CN103414046A - HDMI cable applied to HD video/audio playback device and manufacturing method - Google Patents
HDMI cable applied to HD video/audio playback device and manufacturing method Download PDFInfo
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- CN103414046A CN103414046A CN2013102409507A CN201310240950A CN103414046A CN 103414046 A CN103414046 A CN 103414046A CN 2013102409507 A CN2013102409507 A CN 2013102409507A CN 201310240950 A CN201310240950 A CN 201310240950A CN 103414046 A CN103414046 A CN 103414046A
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Abstract
The invention provides an HDMI cable applied to HD video/audio playback device and a manufacturing method. The HDMI cable comprises a stranded wire flexible flat cable (FFC) of a parallel structure and an HDMI connector. The HDMI connector comprises an insulated body, a connecting terminal, a metal shell, an insulation supporting body and an insulation pressing cover, wherein the insulated body comprises a front part and a rear part, and an insertion slot of the front part is provided with upper and lower fixing grooves; the insulation supporting body is provided with crimping grooves and is arranged on the rear part of the insulated body; the connecting terminal is composed of two rows of terminals forming oppositely inserted elastic sheets, and all crimping parts extend into the corresponding crimping grooves; and the insulation pressing cover is provided with a clamping groove, the clamping groove is provided with a plurality of grids for fixing transmission metal wires of the FFC, and the cover is arranged on the insulation supporting body so that the connecting terminal in the crimping groove and the transmission metal wires in the clamping groove are in crimping connection. According to the HDMI cable applied to HD video/audio playback device and the manufacturing method, the HDMI cable of a parallel structure and the single-row contact type Pin slots are adopted, the process is simplified, the manual operation is reduced, the production efficiency is improved, and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to the holding wire technical field, relate in particular to a kind of HDMI(High Definition Multimedia Interface that is applied to HD video/audio-frequence player device, HDMI (High Definition Multimedia Interface)) line and preparation method thereof.
Background technology
HDMI is a kind of digitized video/audio interface technology, is widely used in HD video/audio transmission.Mainly containing on the market the HDMI line of 4 kinds of forms, is respectively A Type, B Type, C Type and D Type, and wherein B Type is 29pin, A, C, D are 19pin, A Type is the HDMI line of standard, and C Type is mainly used in mancarried device, such as: DV, digital camera etc.D Type belongs to mini-port, is mainly used in mobile phone, MP4, MP5 etc.
There is following defect in the standard HDMI line of traditional A Type:
1) traditional HDMI line is used the twisted wire structure, need to carry out sequence of operations to it, comprises de-outer quilt, the dealuminzation paper tinsel, sleeve-penetrating, hot blast blowpipe, separated time, the trimming core, after the depoling line, could carry out welding operation to it, operation is a lot of, and the separated time complex steps, rely on the definition of manual identified pin position, and carry out separated time for pin position twisted pair wire.
2) traditional HDMI line is used the whole parcel of aluminium foil twisted wire, and wraps up separately every signal transmission line and just can reach the effect of shield electromagnetic interference, and technique is loaded down with trivial details, and required human cost and material cost are high.
3) traditional HDMI line is used double row welded formula Pin groove, two rows Pin groove need to be filled to tin cream, and core is divided into to two rows welds the purpose that just can reach conducting and signal transmission.Have uncontrollable factor, fraction defective is higher, is prone to the phenomenons such as empty weldering, short circuit, causes and does over again, thereby indirectly increase manufacturing cost, affects production efficiency.
Summary of the invention
The object of the present invention is to provide a kind of HDMI line that is applied to HD video/audio-frequence player device and preparation method thereof, simplification of flowsheet, reduce manual work, enhances productivity;
Another object of the present invention is to provides a kind of HDMI line that is applied to HD video/audio-frequence player device and preparation method thereof, avoids because of phenomenons such as the sky weldering of adopting double row welded formula Pin groove to cause, short circuits, and the reduction manufacturing cost, further enhance productivity.
