CN109830849A - Modular structure and high speed connector for high speed connector - Google Patents
Modular structure and high speed connector for high speed connector Download PDFInfo
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- CN109830849A CN109830849A CN201910251888.9A CN201910251888A CN109830849A CN 109830849 A CN109830849 A CN 109830849A CN 201910251888 A CN201910251888 A CN 201910251888A CN 109830849 A CN109830849 A CN 109830849A
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- 238000009434 installation Methods 0.000 claims description 10
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Abstract
The invention discloses a kind of modular structures and high speed connector for high speed connector, above-mentioned modular structure includes signal transmission module and the shield assembly that is arranged on signal transmission module, difference signal terminal is arranged at intervals in above-mentioned signal transmission module, there are differential pairs pins, the vertical range A of the difference signal terminal in above-mentioned shield assembly and above-mentioned signal transmission module and differential pairs pins center meet away from B: A < B/8 in above-mentioned difference signal terminal.The present invention guarantees that differential pair impedance variations are as small as possible, to improve the performance of connector by limiting the distance between shield assembly and signal lead.
Description
Technical field
The present invention relates to high speed connector technical fields, and in particular to a kind of modular structure and height for high speed connector
Fast connector.
Background technique
Huafeng Enteriprises Co., Ltd., Sichuan is that one under the holding Group Co., Ltd of Sichuan Changhong's electronics endeavours
It is domestic history longest, largest, kind is most, research and development ability is most strong, core technology in the research and development and production of electric connector
Most electric connector developments and manufacturing enterprise are Chinese electric connector scientific research and production base, electric interconnecting devices industry association, China
It can technique center, electric interconnecting devices employer's organization, China president's unit, the country IEC/TC48 and SC48, International Organization for standardization
Technical centralized unit, company rank among element enterprise, China Electronics list of top 100 for continuous 21 years, and a provincial technology is had in company
Center, Liang Ge research institute, five professional technological experiment rooms, product design, tool and mould design and manufacture, electricity with internal class
Plating and detection technique.The New connector research and development task for undertaking national key scientific research projects for a long time, has filled up state's female connector neck
The multinomial blank in domain.All kinds of connector descriptions that company develops are more than more than 50,000, in military affairs, communication, industry, automobile etc.
Field is widely applied, and has been exported to the developed countries and regions such as Germany, Britain, France, the U.S., Finland, Russia.
High speed connector is widely used in the communication technology, it is large-scale communication apparatus, very-high performance server and huge meter
The common a kind of connector of calculation machine, industrial computer, high-end storage equipment, main function is connecting single board and backboard, veneer
At 90 degree of vertical structures between backboard, high-speed differential signal or single-ended signal and transmitting high current are transmitted.
With the continuous improvement of the communication technology, the requirement for message transmission rate and transmission quality is also higher and higher.Mesh
For preceding existing high speed connector due to the limitation of structure each in connector, it is more serious to occur crosstalk between signal, influences data
Transmission quality.
On the other hand, due to each components cooperate defective tightness, may cause during connector grafting part it
Between displacement, influence the consistency of differential pair impedance.
Summary of the invention
The purpose of the present invention is to provide a kind of modular structure and high speed connector for high speed connector, solve due to
Each components cooperate defective tightness, may cause the displacement between part during connector grafting, influence differential pair resistance
The problem of anti-consistency.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of modular structure for high speed connector, including signal transmission module and the shielding being arranged on signal transmission module
Component is arranged at intervals with difference signal terminal in above-mentioned signal transmission module, draws in above-mentioned difference signal terminal with differential pair
The vertical range A of difference signal terminal in foot, above-mentioned shield assembly and above-mentioned signal transmission module and differential pairs pins center
Meet away from B: A < B/8.
Preferably, above-mentioned signal transmission module and shield assembly carry out plastic packaging, above-mentioned secondary modeling by secondary plastic plate
It is provided with multiple T-type columns on sealing plate, is provided on above-mentioned signal transmission module and shield assembly compatible with above-mentioned T-type column logical
Hole.
Preferably, above-mentioned difference signal terminal is alternatively arranged in pairs and plastic packaging is in plastic packaging shell, above-mentioned plastic packaging shell
Wiring path on body along difference signal terminal is provided with cavity, and difference signal terminal is exposed to outside.
