CN103943271B - A kind of joint design of cable aluminum foil band and aluminium foil strip connecting method thereof - Google Patents
A kind of joint design of cable aluminum foil band and aluminium foil strip connecting method thereof Download PDFInfo
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- CN103943271B CN103943271B CN201410161344.0A CN201410161344A CN103943271B CN 103943271 B CN103943271 B CN 103943271B CN 201410161344 A CN201410161344 A CN 201410161344A CN 103943271 B CN103943271 B CN 103943271B
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Abstract
The present invention relates to a kind of joint design and aluminium foil strip connecting method thereof of cable aluminum foil band.The joint design that object is to provide should be able to effectively ensure signal of telecommunication quality, and the method for renewing provided should have simple to operate, efficient and convenient and lower-cost feature.Technical scheme is: a kind of joint design of cable aluminum foil band, comprises the aluminium foil strip of two overlap joints; The bond end of each aluminium foil strip is all toward the oblique turnover of PET one side; One aluminium foil joint covers two aluminium foil strip turnovers and holds above, is bonded as one; Aluminium foil joint design is identical with aluminium foil strip, fits in the aluminium foil on aluminium foil joint and the described aluminium foil surface opposite of holding that turns down.A connecting method for cable aluminum foil band, carries out: 1) two aluminium foil strip overlap the bond end forming certain length mutually successively according to the following steps; 2) bond end of each aluminium foil strip is all toward the oblique turnover of pet layer one side; 3) two aluminium foil strip are connected as a single entity; 4) length direction along aluminium foil strip prunes aluminium foil strip dual-side edge.
Description
Technical field
The present invention relates to field of signal transmissions, specifically the aluminium foil of coaxial cable shield.
Background technology
The structure of conventional coaxial cable is followed successively by from inside to outside: inner wire 1, insulating barrier 2, aluminium foil layer 3, metal wire layer 4 and sheath 5; Aluminium foil layer wherein and metal wire layer together form screen (also known as outer conductor).Due to the impact of " kelvin effect ", the aluminium foil layer being positioned at internal layer carries main shielding action.
Existing aluminium foil layer structure is aluminium foil 3-2 and pet layer 3-1 is composited by glue; When manufacturing cable, first form heart yearn at the outside injection moulding insulating barrier of inner wire, then in the outside metallized aluminum layers of foil of heart yearn and by the outer braid metal wire layer of high-speed knitter at aluminium foil, finally form cable at the outside injection moulding sheath of metal wire layer.
Aluminium foil layer in above-mentioned production process is cut into band shape in advance and is wound in plate-like, progressively discharges and participate in cable making during production.When a dribbling shape aluminium foil layer will discharge complete, need continue new aluminium foil layer; Existing continuation method is only simply the tip side of two aluminium foil layers is overlapped (as shown in Figure 2 and Figure 3, throw away after overlap joint keep aluminium foil towards consistent); Obviously, due to pet layer insulation, aluminium foil layer defines open circuit herein, can only keep conducting of screen by metal wire layer; But the shielding properties making paired cable thus produces larger impact, and return loss and signal attenuation index are difficult to reach higher requirement.
Along with the development of the communication technology, the shielding properties of user to coaxial cable is constantly had higher requirement; Therefore, exploitation there is high-quality coaxial cable, be industry in the urgent need to.
Summary of the invention
The object of the invention is the deficiency overcoming the existence of above-mentioned background technology, a kind of joint design of cable aluminum foil band and the improvement of aluminium foil strip continued access method thereof are provided, the joint design provided should be able to effectively ensure signal of telecommunication quality, and be connected firmly, the continued access method provided should have simple to operate, efficient and convenient and lower-cost feature.
The technical scheme that the present invention proposes is:
A joint design for cable aluminum foil band, comprises the aluminium foil strip of two overlap joints, two aluminium foil strip to be composited with pet layer by aluminium foil and the aluminium foil of two aluminium foil strip towards consistent; It is characterized in that: the bond end of each aluminium foil strip all makes the flanging of two aluminium foil strip mutually coincide after the oblique turnover of PET one side; One aluminium foil joint cover the turnover of two aluminium foil strip after turnover end upper after, hold by glue and turnover again and aluminium foil strip pet layer on be bonded as integrally; Described aluminium foil joint design is identical with aluminium foil strip, fits in the aluminium foil on aluminium foil joint and the described aluminium foil surface opposite of holding that turns down.
The angle that the flanging of described aluminium foil strip and the length direction of aluminium foil strip are formed is 20-70 degree.
A connecting method for cable aluminum foil band, carries out successively according to the following steps:
1) two aluminium foil strip towards unanimously to put and length direction is consistent, then overlap joint forms the bond end of certain length mutually;
2) bond end of each aluminium foil strip all makes the flanging of two aluminium foil strip mutually coincide after the oblique turnover of pet layer one side;
3) two aluminium foil strip turnovers after an aluminium foil joint scribbling glue covers turnover are held and are turned down on the pet layer near end, two aluminium foil strip are connected as a single entity;
4) length direction along aluminium foil strip prunes aluminium foil strip dual-side edge, by aluminium foil joint protuberance bit clear.
Step 2) turnover time, the angle that the flanging of aluminium foil strip and the length direction of aluminium foil strip are formed is 20-70 degree.
The structure of described aluminium foil joint is identical with the structure of aluminium foil strip.
The aluminium foil one side of described aluminium foil joint is bonded in release liners by glue.
Described glue is acrylic glue.
The invention has the beneficial effects as follows: joint design provided by the invention, directly achieve conducting of two aluminium foil strip by aluminium foil joint, ensure that the circuit clear of outer conductor when kelvin effect is without hindrance; And the flanging of two aluminium foil strip coincide mutually, the tight No leakage of screen is made to ensure that shield effectiveness; After tested, the echo performance of cable and signal attenuation index all improve more than 20%.Method provided by the present invention, simple and quick without technical difficulty, operating personnel train a little can be skilled, adopt aluminium foil joint to be adhesive sticker structure, easy to use, so cost is lower, be convenient to promotion and implementation.
Accompanying drawing explanation
Fig. 1 is the structural representation of coaxial cable.
Fig. 2 is the main TV structure schematic diagram of existing aluminium foil layer continuation method.
Fig. 3 is the right TV structure schematic diagram of existing aluminium foil layer continuation method.
Fig. 4 is the process schematic of subsequent steps provided by the invention.
Fig. 5 is the exploded perspective view of joint design provided by the invention.
Fig. 6 is the main TV structure schematic diagram before aluminium foil joint uses.
Embodiment
Below in conjunction with Figure of description, the invention will be further described.
As shown in the figure, the joint design of cable aluminum foil band provided by the invention, comprise the aluminium foil strip of two overlap joints, two aluminium foil strip are composited by aluminium foil 3-2 and pet layer 3-1, and during overlap joint, the aluminium foil of two aluminium foil strip is towards unanimously; Obviously, the above all with the continued access mode of existing aluminium foil strip roughly the same.
The improvement that the present invention does is: the bond end P of each aluminium foil strip is all toward the oblique turnover of pet layer one side (after turnover, the pet layer of each turnover end is all fitted with the pet layer of this aluminium foil strip), the flanging 3-2-1 of two aluminium foil strip is made mutually to coincide (do not stay gap to ensure that shielding is tight between the flanging of two aluminium foil strip, be not also superimposed with each other between two aluminium foil strip); After two aluminium foil strip turnover end upper (fitting in the aluminium foil on aluminium foil joint and the described aluminium foil surface opposite of holding that turns down) after one aluminium foil joint 6 (structure of aluminium foil joint is identical with aluminium foil strip) covers turnover, this aluminium foil joint again by glue and described turn down hold and aluminium foil strip PET on be bonded as integrally (in Fig. 4 step e show and continue after main TV structure).
The angle that the flanging of described aluminium foil strip and the length direction of aluminium foil strip are formed is 20-70 degree; As recommendation, this angle is 45 degree.
Described glue is acrylic glue or other conductive glue (as polyurethane glue, nylon glue, 502 glue etc.).
The connecting method of cable aluminum foil band provided by the invention, carries out successively according to the following steps:
1) two aluminium foil strip towards unanimously to put and length direction is consistent (as shown in Figure 3, Figure 4), then overlap joint forms the overlapping part of certain length mutually;
2) the bond end P of each aluminium foil strip all makes the flanging 3-2-1 of two aluminium foil strip mutually coincide (in Fig. 4 step a, step b) after the oblique turnover of PET one side;
3) on two aluminium foil strip turnover ends after an aluminium foil joint 6 scribbling glue covers turnover and the PET near turnover end, (length of aluminium foil joint should be greater than the width of aluminium foil strip, can also bond after making aluminium foil joint aluminium coating foil turn down end with a part of pet layer; As shown in step c in Fig. 4), two aluminium foil strip are connected as a single entity;
4) length direction along aluminium foil strip prunes aluminium foil strip edge, by aluminium foil joint protuberance bit clear (as shown in steps d in Fig. 4).
Obvious step 2) turnover time, the angle that the flanging of aluminium foil strip and the length direction of aluminium foil strip are formed does not limit, and can be generally 20-70 degree, preferably 45 degree.
The structure of described aluminium foil joint is identical with the structure of aluminium foil strip.
Described aluminium foil joint, can be bonded in (shown in Fig. 6) in release liners 7 by aluminium foil one side by glue, roughly the same self-adhesive paper in advance; Such use is more convenient.
Various types of materials of the present invention, can all obtain in outsourcing.
