CN203193079U - LVDS line with parallel line structure - Google Patents
LVDS line with parallel line structure Download PDFInfo
- Publication number
- CN203193079U CN203193079U CN 201220737498 CN201220737498U CN203193079U CN 203193079 U CN203193079 U CN 203193079U CN 201220737498 CN201220737498 CN 201220737498 CN 201220737498 U CN201220737498 U CN 201220737498U CN 203193079 U CN203193079 U CN 203193079U
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- ffc
- flat
- insulating coating
- connector
- lvds line
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Abstract
Provided by the utility model is an LVDS line with a parallel line structure. The LVDS line comprises stranded wire-based FFC, flat FFC, and an electronic connector. The stranded wire-based FFC includes multiple strands of copper stranded wires, an upper-layer insulated diaphragm, and a lower-layer insulated diaphragm; two ends of the multiple strands of copper stranded wires are exposed outside; and one exposed ends are welded with the flat FFC and the other exposed ends are welded with the electronic connector. The flat FFC includes a flat copper wire, an upper-layer insulated diaphragm, a lower-layer insulated diaphragm, and reinforcing plates, wherein the upper-layer insulated diaphragm and the lower-layer insulated diaphragm are respectively contacted with the upper surface and the lower surface of the flat copper wire; one end of the flat FFC is processed by die stamping to form a buckle structure and the flat copper wire with the other end exposed is welded with the multiple strands of copper stranded wires of the stranded wire-based FFC. In addition, the electronic connector includes a connector upper cover and a main connector body; the main connector body is welded with the multiple strands of copper stranded wires of the stranded wire-based FFC; and the connector upper cover is buckled with the main connector body. According to the utility model, the provided LVDS line has the advantages of low cost, high production efficiency, long bending service life, controllability of characteristic impedance, meeting of a halogen-free requirement, and good shielding performance and the like.
Description
Technical field
The utility model relates to the holding wire technical field, relates in particular to a kind of LVDS(Low Voltage Differential Signaling of parallel lines structure, Low Voltage Differential Signal) line.
Background technology
Disclosing three kinds of LVDS lines at present on the market, is respectively FPC (but soft printed circuit board (PCB)), MIRCO COAXIAL CABLE(extremely thin coaxial wire MCC) and ELECTRONIC WIRE(electronics line) be widely used in the electric signal transmission of electronic products such as notebook computer, LCD, LED.
The production process of existing ELECTRONIC WIRE LVDS line is: fit, cut, Hot bar, some glue beat end, slotting glue shell, mainly there is following shortcoming in this traditional structure:
1, cost height: need to beat end, insert glue shell etc., complex process, cost of labor height;
2, production efficiency is low: complex procedures, manual operation efficiency is low.
Summary of the invention
The purpose of this utility model is to provide a kind of LVDS line of parallel lines structure, reduces the existing operations such as end, slotting glue shell of beating, and reducing copper material expends, and reduces production costs and cost of labor.
Another purpose of the present utility model is to provide a kind of LVDS line of parallel lines structure, simplifies working process, and improves manual operation efficiency.
The purpose of this utility model is achieved through the following technical solutions:
A kind of LVDS line of parallel lines structure comprises twisted wire FFC, flat FFC and electric power connector;
Described twisted wire FFC comprises the first upper strata insulating coating, multiply copper stranded conductor, first lower floor's insulating coating; Described multiply copper stranded conductor discharges side by side, its upper and lower surface fits with the first upper strata insulating coating, first lower floor's insulating coating respectively, and outside its two ends were exposed to, an exposed end wherein was used for being used for welding with electric power connector with flat FFC welding, another exposed end;
Described flat FFC comprises the second upper strata insulating coating, flat copper wire, second lower floor's insulating coating and the stiffening plate; The upper and lower surface of described flat copper wire fits with the second upper strata insulating coating, second lower floor's insulating coating respectively, and two ends lamination reinforcement plate, outside its two ends are exposed to; The flat copper wire that buckle structure, the other end that end punch die one-tenth and the plate terminal adapter of described flat FFC is complementary is exposed and the multiply copper stranded conductor welding of twisted wire FFC;
Described electric power connector comprises connector loam cake and connector body; The multiply copper stranded conductor welding of connector body and twisted wire FFC, connector loam cake and connector body fasten.
Wherein, the outer surface of described twisted wire FFC posts characteristic impedance control material.
Wherein, the twisted wire FFC that described outer surface posts characteristic impedance control material is divided into several, and the folding posterior cord of all itemizes is integral.
Wherein, described all itemizes are after bundle is integral, and its outside also is enclosed with EMI masking material and insulating material, and described EMI masking material is specially conductive fabric or acetic acid cloth.
Wherein, also leave the rotation space between the described itemize that is wrapped up.
Wherein, the described first upper strata insulating coating, first lower floor's insulating coating, the second upper strata insulating coating, second lower floor's insulating coating are the PET material.
Wherein, described connector body is provided with golden finger, draw-in groove and pad; Described draw-in groove and connector loam cake fasten, the multiply copper stranded conductor welding of described pad and twisted wire FFC.
Compared with prior art, the utility model embodiment has following beneficial effect:
1, have the Costco Wholesale advantage: need not to beat separately terminal, insert the glue head, it is few to expend copper material; Operation is simple, and cost of labor is low.
2, production efficiency height: simplified flow chart, production capacity significantly promotes.
3, flex life is long: since twisted wire FFC by itemize and folding be rolled into cylindric, thereby not only can smoothly it be filled in undersized tubular space, and leave running clearance between the itemize, be convenient to bending, by waving number of times more than 30000 times, there is not short breaking phenomena, conductor resistance rate of change＜3%.
4, characteristic impedance is controlled: existing LVDS line characteristic impedance instability under normal circumstances can only reach 100 ± 20 Ω; And LVDS line of the present utility model is parallel lines structure, rely on the surface to stick on the special suction ripple of one deck material (being characteristic impedance control material), reach the purpose of control characteristic impedance, its control range is accurate, stable, reach 100 ± 10 Ω, further guarantee the stability of signal transmission.
5, screening performance is good: adopt double layer material control characteristic impedance and EMI, screening performance is splendid.
6, can meet the Halogen requirement: existing LVDS line adopts the insulating barrier of PVC material, can't reach Halogen, and the insulating barrier of flat FFC of the present utility model and twisted wire FFC adopts the PET material, not only can reach RoHS, and can reach Halogen.
Description of drawings
Fig. 1 is the schematic diagram of the manufacturing procedure part one of LVDS line among the utility model embodiment.
Fig. 2 is the structural representation of LVDS line behind the combination electric power connector among the utility model embodiment.
Fig. 3 is the structural representation of LVDS line behind twisted wire FFC1 itemize and bunch among the utility model embodiment.
Fig. 4 is the structural representation of LVDS line behind applying EMI masking material among the utility model embodiment.
Embodiment
The utility model is based on a kind of innovation of ELECTRONIC WIRE LVDS line, be a kind of novel LVDS line of FFC that is applied to the transmission of notebook computer signal, hereinafter to be referred as FFC-NB LVDS line (FLEXIBLE FLAT CABLE-NOTE BOOK LOW VOLTAGE DIFFERENTIAL SIGNALING).
The main feature of FFC-NB LVDS line is in the utility model: 1. wire rod: heart yearn adopts multiply copper stranded conductor and flat copper wire; 2. structure: adopt twisted wire FFC welding electric power connector and twisted wire FFC soldering flat FFC structure; 3. itemize formula manufacturing process: with twisted wire FFC itemize parcel, can replace the cabling of original LVDS line, simplify technological process, bend resistance performance and antijamming capability are stronger, and be more stable than the electronics Wiring technology; 4. insulating material: use PET insulation material, not only can reach RoHS, also can reach Halogen, realize environmental protection.
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 only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1 to Fig. 4, FFC-NB LVDS line is made up of twisted wire FFC1, flat FFC2, electric power connector in the present embodiment.
Twisted wire FFC1 is fit together and is formed by multiply copper stranded conductor 11, upper strata insulating coating 12, lower floor's insulating coating 14.The two ends of multiply copper stranded conductor 11 are exposed, and exposed position can be welded, and exposed position and the electric power connector of an end welds mutually, weld mutually with flat FFC2 at the exposed position of the other end 15.In application process, multiply copper stranded conductor 11 plays transmission and conducting; Upper strata insulating coating 12 plays the insulating protection effect; Lower floor's insulating coating 14 plays the insulating protection effect.
Flat FFC2 is fit together and is formed by upper strata insulating coating 22, flat copper wire 21, lower floor's insulating coating 23, stiffening plate 24.In application process, flat copper wire 21 plays transmission and conducting; Upper strata insulating coating 22 plays the insulating protection effect; Lower floor's insulating coating 23 plays the insulating protection effect; Stiffening plate 24 plays and strengthens terminal position intensity, convenient effect of pegging graft.The corner angle 25 of punch trimming play the effect of matching disc terminal adapter.
Electric power connector is made up of connector loam cake 3 and connector body 4, and the two coupling combination back forms a complete male connector, can realize and the docking of plate end stand.Wherein, the salient point 31 on the connector loam cake 3, corresponding with the position, hole on the plate end stand, can prevent from after the grafting coming off; Draw-in groove 41 and 43 on the connector body 4 links closely with connector loam cake 3 and to play the effect that increases the electric power connector compactness; Golden finger 42 on the connector body 4 plays transmission and conducting; Pad 44 on the connector body 4 can weld combination with the exposed position of an end of multiply copper stranded conductor 11.
The applying step of above-mentioned FFC-NB LVDS line comprises.
The first step: as shown in Figure 1, multiply copper stranded conductor 11 and upper strata insulating coating 12, lower floor's insulating coating 14 of PET material are fitted and made twisted wire FFC1.
Second step: flat copper wire 21 and upper strata insulating coating 22, lower floor's insulating coating 23 of PET material are fitted, and made flat FFC2 at two ends reinforcing plate 24.
Second step: with the end punch die of flat FFC2, form the structure of band buckle, and be complementary with the plate terminal adapter; Again with pad 44 welding on flat copper wire 21 welding of an exposed end 15 of the multiply copper stranded conductor 11 of twisted wire FFC1 and flat FFC2, another exposed end and the connector body 4, at last with connector loam cake 3 and connector body 4 and fastening, as shown in Figure 2.
The 3rd step: twisted wire FFC1 is pasted behind the characteristic impedance material itemize more outward, bunch, as shown in Figure 3.In the present embodiment, the position that itemize exposes is rugosity shown in number in the figure 16 and 17.
The 4th step: paste the EMI masking material according to technical indicator in all itemize external overall, the local insulating material that pastes, insulating material mainly plays protective actions such as wear-resisting, fixing, as shown in Figure 4.The EMI masking material comprises conductive fabric 5, acetic acid cloth etc., and insulating material is insulating tape 6.
The 5th step: with mainboard and Display connector in FFC-NB LVDS connection, can realize connecting, finish the transmission of electric current or electric signal.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. the LVDS line of a parallel lines structure is characterized in that, this LVDS line comprises twisted wire FFC, flat FFC and electric power connector;
Described twisted wire FFC comprises the first upper strata insulating coating, multiply copper stranded conductor, first lower floor's insulating coating; Described multiply copper stranded conductor discharges side by side, its upper and lower surface fits with the first upper strata insulating coating, first lower floor's insulating coating respectively, and outside its two ends were exposed to, an exposed end wherein was used for being used for welding with electric power connector with flat FFC welding, another exposed end;
Described flat FFC comprises the second upper strata insulating coating, flat copper wire, second lower floor's insulating coating and the stiffening plate; The upper and lower surface of described flat copper wire fits with the second upper strata insulating coating, second lower floor's insulating coating respectively, and two ends lamination reinforcement plate, outside its two ends flat copper wire is exposed to; The flat copper wire that buckle structure, the other end that end punch die one-tenth and the plate terminal adapter of described flat FFC is complementary is exposed and the multiply copper stranded conductor welding of twisted wire FFC;
Described electric power connector comprises connector loam cake and connector body; The multiply copper stranded conductor welding of connector body and twisted wire FFC, connector loam cake and connector body fasten.
2. the LVDS line of parallel lines structure as claimed in claim 1 is characterized in that, the outer surface of described twisted wire FFC posts characteristic impedance control material.
3. the LVDS line of parallel lines structure as claimed in claim 2 is characterized in that, the twisted wire FFC that described outer surface posts characteristic impedance control material is divided into several, and the folding posterior cord of all itemizes is integral.
4. the LVDS line of parallel lines structure as claimed in claim 3 is characterized in that, described all itemizes are after bundle is integral, and its outside also is enclosed with EMI masking material and insulating material, and described EMI masking material is specially conductive fabric or acetic acid cloth.
5. the LVDS line of parallel lines structure as claimed in claim 4 is characterized in that, also leaves between the described itemize that is wrapped up and rotates the space.
6. the LVDS line of parallel lines structure as claimed in claim 1 is characterized in that, the described first upper strata insulating coating, first lower floor's insulating coating, the second upper strata insulating coating, second lower floor's insulating coating are the PET material.
7. the LVDS line of parallel lines structure as claimed in claim 1 is characterized in that, described connector body is provided with golden finger, draw-in groove and pad; Described draw-in groove and connector loam cake fasten, the multiply copper stranded conductor welding of described pad and twisted wire FFC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737498 CN203193079U (en) | 2012-12-28 | 2012-12-28 | LVDS line with parallel line structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737498 CN203193079U (en) | 2012-12-28 | 2012-12-28 | LVDS line with parallel line structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193079U true CN203193079U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737498 Withdrawn - After Issue CN203193079U (en) | 2012-12-28 | 2012-12-28 | LVDS line with parallel line structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107462A (en) * | 2012-12-28 | 2013-05-15 | 深圳市得润电子股份有限公司 | Low voltage differential signaling (LVDS) wire of parallel wire structure and manufacturing method thereof |
-
2012
- 2012-12-28 CN CN 201220737498 patent/CN203193079U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107462A (en) * | 2012-12-28 | 2013-05-15 | 深圳市得润电子股份有限公司 | Low voltage differential signaling (LVDS) wire of parallel wire structure and manufacturing method thereof |
| CN103107462B (en) * | 2012-12-28 | 2015-09-16 | 深圳市得润电子股份有限公司 | LVDS line of a kind of parallel lines structure and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |