CN214588189U - High-performance aluminum tube coaxial cable - Google Patents
High-performance aluminum tube coaxial cable Download PDFInfo
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- CN214588189U CN214588189U CN202121009892.3U CN202121009892U CN214588189U CN 214588189 U CN214588189 U CN 214588189U CN 202121009892 U CN202121009892 U CN 202121009892U CN 214588189 U CN214588189 U CN 214588189U
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- layer
- wall
- insulating layer
- coaxial cable
- aluminum pipe
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000004677 Nylon Substances 0.000 claims abstract description 13
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 36
- 229910052802 copper Inorganic materials 0.000 claims description 35
- 239000010949 copper Substances 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a belong to coaxial cable technical field, specifically be a high performance aluminum pipe coaxial cable, including lag, outer guide layer and interior guide layer, interior guide layer closely bonds in an organic whole with outer guide layer and lag in proper order, outer guide layer includes zinc-plated woven metal mesh, zinc-plated woven metal mesh inner wall is equipped with insulating layer one, insulating layer inner wall is equipped with the aluminum pipe outer conductor, aluminum pipe outer conductor inner wall is equipped with insulating layer two, the aluminum pipe outer conductor is indulged the package overlap joint on insulating layer two surfaces for the compound area of aluminium plastics, the beneficial effects of the utility model are that: the adhesion layer, the cord layer, the nylon belt layer and the wear-resistant layer are sequentially and tightly bonded into a whole from inside to outside, so that the damage resistance is improved, the metal layer and one end part of the resin layer in the width direction are folded and wound in a mode of overlapping the folded parts, the overlapped parts are in mutual electric contact with the grounding wire, and the problem that the shielding layer is damaged to enable information to be incapable of being effectively transmitted when a cable is damaged is solved.
Description
Technical Field
The utility model relates to a coaxial cable technical field, concretely relates to high performance aluminum pipe coaxial cable.
Background
Along with the development planning and layout beautification of the urban three-dimensional construction, in order to reduce the construction of the information network system frame rods of the ground space, the underground space is fully utilized to construct the unified facility of the public facility composite trunk line network, and the node at the intersection is a large-scale multi-layer underground building. The main line of the information network system as a composite main line network also needs to be wired from an underground pipe network, so that a high-performance aluminum pipe coaxial cable is produced.
The prior art has the following defects: the existing coaxial cable is laid under the condition of underground severe environment, is easily affected by damage, deformation and the like, causes the problems of product quality reduction, internal shielding layer damage and the like, and causes the generation of a magnetic field around the current, and internal elements are affected to ensure that information cannot be effectively transmitted.
Therefore, the invention is necessary to develop a high-performance aluminum tube coaxial cable.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a high performance aluminum pipe coaxial cable through from inside to outside in proper order by adhesion layer, cord layer, nylon belt layer and wearing layer closely bond in an organic whole, when improving resistant impairedness, retrace a metal level and a resin layer width direction's a tip and lap around with the mode of the part overlap that should retrace, make overlap portion and earth connection mutual electrical contact to thereby the problem that the shielding layer destroys messenger information can't effective transmission when solving the cable and receiving the damage.
In order to achieve the above object, the present invention provides the following technical solutions: a high-performance aluminum pipe coaxial cable comprises a protective sleeve, an outer guide layer and an inner guide layer, wherein the inner guide layer is sequentially and tightly bonded with the outer guide layer and the protective sleeve into a whole;
the inner conducting layer is bonded on the inner wall of the second insulating layer and comprises a soft copper strip, a shielding layer is arranged on the outer wall of the soft copper strip and comprises a resin layer, the resin layer is spirally wound on the outer wall of the soft copper strip, a metal layer is arranged on the outer wall of the resin layer, the metal layer is spirally wound on the outer wall of the resin layer, and a heat insulation layer is bonded at the joint of the second insulating layer and the shielding layer.
Preferably, the resin layer and the metal layer have the same width and the same winding direction.
Preferably, a ground wire is spirally wound at a joint of the resin layer and the metal layer.
Preferably, the inner wall of the soft copper belt is provided with a copper conductor, the outer wall of the copper conductor is wrapped with an inner semiconductor shielding layer, the outer wall of the inner semiconductor shielding layer is wrapped with a third insulating layer, and the outer wall of the third insulating layer is wrapped with an outer semiconductor shielding layer.
Preferably, a foamed polyethylene layer is filled between the outer semiconductor shielding layer and the soft copper strip.
Preferably, the protective sleeve comprises a wear-resistant layer, a nylon belted layer, a cord layer and an adhesion layer, the protective sleeve is sequentially and tightly bonded into a whole by the adhesion layer, the cord layer, the nylon belted layer and the wear-resistant layer from inside to outside, and the inner wall of the adhesion layer is tightly bonded on the surface of the galvanized metal woven net.
The utility model has the advantages that:
1. the metal layer and one end part of the resin layer in the width direction are folded back and are wound in an overlapping mode in a mode that the folded back part is overlapped, so that the overlapped part and the grounding wire are in electric contact with each other, the electromagnetic interference characteristic of the shielding performance is improved, and the stability effect of performance transmission is improved;
2. the coaxial cable can be buried underground directly, the outer conductor of the aluminum pipe is longitudinally wrapped and lapped by the aluminum plastic composite belt, the structure has better shielding effect, cable trenches are not needed to be installed, cable wells are not needed to be built, and the effect of saving installation cost is achieved;
3. the protective sleeve is sequentially and closely bonded with the wear-resistant layer from inside to outside through the adhesion layer, the cord layer, the nylon belt layer and the wear-resistant layer, so that the coaxial cable is protected from being damaged by external machinery, extrusion, rat bite and impact are prevented, the buffer of the bending deformation of the outer conductor is facilitated, and the cable protective sleeve has a cable protective effect.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic cross-sectional view of the inner guide layer according to the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the shielding layer of the present invention.
In the figure: the protective sleeve comprises a protective sleeve 100, a wear-resistant layer 110, a nylon belt layer 120, a cord layer 130, an adhesion layer 140, an outer conducting layer 200, a galvanized metal woven mesh 210, a first insulating layer 220, an aluminum pipe outer conductor 230, a second insulating layer 240, a heat insulation layer 250, an inner conducting layer 300, a shielding layer 310, a metal layer 311, a resin layer 312, a grounding wire 320, a soft copper strip 330, a foamed polyethylene layer 340, an outer semiconductor shielding layer 350, a third insulating layer 360, an inner semiconductor shielding layer 370 and a copper conductor 380.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-3, the utility model provides a high performance aluminum pipe coaxial cable, including lag 100, outer conducting layer 200 and interior conducting layer 300, interior conducting layer 300 closely bonds in an organic whole with outer conducting layer 200 and lag 100 in proper order, concretely, outer conducting layer 200 includes galvanized metal mesh grid 210, galvanized metal mesh grid 210 inner wall is equipped with insulating layer 220, insulating layer 220 inner wall is equipped with aluminum pipe outer conductor 230, aluminum pipe outer conductor 230 inner wall is equipped with insulating layer 240, aluminum pipe outer conductor 230 is aluminium plastic composite strip and indulges the overlap joint on insulating layer 240 surface, galvanized metal mesh grid 210 sets up to galvanized copper wire shielding mesh grid, weave with the oblique package similar, have the shielding effect, improve the dry flexibility defense degree of cable, prevent the influence of external electric field and magnetic field weaving, galvanized metal grid 210 has shielding nondirectionality, the good and shielding characteristic unchangeable effect when crooked of high frequency shielding characteristic, the first insulating layer 220 has an insulating effect on the aluminum pipe outer conductor 230 and the galvanized metal mesh grid 210, the aluminum pipe outer conductor 230 is longitudinally wrapped and lapped by an aluminum plastic composite tape, the structure has a good shielding effect and is low in manufacturing cost, and the second insulating layer 240 has an insulating effect on the aluminum pipe outer conductor 230;
the inner conducting layer 300 is adhered to the inner wall of the second insulating layer 240, the inner conducting layer 300 comprises a soft copper strip 330, a shielding layer 310 is arranged on the outer wall of the soft copper strip 330, the shielding layer 310 comprises a resin layer 312, the resin layer 312 is spirally wound on the outer wall of the soft copper strip 330, a metal layer 311 is arranged on the outer wall of the resin layer 312, the metal layer 311 is spirally wound on the outer wall of the resin layer 312, a heat insulating layer 250 is adhered to the joint of the second insulating layer 240 and the shielding layer 310, the second insulating layer 240 has insulating and protecting effects on the inner conducting layer 300 and prevents voltage from interfering with outside facilities and signals, the soft copper strip 330 has the effects of isolating electromagnetic field interference and increasing the supporting force of the inner conducting layer 300, the metal layer 311 is made of aluminum alloy, the cable can be lightened and has the effect of reducing cost, the resin layer 312 has the effect of separating the metal layer 311, has the effect of reducing resistance and further improving the shielding performance of the shielded cable, and the soft copper strip 330 has the supporting effect on the shielding layer 310, the heat-insulating layer 250 has a heat-insulating effect and meets the construction requirements under the special environments;
further, the resin layer 312 and the metal layer 311 have the same width and the same winding direction, specifically, the resin layer 312 and the metal layer 311 overlap each other due to spiral winding to form a step gap, and the ground line 320 has a function of filling the step gap;
further, the ground wire 320 is spirally wound at the joint of the resin layer 312 and the metal layer 311, specifically, the ground wire 320 ensures the stability of performance transmission and is not influenced by external connection, the ground wire 320 is formed by twisting a plurality of strands of 0.15mm tinned copper wires, the wire breakage can be inhibited, the flexibility of the ground wire 320 is improved, current leakage or static electricity is generated in a cable, the leaked electrons can flow into a ground net through the ground wire 320, the interference current is effectively guided into the ground, and the effects of safety protection and shielding are achieved;
further, the inner wall of the soft copper strip 330 is provided with a copper conductor 380, the outer wall of the copper conductor 380 is wrapped with an inner semiconductor shielding layer 370, the outer wall of the inner semiconductor shielding layer 370 is wrapped with an insulating layer three 360, the outer wall of the insulating layer three 360 is wrapped with an outer semiconductor shielding layer 350, specifically, the copper conductor 380 is formed by a solid copper conductor and has an electric transmission effect, the outer semiconductor shielding layer 350 and the inner semiconductor shielding layer 370 are uniformly wrapped with the insulating layer three 360 to ensure that the insulating layer three 360 is in good contact with the copper conductor 380, the conductor surface electromagnetic field intensity caused by the unsmooth surface of the copper conductor 380 is eliminated, so that the local discharge between the conductor and the insulating layer is avoided, and the outer semiconductor shielding layer 420 and the inner semiconductor shielding layer 440 are formed by copper strips or braided copper strips;
further, a foamed polyethylene layer 340 is filled between the outer semiconductor shielding layer 350 and the soft copper strip 330, specifically, the foamed polyethylene layer 340 has the functions of insulation and shock resistance and impact dispersion, and the foamed polyethylene layer 340 is made of ultra-high foamed polyethylene with the foaming degree of about 80%, so that the attenuation is low, the temperature coefficient is small, and the stability to temperature change is good;
further, the protective cover 100 comprises a wear-resistant layer 110, a nylon belt layer 120, a cord layer 130 and an adhesion layer 140, the protective cover 100 is tightly bonded with the adhesion layer 140, the cord layer 130, the nylon belt layer 120 and the wear-resistant layer 110 from inside to outside in sequence, the inner wall of the adhesion layer 140 is tightly bonded with the surface of the galvanized metal woven mesh 210, specifically, the nylon belt layer 120 mainly plays a role of tightening the protective cover 100 except playing a role of alleviating impact, the protective cover 100 is a main stressed component, high-strength, high-modulus and small-angle arranged cords are adopted as a reinforcing material and covered with a high-constant-elongation and high-hardness rubber material, the nylon belt layer 120 plays a supporting role for the wear-resistant layer 110 when being dragged by external force, the cord layer 130 is used as a protective cover 100 framework material and is made of fine textile fibers bonded on rubber and used for bearing acting forces from the inside and the outside of the cable, the strength of the cable is improved, the deformation of the cable is limited, the size is kept stable, the cable has the characteristic of good elasticity, and the adhesion layer 140 has the function of tightly bonding the galvanized metal woven mesh 210 together.
