CN105489288A - Flat cable and method for manufacturing the same - Google Patents
Flat cable and method for manufacturing the same Download PDFInfo
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- CN105489288A CN105489288A CN201510644712.1A CN201510644712A CN105489288A CN 105489288 A CN105489288 A CN 105489288A CN 201510644712 A CN201510644712 A CN 201510644712A CN 105489288 A CN105489288 A CN 105489288A
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Abstract
The invention relates to a flat cable used for protecting conductors of a tail end part which is connected with a connector and effectively preventing stripping of the conductor from an insulator during connection of the connector. The flat cable (10) adheres to an insulating film in a manner of clamping conductors (2) from two sides of the plurality of parallel conductors (2), and has a tail end part (1) used for connection with the connector. in the tail end part (1), the conductors (2) are exposed from one face except the front ends, and are pasted with the insulating film (3b) in the other face, the front ends of the conductors (2) are pasted with reinforcing films (4) protruding from the insulating film (3b) in the other face, and in one face protective films (5) are pasted on the conductors (2).
Description
Technical field
The present invention relates to a kind of that many conductors are arranged side by side, cover from its two sides laminating dielectric film, and there is flat cable and the manufacture method thereof of the terminal part connected for connector.
Background technology
In electronics, electric equipment in distribution, many conductors are mostly made to utilize the flat cable of the flexibility of the integrations such as dielectric film side by side.In flat cable, with regard to shape, there are the cable using strap, the cable using circular wire conductor, also have the cable with function of shielding.
Fig. 9 is the figure of the example representing the flat cable recorded in patent documentation 1.Many conductors 102 are arranged in parallel by flat cable, from fitting dielectric film and form insulating cover 103 up and down.At terminal part 101 place of flat cable, expose in the end of a face side conductor 102 of insulating cover 103.The face of opposition side is pasted strengthening membrane 104, and this terminal part 101 is strengthened, be set to and can insert to connector the structure connected.Herein, the leading section 104a of strengthening membrane 104 is set to the shape protruded than the leading section 102a of the conductor 102 and leading section 103a of insulating cover 103.And, protrude and the stage portion applying potting resin 105 of formation to the leading section 104a due to strengthening membrane 104.Thus, can be set to and the change sharply of front end geometry is relaxed and makes insertion force during insertion change mild structure, in addition, the bonding interface between conductor 102 and insulating cover 103 utilizes potting resin 105 inaccessible, therefore, it is possible to suppress peeling off of conductor 102 and insulating cover 103.
Figure 10 is the figure of other example representing the flat cable recorded in patent documentation 1.The structure of Figure 10 is in the same manner as above-mentioned Fig. 9, insulating cover 103 is formed from the dielectric film of laminating up and down of conductor 102 arranged side by side, at terminal part 101 place, expose in the end of a face side conductor 102 of insulating cover 103, paste strengthening membrane 104 in the side, face of opposition side and strengthen, but be set to following structure: the leading section 103a of the insulating cover of the side, face of stickup strengthening membrane 104 is protruded than the leading section 102a of conductor 102, and bend in the mode of the leading section 102a covering conductor, and cover the bonding interface between conductor 102 and insulating cover 103.
Figure 11 is the figure of other the example representing the flat cable recorded in patent documentation 1.The structure of Figure 11, in the same manner as above-mentioned Fig. 9, forms insulating cover 103 from the dielectric film of laminating up and down of conductor 102 arranged side by side, at terminal part 101 place, exposes in the end of a face side conductor 102 of insulating cover 103.Paste strengthening membrane 104 in the face of opposition side and this terminal part is strengthened.The leading section 102a of conductor 102 is protruded than the leading section 103a of insulating cover, and the leading section 104a of strengthening membrane 104 is also protruded.And the leading section 102a of conductor 102 bends in the mode of the leading section 103a covering insulating cover 103, and be adhered to the inner side of the protrusion of strengthening membrane 104.
Patent documentation 1: Japanese Unexamined Patent Publication 2005-63744 publication
In flat cable, usually its terminal part is inserted in the connector of socket type, the conductor exposed is contacted with the contact chip in connector, thus be electrically connected at terminal part.
But, the contact chip of connector is usually set to and carries out elasticity pressing to the conductor surface of the terminal part of flat cable and attempt to maintain good electrical contact and confining force, therefore, when the terminal part of flat cable is inserted connector, the front end of terminal part is subject to larger stress at its insertion initial stage.Now because the conductor of flat cable utilizes the formation such as thinner soft copper, therefore mechanical strength is not necessarily large, sometimes peels off from dielectric film due to the oppressive force when connecting to the insertion of connector or friction sliding contact.
In this case, the electrical connection between flat cable and connector is likely damaged.In addition, when the terminal part of flat cable is inserted connector, when connecting when not noticing state as above, even if seem at first not connect defect, but after all there is the possibility that broken string or the short circuit with adjacent conductor occur.
In the structure of above-mentioned patent documentation 1, by arranging potting resin in stickup and the leading section of the conductor of insulating cover, or the leading section of conductor is bent, and prevents peeling off between conductor portion and dielectric film, but the thickness of flat cable is different from conductor exposed division office at leading section.Therefore, sometimes owing to flat cable to be inserted the angle of connector, or contact due to the surrounding of flat cable front end with the insert port of connector, and cause conductor front end to be peeled off from insulating cover.
Summary of the invention
The present invention proposes in view of above-mentioned actual conditions, its object is to the manufacture method that a kind of flat cable and this flat cable are provided, this flat cable utilizes insulating cover to cover conductor, and at terminal part place, a part for conductor is exposed and connector connection can be carried out, it can effectively prevent the conductor front end when connector connects from peeling off from insulating cover.
Flat cable involved in the present invention to be fitted dielectric film from the two sides in the face arranged side by side of many conductors arranged side by side in the mode clipping this conductor; and there is the terminal part connected for connector; in this flat cable; at described terminal part place; described conductor is except exposing in an external face of front end; paste with described dielectric film in another face; the front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in a described face on described conductor bonding protective film.
In addition, the manufacture method of flat cable involved in the present invention has: by step arranged side by side for many conductors, and form the step of flat cable, wherein, this flat cable to be fitted dielectric film from the two sides in the face arranged side by side of described conductor arranged side by side in the mode clipping this conductor, and there is the terminal part connected for connector, in the step of this formation flat cable, by described conductor, described dielectric film, be arranged at the strengthening membrane of the reinforcement of described terminal part, and protect the diaphragm of described conductor to fit, by this laminating, at described terminal part place, described conductor is except making described conductor expose in an external face of front end, paste with described dielectric film in another face, the front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in side, a described face on described conductor bonding protective film.
The effect of invention
According to the present invention, the manufacture method of a kind of flat cable and this flat cable can be provided, this flat cable utilizes insulating cover to cover conductor, and at terminal part place, a part for conductor exposed and connector connection can be carried out, conductor when it can effectively prevent connector from connecting and the stripping between insulator.
Accompanying drawing explanation
Fig. 1 is the figure of the structure of an execution mode for illustration of flat cable involved in the present invention.
Fig. 2 is the figure of the state illustrated when being inserted to connector by flat cable.
Fig. 3 is the figure of the execution mode of manufacture method for illustration of flat cable involved in the present invention.
Fig. 4 is the figure of other execution mode of manufacture method for illustration of flat cable involved in the present invention.
Fig. 5 is the figure of the structure of the flat cable gone out for illustration of other execution mode lamination of the manufacture method utilizing flat cable involved in the present invention.
Fig. 6 is the figure representing the result that flat cable is evaluated relative to the plug method of connector and stripping now.
Fig. 7 is other the figure representing the result that flat cable is evaluated relative to the plug method of connector and stripping now.
Fig. 8 is the figure of the state representing the cable ends corresponding relative to the plug method of connector with flat cable.
Fig. 9 is the figure of the example representing the flat cable recorded in patent documentation 1.
Figure 10 is the figure of other example representing the flat cable recorded in patent documentation 1.
Figure 11 is the figure of other example another representing the flat cable recorded in patent documentation 1.
