CN207149744U - Bus High speed rear panel connector with multilayer wiring printed board - Google Patents
Bus High speed rear panel connector with multilayer wiring printed board Download PDFInfo
- Publication number
- CN207149744U CN207149744U CN201720984471.XU CN201720984471U CN207149744U CN 207149744 U CN207149744 U CN 207149744U CN 201720984471 U CN201720984471 U CN 201720984471U CN 207149744 U CN207149744 U CN 207149744U
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- pedestal
- high speed
- rear panel
- printed boards
- panel connector
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Abstract
The utility model 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
A kind of High speed rear panel connector is the utility model is related to, in particular, the utility model relates generally to a kind of tool
There is the bus High speed rear panel connector of multilayer wiring 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.
Utility model content
One of the purpose of this utility model is to be directed to above-mentioned deficiency, there is provided a kind of bus with multilayer wiring printed board
High speed rear panel connector, it is expected to solve, the impedance because of high speed connector itself and signal cross-talk can influence signal in the prior art
Laser propagation effect and the technical problem such as speed.
To solve above-mentioned technical problem, the utility model uses following technical scheme：
A kind of bus High speed rear panel connector with multilayer wiring printed board provided by the utility model, including first
Pedestal and the second pedestal, first pedestal are fastened with the second pedestal and are integrated, and are provided with multiple PCB on first pedestal side by side
Printed board, the multiple PCB printed boards being fixed on the first pedestal in facade, the side of second pedestal is provided with multiple
Through hole, contact feet is mounted in the multiple through hole, the contact feet is connected with respective PCB printed boards；The PCB prints
Making sheet includes bottom, top layer and intermediate layer, and the bottom and top layer are with reference to stratum and signal contact area, the intermediate layer
For differential pair signal routing 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 the beneficial effects of the utility model are：By being used in High speed rear panel connector
PCB printed boards are connected up so that signal transmssion line is more uniform, and constant cross-sectional area, it is ensured that constant characteristic impedance,
Good impedance matching is realized, signal reflex and distortion are reduced to minimum.Pass through PCB printed boards top layer and the ground wire of bottom
Layer, using plated through-hole as bridge, the return path of signal transmission is formed, do not broaden uniformly plane return path, it is possible to reduce pass
Coupling inductance between defeated line, the crosstalk between signal is reduced, at the same it is provided by the utility model a kind of with multilayer wiring print
The bus High speed rear panel connector construction of making sheet is simple, 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 the utility model one embodiment；
Fig. 2 is the part fractionation structural representation for illustrating the utility model one embodiment；
Fig. 3 is the TOP faces structural representation for illustrating PCB printed boards in the utility model one embodiment；
Fig. 4 is the BOT faces structural representation for illustrating PCB printed boards in the utility model one embodiment；
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 utility model 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 utility model is a kind of bus with multilayer wiring printed board
High speed rear panel 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,
What is more important, multiple PCB printed boards 3 are arranged side by side on the first pedestal, and by aforesaid plurality of PCB printed boards 3 in vertical
Face is fixed on the first pedestal 1；Multiple through holes are set in the side of foregoing second pedestal 2 again, are both needed in these multiple through holes
Contact feet 4 is installed, 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
, foregoing connection refers 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 by the longitudinal section of the first pedestal 1 and the second pedestal 2
It is disposed as 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
Preferably 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
First 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 first 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 it is provided by the utility model it is a kind of with multilayer wiring printed board bus High speed rear panel connector construction letter
Single, suitable for being installed and used on homologous series device, application is wide.
Referring again to shown in Fig. 1, according to another embodiment of the present utility model, connect for the ease of contact feet 4 and PCB printed boards
Touch, also allow for signal transmission, multiple through holes on the second pedestal 2 can be arranged to longitudinal arrangement in multiple row, and make each column
The contact feet 4 installed in through hole is connected with same PCB printed boards 3.Further, to enable installation printed board and second
Multiple contact feets 4 on pedestal 2 easily contact, and prevent the signal attenuation caused by loose contact or transmission terminal problem, can
Multiple leads 5 are installed on the second pedestal 2 again, the axial direction of these leads 5 is consistent with the installation direction of contact feet 4；
In this way, in the presence of lead so that installation printed board can contact a fixed position with multiple on the second pedestal 2
Pin 4 is in contact and installed, and ensures 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 be used for solving the more preferred one embodiment of technical problem in the utility model, for ease of
Above-mentioned multiple PCB printed boards are installed on the first pedestal 1, multiple slots 11 side by side can be set on the first pedestal 1, and each
The width of slot 11 under the thickness of PCB printed boards with being adapted, so as to by a PCB print is installed in insertion in each slot 11
Making sheet 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 utility model the above embodiments, above-mentioned High speed rear panel connector mainly uses internal wiring
High speed transmission of signals is realized in the PCB printed boards of structure, and PCB printed boards metal level is 3 layers and the above number of plies, and top layer and bottom are
With reference to stratum and signal contact area (golden finger), intermediate layer is differential pair signal routing layer, is between layers dielectric
Material layer.Differential pair signal line and single-ended signal line and ground wire are distributed in different layers, sharpest edges are effectively to reduce string
Disturb.
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 also fall in the scope of the utility model.
Although reference be made herein to the utility model is described multiple explanatory embodiments of the present utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment
It will fall within spirit disclosed in the present application and spirit.More specifically, in disclosure, drawings and claims
In the range of, a variety of variations and modifications can be carried out to the building block and/or layout of theme combination layout.Except to building block
And/or outside the variations and modifications of layout progress, to those skilled in the art, other purposes also will be apparent.
Claims (8)
1. a kind of bus High speed rear panel connector with multilayer wiring printed board, including the first pedestal (1) and the second pedestal
(2), first pedestal (1) fastens with the second pedestal (2) and is integrated, it is characterised in that：Set side by side on first pedestal (1)
There are multiple PCB printed boards (3), the multiple PCB printed boards (3) being fixed on the first pedestal (1) in facade, described second
The side of pedestal (2) is provided with multiple through holes, is mounted on contact feet (4) in the multiple through hole, the contact feet (4) with each
PCB printed boards (3) be 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 bus High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Institute
State longitudinal arrangement that multiple through holes on the second pedestal (2) are in multiple row, the contact feet (4) installed in each column through hole with it is same
Individual PCB printed boards (3) are connected.
3. the bus High speed rear panel connector according to claim 1 or 2 with multilayer wiring printed board, its feature exist
In：Multiple leads (5), axial direction and the contact feet (4) of the lead (5) are installed on second pedestal (2)
Installation direction is consistent.
4. the bus High speed rear panel connector according to claim 1 or 2 with multilayer wiring printed board, its feature exist
In：The multiple lead (5) is in the top of the transversely arranged side for being placed in the second pedestal (2).
5. the bus High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Institute
State the first pedestal (1) and be provided with multiple slots (11) side by side, a PCB printed board (3) is installed in each slot (11).
6. the bus High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Institute
The bottom for the first pedestal (1) stated, which is additionally provided with, plugs together groove (12), and the groove (12) that plugs together is connected with multiple slots (11), institute
The bottom for stating multiple PCB printed boards (3) is placed in plugging together the inside of groove (12).
7. the bus High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Institute
The first pedestal (1) is stated with the longitudinal section of the second pedestal (2) in mutually identical L-type.
8. the bus High speed rear panel connector according to claim 1 with multilayer wiring printed board, it is characterised in that：Institute
The shape of multiple PCB printed boards (3) is stated, the longitudinal section with the first pedestal (1), after the second pedestal (2) is combined into one matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984471.XU CN207149744U (en) | 2017-08-08 | 2017-08-08 | Bus High speed rear panel connector with multilayer wiring printed board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984471.XU CN207149744U (en) | 2017-08-08 | 2017-08-08 | Bus High speed rear panel connector with multilayer wiring printed board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149744U true CN207149744U (en) | 2018-03-27 |
Family
ID=61674607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720984471.XU Active CN207149744U (en) | 2017-08-08 | 2017-08-08 | Bus High speed rear panel connector with multilayer wiring printed board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369932A (en) * | 2017-08-08 | 2017-11-21 | 四川华丰企业集团有限公司 | High speed rear panel connector with multilayer wiring printed board |
| WO2020060942A1 (en) * | 2018-09-17 | 2020-03-26 | Hiller Measurements, Inc. | Instrumentation systems with expanded capabilities |
-
2017
- 2017-08-08 CN CN201720984471.XU patent/CN207149744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369932A (en) * | 2017-08-08 | 2017-11-21 | 四川华丰企业集团有限公司 | High speed rear panel connector with multilayer wiring printed board |
| WO2020060942A1 (en) * | 2018-09-17 | 2020-03-26 | Hiller Measurements, Inc. | Instrumentation systems with expanded capabilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |