CN107369932A - High speed rear panel connector with multilayer wiring printed board - Google Patents
High speed rear panel connector with multilayer wiring printed board Download PDFInfo
- Publication number
- CN107369932A CN107369932A CN201710672693.2A CN201710672693A CN107369932A CN 107369932 A CN107369932 A CN 107369932A CN 201710672693 A CN201710672693 A CN 201710672693A CN 107369932 A CN107369932 A CN 107369932A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- high speed
- rear panel
- printed boards
- pcb printed
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
Abstract
The invention discloses a kind of High speed rear panel connector with multilayer wiring printed board, belong to a kind of high speed transmission of signals connector, including the first pedestal and the second pedestal, first pedestal is fastened with the second pedestal and is integrated, multiple PCB printed boards are provided with first pedestal side by side, multiple PCB printed boards being fixed on the first pedestal in facade, the side of the second pedestal is provided with multiple through holes, contact feet is mounted in multiple through holes, contact feet is connected with respective PCB printed boards；PCB printed boards include bottom, top layer and intermediate layer.By being connected up in High speed rear panel connector using PCB printed boards so that signal transmssion line is more uniform, and constant cross-sectional area, it is ensured that constant characteristic impedance, realize good impedance matching, signal reflex and distortion are reduced into minimum.By PCB printed boards top layer and the ground plane of bottom, using plated through-hole as bridge, the return path of signal transmission is formed, the coupling inductance between transmission line can be reduced, reduces the crosstalk between signal.
Description
Technical field
The present invention relates to a kind of High speed rear panel connector, and in particular, the invention mainly relates to one kind to have laminates
The High speed rear panel connector of line printed board.
Background technology
High speed rear panel connector is a kind of common signal transmission connector part, at present the kind of this kind of interface unit on the market
Class is varied, and structure is also different, is in high-speed transfer by it, is influenceed by interface unit inherent structure, easily
The distorted signals caused by its own impedance and signal cross-talk, laser propagation effect and speed are influenceed, thus be necessary for connecting at a high speed
The structure for connecing device is studied and improved.
The content of the invention
An object of the present invention is to be directed to above-mentioned deficiency, there is provided a kind of High speed rear panel with multilayer wiring printed board
Connector, the transmission effect of signal can be influenceed it is expected to solve the impedance because of high speed connector itself and signal cross-talk in the prior art
The technical problem such as fruit and speed.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of High speed rear panel connector with multilayer wiring printed board provided by the present invention, including the first pedestal and
Two pedestals, first pedestal are fastened with the second pedestal and are integrated, and are provided with multiple PCB printed boards on first pedestal side by side,
The multiple PCB printed boards being fixed on the first pedestal in facade, the side of second pedestal is provided with multiple through holes, institute
State and contact feet is mounted in multiple through holes, the contact feet is connected with respective PCB printed boards；The PCB printed boards bag
Bottom, top layer and intermediate layer are included, the bottom and top layer are with reference to stratum and signal contact area, and the intermediate layer is difference
To signal lead layer, and insulating barrier is equipped between the bottom and top layer and top layer and intermediate layer.
Preferably, further technical scheme is：Multiple through holes on second pedestal are in longitudinal row of multiple row
Arrange, the contact feet installed in each column through hole is connected with same PCB printed boards.
Further technical scheme is：Multiple leads, the axial direction of the lead are installed on second pedestal
It is consistent with the installation direction of the contact feet.
Further technical scheme is：The multiple lead is upper in the transversely arranged side for being placed in the second pedestal
Portion.
Further technical scheme is：First pedestal is provided with multiple slots side by side, is installed in each slot
One PCB printed board.
Further technical scheme is：The bottom of the first described pedestal, which is additionally provided with, plugs together groove, it is described plug together groove with it is more
Individual slot is connected, and the bottom of the multiple PCB printed boards is placed in plugging together the inside of groove.
Further technical scheme is：The longitudinal section of first pedestal and the second pedestal is in mutually identical L-type.
Further technical scheme is：The shape of the multiple PCB printed boards, with the first pedestal, the second base combination
Longitudinal section after being integrated matches.
Compared with prior art, one of beneficial effects of the present invention are：By using PCB to print in High speed rear panel connector
Making sheet is connected up so that signal transmssion line is more uniform, and constant cross-sectional area, it is ensured that constant characteristic impedance, is realized
Good impedance matching, signal reflex and distortion are reduced to minimum.By PCB printed boards top layer and the ground plane of bottom, with
Plated through-hole is bridge, form signal transmission return path, do not broaden uniformly plane return path, it is possible to reduce transmission line it
Between coupling inductance, reduce the crosstalk between signal, a kind of while high speed with multilayer wiring printed board provided by the present invention
Back panel connector is simple in construction, and suitable for being installed and used on homologous series device, application is wide.
Brief description of the drawings
Fig. 1 is the structural representation for illustrating one embodiment of the invention；
Fig. 2 is the part fractionation structural representation for illustrating one embodiment of the invention；
Fig. 3 is the TOP faces structural representation for illustrating PCB printed boards in one embodiment of the invention；
Fig. 4 is the BOT faces structural representation for illustrating PCB printed boards in one embodiment of the invention；
Fig. 5 is enlarged drawing at Fig. 3 A；
In figure, 1 be the first pedestal, 11 be slot, 12 for plug together groove, 2 be the second pedestal, 3 be PCB printed boards, 4 be contact
Pin, 5 are lead.
Embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings.
With reference to shown in figure 1 and Fig. 2, one embodiment of the present of invention is a kind of High speed rear panel with multilayer wiring printed board
Connector, including the first pedestal 1 and the second pedestal 2, the first pedestal 1 is fastened with the second pedestal 2 and is integrated, it is even more important
, multiple PCB printed boards 3 are arranged side by side on the first pedestal, and be in the fixation of facade by aforesaid plurality of PCB printed boards 3
On the first pedestal 1；Multiple through holes are set in the side of foregoing second pedestal 2 again, installation contact is both needed in these multiple through holes
Pin 4, and these contact feets 4 need to be connected with respective PCB printed boards 3, be described based on foregoing structure, it is clear that, it is foregoing
Connection refer to electrically connecting；
Also, with reference to shown in Fig. 3 and Fig. 4, above-mentioned PCB printed boards 3 need to include bottom, top layer and intermediate layer, wherein bottom
Be with reference to stratum and signal contact area with top layer, and intermediate layer is differential pair signal routing layer, and bottom with top layer, with
And be both needed to set a layer insulating between top layer and intermediate layer, the insulating barrier, which can use, meets all kinds of exhausted of high-speed transfer index
The material of edge medium is processed into.The PCB printed boards of aforementioned structure may be such that the differential pair signal line and single-ended signal of connector
Line and ground wire are distributed in different layers, and sharpest edges are effectively to reduce crosstalk.Foregoing top layer and bottom are with reference to stratum and letter
Number contact area realizes golden finger equivalent to alleged golden finger is accustomed in this area by plated through-hole at B as shown in Figure 5
With the electric connection of signal lead.
Mutually fastened for ease of the first pedestal 1 and the second pedestal 2, can be equal by the longitudinal section of the first pedestal 1 and the second pedestal 2
It is arranged to the L-type mutually coincideing, i.e., state as shown in Figure 1；And in order to increase the globality of connector, PCB printed boards are most
Well embedded in the inside of the first pedestal 1 and the second pedestal 2, thus above-mentioned multiple PCB printed boards 3 can be shaped to and the
One pedestal 1, the longitudinal section after the second pedestal 2 is combined into one match, so that what multiple PCB printed boards can be side by side is placed in
The inside of one pedestal 1 and the second pedestal 2.
In the present embodiment, by being connected up in High speed rear panel connector using PCB printed boards 3 so that signal passes
Defeated line is more uniform, and constant cross-sectional area, it is ensured that constant characteristic impedance, good impedance matching is realized, signal is anti-
Penetrate and be reduced to minimum with distortion.By the top layer of PCB printed boards 3 and the ground plane of bottom, using plated through-hole as bridge, signal is formed
The return path of transmission, do not broaden uniformly plane return path, it is possible to reduce the coupling inductance between transmission line, reduce signal between
Crosstalk, while a kind of High speed rear panel connector construction with multilayer wiring printed board provided by the present invention is simple, is suitable to
Installed and used on homologous series device, application is wide.
Referring again to shown in Fig. 1, according to another embodiment of the present invention, contacted for the ease of contact feet 4 with PCB printed boards,
Signal transmission is also allowed for, multiple through holes on the second pedestal 2 can be arranged to longitudinal arrangement in multiple row, and make each column through hole
The contact feet 4 of middle installation is connected with same PCB printed boards 3.Further, to enable installation printed board and the second pedestal
Multiple contact feets 4 on 2 easily contact, and prevent the signal attenuation caused by loose contact or transmission terminal problem, can exist again
Multiple leads 5 are installed, the axial direction of these leads 5 is consistent with the installation direction of contact feet 4 on second pedestal 2；In this way,
In the presence of lead so that installation printed board can be in a fixed position and the phase of multiple contact feets 4 on the second pedestal 2
Contact and install, ensure the stability of High speed rear panel connector connection.
Go out as shown in Figure 1, for the structure of further optimization High speed rear panel connector, inventor is in the present embodiment
Directly it is in the top of the transversely arranged side for being placed in the second pedestal 2 by above-mentioned lead 5.
As shown in Fig. 2 in the present invention is used to solve the more preferred one embodiment of technical problem, for ease of first
Above-mentioned multiple PCB printed boards are installed on pedestal 1, multiple slots 11 side by side, and each slot can be set on the first pedestal 1
11 width under the thickness of PCB printed boards with being adapted, so as to by a PCB printed board is installed in insertion in each slot 11
3, consequently facilitating being electrically connected with the contact feet 4 on the second pedestal 2.
Above-mentioned described High speed rear panel connector is the male end structure of connector, and be can easily and connector
Female end is mutually plugged together, and above-mentioned male end structure can be improved, and specially also setting up one in the bottom of the first pedestal 1 plugs together groove
12, this plugs together groove 12 and is connected with multiple slots 11, and then makes the bottom of multiple PCB printed boards 3 be placed in plugging together the interior of groove 12
Portion, so that plugging together groove 12 can easily be fastened in connector female end, make in lower end and the connector female end of PCB printed boards 3
Terminal be in contact.
As described by the above embodiments of the present invention, above-mentioned High speed rear panel connector mainly uses internal wiring structure
PCB printed boards realize high speed transmission of signals, PCB printed boards metal level is 3 layers and the above number of plies, and top layer and bottom are reference
Stratum and signal contact area (golden finger), intermediate layer are differential pair signal routing layer, are between layers insulating dielectric materials
Layer.Differential pair signal line and single-ended signal line and ground wire are distributed in different layers, sharpest edges are effectively to reduce crosstalk.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual
Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the variations and modifications of progress, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of High speed rear panel connector with multilayer wiring printed board, including the first pedestal (1) and the second pedestal (2), institute
The first pedestal (1) is stated to be integrated with the second pedestal (2) fastening, it is characterised in that：It is provided with side by side on first pedestal (1) multiple
PCB printed boards (3), the multiple PCB printed boards (3) being fixed on the first pedestal (1) in facade, second pedestal
(2) side is provided with multiple through holes, is mounted on contact feet (4) in the multiple through hole, the contact feet (4) with it is respective
PCB printed boards (3) are connected；
The PCB printed boards (3) include bottom, top layer and intermediate layer, and the bottom is to be connect with reference to stratum and signal with top layer
Region is touched, the intermediate layer is differential pair signal routing layer, and is all provided between the bottom and top layer and top layer and intermediate layer
There is insulating barrier.
2. the High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Described
Multiple through holes on two pedestals (2) are in longitudinal arrangement of multiple row, the contact feet (4) installed in each column through hole with it is same
PCB printed boards (3) are connected.
3. the High speed rear panel connector according to claim 1 or 2 with multilayer wiring printed board, it is characterised in that：Institute
State and multiple leads (5) are installed on the second pedestal (2), the axial direction of the lead (5) and the installation side of the contact feet (4)
To consistent.
4. the High speed rear panel connector according to claim 1 or 2 with multilayer wiring printed board, it is characterised in that：Institute
State the top that multiple leads (5) are in the transversely arranged side for being placed in the second pedestal (2).
5. the High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Described
One pedestal (1) is provided with multiple slots (11) side by side, and a PCB printed board (3) is installed in each slot (11).
6. the High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Described
The bottom of first pedestal (1), which is additionally provided with, plugs together groove (12), and the groove (12) that plugs together is connected with multiple slots (11), the multiple
The bottom of PCB printed boards (3) is placed in plugging together the inside of groove (12).
7. the High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Described
The longitudinal section of one pedestal (1) and the second pedestal (2) is in mutually identical L-type.
8. the High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：It is described more
The shape of individual PCB printed boards (3), the longitudinal section with the first pedestal (1), after the second pedestal (2) is combined into one match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672693.2A CN107369932A (en) | 2017-08-08 | 2017-08-08 | High speed rear panel connector with multilayer wiring printed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672693.2A CN107369932A (en) | 2017-08-08 | 2017-08-08 | High speed rear panel connector with multilayer wiring printed board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107369932A true CN107369932A (en) | 2017-11-21 |
Family
ID=60310207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710672693.2A Pending CN107369932A (en) | 2017-08-08 | 2017-08-08 | High speed rear panel connector with multilayer wiring printed board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107369932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546386A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | Back panel connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546386A (en) * | 2019-01-18 | 2019-03-29 | 四川华丰企业集团有限公司 | Back panel connector |
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Address after: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Applicant after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Applicant before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
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