CN201965990U - Coaxial cable - Google Patents
Coaxial cable Download PDFInfo
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- CN201965990U CN201965990U CN201120003506XU CN201120003506U CN201965990U CN 201965990 U CN201965990 U CN 201965990U CN 201120003506X U CN201120003506X U CN 201120003506XU CN 201120003506 U CN201120003506 U CN 201120003506U CN 201965990 U CN201965990 U CN 201965990U
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Abstract
The utility model discloses a coaxial cable which comprises an inner conductor, an insulating layer, an outer conductor and sheath layer from the inside to the outside, wherein a wrinkled aluminum pipe is used as the outer conductor, and the wall thickness of the outer conductor is larger than or equal to 0.20mm. As for the coaxial cable provided by the utility model, over-soft structural design and aluminum outer conductor wrinkled light structural design are adopted, the cable has the advantages of softness, small bending radius, excellent performance and light weight, and is convenient in transportation and installation, and simultaneously a large amount of copper materials are saved, so that a light super-soft transmitting product with superior cost performance is provided for wireless mobile communication users.
Description
Technical field
The utility model relates to the mobile communication technology field, relates in particular to a kind of coaxial cable.
Background technology
In the prior art, coaxial cable generally is used for mobile communication system, for example connects mobile communication equipment and antenna, as burst at the seams feeder line and the machine room of ground-plane antenna communication and wireless telecommunications with feeder line and antenna connecting line, military data information transfer line etc.
Current mobile communication has become development field the most rapidly, continues to keep strong growth because the mobile subscriber increases rapid global mobile communication cause, and moving the popularity rate of service in the whole world constantly increases.Along with developing country moves the surging of the rising of popularity rate and user's request, Virtual network operators need be with the unprecedented construction of carrying out wireless network at a high speed, they can constantly seek new technology, become the manner on some market, and coming provides more excellent mobile service of cost performance and covering for the user.As one of important transmission part of mobile communication system, coaxial cable has very vast market prospect.
For satisfying the requirement of radio communication little with the loss of signal of backbone of big average power, radio communication is with the heavy in section cable of the common employing of backbone.The aluminum pipe outer conductor coaxial cable of traditional design adopts level and smooth wall aluminum pipe outer conductor structure or the vertical bag overlap joint of aluminium strip outer conductor structure, for electric cable with large cross-section, the cable bending property of this structural design is relatively poor, when less bending radius, the restrictive coating of cable or outer conductor have wrinkling or slight cracking phenomena, can not satisfy the actual requirement of laying.
Therefore, a kind of copper pipe wrinkled external conductor ultra-soft feed line has been proposed recently.But, though the electric property and the bendability of copper pipe wrinkled external conductor ultra-soft feed line have had raising, its cost costliness.The weight of the copper material of this coaxial cable has accounted for 50～60% of entire product weight.Therefore, very nervous in the copper material resource requirement in the whole world, under the situation that international copper valency fluctuates widely, seek desirable substitution material, develop novel lightweight coaxial electrical feeder shaft, promote product quality and technology competition ability, become the focus that coaxial feeder production firm pays close attention to.
The utility model content
At the above-mentioned problems in the prior art, the utility model provides a kind of coaxial cable.
Provide a kind of coaxial cable according to one side of the present utility model, this coaxial cable comprises inner wire, insulating barrier, outer conductor and restrictive coating from the inside to the outside, wherein, described outer conductor is the wrinkle tubular shape conductor of aluminum material, and the wall thickness of described outer conductor is more than or equal to 0.20mm.
According to the coaxial cable that provides on the other hand of the present utility model, the ratio of the pipe thickness of described outer conductor and described insulator external diameter is more than or equal to 1.15%.
According to the coaxial cable that provides on the other hand of the present utility model, the diameter of described insulating barrier is during smaller or equal to 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 6.5% and smaller or equal to 11%;
The diameter of described insulating barrier is during greater than 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 4% and smaller or equal to 6%.
According to the coaxial cable that provides on the other hand of the present utility model, the diameter of described insulating barrier is during smaller or equal to 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 8% and smaller or equal to 11%;
The diameter of described insulating barrier is during greater than 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 4.5% and smaller or equal to 5.5%.
According to the coaxial cable that provides on the other hand of the present utility model, the diameter of described insulating barrier is during smaller or equal to 20mm, and described outer conductor is a helical tubular; The diameter of described insulating barrier is during greater than 20mm, and described outer conductor is annular tube shaped.
According to the coaxial cable that provides on the other hand of the present utility model, when described outer conductor was helical tubular, the wrinkle pitch of described outer conductor was that 2mm-5mm, wrinkle crest are that 6mm-14mm and trough are 4mm-10mm.
According to the coaxial cable that provides on the other hand of the present utility model, at described outer conductor when being annular tube shaped, described inner wire adopts the spiral corrugated structure, in, the spiral corrugated pitch of described inner wire is that 6mm to 11mm, spiral corrugated crest are that 9mm to 19mm and trough are 6mm to 16mm, and
The annular wrinkle pitch of described outer conductor is that 6mm to 11mm, annular wrinkle crest are that 24mm to 48mm and trough are 20mm to 43mm.
According to the coaxial cable that provides on the other hand of the present utility model, the diameter of described insulating barrier is during greater than 20mm, and the pipe thickness of described outer conductor is more than or equal to 0.25mm and smaller or equal to 0.80mm.
According to the coaxial cable that provides on the other hand of the present utility model, the diameter of described insulating barrier is during smaller or equal to 20mm, and described insulating barrier comprises interior thin layer, insulating medium layer and the outer thin layer that is arranged in order from inside to outside, and
The diameter of described insulating barrier is during greater than 20mm, and described insulating barrier comprises insulating medium layer and the outer thin layer that is arranged in order from inside to outside, wherein,
The polymer that thin layer and described outer thin layer are high-adhesion in described, and the foam degrees of insulating barrier is not less than 70%.
According to the coaxial cable that provides on the other hand of the present utility model, " during feeder line, the pipe thickness of described outer conductor is 0.30mm to 0.40mm when described coaxial cable is 7/8.
According to the coaxial cable that provides on the other hand of the present utility model, the wrinkle pitch of described outer conductor is that 6.90mm, trough external diameter are that 22.30mm to 23.80mm, crest external diameter are that 25.50mm to 26.80mm and insulating barrier external diameter are 22.50mm to 23.00mm.
According to the coaxial cable that provides on the other hand of the present utility model, described inner wire is helical tubular metal, wire metal or level and smooth tubular metal, and wherein, described metal is copper, aluminium matter or copper cover aluminum matter.
The coaxial cable that the utility model provides adopts super gentle structural design and outer conductor to adopt the design of aluminium outer conductor wrinkle light structures, has the particularly soft performance, bending radius is little, excellent performance, lightweight advantage, a large amount of copper material resources have been saved in convenient transportation and installation simultaneously, provide the excellent lightweight of a kind of cost performance super gentle transmission product for the wireless mobile communications user.
Other features and advantages of the utility model will be set forth in the following description.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in specification, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, but does not constitute restriction of the present utility model.
Fig. 1 is the coaxial cable structure schematic diagram according to the utility model first embodiment;
Fig. 2 is according to the utility model second embodiment coaxial cable structure schematic diagram.
Embodiment
Describe execution mode of the present utility model in detail below with reference to drawings and Examples, how the application technology means solve technical problem to the utility model whereby, and the implementation procedure of reaching technique effect can fully understand, and implement according to this.Need to prove that each feature under the situation of not conflicting among the utility model embodiment and the embodiment can mutually combine, these all drop within the protection range of the present utility model.
First embodiment
First kind of coaxial cable structure that the utility model provides comprises restrictive coating 16 as shown in Figure 1, aluminum pipe spiral outer conductor 11, outer thin layer 15, insulating medium layer 12, interior thin layer 14, metal inner wire 13.Interior thin layer 14 coated metal inner wires 13, insulating medium layer 12 interior thin layer 14 and outside between the thin layer 15, the outer thin layer 15 of aluminum pipe spiral outer conductor 11 parcels, restrictive coating 16 is positioned at the outermost of coaxial cable, is used to protect coaxial cable to avoid damaging.
Preferably, it is that (mm represents millimeter to 20mm that the structure of the coaxial cable that present embodiment provided is used to make the insulating barrier diameter, the aluminum pipe outer conductor corrugated coaxial cables of following (being that the insulating barrier diameter is less than or equal to 20mm) Hereinafter the same), outer conductor adopts the aluminium strip outer conductor of helical tubular, and the metal inner wire adopts metal wire or tubular metal structure; Preferably, outer conductor is not less than 0.20mm with the aluminum metal thickness of strip.
Preferably, outer conductor is connected into tubulose through argon arc welding again by band side cut, moulding, forms the spirality bellows of the diameter that requires behind the sizing.
Preferably, the spiral corrugated pitch of aluminum pipe spiral outer conductor 11 is 2-5mm, and the spiral corrugated crest is 5-14mm, and trough is 3-13mm.
Preferably, insulation is three-decker: be made up of interior thin layer 14, insulating medium layer 12 and outer thin layer 15, interior thin layer 14 is by ethylene acrylic acid co polymer (Ethylene Acrylic Acid, EAA) or the polymer of other high-adhesion make, insulating medium layer 12 is mixed and made into by high density polyethylene (HDPE), low density polyethylene (LDPE), nucleator, the making of the polymer of outer thin layer 15 usefulness polyethylene and EAA or other high-adhesion; Preferably, the foam degrees of insulating barrier is not less than 70%; Outer thin layer 15 guarantees between insulation and the outer conductor enough adhesive force is arranged, to guarantee that cable is not subjected to the influence of any moisture and humidity to have higher intensity simultaneously.
The aluminum metal band can be soft attitude material, also can be hard attitude material; Preferably, the tensile strength of soft aluminum metal band is not less than 50MPa, and percentage elongation is not less than 25%; Preferably, the tensile strength of the aluminum metal band of hard is not less than 70MPa, and percentage elongation is not less than 15%.
Second embodiment
Second kind of coaxial cable structure that the utility model provides comprises restrictive coating 16 as shown in Figure 2, aluminum pipe corrugated outer conductor 17, outer thin layer 15, insulating medium layer 12, spirality wrinkle inner wire 18.Insulating medium layer 12 parcel spirality wrinkle inner wires 18, the outer thin layer 15 of aluminum pipe corrugated outer conductor 17 parcels, restrictive coating 16 is positioned at the outermost of coaxial cable, is used to protect coaxial cable to avoid infringement.
Preferably, the structure of the coaxial cable that present embodiment provides is used to make the aluminum pipe outer conductor corrugated coaxial cables of insulating barrier diameter greater than 20mm, and its outer conductor is for adopting annular tube shaped aluminium strip outer conductor; Inner wire adopts spirality metal (can be copper strips or aluminium strip or copper-clad aluminium strip) tubular structure; Preferably, outer conductor is not less than 0.25mm with the aluminum metal thickness of strip.
Preferably, outer conductor is connected into tubulose through argon arc welding again by band side cut, moulding, forms the annular bellows of the diameter that requires behind the sizing.
Preferably, the spiral corrugated pitch of spiral corrugated metal tube inner wire is 6-11mm, and the spiral corrugated crest is 9-19mm, and trough is 6-16mm.The pitch of the annular wrinkle structure of described outer conductor is that 6mm to 11mm, annular wrinkle crest are that 24mm to 48mm and trough are 20mm to 43mm.
Preferably, insulation is two-layer structure: be made up of insulating medium layer 12 and outer thin layer 15, insulating medium layer 12 is mixed and made into by high density polyethylene (HDPE), low density polyethylene (LDPE), ADD or other nucleator, the making of the polymer of outer thin layer 15 usefulness polyethylene and EAA or other high-adhesion; Preferably, the foam degrees of insulating barrier is not less than 70%; Outer thin layer 15 guarantees between insulation and the outer conductor enough adhesive force is arranged, to guarantee that cable is not subjected to the influence of any moisture and humidity to have higher intensity simultaneously.
The aluminum metal band can be soft attitude material, also can be hard attitude material; Preferably, the tensile strength of soft aluminum metal band is not less than 50MPa, and percentage elongation is not less than 25%; Preferably, the tensile strength of the aluminum metal band of hard is not less than 70MPa, and percentage elongation is not less than 15%.
Following table has shown the feature of above-mentioned first embodiment and the second embodiment standard coaxial cable:
Comprehensive above-mentioned first embodiment and second embodiment comprise inner wire, insulating barrier, outer conductor and restrictive coating as can be known from the inside to the outside, and wherein, described outer conductor is a wrinkles aluminium tube.
In addition, outer conductor is a wrinkles aluminium tube.The diameter of insulating barrier is during smaller or equal to 20mm, and the ratio of the pipe thickness of outer conductor and wrinkle pitch is more than or equal to 6.5% and smaller or equal to 11%, is preferably more than to equal 8% and smaller or equal to 11%; The diameter of insulating barrier is during greater than 20mm, and the ratio of the pipe thickness of outer conductor and wrinkle pitch is more than or equal to 4% and smaller or equal to 6%, is preferably more than to equal 4.5% and smaller or equal to 5.5%.
In addition, the pipe thickness of outer conductor and the ratio of insulator external diameter are more than or equal to 1.15%.
In summary, the utility model has improved the influence to decay index and crooked index of the crest external diameter, the embossing degree of depth, embossing pitch of wrinkle, the embossing degree of depth and embossing pitch have suitably been adjusted, superior outer conductor wrinkle structure has creatively been proposed, guaranteed even, the neat and minimum size fluctuation of thick aluminium strip spiral corrugated shape simultaneously, thereby improved The comprehensive performance greatly, especially high frequency characteristics.
With 7/8 " super gentle aluminum feeder is an example:
In above-mentioned, feeder line 1 and feeder line 2 have all adopted the design of low-loss physical dimension, make aluminum feeder reach the decay index request of similar specification copper feeder.
In addition, " during feeder line, the pipe thickness of outer conductor can be any thickness between 0.30mm to 0.40mm when the coaxial cable according to the foregoing description is 7/8.Therewith correspondingly, the wrinkle pitch of outer conductor can be arbitrary value, the crest external diameter that 6.90mm, trough external diameter can be between 22.30mm to 23.80mm and can be the arbitrary value between 25.50mm to 26.80mm, and the insulating barrier external diameter can be the arbitrary value between 22.50mm to 23.00mm.
Claims (12)
1. a coaxial cable comprises inner wire, insulating barrier, outer conductor and restrictive coating from the inside to the outside, it is characterized in that, described outer conductor is the wrinkle tubular shape conductor of aluminum material, and the wall thickness of described outer conductor is more than or equal to 0.20mm.
2. coaxial cable as claimed in claim 1 or 2 is characterized in that, the ratio of the pipe thickness of described outer conductor and described insulator external diameter is more than or equal to 1.15%.
3. coaxial cable as claimed in claim 1 or 2 is characterized in that,
The diameter of described insulating barrier is during smaller or equal to 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 6.5% and smaller or equal to 11%;
The diameter of described insulating barrier is during greater than 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 4% and smaller or equal to 6%.
4. coaxial cable as claimed in claim 1 or 2 is characterized in that,
The diameter of described insulating barrier is during smaller or equal to 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 8% and smaller or equal to 11%;
The diameter of described insulating barrier is during greater than 20mm, and the ratio of the pipe thickness of described outer conductor and wrinkle pitch is more than or equal to 4.5% and smaller or equal to 5.5%.
5. coaxial cable as claimed in claim 1 or 2 is characterized in that, the diameter of described insulating barrier is during smaller or equal to 20mm, and described outer conductor is a helical tubular; The diameter of described insulating barrier is during greater than 20mm, and described outer conductor is annular tube shaped.
6. coaxial cable as claimed in claim 5 is characterized in that,
When described outer conductor was helical tubular, the wrinkle pitch of described outer conductor was that 2mm-5mm, wrinkle crest are that 6mm-14mm and trough are 4mm-10mm.
7. coaxial cable as claimed in claim 5 is characterized in that,
When being annular tube shaped, described inner wire adopts the spiral corrugated structure at described outer conductor, in, the spiral corrugated pitch of described inner wire is that 6mm to 11mm, spiral corrugated crest are that 9mm to 19mm and trough are 6mm to 16mm, and
The annular wrinkle pitch of described outer conductor is that 6mm to 11mm, annular wrinkle crest are that 24mm to 48mm and trough are 20mm to 43mm.
8. coaxial cable as claimed in claim 1 or 2 is characterized in that,
The diameter of described insulating barrier is during greater than 20mm, and the pipe thickness of described outer conductor is more than or equal to 0.25mm and smaller or equal to 0.80mm.
9. coaxial cable as claimed in claim 1 or 2 is characterized in that,
The diameter of described insulating barrier is during smaller or equal to 20mm, and described insulating barrier comprises interior thin layer, insulating medium layer and the outer thin layer that is arranged in order from inside to outside, and
The diameter of described insulating barrier is during greater than 20mm, and described insulating barrier comprises insulating medium layer and the outer thin layer that is arranged in order from inside to outside, wherein,
The polymer that thin layer and described outer thin layer are high-adhesion in described, and the foam degrees of insulating barrier is not less than 70%.
10. coaxial cable as claimed in claim 1 or 2 is characterized in that,
" during feeder line, the pipe thickness of described outer conductor is 0.30mm to 0.40mm when described coaxial cable is 7/8.
11. coaxial cable as claimed in claim 10 is characterized in that, the wrinkle pitch of described outer conductor is that 6.90mm, trough external diameter are that 22.30mm to 23.80mm, crest external diameter are that 25.50mm to 26.80mm and insulating barrier external diameter are 22.50mm to 23.00mm.
12. coaxial cable as claimed in claim 1 or 2 is characterized in that,
Described inner wire is helical tubular metal, wire metal or level and smooth tubular metal, and wherein, described metal is copper, aluminium matter or copper cover aluminum matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120003506XU CN201965990U (en) | 2011-01-07 | 2011-01-07 | Coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120003506XU CN201965990U (en) | 2011-01-07 | 2011-01-07 | Coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965990U true CN201965990U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120003506XU Expired - Lifetime CN201965990U (en) | 2011-01-07 | 2011-01-07 | Coaxial cable |
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| Country | Link |
|---|---|
| CN (1) | CN201965990U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606415A (en) * | 2013-11-25 | 2014-02-26 | 浙江德通科技有限公司 | Light low-attenuation wrinkle coaxial cable |
| CN107819178A (en) * | 2017-11-06 | 2018-03-20 | 江苏亨鑫科技有限公司 | A kind of special super soft Lowloss coaxial cables of 5G frequency ranges and preparation method thereof |
| CN107851493A (en) * | 2015-09-03 | 2018-03-27 | 康普技术有限责任公司 | Coaxial cable with the outer conductor for adhering to dielectric layer and/or sheath |
| CN110416842A (en) * | 2019-08-09 | 2019-11-05 | 江苏正恺电子科技有限公司 | A kind of coaxial cavity structure meeting the short physical length of long electrical length |
-
2011
- 2011-01-07 CN CN201120003506XU patent/CN201965990U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606415A (en) * | 2013-11-25 | 2014-02-26 | 浙江德通科技有限公司 | Light low-attenuation wrinkle coaxial cable |
| CN107851493A (en) * | 2015-09-03 | 2018-03-27 | 康普技术有限责任公司 | Coaxial cable with the outer conductor for adhering to dielectric layer and/or sheath |
| CN107819178A (en) * | 2017-11-06 | 2018-03-20 | 江苏亨鑫科技有限公司 | A kind of special super soft Lowloss coaxial cables of 5G frequency ranges and preparation method thereof |
| CN110416842A (en) * | 2019-08-09 | 2019-11-05 | 江苏正恺电子科技有限公司 | A kind of coaxial cavity structure meeting the short physical length of long electrical length |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |