CN203521732U - HDMI cable applied to HD video/audio playback device - Google Patents

HDMI cable applied to HD video/audio playback device Download PDF

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Publication number
CN203521732U
CN203521732U CN201320348303.3U CN201320348303U CN203521732U CN 203521732 U CN203521732 U CN 203521732U CN 201320348303 U CN201320348303 U CN 201320348303U CN 203521732 U CN203521732 U CN 203521732U
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China
Prior art keywords
hdmi
video
insulation
groove
audio
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Withdrawn - After Issue
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CN201320348303.3U
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Chinese (zh)
Inventor
田南律
刘仕军
熊国军
王明
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Shenzhen Deren Electronic Co Ltd
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Shenzhen Deren Electronic Co Ltd
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Abstract

The utility model provides an HDMI cable applied to an HD video/audio playback device. 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. 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 in the insulated body, 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 the HD video/audio playback device, 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

Be applied to the HDMI line of HD video/audio-frequence player device
Technical field
The utility model relates to holding wire technical field, relates 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.
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 twisted wire structure, need to carry out sequence of operations to it, comprises de-outer quilt, dealuminzation paper tinsel, sleeve-penetrating, hot blast blowpipe, separated time, trimming core, after depoling line, could carry out welding operation to it, operation is a lot of, and 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 two rows welds the object 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 purpose of this utility model is to provide a kind of HDMI line that is applied to HD video/audio-frequence player device, and simplification of flowsheet reduces manual work, enhances productivity;
Another object of the present utility model is to provide a kind of HDMI line that is applied to HD video/audio-frequence player device, avoids the phenomenons such as sky weldering because adopting double row welded formula Pin groove to cause, short circuit, and reduction manufacturing cost, further enhances productivity.
The purpose of this utility model is achieved through the following technical solutions.
Be applied to a HDMI line for 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; 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; The slot that front portion has an antetheca and runs through antetheca and be recessed to form backward, the up/down surface in slot all from surface upwards/lower recess is formed with some holddown grooves; Rear portion comprises a base for 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 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, first row terminal inserts in the holddown groove of top board, second row terminal inserts base plate, form inserting shell fragment, all pressure contact portions stretch in corresponding crimp groove;
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 insulation gland is covered on insulation support body, be covered on the rear portion of insulating body, be positioned at outside 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, on described insulating body, are provided with correcting plate with described link plate correspondence position, and the both sides of metal-back are provided with the second hanging platform;
Metal backup shoe buckles into by the correcting plate guiding 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 is also fitted with one deck impedance Control material.
Preferably, the outer surface cover of this HDMI line has PET mesh grid.
Compared with prior art, the utility model embodiment has following beneficial effect.
1) parallel construction of the employing parallel placement of multiply copper stranded conductor of HDMI line and the insulating coating of fitting up and down in the utility model, spacing is controlled superior, reach 0.5+/-0.05mm, do not need the definition of manual identified pin position, maximization simplification technological process, reduce manual work, significantly improved production efficiency.Meanwhile, the structure of flat wire also makes HDMI line more frivolous, can be applied on some ultra-thin high definition playback equipments, and more traditional HDMI line superiority is remarkable; There is longer 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 utility model, HDMI line is parallel lines structure, rely on surface to stick on one deck impedance Control material, reach the object of shield electromagnetic interference and control characteristic impedance, shield effectiveness is good, characteristic impedance control range is accurate, stable, reach 100 ± 10 Ω, further guarantee the stability of signal transmission.
3) in the utility model, 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, contact conducting with connector splinter body 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.
Accompanying drawing explanation
Fig. 1 is the explosive view of HDMI connector in the utility model embodiment;
Fig. 2 is the schematic diagram of the manufacturing procedure part one of HDMI line in the utility model embodiment;
Fig. 3 is the schematic diagram of the manufacturing procedure part two of HDMI line in the utility model embodiment;
Fig. 4 is the schematic diagram of the manufacturing procedure part three of HDMI line in the utility model embodiment.
Embodiment
The utility model is a kind of innovation based on 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 the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In the present embodiment, FFC-HDMI line is comprised of twisted wire FFC1, HDMI connector.
One, twisted wire FFC1: by multiply copper stranded conductor 11,13 laminatings of upper strata insulating coating 12He lower floor 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 connector splinter body.
Insulating body 7 comprises integrally formed front portion 71 and rear portion 72.Anterior 71 slots 711 that there is an antetheca and run through antetheca and be recessed to form backward; In slot 711, there is the base plate that is positioned at the top board at its top and is positioned at its bottom, some holddown grooves 712 of all have on top board and base plate 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.
Figure DEST_PATH_562069DEST_PATH_IMAGE002
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 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.
Figure DEST_PATH_DEST_PATH_IMAGE003
metal-back 3, comprises integrally formed housing left part and the housing right part corresponding with insulating body 7; 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 on 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.
Figure DEST_PATH_807106DEST_PATH_IMAGE004
insulation support body 4 has been recessed to form some crimp groove 41 downwards from its surface; After insulation support body 4 is assembled in insulating body 7, the pressure contact portion of splicing ear 22 enters in crimp groove 41, and the splicing ear 2 being assembled in insulating body 7 is supported, stressed while making splicing ear 2 compression.
Figure DEST_PATH_DEST_PATH_IMAGE005
the body of insulation gland 5 has been recessed to form a draw-in groove 51 downwards from its inner surface, is provided with some lattice hurdle in draw-in groove 51, for multiply copper stranded conductor 11 exposed parts of twisted wire FFC1 being fixed on to insulation gland 5.The body both sides of insulation gland 5 are also provided with front grab 52 and rear grab 53, for the hanging platform of the dual-side with insulation support body 4, match, and assembling rear defence anti-avulsion falls.
metal backup shoe 6, after insulation gland 5 is covered on insulation support body 4, is covered on the rear portion of insulating body 7.In when assembling, metal backup shoe 6 buckles into by correcting plate 721 guiding in link plate 62 and insulating body 7, and makes in metal backup shoe 6 hanging platform 31 make-ups in hanging hole 61 and metal-back 3, makes closely to fasten each other, guarantees twisted wire FFC1 and insulation support body 4 joint stable.
In assembling process, the twisted wire FFC1 by 7 times buttons of metal-back to the vertical good connector splinter body 4 of group, detains cover buckle, just obtains the product 8 in Fig. 4; Again its moulding external mold can be obtained to target product, can in product outer cover, PET mesh grid protect wire rod, increase attractive in appearance.
Particularly, in conjunction with shown in Fig. 2 to Fig. 4, the manufacture work flow of above-mentioned FFC-HDMI line is.
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 the impedance Control material of fitting (or multiply copper stranded conductor, insulating coating and the laminating of impedance Control material are made to twisted wire FFC1).
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, the exposed multiply copper stranded conductor 11 in twisted wire FFC1 two ends packs 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 that pack twisted wire FFC1 into are pressed into 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: moulding external mold, carries out injection moulding to HDMI connector and twisted wire FFC1 connecting part.
The 6th step: cover PET mesh grid, protection wire rod, increases aesthetics.
The 7th step: the two ends of this Novel HDMI wire are connected respectively to upper video/audio output and input, realize and connecting, complete the transmission of HD video/audio signal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims (7)