The explanation of label
1 ... terminal part, 2 ... conductor, 3b ... dielectric film, 3a ... dielectric film, 3 ... insulating cover, 4 ... strengthening membrane, 5 ... diaphragm, 10 ... flat cable, 11 ... connector, 12 ... contact chip, 13 ... housing, 14 ... cable connecting part, 20 ... mould, 21 ... mould, 101 ... terminal part, 102 ... conductor, 102a ... leading section, 103 ... insulating cover, 103a ... the leading section, 104 of insulating cover ... strengthening membrane, 104a ... the leading section, 105 of strengthening membrane ... potting resin.
Embodiment
First enumerate embodiments of the present invention and be described.(1) invention involved by flat cable of the application to be fitted dielectric film from the two sides of many conductors arranged side by side in the mode clipping this conductor; and there is the terminal part connected for connector; in this flat cable; at described terminal part place; described conductor is except exposing in an external face of front end; paste with described dielectric film in another face; the front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in a described face on described conductor bonding protective film.Thus; utilizing insulator, conductor is covered; and at terminal part place, a part for conductor exposed and can carry out in the flat cable of connector connection; can protect the insulator of the terminal part for being connected with connector, and the stripping of conductor when can effectively prevent connector from connecting and insulator.
(2) aggregate thickness of the aggregate thickness of the described strengthening membrane at the front end place of preferred described conductor, described conductor and described diaphragm, the described strengthening membrane with described conductor exposed division place, described dielectric film and described conductor is equal.Thereby, it is possible to the terminal part being used for connector connection is set to uniform thickness, the disengaging/embedding to connector successfully can be carried out.
(3) invention involved by manufacture method of the flat cable of the application has: by step arranged side by side for many conductors, and form the step of flat cable, wherein, this flat cable to be fitted dielectric film from the two sides in the face arranged side by side of described conductor arranged side by side in the mode clipping this conductor, and there is in end the terminal part connected for connector, in the step of this formation flat cable, by described conductor, described dielectric film, be arranged at the strengthening membrane of the reinforcement of described terminal part, and protect the diaphragm of described conductor to fit, by this laminating, at described terminal part place, described conductor is except making conductor expose in an external face of front end, bonding with described dielectric film in another face, the front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in side, a described face on described conductor bonding protective film.Thus; a kind of insulator to the terminal part for being connected with connector can be provided to protect; and the manufacture method of the flat cable of conductor when can effectively prevent connector from connecting and the stripping of insulator; wherein this flat cable utilizes insulator to cover conductor, and at terminal part place, a part for conductor is exposed and can carry out connector connection.
[detailed contents of embodiments of the present invention]
With reference to accompanying drawing, flat cable involved in the present invention and the execution mode of manufacture method thereof are described.In addition, the invention is not restricted to these and illustrate, comprise by shown in claim, all changes in the content that is equal to claim and scope.
Fig. 1 is the figure of the structure of an execution mode for illustration of flat cable involved in the present invention.Flat cable 10 is set to following structure: by many conductors 2 side by side in the plane (the depth direction of Fig. 1), 2 dielectric films being fitted on its top and bottom from the both sides (being upper and lower Fig. 1) in the face arranged side by side of conductor 2 arranged side by side and forming insulating cover 3, being provided with the terminal part 1 for being connected with connector at least one end of its length direction.
The insulating film forming insulating cover 3, as used the film of polyester resin, forms the adhesive linkage of thermoplastic resin or heat-curing resin at film inner surface.The dielectric film of fitting from the two sides of conductor 2 configures in respective adhesive linkage mode in opposite directions, integrated with conductor 2 and fit by thermo-compressed.Strengthening membrane 4 such as uses the film of polyester resin, uses the film that thickness compared with dielectric film is thicker.
Conductor 2 can use such as to the round conductor of soft copper implement zinc-plated after, extended, rolling and the conductor obtained, or the conductor etc. obtained with Rack cut-out by the tape conductor of wide cut can be used, such as, use the zinc-plated soft copper of thickness 0.025 ~ 0.035 μm, width about 0.3 ~ 0.8mm.Many conductors 2 are arranged in parallel with the spacing of regulation, utilize insulating cover 3 to carry out electric insulation.Be formed as the flat cable of the flexibility with flexibility and sliding as a whole.
The terminal part 1 of flat cable 10 does not all cover the region P1 of dielectric film in the length direction leading section of conductor 2 any surface had on the two sides of conductor 2.And in region P2 inside the length direction that rises at the region P1 of the leading section never covered by dielectric film of conductor 2, the conductor 2 of the side, a face (diagram upside) in the two sides of conductor 2 exposes.In the P2 of region, another face (diagram downside) of conductor 2 is pasted with insulating cover 3.
In addition, in the face (illustrating downside) of the opposition side, face of exposing with conductor 2, for the conductor 2 in the region P1 of leading section and the part of insulating cover 3 (dielectric film) that covers in the inner side in the region of leading section, paste strengthening membrane 4.And, in the side, face that conductor 2 exposes, the conductor 2 of the region P1 of leading section is pasted with diaphragm 5.
The thickness of the end section (P1 part and P2 part) of flat cable 10 is such as before and after 0.31mm.
The length of the length direction of the region P1 of laminating diaphragm 5 is such as about 0.5 ~ 2mm, and the length in the region be combined by the region P2 inside the region P1 of leading section and its is such as about 3 ~ 5mm.In addition, the length of the length direction of the strengthening membrane 4 pasted in opposition side is such as about 4 ~ 6mm.
Fig. 2 is the figure of the state illustrated when flat cable being inserted connector.The terminal part 1 of the flat cable 10 formed as shown in Figure 1 above such as shown in Figure 2, is inserted in the connector (jack) 11 containing multiple contact chips 12.And the conductor 2 exposed in side, a face forms the electrical connection with connector 11 by contacting with the contact chip 12 of connector 11.
In the flat cable 10 of said structure, the leading section of conductor 2 and the leading section of strengthening membrane 4 protrude than the leading section of insulating cover 3.And the leading section of conductor 2 bends along insulating cover 3 in the mode covering the leading section of insulating cover 3, pastes at the part place that strengthening membrane 4 protrudes and this strengthening membrane 4.In addition, diaphragm 5 is pasted with in the opposition side of pasting with strengthening membrane 4 relative to conductor 2 in the front end of conductor 2.
When terminal part 1 inserts relative to connector 11, the leading section of flat cable 10 abuts with the contact chip 12 of connector 11, and is pushed open by contact chip 12.At the leading section of flat cable 10, be fitted with strengthening membrane 4 and diaphragm 5 respectively on the two sides of conductor 2, therefore, it is possible to protect conductor 2 and prevent its damage, distortion etc.Conductor 2 is reinforced film 4 and diaphragm 5 presses, and therefore conductor 2 can not be peeled off from strengthening membrane 4.
And if flat cable 10 inserts to connector 11 further, then the conductor 2 exposed in the one side side of flat cable 10 contacts with the contact chip 12 of connector 11, form electrical connection.
Herein, due to the leading section of flat cable 10, and contact chip 12 is pushed open about to a certain degree, under the state of the drag reduction produced in the elasticity inserting initial contact chip 12, conductor 2 contacts with contact chip 12, therefore with when inserting in the early stage directly apply compared with the situation of resistance, the stripping of conductor 2 and insulating cover 3 can be suppressed to conductor 2.
Fig. 3 is the figure of the execution mode of manufacture method for illustration of flat cable involved in the present invention, the figure of Fig. 3 (A) to be the figure for illustration of hot pressing process, Fig. 3 (B) be cross-section structure representing the flat cable utilizing hot pressing process to make.
In Fig. 3 (A); flat cable 10 by utilizing thermoprint (hot pressing), the many piece conductors 2 arranged side by side in paper depth direction, the dielectric film 3a, the 3b that fit from the two sides (up and down) of conductor 2, strengthening membrane 4 and diaphragm 5 are intensively fitted and integration and make.The insulating cover 3 of flat cable 10 is formed by the dielectric film 3a, the 3b that fit up and down from conductor 2.
Herein, between the upper and lower mould 20,21 of the compacting for carrying out thermoprint, from upside, in order dielectric film 3a and diaphragm 5, many conductor 2, dielectric film 3b and strengthening membranes 4 arranged side by side are configured in assigned position.Dielectric film 3a, 3b are formed with the adhesive linkage of thermoplastic resin or heat-curing resin, and configure in respective adhesive linkage mode in opposite directions.In addition, mould 20,21 temperature adjustment to can by each layer thermo-compressed the temperature of integration.Then, close die 20,21, suppresses each layer configured betwixt with authorized pressure crimping.
By above-mentioned hot pressing, the flat cable of the structure shown in Fig. 3 (B) can be obtained.Fig. 3 (B) represents the cross-section structure of the part that conductor 2 exists.
Herein, the downside laminating strengthening membrane 4 at length direction (diagram left and right directions) both ends of the dielectric film 3b in downside.Then, many conductors 2 of fitting in the upside of the dielectric film 3b of downside, but at both ends place, conductor 2 protrudes laterally than the dielectric film 3b of downside.In addition, diaphragm 5 is configured with in the upside of the part of Tu Chuing.Thus, by the pressure of hot pressing, across diaphragm 5, conductor 2 is pressed downwards, the downward lateral buckling along the end of dielectric film 3b.At the front place compared with the part occurring to bend, conductor 2 contacts with strengthening membrane 4, and conductor 2 and strengthening membrane 4 are fitted.
There is the front end of the conductor 2 bent, at the opposition side of strengthening membrane 4 laminating diaphragm 5.In addition, at the upside of conductor 2 laminating dielectric film 3a.Dielectric film 3a, 3b utilize the heat of hot pressing and soften and increase morphotropism, to enter between many conductors 2 and to clip conductor 2, thermally crimping and integrated.Form insulating cover 3 thus.
Fig. 4 is the figure of other the execution mode for illustration of the manufacture method of flat cable involved in the present invention, the figure of Fig. 4 (A) to be the figure for illustration of lamination operation, Fig. 4 (B) be cross-section structure representing the flat cable utilizing lamination operation to make.
In Fig. 4 (A); many conductors 2 arranged side by side, the dielectric film 3a, the 3b that fit from the two sides (up and down) of conductor 2, strengthening membrane 4 and diaphragm 5 are utilized lamination process and concentrate, continuously laminating and integrated, be that monolithic makes flat cable 10 by the rectangular lamination process product cutting of integration.
Dielectric film 3a, 3b of flat cable 10 supply continuously with the form of the band shape in inner side with bond layer.On the rectangular dielectric film 3a of a side, be provided with adjacent 2 window portions 31,32 at predetermined intervals continuously.These window portions 31,32 become the opening portion on the face of the terminal part place of flat cable 10 except front end, conductor 2 being exposed.
In addition, on the rectangular dielectric film 3b of the opposing party, window portion 33 is provided with at predetermined intervals.This window portion 33 becomes the strengthening membrane 4 relative to pasting in window portion 33, the part that conductor 2 is directly pasted.
To in laminating roll 40, import many conductors 2 arranged side by side and respectively at dielectric film 3a, 3b of the both sides in this face arranged side by side.Dielectric film 3a, 3b are formed with the adhesive linkage of thermoplastic resin or heat-curing resin, and are configured to respective adhesive linkage in opposite directions.In addition, each dielectric film 3a, 3b are directed in laminating roll 40 in the mode of the window portion 33 of the dielectric film 3b of the opposing party between 2 window portions 31,32 of the dielectric film 3a of a side.
Conductor 2 utilizes dielectric film 3a, 3b clip and crimp by laminating roll 40 from both sides, and by its integration.In addition, at least one party of laminating roll 40 can be set to and temperature adjustment corresponding with the kind of the bonding agent applied dielectric film 3a, 3b warm-up mill to the temperature specified.
Relative to conductor 2 and dielectric film 3a, 3b of utilizing laminating roll 40 integration, paste strengthening membrane 4 in the mode in the window portion 33 covering dielectric film 3b.
Fig. 5 (A) represents that the conductor after relative to lamination 2 and dielectric film 3a, 3b paste the figure of the state of strengthening membrane 4.In a face (upside of Fig. 5 (A)) of conductor 2, in the region in the window portion 31,32 of dielectric film 3a, conductor 2 exposes.The dielectric film 3a be present between window portion 31 and window portion 32 is the part worked as diaphragm 5.That is, in the present example, dielectric film 3a and diaphragm 5 are made up of the film of same material.
In another face (downside of Fig. 5 (B)) of conductor 2, the window portion 33 of the dielectric film 3b of downside is configured in the position between the window portion 31,32 of the dielectric film 3a of upside.And, paste strengthening membrane 5 in the mode covering this window portion 33 from downside.Under the state being pasted with strengthening membrane 5, from crimping up and down, thus the part place in the window portion 33 of dielectric film 3b in downside, conductor 2 bends, and strengthening membrane 4 directly contacts with conductor 2.It is cut off at off-position C place, thus the flat cable 10 shown in Fig. 5 (B) can be obtained.The diaphragm 5 of Fig. 5 (B) utilizes a part of dielectric film 3a to be formed.In addition, also can be substituted in structure dielectric film 3a being adjacent to the window portion 31,32 arranged, and the opening comprising both window portions 31,32 is set, after dielectric film 3a is laminated on conductor 2, bonding protective film 5 separately on this opening.
(fissility evaluation result)
Use the flat cable 10 of said structure, according to evaluation method shown below, the peel property of the flat cable 10 involved by embodiments of the present invention is evaluated.
First, confirm that insulating cover 3 and conductor 2 are with or without peeling off when relative to connector more than 11 plug flat cable 10.Fig. 6 is the figure representing the result that flat cable 10 is evaluated relative to the plug method of connector 11 and stripping now.As used sample, use sample 1 and the sample 2 of the structure of current use (structure of Figure 11) as a comparison case of the structure shown in above-mentioned Fig. 1.
Herein as shown in Fig. 6 (A), when flatly being arranged by connector 11, relative to this connector 11, plug flat cable 10 in the horizontal direction.That is, from the frontal of connector 11, without the need to making flat cable 10 tilt vertically and horizontally, and flat cable 10 is inserted in connector 11.
Then, repeatedly repeat flat cable 10 relative to the plug of connector 11, and to the conductor 2 of the front end of flat cable 10 and insulating cover 3 with or without peeling off (conductor peels off), and copper body confirms with or without exposing.The tin coating exposing the surface referring to the conductor 2 employing zinc-plated soft copper of copper body peels off, and the state that the copper body of inside exposes.If when conductor 2 is relative to connector 11 sliding contact, due to its opposing, the tin coating of conductor 2 is scraped and copper body exposes, then can produce the decline of the energising characteristic that the oxidation due to copper causes, and not preferred.
Fig. 6 (B) represents when being plugged relative to connector 11 by flat cable 10, with or without the figure of the result that conductor peels off.In the sample 1 of the structure of embodiments of the present invention, if plug number of times is more than or equal to 50 times, then the copper body can observing conductor 2 exposes.In addition, for peeling off of conductor 2 and insulating cover 3, insert till time counting to 60 times and all can not peel off.
On the other hand, in sample 2 as a comparison case, the result identical with sample 1 is also obtained.Namely, such as shown in this evaluation, when flat cable 10 is carried out plugging relative to connector 11 in the horizontal direction, if plug number of times is more than or equal to 50 times, then can observe exposing of the copper body of conductor, in the scope of 10 ~ 60 times, peeling off of conductor 2 and insulating cover 3 can not be there is in plug number of times.
Below, change angle when being inserted to connector 11 by flat cable 10, carry out the plug relative to connector 11, and have rated the state of the leading section of flat cable 10.The setting example of this angle shown in Figure 7.
Fig. 7 (A) represents the plug orientation of flat cable 10 relative to connector 11.Set out as plug orientation: connector 11 is arranged on horizontal direction, relative to this connector 11 from top plug flat cable 10 direction (direction, top U), plug the direction (horizontal direction H) of flat cable relative to connector 11 in the horizontal direction and plug the direction (direction, below D) of flat cable 10 relative to connector 11 from below.
Fig. 7 (B) represents that flat cable 10 of sening as an envoy to collides relative to the housing 13 of connector 11, then contacts while insert the example of flat cable 10 with housing 13.Herein, under the state that the cross-sectional length direction making flat cable 10 relative to the housing 13 of connector 11 tilts, flat cable 10 and housing 13 are collided, then makes flat cable 10 contact with housing 13, while inserted by flat cable 10 in the cable connecting part 14 in housing 13.This situation is set to the insertion of housing collision.The tilt angle theta 1 of the Width of the flat cable 10 in the cross-sectional length direction relative to housing 13 is set to the scope of 5 ~ 20 °.
