CN100394514C - Flat cable - Google Patents
Flat cable Download PDFInfo
- Publication number
- CN100394514C CN100394514C CNB2004100076859A CN200410007685A CN100394514C CN 100394514 C CN100394514 C CN 100394514C CN B2004100076859 A CNB2004100076859 A CN B2004100076859A CN 200410007685 A CN200410007685 A CN 200410007685A CN 100394514 C CN100394514 C CN 100394514C
- Authority
- CN
- China
- Prior art keywords
- insulation
- coated layer
- flat cable
- screen
- outer circumferential
- 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.)
- Expired - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 61
- 230000004927 fusion Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract 1
- 238000002788 crimping Methods 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
Images
Landscapes
- Multi-Conductor Connections (AREA)
- Insulated Conductors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
- Communication Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
To easily perform formation working of a pressure welding connection section with a contact at the tip of a flat cable, and a grounding connection section, where a shield layer is exposed, and to prevent an electric wire for composing the shield layer from getting loose. A plurality of coaxial cables 20 comprising a conductor 21, an inner periphery side insulating covering 22, a shield layer 23, and an outer periphery side insulating covering 24 are retained in parallel on the same surface by a holding tape 27 to compose a flat cable. In the flat cable, the outer periphery side insulating covering 24 and the shield layer 23 are peeled off in a range, where the end section of the coaxial cables 20 projecting outward from the end section of the holding tape 27 is at first specific length (a) from the tip, to form a pressure welded section 22a. The outer periphery side insulating covering 24 is peeled off by allowing the outer periphery side insulating covering 24a with a specific width (c) to remain in a range from the inner end of the pressure welded section 22a to a second specific length (b) to form a grounding connection section 23a. (C)2004,JPO&NCIPI.
Description
Technical field
The present invention relates to a plurality of coaxial cables are kept the flat cable constituted at grade abreast side by side.
Background technology
Coating the heart yearn that linearity extends with the insulation-coated layer of interior all sides, coat the periphery of the insulation-coated layer of all sides in this with screen, is always known to half with the coaxial cable that periphery constituted of this screen of the insulation-coated layer coating of outer circumferential side again.In recent years, there is strong request to make the tendency of the thin diameterization of coaxial cable, for example, also use core line diameter to be about the superfine coaxial cable that 0.1mm, integral diameter (diameter of the insulation-coated layer of outer circumferential side) are about 0.35mm.Also know the flat cable (for example, with reference to the flat 10-144145 communique of Japan Patent Publication Laid-Open) that many maintenances arranged side by side abreast of such coaxial cable are constituted is at grade arranged.
Such flat cable uses behind its end mounted connector, when connector is installed, the heart yearn that the insulation-coated layer of the outer circumferential side of peelling off coaxial cable on the flat cable end, the insulation-coated layer of interior all sides and screen will be exposed and each contact of connector weld, or only peel off the insulation-coated layer of outer circumferential side and screen and interior all sides of the heart yearn state that has been covered are exposed for insulation-coated layer, this part is carried out crimping with the pressure contact portion of contact be connected.
; state in the use in the superfine flat cable that coaxial cable constituted; in order to weld with contact and heart yearn to be exposed; or in order to carry out with contact that crimping is connected when the insulation-coated layer of all sides exposes in making; because coaxial cable self is very thin; and top ends at the coaxial cable that heart yearn, the insulation-coated layer of interior all sides etc. are exposed; owing to do not utilize retainer belt etc. that each coaxial cable is kept; so have this top ends easy deformation, the problem that the processing that heart yearn, the insulation-coated layer of interior all sides etc. are exposed becomes very difficult.
Again, in the flat 10-144145 communique of above-mentioned Japan Patent Publication Laid-Open, disclosed and the insulation-coated layer of outer circumferential side peelled off and 2 groups earth rod (metal forming) is welded on the screen after exposing, makes the crooked and method betwixt screen being cut off, remove screen with the earth rod of tip side of these 2 groups of earth rods, but had the weld job that needs earth rod etc., the many manufacturing procedures of needs, process the operation cost problem of time.
Summary of the invention
The present invention makes in view of such problem, its purpose is, a kind of flat cable of following structure is provided, can be with simple processing operation, the insulation-coated layer of all sides is in order to be connected and to expose with the crimping of contact in the top ends of flat cable makes, and screen exposed and the electric wire of this screen of formation is unclamped in its root side.
In order to reach such purpose, in the present invention, will be by the heart yearn of linearity ground extension, be arranged to cover the insulation-coated layer of interior all sides of heart yearn, the screen of the periphery of the insulation-coated layer of all sides and being arranged to covers many of coaxial cables that the insulation-coated layer of outer circumferential side of the periphery of screen constitutes and keeps at grade side by side abreast and constitute flat cable in being arranged to cover.And, on the end of the coaxial cable in this flat cable, the insulation-coated layer of all sides exposes in making peel off insulation-coated layer of outer circumferential side and screen from the scope of front end to the 1 specific length, that exposes should form pressure contact portion by the insulation-coated layer of interior all sides, from the scope of the inner to the 2 specific lengths of pressure contact portion, keep the insulation-coated layer of outer circumferential side of Rack and peel off the insulation-coated layer of remaining outer circumferential side in front, screen is exposed, and this screen that exposes forms the ground connection connecting portion.
Again, can make and utilize retainer belt to keep at grade side by side abreast and the formation flat cable a plurality of coaxial cables, the structure of pressure contact portion and ground connection connecting portion is stretched out, forms in the end of the coaxial cable that stretches out like this in the end of coaxial cable to foreign side from the end of retainer belt.
In this flat cable, preferably, on the position of the 1st specific length of the front end of coaxial cable, utilize YAG laser that insulation-coated layer of outer circumferential side and screen are cut off, to the insulation-coated layer of the outer circumferential side of the scope that is positioned at the 1st specific length with screen carries out drawing and insulation-coated layer of all sides are exposed and formed pressure contact portion, from the scope of the inner to the 2 specific lengths of this pressure contact portion, at regional internal radiation CO except the scope of the Rack of front
2Laser and fusion are removed the insulation-coated layer of outer circumferential side and are formed the ground connection connecting portion.
In the flat cable of above structure, from the scope of the inner to the 2 specific lengths of pressure contact portion, keep the insulation-coated layer of outer circumferential side of Rack and peel off the insulation-coated layer of remaining outer circumferential side and formation ground connection connecting portion in front, because the screen that exposes on the ground connection connecting portion keeps at the insulation-coated layer of the outer circumferential side that is retained that front has Rack, can not unclamp so form the fine wire of many oblique volumes of screen, when making connector and the front end crimping of flat cable is connected scatteredly, connection reliability when the energy raising is carried out the ground connection connection to screen.Again, owing to utilize YAG laser that insulation-coated layer of outer circumferential side and screen are cut off, shine CO
2Laser is removed the fusion of the insulation-coated layer of outer circumferential side and is formed the ground connection connecting portion, so can not act on the external force that each coaxial cable is crooked or distortion causes that makes in the flat cable leading section, can not make their shifting grounds, keep original correct class interval.Therefore, can carry out operation that connector is connected with the leading section crimping of flat cable accurately.
Description of drawings
Fig. 1 is the stereogram of the structure of the vertical view of the expression flat cable that is processed to form the state before the flat cable of the present invention and the coaxial cable that constitutes this flat cable.
Fig. 2 is the vertical view that expression is processed to form the end construction in stage midway of flat cable of the present invention.
Fig. 3 is the vertical view and the stereogram of the end construction of expression flat cable of the present invention.
Fig. 4 is the stereogram that expression is decomposed the connector that connects flat cable of the present invention.
Fig. 5 is illustrated in connector is connected the Belt connector cable that is constituted with the end of the flat cable of the present invention manufacturing cutaway view of the state in the stage midway.
Fig. 6 is the cutaway view that connector is connected the Belt connector cable that is constituted with the end of flat cable of the present invention.
Embodiment
Below, with reference to accompanying drawing best example of the present invention is described.At first, with reference to Fig. 1 ~ Fig. 3, the structure of using flat cable of the present invention is described.Flat cable FC constitutes the 20 parallel and equally spaced arranged side by side bonding maintenances of many superfine coaxial cables at grade with retainer belt 27 shown in Fig. 1 (A).Again, retainer belt 27 both can carry out clamping from both sides to a plurality of coaxial cables 20, also can only be arranged on one-sided.
Fig. 1 (B) represents the structure of each coaxial cable 20, is provided with the interior all side that insulating material be made of insulation-coated layer 22 around the heart yearn 21 that makes in the electric wire set that many (being 7) is superfine here; The periphery of the insulation-coated layer 22 of all sides is provided with screen 23 with the state that a plurality of superfine electric wires tiltedly are provided with rolling up in this; To be located at by the insulation-coated layer of the outer circumferential side that insulating material constitutes 24 again and constitute coaxial cable 20 on the periphery of this screen 23.This coaxial cable 20 is made to very thin diameter, for example, and the about 0.1mm of the external diameter of heart yearn 21, the about 0.35mm of whole external diameter (external diameter of the insulation-coated layer 24 of outer circumferential side).
Flat cable of the present invention is processed into and the shape that just is connected with the connector crimping can not be changed in the end of the flat cable FC of this spline structure, below this is shaped operation describes.At first, shown in Fig. 1 (A), on the end of flat cable FC, retainer belt 27 is peelled off and the end of coaxial cable 20 is exposed with keeping parallelism state arranged side by side.Then, there is the position (position of representing with X-X among Fig. 1 (A)) of the 1st predetermined distance a to shine YAG laser, only insulation-coated layer 24 of outer circumferential side and screen 23 cut off processing at end face from these coaxial cables 20.
Paste retainer belt etc. in the position after such cut-out (position of representing with X-X) to outer distolateral part again, outer distolateral together when foreign side pulls out when with the off-position of coaxial cable 20 can be only separates the insulation-coated layer 24 of outer circumferential side and screen 23 and remove from off-position.Fig. 2 represents the state after insulation-coated layer 24 of outer circumferential side distolateral outside such off-position is incited somebody to action and screen 23 are removed, and from this figure as can be known, between from the top to the off-position, the insulation-coated layer 22 of interior all sides exposes.The insulation-coated layer of interior all sides 22 part of exposing like this are called pressure contact portion 22a again.
Then, to from the above-mentioned off-position inner end positions of pressure contact portion (promptly) to the scope of the 2nd predetermined distance b, except the part irradiation CO from the scope of the Rack c of above-mentioned off-position
2Laser is removed 24 fusion of the insulation-coated layer of outer circumferential side.Its result is shown in Fig. 3 (A), (B), the 1st predetermined distance a that rises in tip side, in the insulation-coated layer of all sides 22 expose and form crimping connecting portion 22a, in the scope of the 2nd predetermined distance b that rises in this inner, remain with the insulation-coated layer of the outer circumferential side 24a of the ring-type of Rack c, in rest parts, be the state that screen 23 exposes.The part that screen 23 is exposed like this is called ground connection connecting portion 23a.Owing to tiltedly being provided with rolling up, many superfine electric wires form screen 23, so if only screen 23 is intactly exposed, then on ground connection connecting portion 23a, each fine wire unclamps easily and becomes scattered state, and by the insulation-coated layer of the outer circumferential side that keeps ring-type as mentioned above 24a, just can keep each fine wire and prevent to become scattered state.
Flat cable after like this end being processed is the flat cable FC of example of the present invention, to connector being installed in the Belt connector cable that the end made of this flat cable FC, describes with reference to Fig. 4 and Fig. 5.
At first, the structure to the pin connector PC that is connected with the end of the flat cable FC of said structure describes.Pin connector PC is made of crimping cover 1 and connector body 5.As shown in Figure 4, the end of the flat cable FC of said structure is installed on crimping cover 1, this crimping cover is pushed to connector body 5 and to the direction of arrow A, make Belt connector cable shown in Figure 5.
Crimping cover 1 is made of cable retaining member 2 made of insulating material and the metal radome 3 that is mounted to the lateral surface of covering cable retaining member 2.On cable retaining member 2, be formed with respectively with the spacing identical a plurality of cables arranged side by side, that form the U font and keep groove 2a, 2b with the arrangement pitches of the coaxial cable 20 of above-mentioned flat cable FC.On cable retaining member 2, crimp type terminal accepting groove 2c and earth terminal accepting hole 2d also have been formed as shown.And, each pressure contact portion 22a of flat cable FC is housed in these cables maintenance grooves 2a, the 2b, as shown in Figure 4, the top ends of flat cable FC is installed on the crimping cover 1.
As mentioned above, each pressure contact portion 22a of flat cable FC is housed in cable to be kept in groove 22a, the 22b and is installed on the crimping cover 1, when with this crimping cover 1 towards connector body 5 during to the pushing of the direction of arrow A, the 8a of crimp type terminal portion the insulation-coated layer of interior all sides of pressure contact portion 22a 22 is torn and the pressure contact portion 22a that nips in, heart yearn 21 is inserted in the heart yearn accepting groove 8b and heart yearn 21 is electrically connected with corresponding contact 8.Simultaneously, ground connection connecting portion 23a is accommodated in the shielding accepting groove 7b that remains on earth terminal resettlement section 7a, and screen 23 is electrically connected with ground plate 7.Then, push radome 3 and make its leading section 3a and ground connection connecting portion 23a butt and it is pushed downwards as shown by arrow B.Again, at this moment, the top of the 8a of crimp type terminal portion enters in the crimp type terminal accepting groove 2c, and the top of earth terminal resettlement section 7a enters in the earth terminal accepting hole 2d.
As mentioned above, adopt the present invention, from the scope of the inner the 2nd specific length of pressure contact portion, keep the insulation-coated layer of outer circumferential side of Rack and peel off the insulation-coated layer of remaining outer circumferential side and formation ground connection connecting portion in tip side, the screen utilization that the ground connection connecting portion exposes keeps at the insulation-coated layer of outer circumferential side of the Rack that tip side keeps, so forming the fine wire of many oblique volumes of screen can not unclamp scatteredly, connector can be carried out crimping with the top of flat cable and be connected, improve the connection reliability when making screen carry out the ground connection connection simultaneously.Again, owing to utilize YAG laser that the insulation-coated layer of outer circumferential side and screen are cut off and shine CO
2Laser is removed the fusion of the insulation-coated layer of outer circumferential side and is formed the ground connection connecting portion, so can not act on the external force that each coaxial cable that makes on the flat cable top ends is crooked or be out of shape, can make them keep original correct spacing indeformablely.Therefore, can carry out operation that connector is connected with the top ends crimping of flat cable accurately.
As can be known, adopt the present invention after the manufacture method of flat cable of the present invention and above-mentioned Japanese kokai publication hei 10-144145 communique compared, can make flat cable with the few especially simple manufacturing method of manufacturing procedure number.Again, do not need the utilization welding shown in the patent documentation 1 that earth rod is fixed on operation on the screen, do not use scolder, so can under excellent environment, make.
Claims (3)
1. flat cable (FC) that a plurality of coaxial cables (20) is kept at grade side by side abreast and constitute,
The heart yearn (21) that described coaxial cable (20) is extended by linearity, be arranged to cover described heart yearn (21) the insulation-coated layer of interior all sides (22), be arranged to cover described in the screen (23) and being arranged to of periphery of the insulation-coated layer of all sides (22) the insulation-coated layer of outer circumferential side (24) that covers the periphery of described screen (23) constitute, it is characterized in that
On the end of described coaxial cable (20), in the scope of the 1st specific length (a) on top, peel off the insulation-coated layer of described outer circumferential side (24) and described screen (23), the described interior insulation-coated layer of all sides (22) is exposed, that exposes should form pressure contact portion (22a) by the insulation-coated layer of interior all sides, in the scope of the 2nd specific length (b) of the inner of described pressure contact portion (22a), keep the insulation-coated layer of described outer circumferential side (24a) of Rack (c) and peel off the insulation-coated layer of remaining described outer circumferential side (24) in tip side, described screen (23) is exposed, and this screen that exposes forms ground connection connecting portion (23a).
2. flat cable as claimed in claim 1 (FC) is characterized in that,
A plurality of coaxial cables (20) utilize retainer belt (27) to keep at grade and formation flat cable (FC) side by side abreast,
Stretch out to foreign side from the end of described retainer belt (27) end of described coaxial cable (20), is formed with described pressure contact portion (22a) and described ground connection connecting portion (23a) on the end of the described coaxial cable (20) that stretches out like this.
3. flat cable as claimed in claim 1 (FC) is characterized in that,
Have on top on the position of described the 1st specific length (a) from described coaxial cable (20), utilize YAG laser that insulation-coated layer of described outer circumferential side (24) and described screen (23) are cut off, to be positioned at insulation-coated layer of the described outer circumferential side of described the 1st specific length (a) scope (24) and described screen (23) pulls out and removes, make described in the insulation-coated layer of all sides (22) expose and form described pressure contact portion (22a)
In the scope of described the 2nd specific length (b) of the inner of described pressure contact portion (22a), to the regional internal radiation CO except the scope of the Rack (c) of tip side
2The insulation-coated layer of described outer circumferential side (24) is removed in laser and fusion, forms described ground connection connecting portion (23a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003064293A JP3709992B2 (en) | 2003-03-11 | 2003-03-11 | Flat cable |
| JP2003064293 | 2003-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1530965A CN1530965A (en) | 2004-09-22 |
| CN100394514C true CN100394514C (en) | 2008-06-11 |
Family
ID=33125615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100076859A Expired - Lifetime CN100394514C (en) | 2003-03-11 | 2004-02-24 | Flat cable |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3709992B2 (en) |
| CN (1) | CN100394514C (en) |
| TW (1) | TWI336892B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4834199B2 (en) * | 2005-01-17 | 2011-12-14 | 株式会社潤工社 | Flat cable |
| JP5032006B2 (en) * | 2005-07-05 | 2012-09-26 | 株式会社潤工社 | Flat cable |
| JP2007020342A (en) * | 2005-07-08 | 2007-01-25 | Shibuya Kogyo Co Ltd | Coaxial cable processing method and its device |
| JP2007280765A (en) * | 2006-04-06 | 2007-10-25 | Yokowo Co Ltd | Electric connector |
| CN102684110B (en) * | 2011-03-15 | 2015-04-01 | 阿尔卑斯电气株式会社 | Method for removing coated material of flat cable |
| US10250005B2 (en) | 2014-02-24 | 2019-04-02 | Hubbell Incorporated | Cable installation aid for multi-strand electrical conductors |
| TWI569551B (en) * | 2015-08-06 | 2017-02-01 | 深圳市南士科技股份有限公司 | A method for producing cables with water resistant core wire structures |
| CN109994280A (en) * | 2017-12-29 | 2019-07-09 | 深圳市联嘉祥科技股份有限公司 | A kind of novel portable cable |
| EP3900133A1 (en) | 2018-12-21 | 2021-10-27 | 3M Innovative Properties Company | Electrical power cable preparation device |
| BR112022012941A2 (en) | 2019-12-31 | 2022-09-13 | 3M Innovative Properties Co | LOCAL PARTIAL DISCHARGE MONITORING |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11353955A (en) * | 1998-06-05 | 1999-12-24 | Ace Five:Kk | Flat cable terminal structure and connector for connecting same |
| US6148510A (en) * | 1996-11-07 | 2000-11-21 | Sumitomo Electric Industries, Ltd. | Method for producing terminal wire connection |
| US20010022234A1 (en) * | 1999-07-09 | 2001-09-20 | Nissei Electric Co., Ltd. | End-processed coaxial cable structures and methods for producing the same |
| CN1747076A (en) * | 2004-09-09 | 2006-03-15 | Kel株式会社 | Flat cable |
-
2003
- 2003-03-11 JP JP2003064293A patent/JP3709992B2/en not_active Expired - Lifetime
-
2004
- 2004-02-04 TW TW93102491A patent/TWI336892B/en active
- 2004-02-24 CN CNB2004100076859A patent/CN100394514C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6148510A (en) * | 1996-11-07 | 2000-11-21 | Sumitomo Electric Industries, Ltd. | Method for producing terminal wire connection |
| JPH11353955A (en) * | 1998-06-05 | 1999-12-24 | Ace Five:Kk | Flat cable terminal structure and connector for connecting same |
| US20010022234A1 (en) * | 1999-07-09 | 2001-09-20 | Nissei Electric Co., Ltd. | End-processed coaxial cable structures and methods for producing the same |
| CN1747076A (en) * | 2004-09-09 | 2006-03-15 | Kel株式会社 | Flat cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3709992B2 (en) | 2005-10-26 |
| TW200506972A (en) | 2005-02-16 |
| JP2004273333A (en) | 2004-09-30 |
| CN1530965A (en) | 2004-09-22 |
| TWI336892B (en) | 2011-02-01 |
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| GR01 | Patent grant | ||
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Granted publication date: 20080611 |
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