not easy to burn.
Furthermore, ten percent of aerogel composite material is also mixed in the manufacturing material of the outer insulating layer, so that the anti-freezing effect is good, and the good insulating property of the outer insulating layer can be ensured.
Furthermore, the shielding layer is two-layer, and is two-layer the shielding layer all adopts 0.5-0.8 mm's high performance shielded wire to weave into netted, and two-layer shielding layer is non-eclipsed formula stack, and its shielding performance can effectively be strengthened to two-layer non-eclipsed formula stack shielding layer, and toughness is good, is difficult for because of coaxial cable stretch-draw impaired.
Furthermore, shielding sealant is filled in the shielding layer, so that the shielding performance of the shielding layer is enhanced, and the toughness of the shielding layer is improved.
Furthermore, the outer protective layer, the inner insulating layer, the shielding layer, the outer insulating layer and the triggering deformation layer are all vacuumized, the sealing performance inside the coaxial cable can be guaranteed under the vacuum environment, various performances of the internal multilayer wrapping layer can be maintained, the integrity of the whole coaxial cable is protected better, and the breakdown of a weak current intelligent system due to internal damage is avoided.
Further, the outer jacket is a plurality of, and every outer jacket length is 20-30mm, adjacent two form vertical annular groove between outer jacket and the trigger deformation layer, vertical annular groove department splices there is the frost-resistant sealed glue, the outer jacket side is non-closed curved surface, and forms horizontal rectangle slot between non-closed department and the trigger deformation layer, horizontal rectangle slot department splices equally has the frost-resistant sealed glue, and the installer of being convenient for unpacks the outer jacket apart as required along vertical annular groove and horizontal rectangle slot, heats up the temperature-rising to the trigger deformation layer, makes it take place deformation.
Further, the antifreeze sealant comprises an aerogel composite material and polyfluorinated ethylene propylene, has good antifreeze flame-retardant effect, is not easy to shrink due to cold, is not easy to burn, has a silicon carbide composite coating on the surface of the antifreeze sealant, has good scratch-resistant performance, and is favorable for protecting the antifreeze sealant.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme sets to "rigid layer" with outside protective layer, installer can heat the trigger deformation layer according to actual installation environment and make its intensification take place deformation, carry out "flexible processing" to it, control intensification temperature makes the deformation of trigger deformation layer reach required shape, it fixes coaxial cable to reuse its "rigidity", make coaxial cable fine with the wall laminating in the actual installation environment, realize its effect from the fixing, reduce the impaired probability of friction between its and the wall in the very big degree, provide one safety guarantee for the operation of weak current intelligent system, further maintain whole weak current intelligent system steady operation.
(2) The trigger deformation layer is made of memory alloy materials, the thickness of the trigger deformation layer is 1-1.5mm, the deformation of the trigger deformation layer at a lower temperature can be completely eliminated after the trigger deformation layer is heated, and the characteristic of the original shape of the trigger deformation layer before the deformation is recovered.
(3) The inner insulating layer and the outer insulating layer are both made of polyolefin insulating flame-retardant materials, the thickness of the inner insulating layer is 0.8-1mm, the thickness of the outer insulating layer is 1-1.8mm, the fireproof performance of the insulating layers is enhanced, and the insulating layers are not easy to burn.
(4) The manufacturing material of the outer insulating layer is also mixed with ten percent of aerogel composite material, so that the anti-freezing effect is good, and the good insulating property of the outer insulating layer can be ensured.
(5) The shielding layers are two layers, the two layers of shielding layers are all woven into a net shape by adopting 0.5-0.8mm high-performance shielding wires, the two layers of shielding layers are overlapped in a non-overlapped mode, the shielding performance of the shielding layers can be effectively enhanced by the two layers of shielding layers overlapped in a non-overlapped mode, the toughness is good, and the shielding layers are not easy to damage due to stretching of the coaxial cable.
(6) The shielding layer is filled with shielding sealant, so that the shielding performance is enhanced and the toughness is improved.
(7) The outer jacket, the inner insulating layer, the shielding layer, the outer insulating layer and the trigger deformation layer are all vacuumized, the sealing performance inside the coaxial cable can be guaranteed under the vacuum environment, various performances of the multilayer wrapping layer inside the coaxial cable can be maintained, the integrity of the coaxial cable is better protected, and the weak current intelligent system is not prone to being broken down due to internal damage.
(8) The outer jacket is a plurality of, and every outer jacket length is 20-30mm, form vertical annular groove between two adjacent outer jackets and the trigger deformation layer, vertical annular groove department is glued and is had the frost-resistant sealed glue, the outer jacket side is the non-closed curved surface, and form horizontal rectangle slot between non-closed department and the trigger deformation layer, horizontal rectangle slot department is glued and is had the frost-resistant sealed glue equally, the installer of being convenient for unpacks the outer jacket apart as required along vertical annular groove and horizontal rectangle slot, heat the intensification and handle trigger the deformation layer, make it take place to deform.
(9) The antifreeze sealant comprises an aerogel composite material and polyfluorinated ethylene propylene, has good antifreeze flame-retardant effect, is not easy to shrink due to cold, is not easy to burn, has a silicon carbide composite coating coated on the surface of the antifreeze sealant, has good scratch-resistant performance, and is favorable for protecting the antifreeze sealant.
Drawings
FIG. 1 is a schematic diagram showing a comparative structure before and after deformation of a coaxial cable according to the present invention;
FIG. 2 is a partial perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the structure at C in FIG. 3;
FIG. 5 is a schematic diagram of the structure of the outer sheath of the present invention;
fig. 6 is a schematic structural view of the coaxial cable according to the present invention in an installed state.
The reference numbers in the figures illustrate:
1 trigger deformation insulating protective sleeve, 101 outer protective layer, 1011 longitudinal annular groove, 1012 transverse rectangular groove, 102 inner insulating layer, 103 shielding layer, 104 outer insulating layer, 105 trigger deformation layer, 2 central conductor and 3 coaxial conductor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 2, a self-fixing coaxial cable dedicated for carrier communication includes a triggering deformation insulation protection sleeve 1, a central conductor 2 and a plurality of coaxial conductors 3, wherein the triggering deformation insulation protection sleeve 1 is wrapped outside the central conductor 2, and the plurality of coaxial conductors 3 are uniformly arranged between the triggering deformation insulation protection sleeve 1 and the central conductor 2;
referring to fig. 3 and 4, the triggered deformable insulating protective sleeve 1 sequentially includes an inner insulating layer 102, a shielding layer 103, an outer insulating layer 104, a triggered deformable layer 105 and an outer protective layer 101 from inside to outside, the outer protective layer is set to be a "rigid layer", and an installer can perform flexible treatment on the outer protective layer as required to adapt to an actual installation environment and fix the coaxial cable by using the "rigidity" of the outer protective layer again, referring to fig. 6, so that the coaxial cable is well attached to a wall in the actual installation environment, the self-fixing effect of the coaxial cable is realized, the friction damage probability between the coaxial cable and the wall is greatly reduced, a safety guarantee is provided for the operation of the weak current intelligent system, and the stable operation of the whole weak current intelligent system is further maintained.
The trigger deformation layer 105 is made of memory alloy materials, the thickness of the trigger deformation layer 105 is 1-1.5mm, the characteristic that the trigger deformation layer 105 can completely eliminate deformation at a lower temperature after being heated and recover the original shape before the deformation is carried out is utilized, when the coaxial cable is installed, the trigger deformation layer 105 can be heated and deformed according to the actual installation environment, the heating temperature is controlled to enable the deformation of the trigger deformation layer 105 to reach the required shape, and therefore the coaxial cable is fixed through the rigidity of the coaxial cable, and the self-fixing effect of the coaxial cable is achieved.
The inner insulating layer 102 and the outer insulating layer 104 are both made of polyolefin insulating flame-retardant materials, the thickness of the inner insulating layer 102 is 0.8-1mm, the thickness of the outer insulating layer 104 is 1-1.8mm, the fireproof performance of the insulating layers is enhanced, and the insulating layers are not easy to burn.
The manufacturing material of the outer insulating layer 104 is also mixed with ten percent of aerogel composite material, so that the anti-freezing effect is good, and the good insulating property of the outer insulating layer can be ensured.
The shielding layers 103 are two layers, the two layers 103 are all woven by high-performance shielding wires with the thickness of 0.5-0.8mm to form a net shape, the two layers 103 are overlapped in a non-overlapping mode, the shielding performance of the two layers 103 can be effectively enhanced, the toughness is good, and the coaxial cable is not easy to damage due to stretching.
The shielding layer 103 is filled with shielding sealant, so that the shielding performance is enhanced and the toughness is improved.
Vacuum is pumped among the outer protective layer 101, the inner insulating layer 102, the shielding layer 103, the outer insulating layer 104 and the trigger deformation layer 105, the sealing performance inside the coaxial cable can be guaranteed under the vacuum environment, various performances of the internal multilayer wrapping layer are maintained, the integrity of the coaxial cable is protected better, and the breakdown of a weak current intelligent system caused by internal damage is avoided.
Referring to fig. 5, a plurality of outer sheaths 101 are provided, each outer sheath 101 has a length of 20-30mm, a longitudinal annular groove 1011 is formed between two adjacent outer sheaths 101 and the trigger deformable layer 105, the anti-freezing sealant is glued at the position of the longitudinal annular groove 1011, the side surface of each outer sheath 101 is a non-closed curved surface, a transverse rectangular groove 1012 is formed between the non-closed position and the trigger deformable layer 105, the anti-freezing sealant is glued at the position of the transverse rectangular groove 1012, so that an installer can detach the outer sheaths 101 along the longitudinal annular groove 1011 and the transverse rectangular groove 1012 as required, heat the trigger deformable layer 105 to deform the trigger deformable layer, detach the outer sheaths 101 by cutting the anti-freezing sealant at the positions of the longitudinal annular grooves 1011 on both sides of one outer sheath 101 with a suitable cutting tool, and then cut the anti-freezing sealant at the positions of the transverse rectangular grooves 1012 on the outer sheath 101, at this time, the triggering deformable layer 105 is exposed to the outside, a suitable heating tool can be used to heat the surface of the triggering deformable layer 105 directly contacting with the outside, and the temperature of the heating tool is controlled to make the deformation of the triggering deformable layer 105 reach a desired shape, please refer to fig. 1, where B in fig. 1 is the shape of the deformed coaxial cable, so that the coaxial cable is fixed by its "rigidity", and the self-fixing effect is achieved.
The antifreeze sealant comprises an aerogel composite material and polyfluorinated ethylene propylene, has good antifreeze flame-retardant effect, is not easy to shrink due to cold, is not easy to burn, has a silicon carbide composite coating coated on the surface of the antifreeze sealant, has good scratch-resistant performance, and is favorable for protecting the antifreeze sealant.
Compared with the defect that the coaxial cable is easy to damage due to friction between the coaxial cable and the wall surface in the prior art, the invention sets the external protective layer as a 'rigid layer', an installer can heat the trigger deformation layer 105 according to the actual installation environment to heat the trigger deformation layer to deform the trigger deformation layer, carry out 'flexible treatment' on the trigger deformation layer, control the temperature rise to enable the deformation of the trigger deformation layer 105 to reach the required shape, and fix the coaxial cable by utilizing the 'rigidity' of the trigger deformation layer again, so that the coaxial cable is well attached to the wall surface in the actual installation environment, the self-fixing effect of the coaxial cable is realized, the friction damage probability between the coaxial cable and the wall surface is greatly reduced, a safety guarantee is provided for the operation of the weak current intelligent system, and the stable operation of the whole weak current intelligent system.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a special self-fixing type coaxial cable of carrier communication, warp insulating protective sheath (1), center conductor (2) and a plurality of coaxial conductor (3) including triggering nature, triggering nature warp insulating protective sheath (1) wraps up in the center conductor (2) outside, and is a plurality of coaxial conductor (3) are evenly arranged between triggering nature warp insulating protective sheath (1) and center conductor (2), its characterized in that: the triggering deformation insulating protective sleeve (1) sequentially comprises an inner insulating layer (102), a shielding layer (103), an outer insulating layer (104), a triggering deformation layer (105) and an outer protective layer (101) from inside to outside.
2. The self-anchoring coaxial cable for carrier communication according to claim 1, wherein: the trigger deformation layer (105) is made of a memory alloy material, and the thickness of the trigger deformation layer (105) is 1-1.5 mm.
3. The self-anchoring coaxial cable for carrier communication according to claim 1, wherein: the inner insulating layer (102) and the outer insulating layer (104) are both made of polyolefin insulating flame-retardant materials, the thickness of the inner insulating layer (102) is 0.8-1mm, and the thickness of the outer insulating layer (104) is 1-1.8 mm.
4. The self-anchoring coaxial cable for carrier communication according to claim 3, wherein: the outer insulating layer (104) is made of materials which are also mixed with ten percent of aerogel composite materials.
5. The self-anchoring coaxial cable for carrier communication according to claim 1, wherein: the shielding layer (103) is two-layer, the shielding layer (103) is weaved into a net shape by adopting 0.5-0.8mm high-performance shielding wires, and the two shielding layers (103) are overlapped in a non-overlapping way.
6. The self-anchoring coaxial cable for carrier communication according to claim 5, wherein: and shielding sealant is filled in the shielding layer (103).
7. The self-anchoring coaxial cable for carrier communication according to claim 1, wherein: and vacuum is pumped among the outer protective layer (101), the inner insulating layer (102), the shielding layer (103), the outer insulating layer (104) and the trigger deformation layer (105).
8. The self-anchoring coaxial cable for carrier communication according to claim 1, wherein: the utility model discloses a flexible cable protective cover, including outer jacket (101), trigger deformation layer (105), outer jacket (101) are a plurality of, and every outer jacket (101) length is 20-30mm, adjacent two form vertical annular groove (1011) between outer jacket (101) and the trigger deformation layer (105), vertical annular groove (1011) department is glued there is the frost-resistant sealed glue.
9. The self-anchoring coaxial cable for carrier communication according to claim 8, wherein: the side face of the outer protective layer (101) is a non-closed curved surface, a transverse rectangular groove (1012) is formed between the non-closed position and the triggering deformation layer (105), and anti-freezing sealant is also glued at the transverse rectangular groove (1012).
10. The self-anchoring coaxial cable for carrier communication according to claim 8 or 9, wherein: the antifreeze sealant comprises an aerogel composite material and polyfluorinated ethylene propylene, and a silicon carbide composite coating is coated on the surface of the antifreeze sealant.
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| CN201911139829.9A CN110838388A (en) | 2019-11-20 | 2019-11-20 | Special self-fixing coaxial cable for carrier communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599529A (en) * | 2020-05-20 | 2020-08-28 | 深圳市速联技术有限公司 | Coaxial line structure and production process thereof |
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| CN110246615A (en) * | 2019-06-21 | 2019-09-17 | 王元忠 | A kind of high-strength impact-resistant fire retardant insulating cable |
| CN110428928A (en) * | 2019-08-08 | 2019-11-08 | 杭州欣禾工程管理咨询有限公司 | A kind of cable installation and its application method convenient for video monitoring line layout |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111599529A (en) * | 2020-05-20 | 2020-08-28 | 深圳市速联技术有限公司 | Coaxial line structure and production process thereof |
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