CN203026753U - Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers - Google Patents
Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers Download PDFInfo
- Publication number
- CN203026753U CN203026753U CN 201220744142 CN201220744142U CN203026753U CN 203026753 U CN203026753 U CN 203026753U CN 201220744142 CN201220744142 CN 201220744142 CN 201220744142 U CN201220744142 U CN 201220744142U CN 203026753 U CN203026753 U CN 203026753U
- Authority
- CN
- China
- Prior art keywords
- ffc
- copper wire
- flat
- insulating coating
- characteristic impedance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers. The LVDS wire comprises a round copper wire FFC (flexible flat cable), a flat FFC and an electronic connector, wherein the round copper wire FFC comprises round copper wires and upper and lower insulating films fit with the upper and lower surfaces of the round copper wires, wherein the two ends of the round copper wires are exposed outside; one exposed ends of the round copper wires are welded together with the flat FFC while the other exposed ends of the round copper wires are welded together with the electronic connector; the flat FFC comprises flat copper wires, upper and lower insulating films fit with the upper and lower surfaces of the flat copper wires and reinforcement plates; one end of the flat FFC is stamped to be of a fastener structure; the exposed flat copper wires at the other end of the flat FFC are welded together with the round copper wires of the round copper wire FFC; the electronic connector comprises a connector upper cover and a connector main body; the connector main body is welded together with the round copper wires of the copper wire FFC; and the connector upper cover and the connector main body are fastened. The wire has the advantages of low cost, high production efficiency, long bending life, controllable characteristic impedance, accordance with the halogen-free requirement, 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 controlled LVDS(Low Voltage Differential Signaling of characteristic impedance that is applied to notebook computer, Low Voltage Differential Signal) line.
Background technology
Disclosing on the market at present three kinds of LVDS lines, is respectively FPC (but soft printed circuit board (PCB)), MIRCO COAXIAL CABLE(extremely thin coaxial wire MCC) and ELECTRONIC WIRE(electric wire) be widely used in the electric signal transmission of the 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 is high: need to beat end, insert glue shell etc., and complex process, cost of labor is high;
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 controlled LVDS line of characteristic impedance that is applied to notebook computer, 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 controlled LVDS line of characteristic impedance that is applied to notebook computer, simplifies working process, and improves manual operation efficiency.
The purpose of this utility model is achieved through the following technical solutions:
A kind of controlled LVDS line of characteristic impedance that is applied to notebook computer comprises circular copper wire FFC, flat FFC and electric power connector;
Described circular copper wire FFC comprises the first upper strata insulating coating, circular copper wire, first lower floor's insulating coating; Described circular copper wire discharges side by side, and 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, the second lower floor's insulating coating and stiffening plate; Described flat copper wire is discharged side by side, and its upper and lower surface fits with the second upper strata insulating coating, second lower floor's insulating coating and stiffening plate respectively, and outside its two ends are exposed to; The circular copper wire welding of the flat copper wire that an end punch die becomes and the plate terminal adapter is complementary buckle structure, the other end of described flat FFC is exposed and circular copper wire FFC;
Described electric power connector comprises connector upper cover and connector body; The circular copper wire of connector body and circular copper wire FFC is integrally welded, and connector upper cover and connector body fasten.
Wherein, the outer surface of described circular copper wire FFC posts characteristic impedance and controls material.
Wherein, the circular copper 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 between described wrapped itemize and rotate the space.
Wherein, described the 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 upper cover fasten, the circular copper wire welding of described pad and circular copper wire FFC.
Compared with prior art, the utility model embodiment has following beneficial effect:
1, has the Costco Wholesale advantage: need not to beat separately terminal, insert the glue head, expend copper material few; Operation is simple, and cost of labor is low.
2, production efficiency is high: simplified flow chart, production capacity significantly promotes.
3, flex life is long: due to circular copper 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 itemize, be convenient to bending, by waving number of times more than 30000 times, without short breaking phenomena, conductor resistance rate of change＜3%.
4, characteristic impedance is controlled: in existing LVDS line, to be prone to lay not of uniform size for circular copper wire, causes the factors such as circular copper wire is loose in the course of processing and the influencing characterisitic resistance value, and normal condition 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 that material is controlled in characteristic impedance), 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 Halogen-free requirement: existing LVDS line adopts the insulating barrier of PVC material, can't reach Halogen, and in the utility model, the insulating barrier of flat FFC and circular copper 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 in the utility model embodiment.
Fig. 2 is the schematic diagram of the manufacturing procedure part two of LVDS line in the utility model embodiment.
Embodiment
The utility model is based on a kind of innovation of ELECTRONIC WIRE LVDS line, a kind of novel LVDS line of FFC that is applied to the notebook computer signal transmission, hereinafter to be referred as FFC-NB LVDS line (FLEXIBLE FLAT CABLE-NOTE BOOK LOW VOLTAGE DIFFERENTIAL SIGNALING).
In the utility model, the main feature of FFC-NB LVDS line is: 1. wire rod: heart yearn adopts circular copper wire; 2. structure: adopt circular copper wire FFC welding electric power connector and circular copper wire FFC soldering flat FFC structure; 3. itemize formula manufacturing process: with circular copper wire FFC itemize parcel, can replace the cabling of original LVDS line, simplification of flowsheet, bend resistance performance and antijamming capability are stronger, and be more stable than electric wire technique; 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 and Fig. 2, in the present embodiment, FFC-NB LVDS line is comprised of circular copper wire FFC1, flat FFC2, electric power connector.
Circular copper wire FFC1 is fit together and is formed by circular copper wire 11, upper strata insulating coating 12, lower floor's insulating coating 14.The two ends of circular copper wire 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, circular copper wire 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 comprised of connector upper cover 3 and connector body 4, both forms a complete Male head connector after coupling combination, can realize and the docking of plate end stand.Wherein, the salient point 31 on connector upper cover 3, corresponding with the position, hole on plate end stand, can prevent from after grafting coming off; Draw-in groove 41 and 43 on connector body 4 links closely with connector upper cover 3 and plays the effect that increases the electric power connector compactness; Golden finger 42 on connector body 4 plays transmission and conducting; Pad 44 on connector body 4 can weld combination with the exposed position of an end of circular copper wire 11.
The applying step of above-mentioned FFC-NB LVDS line comprises:
The first step: circular copper wire 11 and upper strata insulating coating 12, lower floor's insulating coating 14 of PET material are fitted and made circular copper 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 with 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 circular copper wire 11 of circular copper wire FFC1 and flat FFC, another exposed end and connector body 4, at last with connector upper cover 3 and connector body 4 and fastening.
The 3rd step: circular copper wire FFC1 is pasted after the characteristic impedance material itemize again, bunch outward.In the present embodiment, the position that itemize exposes is rugosity as 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 the protective actions such as wear-resisting, fixing.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, complete the transmission of electric current or electric signal.
The above 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. the controlled LVDS line of characteristic impedance that is applied to notebook computer, is characterized in that, this LVDS line comprises circular copper wire FFC, flat FFC and electric power connector;
Described circular copper wire FFC comprises the first upper strata insulating coating, circular copper wire, first lower floor's insulating coating; Described circular copper wire discharges side by side, and 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; Described flat copper wire is discharged side by side, and its upper and lower surface 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 circular copper wire welding of the flat copper wire that an end punch die becomes and the plate terminal adapter is complementary buckle structure, the other end of described flat FFC is exposed and circular copper wire FFC;
Described electric power connector comprises connector upper cover and connector body; The circular copper wire of connector body and circular copper wire FFC is integrally welded, and connector upper cover and connector body fasten.
2. the controlled LVDS line of characteristic impedance that is applied to notebook computer as claimed in claim 1, is characterized in that, the outer surface of described circular copper wire FFC posts characteristic impedance and controls material.
3. the controlled LVDS line of characteristic impedance that is applied to notebook computer as claimed in claim 2, is characterized in that, the circular copper 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 controlled LVDS line of characteristic impedance that is applied to notebook computer as claimed in claim 3, it 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 controlled LVDS line of characteristic impedance that is applied to notebook computer as claimed in claim 4, is characterized in that, also leaves between described wrapped itemize and rotate the space.
6. the controlled LVDS line of characteristic impedance that is applied to notebook computer as claimed in claim 1, is characterized in that, described the 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 controlled LVDS line of characteristic impedance that is applied to notebook computer 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 upper cover fasten, the circular copper wire welding of described pad and circular copper wire FFC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744142 CN203026753U (en) | 2012-12-29 | 2012-12-29 | Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220744142 CN203026753U (en) | 2012-12-29 | 2012-12-29 | Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026753U true CN203026753U (en) | 2013-06-26 |
Family
ID=48650705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220744142 Expired - Fee Related CN203026753U (en) | 2012-12-29 | 2012-12-29 | Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415863A (en) * | 2017-06-20 | 2017-12-01 | 芜湖宏景电子股份有限公司 | A kind of car multimedia display screen wire arranging method |
-
2012
- 2012-12-29 CN CN 201220744142 patent/CN203026753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415863A (en) * | 2017-06-20 | 2017-12-01 | 芜湖宏景电子股份有限公司 | A kind of car multimedia display screen wire arranging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201478528U (en) | Cable connector component | |
| CN103107462B (en) | LVDS line of a kind of parallel lines structure and preparation method thereof | |
| CN203026753U (en) | Characteristic impedance controllable LVDS (low voltage differential signaling) wire applied to notebook computers | |
| CN103107463B (en) | LVDS line that a kind of characteristic impedance is controlled and preparation method thereof | |
| CN203193079U (en) | LVDS line with parallel line structure | |
| CN203026754U (en) | Parallel wire structured LVDS (low voltage differential signaling) wire applied to notebook computers | |
| CN203026752U (en) | LVDS (low voltage differential signaling) cable with controllable characteristic impedance | |
| CN203193089U (en) | Low voltage differential signaling wire applied to notebook computer | |
| CN105957633B (en) | For transmitting the flexible flat cable of high speed signal | |
| CN203136328U (en) | Mounting structure of flexible circuit board pin | |
| CN203026770U (en) | Bending resistant LVDS (low voltage differential signaling) wire | |
| CN203193091U (en) | LVDS line applied to notebook computer signal transmission | |
| CN206077827U (en) | Flexible PCB switching piece | |
| CN203193087U (en) | LVDS wire for connecting display device, camera and main board of notebook computer | |
| CN203026769U (en) | LVDS (low voltage differential signaling) cable applied to laptop | |
| CN211181693U (en) | Flexible flat wire of FFC | |
| CN201112670Y (en) | Novel connection structure of flexible flat cable | |
| CN203193088U (en) | LVDS line applied to tablet computer signal transmission | |
| CN201142373Y (en) | Power connector | |
| CN203193090U (en) | LVDS wire for connecting main board and display device of tablet computer | |
| CN203326156U (en) | Flexible flat cable connector and flexible flat cable | |
| CN206774274U (en) | The flexible flat data wire that a kind of anti-conductor warps | |
| CN201274355Y (en) | Connector apparatus with switching circuit | |
| CN208522181U (en) | A kind of novel video card extended line | |
| CN210640015U (en) | FFC winding displacement subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20181229 |