CN105374464A - Self-bearing watertight type coaxial cable - Google Patents
Self-bearing watertight type coaxial cable Download PDFInfo
- Publication number
- CN105374464A CN105374464A CN201510898385.2A CN201510898385A CN105374464A CN 105374464 A CN105374464 A CN 105374464A CN 201510898385 A CN201510898385 A CN 201510898385A CN 105374464 A CN105374464 A CN 105374464A
- Authority
- CN
- China
- Prior art keywords
- coaxial cable
- inner conductor
- type coaxial
- cable
- single line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1808—Construction of the conductors
- H01B11/1821—Co-axial cables with at least one wire-wound conductor
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
- H01B7/202—Longitudinal lapped metal tubes
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a self-bearing watertight type coaxial cable. The self-bearing watertight type coaxial cable comprises an inner conductor, an insulating layer, a buffer layer and an outer sheath from inner to outer; the inner conductor is formed by a bearing core positioned in the center of the inner conductor and a plurality of inner conductor conductive single lines through a twisting mode, wherein the inner conductor conductive single lines take the bearing core as the center of a circle and surround the inner conductor conductive single lines; a metal conductive tube is arranged between the insulating layer and the buffer layer; a metal compression-resistant tube is arranged between the buffer layer and the outer sheath; the outer sheath is further provided with a single line convex ridge; and the height of the single line convex ridge is not less than 0.5 mm and the width of the single line convex ridge is not less than 1 mm. The overall cable is in a full-symmetrical structure; copper wires and zinc plated steel wires have shielding functions; the inner conductor and the outer conductor are in the concentric position; the electromagnetic energy is defined in the medium between the inner conductor and the outer conductor for propagation, so that the cable is low in electromagnetic attenuation and good in shielding property; compared with the prior art, a new reinforcing structure is not added; and the cable is simple in structure, relatively small in the outer diameter, and convenient to lay.
Description
Technical field
The present invention relates to electric wire field, be specifically related to a kind of from carrying watertight type coaxial cable.
Background technology
The world today is the stepped into information epoch, information has become the strategic resource of economic development and unique production factors, to combine the present information transmission system and complete information service system set up with multimedia terminals such as telecommunications network, computer, videos, become the important symbol of a country economic development level.Coaxial cable is the important kind of one in information transmission, main be used as radio transmission or receiving equipment feeder and various communication, electronic equipment machine intraconnections or be interconnected line.Coaxial cable is made up of inner conductor layer, insulating barrier, outer conductor layer and restrictive coating, inner conductor layer and the usual cross section of outer conductor layer very little, from carrying poor performance, especially when cable uses under not buried operating mode, because load-carrying properties are poor, cable own wt can make cable conductor break, and is also easily damaging tiny cable conductor when constructing simultaneously.Prior art dish adopts bracing frame to support cable; coaxial cable is protected by the form increasing bracing frame; there is certain effect; but add laid down cost and time; in addition the load-carrying properties of cable own are poor, unavoidably can because accidentally operate the problem causing the core of cable to damage in work progress.
Chinese patent " ZL201520373236.X " discloses a kind of coaxial cable, its main contents are for increase reinforced layer outward at outer conductor, improve the tensile property of whole cable to a certain extent, in laid processes, due to cable will through unwinding and rewinding around operating mode, and cable at this operating mode lower stress centrostigma at the bosom of cable point, central point is protected, and inner wire tensile property is not resolved; Owing to adding one deck or a few Rotating fields in cable, add manufacturing procedure, reduce production efficiency, the weight of cable adds simultaneously, affects installation on the one hand, adds the pressure of inner wire in load bearing process on the other hand; And the compressive property of this cable is poor, moistureproof and sealing is poor, and shielding, watertightness are poorer.
Summary of the invention
In order to overcome the deficiencies in the prior art, providing a kind of and there is very strong carrying and compressive property certainly, moistureproof and good airproof performance, little, that shield effectiveness good, watertightness the is good close type coaxial cable of carrying water resistant certainly of decaying.
For achieving the above object, the invention discloses a kind of from carrying watertight type coaxial cable, comprise inner wire, insulating barrier, resilient coating and oversheath from inside to outside; Described inner wire is by being positioned at the load bearing core at its center and being that the center of circle some inner wires be centered around outside load bearing core conduct electricity that single line is stranded to be formed with load bearing core; Metal guide fulgurite is provided with between insulating barrier and resilient coating; Metal compression tube is provided with between resilient coating and oversheath; Described oversheath is also provided with single line convex ridge, and the height of single line convex ridge is not less than 0.5mm, and width is not less than 1mm.
Preferably, described load bearing core is zinc-coated wire.
Preferably, described inner wire conduction single line is annealing copper wire, annealing copper wire is the naked annealed copper conductor meeting GB/T3956-2008 commonly used of cable or metal cladding annealed copper conductor, comprise the conductor of the multiply hard circular copper wire composition of compacting pressing or the conductor of the soft circular copper wire composition of non-multiply of pressing, preferentially select the zinc-plated soft structure conductor of 5 class.
Preferably, described metal compression tube is the hard compression tube of wrapped or vertical bag, is specially embossing pipe.
Preferably, described insulating barrier is made up of low density polyethylene (LDPE), high density polyethylene (HDPE) or radiant crosslinked polyethylene material.
Preferably, described outer jacket is made up of polythene material.
Beneficial effect of the present invention is:
The present invention has very strong from load-carrying properties, the conductor center layer You Yigen center load bearing core of cable, and the stress point of inner wire concentrates in the load bearing core of center, and cable, in folding and unfolding winding process, protects inner wire annealing copper wire, and not frangibility; Metal guide fulgurite, metal compression tube mechanical strength is high, compressive property good, moistureproof and good airproof performance, and embossing can improve its bending property; Whole cable is full symmetrical configuration, and copper wire and zinc-coated wire have function of shielding, and inner and outer conductor is in concentric position, and electromagnetic energy is confined to propagate in the medium between internal and external conductor, and therefore have decay little, shielding properties is high; Compared with prior art do not increase new reinforcement structure, the construction of cable is simple, and the outside diameter of cable is less, conveniently lays.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
As shown in Figure 1, the invention provides a kind of from carrying watertight type coaxial cable, comprise inner wire, insulating barrier 3, resilient coating 5 and oversheath 7 from inside to outside; It is mainly, described inner wire is by being positioned at the load bearing core 1 at its center and being that the center of circle 6 inner wires be centered around outside load bearing core conduct electricity that single line 2 is stranded to be formed with load bearing core, but make the stress point of cable inner conductor concentrate in the load bearing core of center, cable is in folding and unfolding winding process, protect inner wire annealing copper wire, and not frangibility; Between insulating barrier 3 and resilient coating 5, be provided with metal guide fulgurite 4, be provided with metal compression tube 6 between resilient coating 5 and oversheath 7, such that cable machinery intensity is high, compressive property good, moistureproof and good airproof performance, embossing can improve the bending property of cable.Described oversheath is also provided with single line convex ridge 7, and the height of described single line convex ridge 7 is not less than 0.5mm, and width is not less than 1mm, for the identification of cable.
The above is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, and these also should be considered as belonging to protection scope of the present invention.
Claims (6)
1., from a carrying watertight type coaxial cable, comprise inner wire, insulating barrier (3), resilient coating (5) and oversheath (7) from inside to outside; It is characterized in that: described inner wire is by being positioned at the load bearing core (1) at its center and being that the center of circle some inner wires be centered around outside load bearing core conduct electricity that single line (2) is stranded to be formed with load bearing core; Metal guide fulgurite (4) is provided with between insulating barrier (3) and resilient coating (5); Metal compression tube (6) is provided with between resilient coating (5) and oversheath (7); Described oversheath (7) is also provided with single line convex ridge (8), and the height of single line convex ridge (8) is not less than 0.5mm, and width is not less than 1mm.
2. according to claim 1 from carrying watertight type coaxial cable, it is characterized in that: described load bearing core (1) is zinc-coated wire.
3. according to claim 1 from carrying watertight type coaxial cable, it is characterized in that: described inner wire conduction single line (2) is annealing copper wire.
4. according to claim 1 from carrying watertight type coaxial cable, it is characterized in that: the hard compression tube that described metal compression tube (6) is wrapped or vertical bag.
5. according to claim 1 from carrying watertight type coaxial cable, it is characterized in that: described insulating barrier (3) is made up of low density polyethylene (LDPE), high density polyethylene (HDPE) or radiant crosslinked polyethylene material.
6. according to claim 1 from carrying watertight type coaxial cable, it is characterized in that: described oversheath (7) is made up of polythene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898385.2A CN105374464A (en) | 2015-12-08 | 2015-12-08 | Self-bearing watertight type coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898385.2A CN105374464A (en) | 2015-12-08 | 2015-12-08 | Self-bearing watertight type coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105374464A true CN105374464A (en) | 2016-03-02 |
Family
ID=55376576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510898385.2A Pending CN105374464A (en) | 2015-12-08 | 2015-12-08 | Self-bearing watertight type coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105374464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931704A (en) * | 2016-06-30 | 2016-09-07 | 江苏珠影特种电缆有限公司 | Self-bearing and automatically-cooled flexible cable for coal mining machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270698A (en) * | 1997-08-14 | 2000-10-18 | 北卡罗来纳康姆斯科普公司 | Coaxial cable and method of making same |
| CN2674606Y (en) * | 2003-11-06 | 2005-01-26 | 国营扬州市曙光电缆厂 | Photoelectric composite measuring and controlling cable |
| JP2006511913A (en) * | 2002-12-20 | 2006-04-06 | コムスコープ インコーポレイテッド オブ ノース カロライナ | Method and apparatus for manufacturing coaxial cable having composite inner conductor |
| CN101377968A (en) * | 2008-07-22 | 2009-03-04 | 芜湖明远电线电缆有限责任公司 | Self-supporting type aerial insulated user's cable |
| CN201698796U (en) * | 2010-06-13 | 2011-01-05 | 浙江晨光电缆股份有限公司 | Bunched cable |
| CN205428587U (en) * | 2015-12-08 | 2016-08-03 | 无锡江南电缆有限公司 | From bearing weight of watertight type coaxial cable |
-
2015
- 2015-12-08 CN CN201510898385.2A patent/CN105374464A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270698A (en) * | 1997-08-14 | 2000-10-18 | 北卡罗来纳康姆斯科普公司 | Coaxial cable and method of making same |
| JP2006511913A (en) * | 2002-12-20 | 2006-04-06 | コムスコープ インコーポレイテッド オブ ノース カロライナ | Method and apparatus for manufacturing coaxial cable having composite inner conductor |
| CN2674606Y (en) * | 2003-11-06 | 2005-01-26 | 国营扬州市曙光电缆厂 | Photoelectric composite measuring and controlling cable |
| CN101377968A (en) * | 2008-07-22 | 2009-03-04 | 芜湖明远电线电缆有限责任公司 | Self-supporting type aerial insulated user's cable |
| CN201698796U (en) * | 2010-06-13 | 2011-01-05 | 浙江晨光电缆股份有限公司 | Bunched cable |
| CN205428587U (en) * | 2015-12-08 | 2016-08-03 | 无锡江南电缆有限公司 | From bearing weight of watertight type coaxial cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931704A (en) * | 2016-06-30 | 2016-09-07 | 江苏珠影特种电缆有限公司 | Self-bearing and automatically-cooled flexible cable for coal mining machine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160302 |
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| WD01 | Invention patent application deemed withdrawn after publication |