CN102339659A - High-frequency high-speed data transmission cable - Google Patents
High-frequency high-speed data transmission cable Download PDFInfo
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- CN102339659A CN102339659A CN2011101775460A CN201110177546A CN102339659A CN 102339659 A CN102339659 A CN 102339659A CN 2011101775460 A CN2011101775460 A CN 2011101775460A CN 201110177546 A CN201110177546 A CN 201110177546A CN 102339659 A CN102339659 A CN 102339659A
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Abstract
The invention discloses a high-frequency high-speed data transmission cable. The high-frequency high-speed data transmission cable comprises a plurality of conducting wires, at least one ground wire and a total shielding layer, wherein the conducting wires comprise conductors and insulating layers which cover the conductors; the ground wires consist of conductors; the conducting wires comprise signal wires and a zero line; the signal wires, the zero line and the ground wires are arranged into a row, and the conductors of the signal wires, the zero line and the ground wires are arranged into a row; and the total shielding layer covers the signal wires, the zero line and the ground wires and is appressed with the conductors of the ground wires. In the high-frequency high-speed data transmission cable, a grounding conductor in the conventional signal wire is removed, and the bare conductors are used as the ground wires and are appressed with the ground wires through the total shielding layer to make the ground wires electrically connected with the total shielding layer; the signal wires and the zero line are covered by the total shielding layer connected with the ground wires, so that the external interference on the signal wires and interference among the signal wires are effectively prevented; and the total number of the conductors in the cable is reduced after the grounding conductor is removed, so that the structure of the cable is simplified, and the cable has a reasonable layout, is convenient to use and is suitable for a Mini SAS (Mini serial attached small computer system interface).
Description
Technical field
The present invention relates to a kind of data transmission cable, relate in particular to the high-frequency high-speed data transmission cable of a kind of Mini of being used for SAS.
Background technology
Mini SAS is used for the sata standard interface of hard disk; It is a kind of hard disk connector; Be mainly used in SATA (serial advanced technology attachment; The serial ATA standard interface) and SAS (serial attached Small Computer System Interface, serial SCS I standard interface).
With reference to figure 1 and Fig. 2; Traditional mini SAS hard disk connector 100 comprises data line 110 and is connected the connector at data line 110 two ends; Said connector comprises circuit board 130 and the insulation crust 140 of said circuit board 130 is installed; Said data line 110 has two and coated outside that insulation braid 120 is arranged; Said data line 110 is made up of some lead parallel arranged, and said lead comprises 111,112,113,114 and zero lines 115 of four holding wires, and said holding wire 111,112,113,114 includes four conductors that are arranged in a row 101 and coats the insulating barrier 102 of said four conductors; Four conductors of said holding wire 111,112,113,114 are respectively two earthing conductors that are arranged in two middle signal conductors and are arranged in both sides; Said insulating barrier 102 outsides are coated with sub-shield 116, and said sub-shield 116 is coated with laminated polyester film 117, and said zero line 115 comprises four conductors that are arranged in a row 101 and the insulating barrier 102 that coats said four conductors; Said holding wire 111,112,113,114 is symmetrically distributed in said zero line 115 both sides, and the conductor in the said lead is arranged in a row; With reference to figure 3; Traditional circuit board 130 1 ends are formed with and the conveying terminal 132 that is electrically connected with the connector of outside; The other end is formed with the splicing ear 131 that is electrically connected with said data line 110; Said splicing ear 131 is totally 36 upside and downsides that are evenly distributed on said circuit board 130, and every side has 131,18 splicing ears of 18 splicing ears and is electrically connected with 20 conductors of a single data transmission line 110 respectively.Data line 110 during with circuit board 131 welding, is needed carry out winding displacement to the lead in the data line 110 earlier, 20 conductors and 18 splicing ears of circuit board 130 upper sides that sequence in the line lead are welded (with reference to figure 3); Again the lead in another data line 110 is carried out winding displacement, 18 splicing ears of 20 conductors in the lead that sequences line and circuit board 130 downsides are welded; Use some wire harness to tie up two parallel data lines 110 of arranging at last, outside two data lines of tying up 110, coat the insulation braid 120 and the interface pressing of the braid 120 that will insulate again.
Yet, on the one hand,, need carry out winding displacement to the conductor in the data line 110 earlier because 20 solderable conductors in the data line 110 are received 131 last times of splicing ear, easy error during operation, difficulty is big and efficient is low; On the other hand; As shown in Figure 3; Because every side has 18 splicing ears 131 in the circuit board 130, and has 20 conductors in the data line 110, when splicing ear 131 and conductor are welded one by one; Two adjacent earthing conductors are mediated and are welded on the earth terminal 131 in two earthing conductors that need holding wire 111,112 is adjacent and the holding wire 112,113; Make that technology is loaded down with trivial details and error rate is high, not only influence the rate of finished products of mini SAS hard disk connector 100, and reduced the production efficiency of mini SAS hard disk connector 100.
Therefore, need be a kind of simple in structure, rationally distributed, be easy to be connected data line easy to use with circuit board.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structurely, rationally distributed, be easy to be connected, high-frequency high-speed data transmission cable easy to use with circuit board.
For on realizing purpose is arranged; The invention discloses a kind of high-frequency high-speed data transmission cable; Comprise some leads, at least one ground wire and total screen, said lead comprises conductor and the insulating barrier that coats said conductor, and said ground wire is made up of conductor; Said lead is divided into holding wire and zero line; Said holding wire, zero line and ground wire are arranged in a row, and the conductor of said holding wire, zero line and ground wire is arranged in a row, and said total screen coats said holding wire, zero line and ground wire and fits with the conductor of said ground wire.
The preferably, said holding wire is four, and the conductor of each said holding wire is two, and four said holding wires are symmetric arrays in said zero line both sides.Like this; Two holding wires are arranged side by side in the zero line left side; Other two holding wires are arranged side by side in the zero line right side; Make in the holding wire conductor in twos one group of symmetric arrays in the zero line both sides, relative with the position of splicing ear on the circuit board in the mini SAS hard disk, make things convenient for the application of high-frequency high-speed data transmission cable in Mini SAS.
The preferably, said ground wire is two, two said ground wires are the both sides of symmetric arrays at said high-frequency high-speed data transmission cable, and whole cable is played better shielding action, prevent the interference of outer bound pair holding wire and the interference between the holding wire.
The preferably, said zero line is one, and the conductor of said zero line is four, and said zero line is arranged in the central authorities of said high-frequency high-speed data transmission cable.
The preferably, said total screen is coated with insulating thin layer.Insulating thin layer not only plays the effect of insulation shielding to whole high-frequency high-speed data transmission cable, and it is little to take up room.
Particularly, said insulating thin layer is a laminated polyester film, and said total screen is an aluminium foil layer.
The preferably, said insulating barrier is a soluble poly tetrafluoroethene material, said conductor is an aluminium material.
Compared with prior art; The present invention has removed the earthing conductor in the classical signals line, adopts exposed conductor as ground wire, and fits through total screen and ground wire; Make and be electrically connected between ground wire and the total screen; Holding wire is wrapped up by the total screen that links to each other with ground wire with zero line, thereby prevents the interference of outer bound pair holding wire and the interference between the holding wire, and shield effectiveness is good; On the other hand; The present invention has reduced conductor total number in the high-frequency high-speed data transmission cable through the earthing conductor that removes in the holding wire; Solved because the link subnumber owing to circuit board must be with the problem of earthing conductor kneading welding adjacent in the cable less than the conductor number of cable among traditional Mini SAS; Having simplified the structure of high-frequency high-speed data transmission cable, is the welding between rationally distributed and the convenient and circuit board of the present invention.
Description of drawings
Fig. 1 is the structural representation of traditional mini SAS hard disk connector.
Fig. 2 is the cutaway view that Fig. 1 cuts open along the A-A line.
Fig. 3 is the welding sketch map of data line and circuit board in traditional mini SAS hard disk connector.
Fig. 4 is the sectional view of high-frequency high-speed data transmission cable of the present invention.
Fig. 5 is the welding sketch map of high-frequency high-speed data transmission cable of the present invention and circuit board.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
With reference to figure 4; High-frequency high-speed data transmission cable 200 of the present invention; Comprise at least one ground wire 23, some leads and total screen 24, said lead comprises conductor 201 and the insulating barrier 202 that coats said conductor 201, and said lead is divided into holding wire 21 and zero line 22; Said ground wire 23 is made up of conductor 201; Be arranged in a row in said holding wire 21, zero line 22 and the ground wire 23, and the conductor 201 in said holding wire 21, zero line 22 and the ground wire 23 is arranged in a row, said total screen 24 coats said holding wire 21, zero line 22 and ground wire 23 and fits with the conductor 201 of ground wire 23.
The preferably, said holding wire 21 is four, is respectively holding wire 211,212,213,214, and whenever the conductor 201 with holding wire 21 is two, and four holding wire 211,212,213,214 symmetric arrays are in said zero line 22 both sides.Like this, holding wire 211,212 is arranged side by side in zero line 22 left sides, and holding wire 213,214 is arranged side by side in zero line 22 right sides, makes that the conductor 201 in the holding wire 21 is relative with splicing ear 311 positions in the circuit board 31, makes the present invention be applicable to mini SAS.
The preferably; Said ground wire 23 is two; Two ground wires 23 are the outermost both sides of symmetric arrays at said high-frequency high-speed data transmission cable 200, and holding wire 21 has been played better shielding action, prevent the interference of outer bound pair holding wire 21 and the interference between the holding wire 21.
The preferably; Said zero line 22 is one, and the conductor 201 of said zero line 22 is four, and said zero line 22 is arranged in the central authorities of said high-frequency high-speed data transmission cable 200; Make that the splicing ear 311 of conductor 201 and circuit board 31 of zero line 22 is corresponding, make the present invention be applicable to mini SAS.
The preferably, said total screen 24 is coated with insulating thin layer 25, and said insulating thin layer 25 is a laminated polyester film, and said total screen 24 is an aluminium foil layer, and said insulating barrier 202 is a soluble poly tetrafluoroethene material, said conductor 201 is an aluminium material.
With reference to figure 5; Be the sketch map that is connected between high-frequency high-speed data transmission cable 200 of the present invention and the circuit board 31; Said circuit board 31 1 ends are formed with the conveying terminal 32 that is connected with outside connector; The other end is formed with the splicing ear 311 that is connected with the conductor 201 of said high-frequency high-speed data transmission cable 200; Totally 36 and be evenly distributed on the both sides up and down of said circuit board 130 of said splicing ears 31; Every side has 18 splicing ears, and 18 splicing ears 31 are divided into four zero terminals that link to each other with the conductor 201 of zero line 22, two earth terminals that link to each other with the conductor 201 of ground wire 23, four data terminal that link to each other with the conductor 201 of holding wire 21 and four dead end, when high-frequency high-speed data transmission cable 200 is welded with circuit board 31; Earlier that 14 conductors in the high-frequency high-speed data transmission cable 200 201 are relative with splicing ear 31 positions, it is easy to use to re-use the welding equipment welding.
Compared with prior art; The present invention has removed the earthing conductor in the classical signals line, and adopts bare exposed conductor 201 as ground wire 23, and fits 3 through total screen 24 with ground wire 23; Make and be electrically connected between ground wire 23 and the total screen 24; And holding wire 21 wraps up by the total screen that links to each other with ground wire 23 with zero line 22, prevents the interference of outer bound pair holding wire 21 and the interference between the holding wire 21, and shield effectiveness is good; On the other hand; The present invention has removed the earthing conductor in the holding wire 21; The quad of original signal line has been become two heart yearns, reduced conductor 201 total numbers in the high-frequency high-speed data transmission cable 200, solved because the link subnumber owing to circuit board must be with the problem of earthing conductor kneading welding adjacent in the cable less than the conductor number of cable among traditional Mini SAS; Simplified the structure of high-frequency high-speed data transmission cable, rationally distributed and convenient the use.
The above disclosed the preferred embodiments of the present invention that are merely can not limit the present invention's interest field certainly with this, so according to the equivalent variations that claim of the present invention is done, still belong to the scope that the present invention is contained.
Claims (9)
1. high-frequency high-speed data transmission cable; It is characterized in that: comprise some leads, at least one ground wire and total screen, said lead comprises conductor and the insulating barrier that coats said conductor, and said ground wire is made up of conductor; Said lead is divided into holding wire and zero line; Said holding wire, zero line and ground wire are arranged in a row, and the conductor of said holding wire, zero line and ground wire is arranged in a row, and said total screen coats said holding wire, zero line and ground wire and fits with the conductor of said ground wire.
2. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said holding wire is four, and the conductor of each said holding wire is two, and what four said holding wires were symmetry is arranged in said zero line both sides.
3. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said ground wire is two, and two said ground wires are the outermost both sides that are arranged in said high-frequency high-speed data transmission cable of symmetry.
4. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said zero line is one, and the conductor of said zero line is four, and said zero line is arranged in the central authorities of said high-frequency high-speed data transmission cable.
5. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said total screen is coated with insulating thin layer.
6. high-frequency high-speed data transmission cable as claimed in claim 5 is characterized in that: said insulating thin layer is a laminated polyester film.
7. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said total screen is an aluminium foil layer.
8. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said insulating barrier is a soluble poly tetrafluoroethene material.
9. high-frequency high-speed data transmission cable as claimed in claim 1 is characterized in that: said conductor is an aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101775460A CN102339659A (en) | 2011-06-28 | 2011-06-28 | High-frequency high-speed data transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101775460A CN102339659A (en) | 2011-06-28 | 2011-06-28 | High-frequency high-speed data transmission cable |
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| Publication Number | Publication Date |
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| CN102339659A true CN102339659A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101775460A Pending CN102339659A (en) | 2011-06-28 | 2011-06-28 | High-frequency high-speed data transmission cable |
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| CN (1) | CN102339659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022686A (en) * | 2017-12-29 | 2018-05-11 | 东莞金信诺电子有限公司 | A kind of flexible sides frontier defense conduction high speed data lines |
| CN108551010A (en) * | 2018-05-30 | 2018-09-18 | 深圳市鼎电精密工业有限公司 | A kind of connection structure of cable and pcb board |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040017264A1 (en) * | 2002-07-18 | 2004-01-29 | Comax Technology Inc. | High frequency transmission cable |
| CN201015094Y (en) * | 2007-02-05 | 2008-01-30 | 权威电科技有限公司 | Transmission cable |
| CN201051424Y (en) * | 2007-02-27 | 2008-04-23 | 金桥科技股份有限公司 | Improved cable structure |
| CN201629178U (en) * | 2010-01-27 | 2010-11-10 | 东莞市虎门金山电线电缆有限公司 | Computer data transmission wire cable |
| TW201108257A (en) * | 2009-06-19 | 2011-03-01 | 3M Innovative Properties Co | Shielded electrical cable |
| CN102063963A (en) * | 2009-11-18 | 2011-05-18 | 威海市泓淋电线电缆有限公司 | E-SATA (External-Serial ATA) data transmission cable |
| CN202217527U (en) * | 2011-06-28 | 2012-05-09 | 东莞市日新传导科技股份有限公司 | High-frequency and high-speed data transmission cable |
-
2011
- 2011-06-28 CN CN2011101775460A patent/CN102339659A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040017264A1 (en) * | 2002-07-18 | 2004-01-29 | Comax Technology Inc. | High frequency transmission cable |
| CN201015094Y (en) * | 2007-02-05 | 2008-01-30 | 权威电科技有限公司 | Transmission cable |
| CN201051424Y (en) * | 2007-02-27 | 2008-04-23 | 金桥科技股份有限公司 | Improved cable structure |
| TW201108257A (en) * | 2009-06-19 | 2011-03-01 | 3M Innovative Properties Co | Shielded electrical cable |
| CN102063963A (en) * | 2009-11-18 | 2011-05-18 | 威海市泓淋电线电缆有限公司 | E-SATA (External-Serial ATA) data transmission cable |
| CN201629178U (en) * | 2010-01-27 | 2010-11-10 | 东莞市虎门金山电线电缆有限公司 | Computer data transmission wire cable |
| CN202217527U (en) * | 2011-06-28 | 2012-05-09 | 东莞市日新传导科技股份有限公司 | High-frequency and high-speed data transmission cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022686A (en) * | 2017-12-29 | 2018-05-11 | 东莞金信诺电子有限公司 | A kind of flexible sides frontier defense conduction high speed data lines |
| CN108551010A (en) * | 2018-05-30 | 2018-09-18 | 深圳市鼎电精密工业有限公司 | A kind of connection structure of cable and pcb board |
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Application publication date: 20120201 |