Preferably, the shield assembly on adjacent above-mentioned signal transmission module contacts with each other, one of signal transmits mould
Shield assembly on block is provided with the elastic construction protruded towards shield assembly in adjacent signal transmission module, which passes
Shield assembly in defeated module has and the elastic construction mutually overlapped ground Wiring structure.
Preferably, above-mentioned shield assembly includes the first shielding part and secondary shielding part, above-mentioned secondary shielding part is by leading
It is fixed on the first shielding part to column, above-mentioned elastic construction is arranged on secondary shielding part, and above-mentioned ground Wiring structure is located at above-mentioned
Y type connection knot is formed on first shielding part, and between above-mentioned secondary shielding part and the ground Wiring structure of above-mentioned first shielding part
Structure.
Preferably, above-mentioned first shielding part includes that the shield body being adapted to signal transmission module size and setting exist
The ground connection tail portion of shield body side, above-mentioned ground Wiring structure and above-mentioned ground connection tail portion are located at above-mentioned shield body phase
Adjacent two sides, above-mentioned ground Wiring structure includes multiple spaced contact terminals, and above-mentioned contact terminal is located at adjacent difference
Between signal terminal.
Preferably, above-mentioned secondary shielding part is installed on the top of the ground Wiring structure of above-mentioned first shielding part, and on
It is consistent with the ground contact terminal quantity of Wiring structure and correspond to state the quantity of elastic construction.
Preferably, on above-mentioned secondary shielding part the side of each elastic construction also set up there are two extending direction it is identical
Second elastic construction, and two above-mentioned second elastic constructions are located in different bar shaped grooves.
Preferably, raised frame is provided at the side edge of above-mentioned secondary shielding part, above-mentioned protrusion frame and adjacent shields group
The side edge of secondary shielding part in part is in contact, and the raised frame installation site on adjacent above-mentioned shield assembly is opposite.
A kind of high speed connector, including installation pedestal and the above-mentioned modular structure being plugged in installation pedestal.
Compared with prior art, the beneficial effects of the present invention are:
Signal transmission module and shield assembly are closely adhered to together by the present invention by way of secondary plastic, to guarantee to shield
The distance between component and signal lead are covered, and guarantees the consistency of routing region impedance；On the other hand by limiting shielding group
The distance between part and signal lead guarantee that differential pair impedance variations are as small as possible, to improve the performance of connector.
The present invention combines the shield assembly to be formed, and the phase in shield assembly using the first shielding part and secondary shielding part
The position setting elastic construction and ground Wiring structure answered, by the elastic construction and adjacent shield assembly on shield assembly
Ground Wiring structure mutually overlaps, as far as possible shortening return flow path, improves the crosstalk between differential pair.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the stacked arrangement schematic diagram of modular structure of the invention.
Fig. 3 is the schematic diagram of individual module structure of the invention.
Fig. 4 is the shield assembly of the invention schematic diagram at a distance from signal lead.
Fig. 5 is the structural schematic diagram of signal transmission module of the invention.
Fig. 6 is the structural schematic diagram of secondary plastic plate of the invention.
Location diagram of the Fig. 7 between adjacent shields component of the invention.
Lateral plan of the Fig. 8 between adjacent shields component of the invention.
Fig. 9 is B-B direction cross-sectional view in Fig. 8 of the invention.
Figure 10 is the structural schematic diagram of shield assembly of the invention.
Figure 11 is the structural schematic diagram of the first shielding part of the invention.
Figure 12 is the structural schematic diagram of secondary shielding part of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the combining structure schematic diagram of modular structure and installation pedestal in the high speed connector, in the high speed
In connector, modular structure is plugged on the inside of installation pedestal 40, this modular structure is used as after being mounted in installation pedestal 40 should
The terminative connector of high speed connector, terminative connector is then mating with Male end connector, ultimately forms complete connection
Device structure.
Fig. 2,3 are shown for the modular structure in the high speed connector, include that signal transmits mould in the modular structure
Block 10, shield assembly 20 and secondary plastic plate 30 are arranged at intervals with difference signal terminal 101 in above-mentioned signal transmission module 10,
And difference signal terminal 101 is alternatively arranged in pairs and plastic packaging is inside plastic packaging shell 102, at the differential signal end occurred in pairs
It include that differential pairs pins 104, differential pair ontology 105 and differential pair contact tail portion 106, differential pairs pins 104 and difference in son 101
The both ends of differential pair ontology 105, and differential pairs pins 104 and Male end connector structure are separately positioned on to contact tail portion 106
It plugs；
The path that difference signal terminal 101 is covered is differential signal cabling, in order to guarantee that shield assembly 20 and differential signal are walked
The distance between line guarantees routing region impedance consistency, therefore signal transmission module 10 and shield assembly 20 is passed through secondary
30 plastic packaging of plastic sealed board is to together, while in order to guarantee that differential pair impedance variations are as small as possible, above-mentioned shield assembly 20 and above-mentioned letter
The vertical range A of difference signal terminal 101 in number transmission module 10 and differential pairs pins center meet away from B: A < B/8；With reference to
Shield assembly in Fig. 4 schematic diagram at a distance from signal lead.
With reference to the structural schematic diagram of the secondary plastic plate of Fig. 6, increase signal transmission module during secondary plastic
Binding force between 10 and shield assembly 20 is provided with multiple T-type columns 301, above-mentioned signal transmission on above-mentioned secondary plastic plate 30
Through-hole 11,12 compatible with above-mentioned T-type column 301 is provided in module 10 and shield assembly 20.
In addition, Fig. 5 shows the structural schematic diagram of signal transmission module, along differential signal on above-mentioned plastic packaging shell 102
The wiring path of terminal 101 is provided with cavity 103, and difference signal terminal 101 is exposed to outside.On the plastic packaging shell 102
Cavity is set along the wiring path of difference signal terminal, raw material can be saved, increase module strength；The cavity will be walked simultaneously
Line exposes, and can carry out air insulated and matching impedance, improve the signal transmission performance of connector.
With further reference to Fig. 7~9, the shield assembly 20 on adjacent above-mentioned signal transmission module 10 contacts with each other, wherein one
Shield assembly 20 on a signal transmission module 10 is provided with towards the protrusion of shield assembly 20 in adjacent signal transmission module 10
Elastic construction 201, the shield assembly 20 in the adjacent signal transmission module 10 have that overlapped walks with 201 phase of elastic construction
Cable architecture 202 can shorten return flow path as far as possible through this structure, improve the crosstalk between differential pair.
As shown in Figure 10, above-mentioned shield assembly 20 includes the first shielding part 21 and secondary shielding part 22, above-mentioned secondary shielding
Part 22 is fixed on the first shielding part 21 by guide post 23, in order to make the position between secondary shielding part 22 and the first shielding part 21
It sets that relationship is more stable, meets the relative position size between the first shielding part and secondary shielding part, the first shielding part 21 and the
The position that two shielding parts 22 are in contact is additionally provided with more than two evenly arranged tie points 24.Here connection type not office
It is limited to laser welding, while can also welds using ultrasonic friction and turn over the modes such as riveter skill and be attached, so as to high
Precision positions the relative position between two parts.
First shielding part 21 includes the shield body 211 being adapted to 10 size of signal transmission module and is arranged in shielding part
It is adjacent that the ground connection tail portion 212 of 211 side of main body, ground Wiring structure 202 and ground connection tail portion 212 are located at shield body 211
Two sides, secondary shielding part 22 is fixed in the shield body 211 of the first shielding part 21, the elasticity in shield assembly 20
Structure 201 is mounted on secondary shielding part 22, while secondary shielding part 22 and the first shielding part 21 in each shield assembly 20
Ground Wiring structure 202 from side formed y-type structure, be more conducive to shorten return flow path, lower signal differential pair between
Crosstalk.
The structural schematic diagram of the first shielding part 21 in shield assembly 20 is illustrated such as Figure 11, in first shielding part 21
In, ground Wiring structure 202 includes multiple spaced contact terminals 213, and when shield assembly is mounted on signal transmission mould
When block, the contact terminal 213 on the first shielding part 21 is between adjacent signal terminal 101, i.e. signal terminal 101 and first
Successively space crossings arrange contact terminal 213 on shielding part 21.