Fig. 7 (C) is the figure from top view connector 11 and flat cable 10, connector 11 relative to being set to level being shown, plugging the example of flat cable 10 to keep the level adipping of flat cable 10 (incline direction S) to tilt.Herein, the frontal of connector 11 and the direction of insertion angulation θ 2 of flat cable 10 set at random in the scope of 5 ~ 30 °.
Fig. 8 is the figure of the state representing the cable ends corresponding relative to the plug method of connector with flat cable.Herein, as plug method, determine respectively flat cable 10 relative to connector 11 direction of insertion and pull out direction.Direction of insertion and pull out direction setting for any one shown in above-mentioned Fig. 7.And, the state of the plug number of times of flat cable 10 and flat cable 10 front end is now evaluated.
In No.1 ~ No.6, for direction of insertion and pull out direction, by the horizontal direction (H) shown in Fig. 7 (A), Fig. 7 (B), direction, top (U), direction, below (D), incline direction (S) combination and carried out plugging test.In addition, in No.7, No.8, evaluate by the insertion of the collision as shown in Fig. 7 (C) with to horizontal direction (H) or the pulling out combination of incline direction (S).In each condition, carry out the plug of 100 flat cables 10 relative to connector 11, in the event of an abnormality, stop plug in this moment.
The sample used is set to the sample 1 of the structure with the execution mode involved in the present invention shown in above-mentioned Fig. 1 and the sample 2 of above-mentioned existing structure (structure of Figure 11).Its result, in sample 1, in No.1 ~ No.8 in any one state, all the conductor do not produced in flat cable 10 peels off.On the other hand, in sample 2 as a comparison case, flat cable 10 is being inserted connector 11 No.3 pulled out with horizontal direction with incline direction and to insert with incline direction and in the No.4 pulled out with incline direction, only inserting and just produce conductor for 1 time and tilt.Conductor tilts and refers to that the part that conductor 2 exposes is peeled off from the dielectric film 3b of the downside of this conductor 2, and becomes the state of tilting.
In addition, insert in connector 11 flat cable 10 is collided by housing, in No.7, No.8 of pulling out with horizontal direction or incline direction, only insert and peel off with regard to the front end that flat cable 10 occurs for 1 time.The front end referred at flat cable 10 is peeled off in front end, the situation that conductor 2 peels off from strengthening membrane 4.
Above-mentioned result is, even if when plugging flat cable 10 from various angle relative to connector 11, in the structure of execution mode involved in the present invention, when flat cable 10 is connected with connector 11, conductor 2 also can not be peeled off from insulating cover 3, can effectively prevent conductor from peeling off.
In addition, the conductor 2 in the fore-end of flat cable 10 is measured relative to the bonding force of dielectric film 3b.If assay method is described with Fig. 3 (B), cut channel is arranged at the front position of the end side of a face (diagram upside) the upper dielectric film 3a pasted at conductor 2 and conductor 2 is cut off, from this cut-off parts towards front, by a part for conductor 2 from the dielectric film 3b strip off of pasting in another face (diagram downside).Then, the conductor 2 from a dielectric film 3b strip off part is clipped on cupping machine, is measured the bonding force with dielectric film 3b by 180 ° of strippings (direction of delaminate is 180 °).
Its result, in sample 1 (embodiments of the present invention), bonding force is the mean value of 10 examples is 1.22kg, and in sample 2 (in the structure of Figure 11 conventional example), bonding force is the mean value of 10 examples is 0.43kg.That is, in the sample 1 involved by embodiments of the present invention, compared with the sample 2 of conventional example, bonding force has been increased substantially.That is, according to the structure of execution mode involved in the present invention, the conductor 2 of front end and insulating cover 3 are difficult to peel off, and effectively can prevent stripping when inserting to connector.
According to above-mentioned result, obtain protecting the conductor 2 of the terminal part 1 for being connected with connector 11, and the flat cable 10 of the stripping of conductor 2 when can effectively prevent connector from connecting and insulating cover 3.
Claims (3)
1. a flat cable, it to be fitted dielectric film from the two sides of many conductors arranged side by side in the mode clipping this conductor, and has the terminal part connected for connector,
In this flat cable,
At described terminal part place, described conductor, except exposing in an external face of front end, is pasted with described dielectric film in another face,
The front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in a described face on described conductor bonding protective film.
2. flat cable according to claim 1, wherein,
The aggregate thickness of the aggregate thickness of the described strengthening membrane at the front end place of described conductor, described conductor and described diaphragm, the described strengthening membrane with described conductor exposed division place, described dielectric film and described conductor is equal.
3. a manufacture method for flat cable, it has:
By step arranged side by side for many conductors; And
Form the step of flat cable, wherein, this flat cable to be fitted dielectric film from the two sides in the face arranged side by side of described conductor arranged side by side in the mode clipping this conductor, and has the terminal part connected for connector in end,
In the step of this formation flat cable, by described conductor, described dielectric film, be arranged at the reinforcement of described terminal part strengthening membrane and protect the diaphragm of described conductor to fit,
By this laminating; at described terminal part place; described conductor is except making conductor expose in an external face of front end; bonding with described dielectric film in another face; the front end of described conductor is pasted with the strengthening membrane protruded from described dielectric film in another face described, in side, a described face on described conductor bonding protective film.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-206050 | 2014-10-07 | ||
| JP2014206050A JP6354511B2 (en) | 2014-10-07 | 2014-10-07 | Flat cable and flat cable manufacturing method. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105489288A true CN105489288A (en) | 2016-04-13 |
Family
ID=55676223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644712.1A Pending CN105489288A (en) | 2014-10-07 | 2015-10-08 | Flat cable and method for manufacturing the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6354511B2 (en) |
| KR (1) | KR101850188B1 (en) |
| CN (1) | CN105489288A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786006A (en) * | 2019-01-30 | 2019-05-21 | 佛山市顺德区禾惠电子有限公司 | A kind of two-way signal transmission FFC line and preparation method thereof |
| CN112106151A (en) * | 2018-04-27 | 2020-12-18 | 住友电气工业株式会社 | Shielded flat cable |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11217918B2 (en) | 2016-07-28 | 2022-01-04 | 3M Innovative Properties Company | Electrical cable |
| KR102554573B1 (en) * | 2020-08-24 | 2023-07-12 | 신명규 | Multi-wire embedding head and manufacturing apparatus for flexible cable using the same |
| CN114464351B (en) * | 2021-12-31 | 2023-08-01 | 无锡辰安光电有限公司 | Parallel cable and extrusion molding process system thereof |
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- 2015-10-08 CN CN201510644712.1A patent/CN105489288A/en active Pending
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| JP2005063744A (en) * | 2003-08-08 | 2005-03-10 | Sumitomo Electric Ind Ltd | Flat cable |
| JP2005078812A (en) * | 2003-08-29 | 2005-03-24 | Shibata:Kk | Flexible flat cable assembly and its manufacturing method |
| CN201084474Y (en) * | 2007-08-29 | 2008-07-09 | 天瑞电子科技发展(昆山)有限公司 | An improved structure of flexible ribbon cable |
| CN201345438Y (en) * | 2008-12-12 | 2009-11-11 | 苏州精实电子科技有限公司 | Electric connector |
| KR20110006148A (en) * | 2009-07-13 | 2011-01-20 | 함원상 | Flexible flat cable |
| CN102959803A (en) * | 2011-06-16 | 2013-03-06 | 住友电气工业株式会社 | Flat cable and method for manufacturing same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112106151A (en) * | 2018-04-27 | 2020-12-18 | 住友电气工业株式会社 | Shielded flat cable |
| CN112106151B (en) * | 2018-04-27 | 2022-07-08 | 住友电气工业株式会社 | Shielded flat cable |
| CN109786006A (en) * | 2019-01-30 | 2019-05-21 | 佛山市顺德区禾惠电子有限公司 | A kind of two-way signal transmission FFC line and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6354511B2 (en) | 2018-07-11 |
| JP2016076381A (en) | 2016-05-12 |
| KR20160041801A (en) | 2016-04-18 |
| KR101850188B1 (en) | 2018-04-18 |
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