CN203193089U - Low voltage differential signaling wire applied to notebook computer - Google Patents
Low voltage differential signaling wire applied to notebook computer Download PDFInfo
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- CN203193089U CN203193089U CN 201320062566 CN201320062566U CN203193089U CN 203193089 U CN203193089 U CN 203193089U CN 201320062566 CN201320062566 CN 201320062566 CN 201320062566 U CN201320062566 U CN 201320062566U CN 203193089 U CN203193089 U CN 203193089U
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Abstract
The utility model provides a low voltage differential signaling wire applied to a notebook computer. The low voltage differential signaling wire applied to a notebook computer comprises a twisted wire FFC, a first flat FFC, a second flat FFC and a metal shell. The twisted wire FFC is formed by combining an upper layer insulation leather membrane, multiple copper twisted wires, and a lower layer insulation leather membrane in an attaching manner; two ends of the multiple copper twisted wires are exposed. Each of the first flat FFC and the second flat FFC is formed by combining an upper insulation leather membrane, a flat copper wire, a lower layer insulation leather membrane, and reinforcing plates; and two ends of the flat copper wire are exposed. One end of the first flat FFC is connected with one end of the twisted wire FFC in a welded manner, and a punch die at the other end is combined with the metal shell after forming fastener-equipped structures. The structure of the metal shell matches with the structure of a board end base. One end of the second flat FFC is connected with the other end of the twisted wire FFC in a welded manner, and a punch die at the other end forms a structure which matches with the structure of the board end base. The low voltage differential signaling wire applied to a notebook computer is advantaged by low cost, high production efficiency, accordance with halogen-free requirements, good shielding performance, long bending service life, controllable characteristic impedance, 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 that is applied to notebook computer, 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 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 LVDS line 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 Low Voltage Differential Signal line that is applied to notebook computer comprises twisted wire FFC, the first flat FFC, second flat FFC and the metal-back;
Described twisted wire FFC is sticked to form by upper strata insulating coating, multiply copper stranded conductor, lower floor's insulating coating, and outside the multiply copper stranded conductor at two ends is exposed to, is respectively applied to and the first flat FFC and the second flat FFC welding;
The described first flat FFC and the second flat FFC are sticked to form by upper strata insulating coating, flat copper wire, lower floor's insulating coating and stiffening plate, and outside the flat copper wire at two ends is exposed to;
The flat copper wire that the end of the described first flat FFC exposes is welded mutually with the multiply copper stranded conductor that the end of twisted wire FFC exposes, and other end punch die makes up with metal-back after forming the structure of being with buckle; Described metal-back, the structure of its structure and plate end stand is suitable,
The flat copper wire that the end of the described second flat FFC exposes is welded mutually with the multiply copper stranded conductor that the other end of twisted wire FFC exposes, and other end punch die forms the structure with plate end stand coupling.
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.
Wherein, also leave the rotation space between the described itemize that is wrapped up.
Wherein, upper strata insulating coating, the lower floor's insulating coating of described twisted wire FFC, the first flat FFC and the second flat FFC are the PET material.
Wherein, described metal-back comprises metal upper casing and metal lower shell; One end of described metal upper casing and metal lower shell is fixedly connected, side is provided with corresponding buckle and draw-in groove, and leaves the space of passing through for the flat copper wire of the first flat FFC between metal upper casing and the metal lower shell fastening back; One end of the flat copper wire of the first flat FFC exposes its exposed end after passing described space; The side of described metal upper casing and metal lower shell also is provided with the folding position of metal-back;
At the end that metal-back is installed, the band buckle structure one end punch die of the described first flat FFC has protruding end and female end, and protruding end and folding position are suitable, and it is suitable with female end that buckle and draw-in groove fasten the back.
Compared with prior art, the utility model embodiment has following beneficial effect.
1, screening performance is good: adopt double layer material control characteristic impedance and EMI, screening performance is splendid.
2, 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%.
3, Costco Wholesale advantage: need not to beat separately terminal, insert the glue head, it is few to expend copper material, and operation is simple, and cost of labor is low.
4, characteristic impedance is controlled: this novel LVDS line is parallel lines structure, relies on the surface to stick on the special suction ripple of one deck material, reaches the purpose of control characteristic impedance.Its control range is accurate, stable, reaches 100 ± 10 Ω, further guarantees the stability of signal transmission.
5, production efficiency height: simplified flow chart, production capacity significantly promotes.
6, can meet the Halogen requirement: existing LVDS line adopts the insulating barrier of PVC material, can't reach Halogen, and insulating barrier of the present invention is PET, not only can reach RoHS, and can reach Halogen.
Description of drawings
Fig. 1 is the schematic diagram of the manufacturing procedure one of LVDS line among the utility model embodiment.
Fig. 2 is the schematic diagram of the manufacturing procedure two of LVDS line among the utility model embodiment.
Fig. 3 is the schematic diagram of the manufacturing procedure three of LVDS line 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 flat FFC welding twisted wire FFC, twisted wire FFC is soldering flat FFC again, the structure of flat FFC recombinant metal-back; 3. insulating material: use PET insulation material, not only can reach RoHS, also can reach Halogen, realize environmental protection; 4. 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.
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.
To shown in Figure 3, FFC-NB LVDS line is made up of twisted wire FFC1, flat FFC2, flat FFC3 and metal-back 4 in the present embodiment in conjunction with Fig. 1.
(1) twisted wire FFC1: fit together and form by multiply copper stranded conductor 11, upper strata insulating coating 12, lower floor's insulating coating 13.The exposed twisted wire 11 in two ends can weld.
Wherein, multiply copper stranded conductor 11 plays transmission and conducting; Upper strata insulating coating 12 plays the insulating protection effect; Lower floor's insulating coating 13 plays the insulating protection effect.
Weld with flat FFC2 and flat FFC3 respectively at the two ends of twisted wire FFC1.
(2) flat FFC2: fit together and form by flat copper wire 21, upper strata insulating coating 22, lower floor's insulating coating 23, stiffening plate 24.
Wherein, 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.
Multiply copper stranded conductor 11 welding that the flat copper wire 21 that the end of flat FFC2 is exposed is exposed with twisted wire FFC1 one end, the overall structure after integrally welded is shown in the position 14 among Fig. 2; The other end punch die of flat FFC2 forms the structure with plate end stand coupling.
(3) flat FFC3: fit together and form by flat copper wire 31, upper strata insulating coating 32, lower floor's insulating coating 33, stiffening plate 34.
Wherein, flat copper wire 31 plays transmission and conducting; Upper strata insulating coating 32 plays the insulating protection effect; Lower floor's insulating coating 33 plays the insulating protection effect; Stiffening plate 34 plays and strengthens terminal position intensity, convenient effect of pegging graft.
Multiply copper stranded conductor 11 welding that the flat copper wire 31 that the end of flat FFC3 is exposed is exposed with the end of twisted wire FFC1, the overall structure after integrally welded is shown in the position 15 among Fig. 2; The other end punch die of flat FFC3 forms the structure of band buckle, is used for and metal-back 4 combinations.
(4) metal-back 4, are made up of metal upper casing and metal lower shell, play the effect of connecting plate end stand.
Be respectively equipped with suitable draw-in groove 42 and buckle 43 on metal upper casing and the metal lower shell, play the effect of fixing flat FFC3, prevent from coming off.A side left folding position 41 after one end of metal upper casing and metal lower shell was fixedlyed connected, and was convenient to pressing down and opening of metal-back.Salient point 44 on the metal-back 4, corresponding with the position, hole on the plate end stand, can prevent from after the grafting coming off.Leave space 45 between metal upper casing and the metal lower shell, be used for allowing flat copper wire 31 pass through, expose the golden finger end of flat copper wire 31.
After above-mentioned twisted wire FFC1, flat FFC2, flat FFC3 and metal-back 4 is integrally welded, again twisted wire FFC1 itemize, bunch, processing have just been obtained target product FFC-NB LVDS line.As shown in Figure 3, itemize exposed locations 16 and 17 is rugosity, needs the outer anti-resistance control of the characteristic material that pastes before the itemize, plays the effect of control characteristic impedance.Wire rod is wrapped up with shielding material after the twisted wire FFC1 itemize comprehensively, play the effect of control EMI, adopt conductive fabric 18 and insulating tape 19 in the present embodiment, be respectively applied to shield EMI and disturb and insulating protection.
Particularly, the applying step of above-mentioned FFC-NB LVDS line comprises:
The first step: rope-lay strand 11 and upper strata insulating coating 12, lower floor's insulating coating 13 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, stiffening plate 24 are fitted, make flat FFC2.Flat copper wire 31 and upper strata insulating coating 32, lower floor's insulating coating 33, stiffening plate 34 are fitted, make flat FFC3.
The 3rd step: the exposed flat copper wire 31 of flat FFC3 one end and twisted wire FFC1 one end are exposed 11 welding of multiply copper stranded conductor, and the exposed multiply copper stranded conductor 11 of the twisted wire FFC1 other end welds with the exposed flat copper wire 21 of an end of flat FFC2.
The 4th step: flat FFC3 other end punch die is formed the structure of being with buckle, and FFC2 other end punch die forms the structure with plate end stand coupling, again with flat FFC3 buckle structure one end and metal-back combination.
The 5th step: twisted wire FFC1 is pasted characteristic impedance material itemize again, bunch outward.
The 6th step: paste EMI masking material, insulating material according to technical indicator, be specially conductive fabric, acetic acid cloth etc.;
The 7th step: with mainboard and Display connector in FFC-NB LVDS connection, 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. a Low Voltage Differential Signal line that is applied to notebook computer is characterized in that, this Low Voltage Differential Signal line comprises twisted wire FFC, the first flat FFC, second flat FFC and the metal-back;
Described twisted wire FFC is sticked to form by upper strata insulating coating, multiply copper stranded conductor, lower floor's insulating coating, and outside the multiply copper stranded conductor at two ends is exposed to, is respectively applied to and the first flat FFC and the second flat FFC welding;
The described first flat FFC and the second flat FFC are sticked to form by upper strata insulating coating, flat copper wire, lower floor's insulating coating and stiffening plate, and outside the flat copper wire at two ends is exposed to;
The flat copper wire that the end of the described first flat FFC exposes is welded mutually with the multiply copper stranded conductor that the end of twisted wire FFC exposes, and other end punch die makes up with metal-back after forming the structure of being with buckle; Described metal-back, the structure of its structure and plate end stand is suitable;
The flat copper wire that the end of the described second flat FFC exposes is welded mutually with the multiply copper stranded conductor that the other end of twisted wire FFC exposes, and other end punch die forms the structure with plate end stand coupling.
2. the Low Voltage Differential Signal line that is applied to notebook computer as claimed in claim 1 is characterized in that, the outer surface of described twisted wire FFC posts characteristic impedance control material.
3. the Low Voltage Differential Signal line that is applied to notebook computer 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 Low Voltage Differential Signal line that is applied to notebook computer 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.
5. the Low Voltage Differential Signal line that is applied to notebook computer 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 Low Voltage Differential Signal line that is applied to notebook computer as claimed in claim 1 is characterized in that, upper strata insulating coating, the lower floor's insulating coating of described twisted wire FFC, the first flat FFC and the second flat FFC are the PET material.
7. the Low Voltage Differential Signal line that is applied to notebook computer as claimed in claim 1 is characterized in that described metal-back comprises metal upper casing and metal lower shell; One end of described metal upper casing and metal lower shell is fixedly connected, side is provided with corresponding buckle and draw-in groove, and leaves the space of passing through for the flat copper wire of the first flat FFC between metal upper casing and the metal lower shell fastening back; One end of the flat copper wire of the first flat FFC exposes its exposed end after passing described space; The side of described metal upper casing and metal lower shell also is provided with the folding position of metal-back;
At the end that metal-back is installed, the band buckle structure one end punch die of the described first flat FFC has protruding end and female end, and protruding end and folding position are suitable, and it is suitable with female end that buckle and draw-in groove fasten the back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062566 CN203193089U (en) | 2013-02-04 | 2013-02-04 | Low voltage differential signaling wire applied to notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062566 CN203193089U (en) | 2013-02-04 | 2013-02-04 | Low voltage differential signaling wire applied to notebook computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193089U true CN203193089U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320062566 Expired - Fee Related CN203193089U (en) | 2013-02-04 | 2013-02-04 | Low voltage differential signaling wire applied to notebook computer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203193089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119772A (en) * | 2018-04-08 | 2019-01-01 | 宁波贝特贝尔通信设备有限公司 | A kind of ultrahigh speed is noiseless node data connection structure and its method |
-
2013
- 2013-02-04 CN CN 201320062566 patent/CN203193089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119772A (en) * | 2018-04-08 | 2019-01-01 | 宁波贝特贝尔通信设备有限公司 | A kind of ultrahigh speed is noiseless node data connection structure and its method |
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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: 20130911 Termination date: 20180204 |