CN207517835U - A kind of low damage smooth aluminum coaxial cable - Google Patents
A kind of low damage smooth aluminum coaxial cable Download PDFInfo
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- CN207517835U CN207517835U CN201721163189.1U CN201721163189U CN207517835U CN 207517835 U CN207517835 U CN 207517835U CN 201721163189 U CN201721163189 U CN 201721163189U CN 207517835 U CN207517835 U CN 207517835U
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- insulating layer
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- coaxial cable
- outer conductor
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Abstract
The low damage smooth aluminum coaxial cable of one kind of the utility model, it is characterised in that：Include inner wire, insulating layer, outer conductor and outer jacket, inner wire uses composite metal wire, inner wire includes center aluminium core conducting wire and the copper-clad coating being coated on the outside of aluminium core conducting wire, insulating layer is set on the outside of inner wire, outer conductor is set on the outside of insulating layer, outer jacket is set on the outside of outer conductor, and outer conductor is aluminum pipe.The utility model reduces the costs such as production, transport, installation.The electric property of normal feeder line can be met, while can guarantee compared with mechanical performance, the energy conservation and environmental protection under small-bend radius.
Description
Technical field
The utility model is related to a kind of coaxial cable, particularly a kind of low damage smooth aluminum coaxial cable.
Background technology
Coaxial cable divides from purposes can be divided into base band coaxial cable and BBC(broadband coaxial cable)（Network coaxial cable and regard
High frequency coaxial cable）.Coaxial cable is divided to 50 Ω base band cables and 75 Ω broadband cables two classes.Base band cable is divided into thin coaxial cable
And thick coaxial cable.Base band cable is used only for Digital Transmission, and data transfer rate is up to 10Mbps.
Coaxial cable (Coaxial Cable) refers to there are two concentric conductor, and conductor and shielded layer share same axis
The cable of the heart.Most common coaxial cable is made of the copper conductors that insulating materials is isolated, and is in the outside of inner layer insulating materials
Another layer of ring shaped conductor and its insulator, then entire cable encased by the sheath of polyvinyl chloride or teflon material.
With 4G accelerated developments, 5G prepares commercialization, and new round movement feeder line is further expanded, the dosage consumption of copper material
Very big world's copper resource in addition is just tending to be nervous and of high cost, develops the feeder line that a kind of inexpensive feeder line is suitable for high speed development
It is required that the costs such as production, transport, installation can be reduced again simultaneously.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of low damage smooth aluminum coaxial cables, reduce cost.
In order to solve the above technical problems, technical solution is used by the utility model：
A kind of low damage smooth aluminum coaxial cable, it is characterised in that：It is interior comprising inner wire, insulating layer, outer conductor and outer jacket
Conductor uses composite metal wire, and inner wire includes center aluminium core conducting wire and the copper-clad coating being coated on the outside of aluminium core conducting wire, insulation
Layer is set on the outside of inner wire, and outer conductor is set on the outside of insulating layer, and outer jacket is set on the outside of outer conductor, and outer conductor is aluminium
Pipe.
Further, the insulating layer is bonded insulating layer for physical blowing polyethylene.
Further, the physical blowing polyethylene bonding insulating layer is made of endodermis, physical blowing layer and exodermis,
Endodermis is low density polyethylene (LDPE), and physical blowing layer is high density and low density polyethylene (LDPE) mixture, and exodermis is with bonding
The low dielectric strength gluing polyethylene of power.
Further, the outer conductor is set in using aluminium strip welding fabrication and drawing on the outside of insulating layer, outer conductor bonding
In insulating layer outer surface.
Further, the outer jacket is outer protective polyethylene layer.
The utility model compared with prior art, has the following advantages and effect：The low damage smooth aluminum of the utility model is same
Shaft cable reduces the costs such as production, transport, installation.Can meet the electric property of normal feeder line, at the same with can guarantee compared with
Mechanical performance, energy conservation and environmental protection under small-bend radius.
Description of the drawings
Fig. 1 is a kind of schematic diagram of low damage smooth aluminum coaxial cable of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings and pass through embodiment the utility model is described in further detail, following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
As shown in the figure, the low damage smooth aluminum coaxial cable of one kind of the utility model, comprising inner wire 1, insulating layer 2, leads outside
Body 3 and outer jacket 4, inner wire 1 use composite metal wire, and inner wire 1 includes center aluminium core conducting wire and is coated on outside aluminium core conducting wire
The copper-clad coating of side, insulating layer 2 are set in 1 outside of inner wire, and outer conductor 3 is set in 2 outside of insulating layer, and outer jacket 4 is set in
3 outside of outer conductor, outer conductor 3 are aluminum pipe.
Insulating layer 2 is bonded insulating layer for physical blowing polyethylene.Physical blowing polyethylene is bonded insulating layer by endodermis, object
Haircut alveolar layer and exodermis are formed, and endodermis is low density polyethylene (LDPE), and low density polyethylene (LDPE) mixture glue is extruded in outside inner wire 1
Side, physical blowing layer is high density and low density polyethylene (LDPE) mixture, by the high density polyethylene blend of proper ratio, low
Density polyethylene blend and nucleating agent mixing form and reach the characteristics such as the pliability of needs.Exodermis is with certain bonding
The low dielectric strength gluing polyethylene of power.Outer conductor 3 is set in 2 outside of insulating layer using aluminium strip welding fabrication and drawing, leads outside
Body 3 is bonded in insulating layer outer surface.Outer jacket 4 is outer protective polyethylene layer.
The low damage smooth aluminum coaxial cable production method of the utility model is：
1st, copper clad aluminum inner wire reaches required diameter after coalignment draw-off gear is straightened drawing, equably squeezes successively
Endodermis processed, physical blowing layer, exodermis, while to ensure that the exodermis extruded has certain bond degree；
2nd, the protection welding of argon helium gas is carried out through shaping mould using after certain thickness aluminium strip fine cut, aluminium layer is made after drawing
It is bonded in completely with foaming layer and is conducive to the upper disk of cable bend winding together；
3rd, the cable core after welding drawing in draw is at the uniform velocity sintered using sintering equipment while equably extrudes one layer
Outer protective polyethylene layer is completed after sink cools down.
The low damage smooth aluminum coaxial cable of the utility model is according to the inner wire size that design is required to meet the requirements；To insulation
Layer structure is adjusted, it is ensured that dielectric loss is relatively low, while exodermis need to use the high density material with certain bond degree；It adopts
Outer conductor aluminium layer is made preferably to be bonded guarantee bending with insulating layer with welding drawing process；Make insulating layer more preferable using aluminium layer sintering
Engagement, while realize the combination of sheath and aluminium layer under the action of heat, make cable bend unaffected, realized by this technique
1/2 " low damage smooth aluminum coaxial cable its bending radius can be less than common 1/2 " coaxial cable, electric property is also better than
Common 1/2 " coaxial cable.
Described in this specification above content is only to the utility model example explanation.The utility model
Person of ordinary skill in the field can do described specific embodiment various modifications or supplement or use similar side
Formula substitutes, and content without departing from the utility model specification or surmounts range defined in the claims, should all
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of low damage smooth aluminum coaxial cable, it is characterised in that：Comprising inner wire, insulating layer, outer conductor and outer jacket, inside lead
Body uses composite metal wire, and inner wire includes center aluminium core conducting wire and the copper-clad coating being coated on the outside of aluminium core conducting wire, insulating layer
It is set on the outside of inner wire, outer conductor is set on the outside of insulating layer, and outer jacket is set on the outside of outer conductor, and outer conductor is aluminum pipe.
2. one kind described in accordance with the claim 1 is low to damage smooth aluminum coaxial cable, it is characterised in that：The insulating layer is sent out for physics
Steep polyethylene bonding insulating layer.
3. one kind described in accordance with the claim 2 is low to damage smooth aluminum coaxial cable, it is characterised in that：The physical blowing polyethylene
Bonding insulating layer is made of endodermis, physical blowing layer and exodermis, and endodermis is low density polyethylene (LDPE), and physical blowing layer is height
Density and low density polyethylene (LDPE) mixture, exodermis are the low dielectric strength gluing polyethylene with cohesive force.
4. one kind described in accordance with the claim 1 is low to damage smooth aluminum coaxial cable, it is characterised in that：The outer conductor uses aluminium strip
Welding fabrication and drawing are set on the outside of insulating layer, and outer conductor is bonded in insulating layer outer surface.
5. one kind described in accordance with the claim 1 is low to damage smooth aluminum coaxial cable, it is characterised in that：The outer jacket is polyethylene
Outer jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163189.1U CN207517835U (en) | 2017-09-12 | 2017-09-12 | A kind of low damage smooth aluminum coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163189.1U CN207517835U (en) | 2017-09-12 | 2017-09-12 | A kind of low damage smooth aluminum coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517835U true CN207517835U (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721163189.1U Active CN207517835U (en) | 2017-09-12 | 2017-09-12 | A kind of low damage smooth aluminum coaxial cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN207517835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927849A (en) * | 2021-01-25 | 2021-06-08 | 浙江德通科技有限公司 | Flexible low-attenuation smooth aluminum flame-retardant coaxial cable for communication |
-
2017
- 2017-09-12 CN CN201721163189.1U patent/CN207517835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927849A (en) * | 2021-01-25 | 2021-06-08 | 浙江德通科技有限公司 | Flexible low-attenuation smooth aluminum flame-retardant coaxial cable for communication |
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