1. be applied to a HDMI line for 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; 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; The slot that front portion has an antetheca and runs through antetheca and be recessed to form backward, the up/down surface in slot all from surface upwards/lower recess is formed with some holddown grooves; Rear portion comprises a base for 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 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, first row terminal inserts in the holddown groove of top board, second row terminal inserts base plate, form inserting shell fragment, all pressure contact portions stretch in corresponding crimp groove;
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 insulation gland is covered on insulation support body, is covered on the rear portion of insulating body, is positioned at outside 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, on described insulating body, are provided with correcting plate with described link plate correspondence position, and the both sides of metal-back are provided with the second hanging platform;
Metal backup shoe buckles into by the correcting plate guiding 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 is also fitted with one deck impedance Control 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 PET mesh grid.
CN201320348303.3U 2013-06-18 2013-06-18 HDMI cable applied to HD video/audio playback device Withdrawn - After Issue CN203521732U (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414046A (en) * 2013-06-18 2013-11-27 深圳市得润电子股份有限公司 HDMI cable applied to HD video/audio playback device and manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414046A (en) * 2013-06-18 2013-11-27 深圳市得润电子股份有限公司 HDMI cable applied to HD video/audio playback device and manufacturing method
CN103414046B (en) * 2013-06-18 2015-09-09 深圳市得润电子股份有限公司 Be applied to HDMI wire and the manufacture method of HD video/audio-frequence player device

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Granted publication date: 20140402

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