Secondary shielding part 22 is installed on 202 top of ground Wiring structure of above-mentioned first shielding part 21, and secondary shielding part 22 divides
For two parts, a part is the coupling part with the first shielding part 21, which is located at the top of secondary shielding part 22, separately
A part is to be provided with the contact portion of elastic construction 201 contacted with other structures, which is located at the second screen
The lower part of shield 22, and coupling part and contact portion are not in the same plane；The top of secondary shielding part 22 passes through fixation
Column and other connection types are fixed in the shield body 211 of the first shielding part 21, other connection types can be Laser Welding
It connects, ultrasonic friction welding and turn over riveter skill etc., lower part, that is, contact portion of secondary shielding part 22 is located at the first shielding part 21
Ground Wiring structure 202 top, while the quantity of the elastic construction 201 on secondary shielding part 22 and adjacent shield assembly
In ground Wiring structure 202 contact terminal 213 quantity it is consistent and correspond.
As shown in figure 12, multiple bar shaped grooves 221, elasticity knot are arranged at intervals in the contact portion of secondary shielding part 22
One end of structure 201 is connected to the edge of bar shaped groove 221, and the other end of elastic construction 201 is then towards walking knot correspondingly
The contact terminal 213 of structure 202 simultaneously contacts, to reach shortening return flow path, improves the purpose of crosstalk between differential pair.
In order to further shorten return flow path, the crosstalk between differential pair, each elasticity on secondary shielding part 22 are reduced
The side of structure 201 is also set up there are two identical second elastic construction 223 of extending direction, and two the second elastic constructions
223 are located in different bar shaped grooves 221；For second elastic construction, when the shield assembly is applied to connector,
Second elastic construction 223 can be contacted with the U-shaped shielding part in male end pedestal, in order to the U in male end pedestal
Type shielding part is contacted, while shortening return flow path, reduces signal cross-talk, second elastic construction 223 is in secondary shielding part
Protrusion direction on 22 is opposite with protrusion direction of the elastic construction 201 on secondary shielding part 22.
In addition raised frame 222, raised frame 222 and adjacent shields component 20 are provided at the side edge of secondary shielding part 22
In the side edge of secondary shielding part 22 be in contact, and 222 installation site of raised frame on adjacent above-mentioned shield assembly 20
On the contrary, its main function can also shorten return flow path, and reduce the crosstalk between signal, while the strong of structure can also be increased
Degree.
" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification
Example " etc., referring to combining specific features, structure or the feature of embodiment description includes describing extremely in the application generality
In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one
For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations
Example realizes 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 modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also be will be apparent.
Claims (10)
1. a kind of modular structure for high speed connector, it is characterised in that: believing including signal transmission module (10) and setting
Shield assembly (20) in number transmission module (10) is arranged at intervals with difference signal terminal in the signal transmission module (10)
(101), there are differential pairs pins (104) in the difference signal terminal (101), the shield assembly (20) and the signal pass
The vertical range A of difference signal terminal (101) in defeated module (10) and differential pairs pins center meet away from B: A < B/8.
2. the modular structure according to claim 1 for high speed connector, it is characterised in that: the signal transmission module
(10) pass through secondary plastic plate (30) with shield assembly (20) and carry out plastic packaging, be provided with multiple T on the secondary plastic plate (30)
Type column (301) is provided on the signal transmission module (10) and shield assembly (20) compatible with the T-type column (301)
Through-hole (11,12).
3. the modular structure according to claim 1 for high speed connector, it is characterised in that: the difference signal terminal
(101) it is alternatively arranged in pairs and plastic packaging is in plastic packaging shell (102), along differential signal end on the plastic packaging shell (102)
The wiring path of sub (101) is provided with cavity (103), and difference signal terminal (101) is exposed to outside.
4. the modular structure according to claim 1 for high speed connector, it is characterised in that: the adjacent signal transmission
Shield assembly (20) in module (10) contacts with each other, shield assembly (20) setting on one of signal transmission module (10)
There are the elastic construction (201) protruded towards shield assembly (20) on adjacent signal transmission module (10), the adjacent signal transmission mould
Shield assembly (20) on block (10) has and the elastic construction (201) mutually overlapped ground Wiring structure (202).
5. the modular structure according to claim 4 for high speed connector, it is characterised in that: the shield assembly (20)
Including the first shielding part (21) and secondary shielding part (22), the secondary shielding part (22) is fixed on first by guide post (23)
On shielding part (21), the elastic construction (201) is arranged on secondary shielding part (22), and described ground Wiring structure (202) is located at
On first shielding part (21), and the ground Wiring structure of the secondary shielding part (22) and first shielding part (21)
(202) Y type connection structure is formed between.
6. the modular structure according to claim 5 for high speed connector, it is characterised in that: first shielding part
It (21) include the shield body (211) being adapted to signal transmission module (10) size and setting in shield body (211) one
The ground connection tail portion (212) of side, described ground Wiring structure (202) and the ground connection tail portion (212) are located at the shielding part master
The adjacent two sides of body (211), described ground Wiring structure (202) include multiple spaced contact terminals (213), the contact
Terminal (213) is between adjacent difference signal terminal (101).
7. the modular structure according to claim 6 for high speed connector, it is characterised in that: the secondary shielding part
(22) top of the ground Wiring structure (202) of first shielding part (21), and the number of the elastic construction (201) are installed on
It measures consistent with contact terminal (213) quantity of ground Wiring structure (202) and corresponds.
8. the modular structure according to claim 5 for high speed connector, it is characterised in that: the secondary shielding part
(22) side of each elastic construction (201) is also set up there are two identical second elastic construction (223) of extending direction on, and
Two second elastic constructions (223) are located in different bar shaped groove (221).
9. the modular structure according to claim 5 for high speed connector, it is characterised in that: the secondary shielding part
(22) it is provided at side edge raised frame (222), the secondary shielding in the protrusion frame (222) and adjacent shields component (20)
The side edge of part (22) is in contact, and raised frame (222) installation site on the adjacent shield assembly (20) is opposite.
10. a kind of high speed connector, it is characterised in that: including installation pedestal (40) and be plugged in installation pedestal (40) as power
Benefit requires modular structure described in 1~9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251888.9A CN109830849B (en) | 2019-03-29 | 2019-03-29 | Module structure for high-speed connector and high-speed connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251888.9A CN109830849B (en) | 2019-03-29 | 2019-03-29 | Module structure for high-speed connector and high-speed connector |
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| Publication Number | Publication Date |
|---|---|
| CN109830849A true CN109830849A (en) | 2019-05-31 |
| CN109830849B CN109830849B (en) | 2023-11-03 |
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ID=66873795
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|---|---|---|---|
| CN201910251888.9A Active CN109830849B (en) | 2019-03-29 | 2019-03-29 | Module structure for high-speed connector and high-speed connector |
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Cited By (5)
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| CN112563784A (en) * | 2019-09-26 | 2021-03-26 | 庆虹电子(苏州)有限公司 | Connector and transmission piece thereof |
| CN113451850A (en) * | 2021-02-09 | 2021-09-28 | 中航光电科技股份有限公司 | High-speed sub-connector |
| CN113646978A (en) * | 2019-11-14 | 2021-11-12 | 华为技术有限公司 | Differential pair module, connector, communication device and shielding assembly |
| CN114361881A (en) * | 2021-12-17 | 2022-04-15 | 苏州三星电子电脑有限公司 | Interface module |
| CN114665330A (en) * | 2020-12-22 | 2022-06-24 | 华为技术有限公司 | Connector, function board and board level framework |
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| CN113471777A (en) * | 2021-02-09 | 2021-10-01 | 中航光电科技股份有限公司 | High-speed orthogonal connector |
| CN113471776A (en) * | 2021-02-09 | 2021-10-01 | 中航光电科技股份有限公司 | High-speed orthogonal connector |
| CN113471776B (en) * | 2021-02-09 | 2022-07-29 | 中航光电科技股份有限公司 | High-speed orthogonal connector |
| CN113451850B (en) * | 2021-02-09 | 2022-07-29 | 中航光电科技股份有限公司 | High-speed sub-connector |
| CN113471777B (en) * | 2021-02-09 | 2022-07-29 | 中航光电科技股份有限公司 | High-speed orthogonal connector |
| CN114361881A (en) * | 2021-12-17 | 2022-04-15 | 苏州三星电子电脑有限公司 | Interface module |
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| CN109830849B (en) | 2023-11-03 |
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