The utility model discloses a use as follows: in using the utility model discloses the time of this field staff need set up outer semiconductor shield 350 in the soft copper strips 330, insulating layer three 360, interior semiconductor shield 370 and copper conductor 380, fill it through the about 80% ultra-high foam polyethylene of foaming degree, later become the heliciform with metal level 311 and resin layer 312 and convolute on soft copper strips 330 surface, parcel heat preservation 250, adopt aluminium plastic composite strip to indulge the overlap joint on insulating layer two 240 surfaces with aluminium pipe outer conductor 230, aluminium pipe outer conductor 230 surface parcel insulating layer one 220, bond insulating layer two 240 inner walls on the heat preservation 250 surface, later with insulating layer one 220 surface winding zinc-plated metal mesh grid 210, connect lag 100 through adhesion layer 140, from inside to outside in proper order by adhesion layer 140, cord layer 130, nylon belted layer 120 and wearing layer 110 closely hot melt bond in an organic whole.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A high performance aluminum tube coaxial cable comprising a protective jacket (100), an outer conductive layer (200) and an inner conductive layer (300), characterized in that: the inner conducting layer (300) is sequentially and tightly bonded with the outer conducting layer (200) and the protective sleeve (100) into a whole, the outer conducting layer (200) comprises a galvanized metal woven mesh (210), a first insulating layer (220) is arranged on the inner wall of the galvanized metal woven mesh (210), an aluminum pipe outer conductor (230) is arranged on the inner wall of the first insulating layer (220), a second insulating layer (240) is arranged on the inner wall of the aluminum pipe outer conductor (230), and the aluminum pipe outer conductor (230) is longitudinally wrapped and lapped on the surface of the second insulating layer (240) by an aluminum plastic composite belt;
interior conducting layer (300) bonds at insulating layer two (240) inner wall, interior conducting layer (300) includes soft copper strips (330), soft copper strips (330) outer wall is equipped with shielding layer (310), shielding layer (310) include resin layer (312), resin layer (312) become the heliciform and convolute at soft copper strips (330) outer wall, resin layer (312) outer wall is equipped with metal level (311), metal level (311) become the heliciform and convolute at resin layer (312) outer wall, insulating layer two (240) and shielding layer (310) junction bond and have heat preservation (250).
2. The high performance aluminum tube coaxial cable as recited in claim 1, wherein: the resin layer (312) and the metal layer (311) have the same width and the same winding direction.
3. The high performance aluminum tube coaxial cable as recited in claim 1, wherein: and a grounding wire (320) is spirally wound at the joint of the resin layer (312) and the metal layer (311).
4. The high performance aluminum tube coaxial cable as recited in claim 1, wherein: the inner wall of the soft copper strip (330) is provided with a copper conductor (380), the outer wall of the copper conductor (380) is wrapped with an inner semiconductor shielding layer (370), the outer wall of the inner semiconductor shielding layer (370) is wrapped with an insulating layer III (360), and the outer wall of the insulating layer III (360) is wrapped with an outer semiconductor shielding layer (350).
5. The high performance aluminum tube coaxial cable as recited in claim 4, wherein: and a foamed polyethylene layer (340) is filled between the outer semiconductor shielding layer (350) and the soft copper strip (330).
6. The high performance aluminum tube coaxial cable as recited in claim 1, wherein: the protective sleeve (100) comprises a wear-resistant layer (110), a nylon belt layer (120), a cord layer (130) and an adhesion layer (140), the protective sleeve (100) is tightly bonded with the adhesion layer (140), the cord layer (130), the nylon belt layer (120) and the wear-resistant layer (110) from inside to outside in sequence, and the inner wall of the adhesion layer (140) is tightly bonded on the surface of the galvanized woven metal mesh (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121009892.3U CN214588189U (en) | 2021-05-12 | 2021-05-12 | High-performance aluminum tube coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121009892.3U CN214588189U (en) | 2021-05-12 | 2021-05-12 | High-performance aluminum tube coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214588189U true CN214588189U (en) | 2021-11-02 |
Family
ID=78329392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121009892.3U Active CN214588189U (en) | 2021-05-12 | 2021-05-12 | High-performance aluminum tube coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214588189U (en) |
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2021
- 2021-05-12 CN CN202121009892.3U patent/CN214588189U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240320 Address after: No. 16, Unit 3, 15th Floor, Liuhang Village, Datong City, Shanxi Province, 037000 Patentee after: Pang Ersheng Country or region after: Zhong Guo Address before: 311300 Shangpan 556, Jinnan street, Lin'an District, Hangzhou City, Zhejiang Province (101, building 27) Patentee before: Hangzhou Aite Cable Co.,Ltd. Country or region before: Zhong Guo |