The objective of the invention is to be achieved through the following technical solutions:
A kind of HDMI line that is applied to HD video/audio-frequence player device, comprise twisted wire FFC and the HDMI connector that is installed on twisted wire FFC two ends,
Described twisted wire FFC comprises multiply copper stranded conductor, upper strata insulating coating and lower floor's insulating coating; The multiply copper stranded conductor discharges side by side, and its upper and lower surface fits with upper strata insulating coating, lower floor's insulating coating respectively, and outside the two ends of multiply copper stranded conductor are exposed to, with the crimping of HDMI connector phase;
Described HDMI connector comprises insulating body, splicing ear, metal-back, insulation support body and insulation gland; Wherein,
Described insulating body comprises front and rear; Up/down surface in the slot that front portion has an antetheca and runs through antetheca and be recessed to form backward, slot all from surface upwards/lower recess is formed with some holddown grooves; Rear portion comprises a base for the installing insulating supporter;
Insulation support body has been recessed to form some crimp groove downwards from its surface, is fixedly installed on the base at insulating body rear portion;
Described splicing ear is comprised of the identical first row terminal of structure and second row terminal; First row terminal and second row terminal are the two rows subtend and arrange, include base portion, contact site and pressure contact portion, the pressure contact portion of all terminals is arranged in a row, in the holddown groove that in the time of in being assembled in insulating body, the first row terminal inserts in the holddown groove of top board, the second row terminal inserts base plate, form inserting shell fragment, all pressure contact portions stretch in corresponding crimp groove;
The insulation gland has been recessed to form a draw-in groove downwards from its inner surface, in draw-in groove, be provided with some for the fixing lattice hurdle of the multiply copper stranded conductor of twisted wire FFC, be covered on the crimp groove of insulation support body, make splicing ear and the transmission metal wire in draw-in groove in crimp groove form crimping.
Preferably, described metal-back is sheathed on the outside of insulating body.
Preferably, also comprise metal backup shoe, after the insulation gland is covered on insulation support body, be covered on the rear portion of insulating body, be positioned at outside the insulation gland.
Preferably, the dual-side of described insulation gland is provided with grab, and the dual-side correspondence of insulation support body is provided with the first hanging platform, and insulation gland and insulation support body fasten by grab and the first hanging platform.
Preferably, the both sides of described metal backup shoe are provided with hanging hole, front end is provided with link plate, with described link plate correspondence position, are provided with the correcting plate on described insulating body, and the both sides of metal-back are provided with the second hanging platform;
Metal backup shoe buckles into by the guiding of the correcting plate on link plate and insulating body, until the second hanging platform make-up on the hanging hole on metal backup shoe and metal-back.
Preferably, the outside of described twisted wire FFC also is fitted with the special characteristic impedance of one deck and controls material.
Preferably, the outer surface cover of this HDMI line has the PET mesh grid.
The manufacture method of a kind of as above arbitrary described HDMI line comprises step:
By the upper and lower surface of the multiply copper stranded conductor of discharge side by side respectively with the insulating coating laminating of upper strata insulating coating, lower floor, and, outside the two ends of described multiply copper stranded conductor are exposed to, make twisted wire FFC;
Insulating body, splicing ear, metal-back, insulation support body are assembled into to the connector splinter body;
The multiply copper stranded conductor that twisted wire FFC two ends are exposed is packed in the draw-in groove of insulation in gland;
The insulation gland left-hand thread that the multiply copper stranded conductor is housed is pressed in the connector splinter body, afterwards injection molded.
Preferably, this manufacture method also comprises step: after in the gland left-hand thread that will insulate is pressed into the connector splinter body, metal backup shoe is fastened on the insulation gland.
Preferably, this manufacture method also comprises step: after making twisted wire FFC, control material in the special characteristic impedance of the outside of this twisted wire FFC laminating one deck.
Compared with prior art, the embodiment of the present invention has following beneficial effect:
1) in the present invention, the HDMI line adopts the parallel construction of the parallel placement of multiply copper stranded conductor and the insulating coating of fitting up and down, and spacing is controlled superior, reach 0.5+/-0.05mm, do not need the definition of manual identified pin position, the maximization simplification technological process, reduced manual work, significantly improved production efficiency.Simultaneously, the structure of flat wire also makes the HDMI line more frivolous, can be applied on some ultra-thin high definition playback equipments, and more traditional HDMI line superiority is remarkable; Have long flex life, by waving number of times more than 30000 times, without short breaking phenomena, and conductor resistance rate of change<3%.
2) in the present invention, the HDMI line is parallel lines structure, rely on surface to stick on the special characteristic impedance of one deck and control material, reach the purpose of shield electromagnetic interference and control characteristic impedance, shield effectiveness is good, the characteristic impedance control range is accurate, stable, reach 100 ± 10 Ω, further guarantee the stability of signal transmission.
3) in the present invention, the HDMI line adopts single contact Pin groove, only the copper stranded conductor of parallel placement need be made in order, smooth being positioned in connector plastic glue laminated lid, with the connector splinter body, contact conducting again, then connector is fastened tightly, can reach the effect of conducting transmission signal, yield is high, strong operability, thus production efficiency improved, reduced manufacturing cost.
The accompanying drawing explanation
Fig. 1 is the explosive view of HDMI connector in the embodiment of the present invention.
Fig. 2 is the schematic diagram of the manufacturing procedure part one of HDMI line in the embodiment of the present invention.
Fig. 3 is the schematic diagram of the manufacturing procedure part two of HDMI line in the embodiment of the present invention.
Fig. 4 is the schematic diagram of the manufacturing procedure part three of HDMI line in the embodiment of the present invention.
Embodiment
The present invention is based on a kind of innovation of standard HDMI line A Type, a kind of Novel HDMI wire that is applied to HD video/audio-frequence player device, hereinafter to be referred as FFC-HDMI (Flexible Flat Cable-High Definition Multimedia Interface) line.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In the present embodiment, the FFC-HDMI line is comprised of twisted wire FFC1, HDMI connector.
One, twisted wire FFC1: by multiply copper stranded conductor 11, upper strata insulating coating 12 and 13 laminatings of lower floor's insulating coating form.The parallel placement of multiply copper stranded conductor 11 forms parallel construction, and the two ends of multiply copper stranded conductor 11 are exposed, and exposed position can be welded, and exposed position is for contacting combination with the pressing of HDMI connector.
Two, the structure of HDMI connector as shown in Figure 1, comprises splicing ear 2, metal-back 3, insulation support body 4, insulation gland 5, metal backup shoe 6, insulating body 7.Splicing ear 2, metal-back 3, insulation support body 4, insulating body 7 assemblings form the connector splinter body.
Insulating body 7 comprises integrally formed front portion 71 and rear portion 72.Anterior 71 slots 711 that have an antetheca and run through antetheca and be recessed to form backward; In slot 711, have the top board that is positioned at its top and the base plate that is positioned at its bottom, on top board and base plate, all have some holddown grooves 712 of from its surface upwards/lower recess formation.Rear portion 72 comprises a base plate, and this base plate is for assembling with insulation support body 4.
Splicing ear 2 is comprised of the identical first row terminal 21 of structure and second row terminal 22; Two row's terminals include base portion, contact site and pressure contact portion, and contact site is bent forward to extend by base portion and forms, and pressure contact portion bends extension backward by base portion.First row terminal 21 and second row terminal 22 are the two rows subtend and arrange, the pressure contact portion of all terminals is positioned at same plane, in being assembled in insulating body 7, form inserting shell fragment, after assembling the base portion of first row terminal 21 and contact site in the holddown groove 712 of top board, the base portion of second row terminal 22 and contact site in the holddown groove 712 of base plate, and the pressure contact portions of two row's terminals lay respectively in the corresponding crimp groove 41 of insulation support body 4.
Metal-back 3, comprise integrally formed housing left part and the housing right part corresponding with insulating body 7; The housing left part is sheathed on the left part of insulating body 7, and left part upper surface and lower surface are all covered, and right part is fixed in the bottom surface of the right part of insulating body 7, and the lower surface of right part is covered, and makes the upper surface of right part exposed.
The body of insulation gland 5 has been recessed to form a draw-in groove 51 downwards from its inner surface, in draw-in groove 51, is provided with some lattice hurdle, is fixed in insulation gland 5 for multiply copper stranded conductor 11 exposed parts by twisted wire FFC1.The body both sides of insulation gland 5 also are provided with front grab 52 and rear grab 53, match for the hanging platform of the dual-side with insulation support body 4, and assembling rear defence anti-avulsion falls.
In assembling process, by the twisted wire FFC1 of 7 times buttons of metal-back to the vertical good connector splinter body 4 of group, detain cover buckle, just obtain the product 8 in Fig. 4; Again its moulding external mold can be obtained to target product, can on the product outer cover, the PET mesh grid protect wire rod, increase attractive in appearance.
Particularly, to shown in Figure 4, the manufacture work flow of above-mentioned FFC-HDMI line is in conjunction with Fig. 2:
The first step: as shown in Figure 2, multiply copper stranded conductor 11, upper strata insulating coating 12,13 laminatings of lower floor's insulating coating are made to twisted wire FFC1, and material (or multiply copper stranded conductor, insulating coating and special characteristic impedance are controlled to the material laminating and make twisted wire FFC1) is controlled in the special characteristic impedance of fitting.
Second step: as shown in Figure 2, assemble mutually with plastic cement gland 2 respectively at the two ends of above-mentioned twisted wire FFC1, and the exposed multiply copper stranded conductor 11 in twisted wire FFC1 two ends is packed in the respective card slot of plastic cement gland 2.
The 3rd step: as shown in Figure 3, plastic cement gland 2 left-hand threads of the twisted wire FFC1 that will pack into are pressed into the connector splinter body.
The 4th step: will be as shown in Figure 4, metal backup shoe 6 is buckled in to the rear portion of insulating body 7.
The 5th step: the moulding external mold, carry out injection moulding to HDMI connector and twisted wire FFC1 connecting part.
The 6th step: cover PET mesh grid, the protection wire rod, increase aesthetics.
The 7th step: the two ends of this Novel HDMI wire are connected respectively to upper video/audio output and input, realize connecting, complete the transmission of HD video/audio signal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a HDMI line that is applied to HD video/audio-frequence player device, comprise twisted wire FFC and the HDMI connector that is installed on twisted wire FFC two ends, it is characterized in that,
Described twisted wire FFC comprises multiply copper stranded conductor, upper strata insulating coating and lower floor's insulating coating; The multiply copper stranded conductor discharges side by side, and its upper and lower surface fits with upper strata insulating coating, lower floor's insulating coating respectively, and outside the two ends of multiply copper stranded conductor are exposed to, with the crimping of HDMI connector phase;
Described HDMI connector comprises insulating body, splicing ear, metal-back, insulation support body and insulation gland; Wherein,
Described insulating body comprises front and rear; Up/down surface in the slot that front portion has an antetheca and runs through antetheca and be recessed to form backward, slot all from surface upwards/lower recess is formed with some holddown grooves; Rear portion comprises a base for the installing insulating supporter;
Insulation support body has been recessed to form some crimp groove downwards from its surface, is fixedly installed on the base at insulating body rear portion;
Described splicing ear is comprised of the identical first row terminal of structure and second row terminal; First row terminal and second row terminal are the two rows subtend and arrange, include base portion, contact site and pressure contact portion, the pressure contact portion of all terminals is arranged in a row, in the holddown groove that in the time of in being assembled in insulating body, the first row terminal inserts in the holddown groove of top board, the second row terminal inserts base plate, form inserting shell fragment, all pressure contact portions stretch in corresponding crimp groove;
The insulation gland has been recessed to form a draw-in groove downwards from its inner surface, in draw-in groove, be provided with some for the fixing lattice hurdle of the multiply copper stranded conductor of twisted wire FFC, be covered on the crimp groove of insulation support body, make splicing ear and the transmission metal wire in draw-in groove in crimp groove form crimping.
2. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 1, is characterized in that, described metal-back is sheathed on the outside of insulating body.
3. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 2, is characterized in that, also comprises metal backup shoe, after the insulation gland is covered on insulation support body, is covered on the rear portion of insulating body, is positioned at outside the insulation gland.
4. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 2, it is characterized in that, the dual-side of described insulation gland is provided with grab, and the dual-side correspondence of insulation support body is provided with the first hanging platform, and insulation gland and insulation support body fasten by grab and the first hanging platform.
5. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 3, it is characterized in that, the both sides of described metal backup shoe are provided with hanging hole, front end is provided with link plate, with described link plate correspondence position, are provided with the correcting plate on described insulating body, and the both sides of metal-back are provided with the second hanging platform;
Metal backup shoe buckles into by the guiding of the correcting plate on link plate and insulating body, until the second hanging platform make-up on the hanging hole on metal backup shoe and metal-back.
6. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 1, is characterized in that, the outside of described twisted wire FFC also is fitted with the special characteristic impedance of one deck and controls material.
7. the HDMI line that is applied to HD video/audio-frequence player device as claimed in claim 1, is characterized in that, the outer surface cover of this HDMI line has the PET mesh grid.
One kind as arbitrary as claim 1 to 7 as described in the manufacture method of HDMI line, it is characterized in that, comprise step:
By the upper and lower surface of the multiply copper stranded conductor of discharge side by side respectively with the insulating coating laminating of upper strata insulating coating, lower floor, and, outside the two ends of described multiply copper stranded conductor are exposed to, make twisted wire FFC;
Insulating body, splicing ear, metal-back, insulation support body are assembled into to the connector splinter body;
The multiply copper stranded conductor that twisted wire FFC two ends are exposed is packed in the draw-in groove of insulation in gland;
The insulation gland left-hand thread that the multiply copper stranded conductor is housed is pressed in the connector splinter body, afterwards injection molded.
9. the manufacture method of HDMI line as claimed in claim 8, is characterized in that, this manufacture method also comprises step: after in the gland left-hand thread that will insulate is pressed into the connector splinter body, metal backup shoe is fastened on the insulation gland.
10. the manufacture method of HDMI line as claimed in claim 8, is characterized in that, this manufacture method also comprises step: after making twisted wire FFC, control material in the special characteristic impedance of the outside of this twisted wire FFC laminating one deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240950.7A CN103414046B (en) | 2013-06-18 | 2013-06-18 | Be applied to HDMI wire and the manufacture method of HD video/audio-frequence player device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240950.7A CN103414046B (en) | 2013-06-18 | 2013-06-18 | Be applied to HDMI wire and the manufacture method of HD video/audio-frequence player device |
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| CN103414046A true CN103414046A (en) | 2013-11-27 |
| CN103414046B CN103414046B (en) | 2015-09-09 |
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| CN201310240950.7A Active CN103414046B (en) | 2013-06-18 | 2013-06-18 | Be applied to HDMI wire and the manufacture method of HD video/audio-frequence player device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103401085A (en) * | 2013-08-07 | 2013-11-20 | 深圳市得润电子股份有限公司 | HDMI (High Definition Multimedia Interface) for high-definition video/audio play device |
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| US8007323B1 (en) * | 2010-11-16 | 2011-08-30 | Cheng Uei Precision Industry Co., Ltd. | HDMI connector with fastening portions of terminals insert molded in insulating bodies |
| CN202004177U (en) * | 2010-12-25 | 2011-10-05 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN203521732U (en) * | 2013-06-18 | 2014-04-02 | 深圳市得润电子股份有限公司 | HDMI cable applied to HD video/audio playback device |
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- 2013-06-18 CN CN201310240950.7A patent/CN103414046B/en active Active
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| CN2687875Y (en) * | 2004-03-18 | 2005-03-23 | 连展科技（深圳）有限公司 | High analytic multimedia digital transmission interface plug connector |
| CN201025637Y (en) * | 2007-03-27 | 2008-02-20 | 汉达精密电子(昆山)有限公司 | Electric connector |
| CN201332150Y (en) * | 2008-11-20 | 2009-10-21 | 天瑞电子（深圳）有限公司 | Improved connecting device structure suitable for high-resolution multimedia interface |
| US8007323B1 (en) * | 2010-11-16 | 2011-08-30 | Cheng Uei Precision Industry Co., Ltd. | HDMI connector with fastening portions of terminals insert molded in insulating bodies |
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| CN103401085A (en) * | 2013-08-07 | 2013-11-20 | 深圳市得润电子股份有限公司 | HDMI (High Definition Multimedia Interface) for high-definition video/audio play device |
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| CN103414046B (en) | 2015-09-09 |
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Address after: 518107 Derun Electronic Industrial Park, 269 Huitong Road, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN DEREN ELECTRONIC Co.,Ltd. Address before: 518107, Guangdong province Shenzhen Guangming New District Guangming Street, No. thirty-three Road, 9 Electronic Industrial Park run Patentee before: SHENZHEN DEREN ELECTRONIC Co.,Ltd. |