Claims (7)
1. a joint design for cable aluminum foil band, comprises the aluminium foil strip (3) of two overlap joints, two aluminium foil strip to be composited with pet layer (3-1) by aluminium foil (3-2) and the aluminium foil of two aluminium foil strip towards consistent; It is characterized in that: the bond end (P) of each aluminium foil strip all makes not stay between the flanging of two aluminium foil strip (3-2-1) combination in gap after the oblique turnover of PET one side; One aluminium foil joint (6) cover the turnover of two aluminium foil strip after turnover end upper after, hold by glue and turnover again and aluminium foil strip pet layer on be bonded as integrally; Described aluminium foil joint design is identical with aluminium foil strip, fits in the aluminium foil on aluminium foil joint and the described aluminium foil surface opposite of holding that turns down.
2. the joint design of cable aluminum foil band according to claim 1, is characterized in that: the angle that the flanging of described aluminium foil strip and the length direction of aluminium foil strip are formed is 20-70 degree.
3. the joint design of cable aluminum foil band according to claim 1 and 2, is characterized in that: described glue is acrylic glue.
4. the connecting method of a kind of cable aluminum foil band according to claim 1, carries out successively according to the following steps:
1) two aluminium foil strip towards unanimously to put and length direction is consistent, then overlap joint forms the bond end of certain length mutually;
2) bond end of each aluminium foil strip all makes the combination not staying gap between the flanging of two aluminium foil strip after the oblique turnover of pet layer one side;
3) two aluminium foil strip turnovers after an aluminium foil joint scribbling glue covers turnover are held and are turned down on the pet layer near end, two aluminium foil strip are connected as a single entity;
4) along the dual-side edge of the length direction pruning aluminium foil strip of aluminium foil strip, by aluminium foil joint protuberance bit clear.
5. the connecting method of cable aluminum foil band according to claim 4, is characterized in that: step 2) turnover time, the angle that the flanging of aluminium foil strip and the length direction of aluminium foil strip are formed is 20-70 degree.
6. the connecting method of cable aluminum foil band according to claim 5, is characterized in that: the structure of described aluminium foil joint is identical with the structure of aluminium foil strip.
7. the connecting method of cable aluminum foil band according to claim 6, is characterized in that: the aluminium foil one side of described aluminium foil joint is bonded in release liners (7) by glue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410161344.0A CN103943271B (en) | 2014-04-21 | 2014-04-21 | A kind of joint design of cable aluminum foil band and aluminium foil strip connecting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410161344.0A CN103943271B (en) | 2014-04-21 | 2014-04-21 | A kind of joint design of cable aluminum foil band and aluminium foil strip connecting method thereof |
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| CN103943271A CN103943271A (en) | 2014-07-23 |
| CN103943271B true CN103943271B (en) | 2016-03-23 |
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| CN108526739B (en) * | 2018-03-01 | 2020-05-22 | 昆山铝业有限公司 | Welding method of aluminum foil joint |
| CN112002469B (en) * | 2020-08-18 | 2022-02-11 | 昆山联滔电子有限公司 | Cable and processing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202584921U (en) * | 2012-04-17 | 2012-12-05 | 浙江万马天屹通信线缆有限公司 | Short-hemming-shaped aluminum foil of three shielding coaxial cable |
| CN103325458A (en) * | 2013-05-24 | 2013-09-25 | 贸联电子(昆山)有限公司 | High-frequency coil shielding wrapping tape structure |
| CN203812646U (en) * | 2014-04-21 | 2014-09-03 | 杭州东兴电讯材料有限公司 | Joint structure of cable aluminium foil belt |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01128314A (en) * | 1987-11-12 | 1989-05-22 | Koei Boeki Kk | Flat cable and manufacture thereof |
| JP4188465B2 (en) * | 1998-09-18 | 2008-11-26 | 株式会社タイカ | Conductive composite sheet connection method and conductive structure by this connection method |
| CN101340808A (en) * | 2008-08-12 | 2009-01-07 | 中国林业科学研究院木材工业研究所 | Bridging method of glued board having electro-magnetic screen layer |
| CN201248226Y (en) * | 2008-08-12 | 2009-05-27 | 中国林业科学研究院木材工业研究所 | Glued board with build-in electromagnetic shielding lapping structure |
| JP2012070601A (en) * | 2010-09-27 | 2012-04-05 | Furukawa Electric Co Ltd:The | Shield pipe and wiring harness |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584921U (en) * | 2012-04-17 | 2012-12-05 | 浙江万马天屹通信线缆有限公司 | Short-hemming-shaped aluminum foil of three shielding coaxial cable |
| CN103325458A (en) * | 2013-05-24 | 2013-09-25 | 贸联电子(昆山)有限公司 | High-frequency coil shielding wrapping tape structure |
| CN203812646U (en) * | 2014-04-21 | 2014-09-03 | 杭州东兴电讯材料有限公司 | Joint structure of cable aluminium foil belt |
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