CN109546387B - Common cavitation common male end base - Google Patents
Common cavitation common male end base Download PDFInfo
- Publication number
- CN109546387B CN109546387B CN201910049563.2A CN201910049563A CN109546387B CN 109546387 B CN109546387 B CN 109546387B CN 201910049563 A CN201910049563 A CN 201910049563A CN 109546387 B CN109546387 B CN 109546387B
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- CN
- China
- Prior art keywords
- differential pair
- jacks
- adjacent
- air pockets
- pin jacks
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Classifications
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- 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
-
- 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
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The application discloses a public end base sharing air pockets, which comprises a shell, wherein the bottom of the shell is a substrate, a plurality of pin jacks are arranged on the substrate, the pin jacks are distributed in rows, each pin jack comprises a grounding jack and a differential pair pin jack, each differential pair pin jack in the same row is separated by the grounding jack, a plurality of air pockets are arranged on the substrate, the air pockets are blind holes and are distributed in rows, the row where the air pockets are located is located between the rows where the adjacent pin jacks are located, and the connecting lines in the row direction between the adjacent differential pair pin jacks in the adjacent rows are intersected with the air pockets. According to the application, each group of differential pair signal pins share one air cavity, so that the dielectric constant is reduced, the electrical isolation between the differential pair signal pins of adjacent columns is enhanced, the differential signal pairs of the adjacent columns are distributed in a staggered manner, the distance between the adjacent differential pair signal pins is increased, the mutual interference between the differential pair signal pins is reduced, and the signal crosstalk is reduced.
Description
Technical Field
The present application relates to electrical connectors, and in particular to a male end base that shares air pockets.
Background
Besides meeting general performance requirements, the electric connector is required to achieve good contact, reliable operation and convenient maintenance.
The high-speed backboard connector is used for large-scale communication equipment, ultra-high performance servers, supercomputers, industrial computers, high-end storage equipment and the like, and the market scale of the high-speed connector is rapidly grown along with the rapid development of the communication, electronic and internet industries.
In an electrical connector, cross-talk occurs when one signal contact causes electrical interference in an adjacent contact due to the superposition of electrical fields, thus jeopardizing the integrity of the signal. As electronic device miniaturization and high-speed electronic communication become more prevalent, reducing crosstalk becomes an important factor in connector design.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provide a public end base of a shared air cavity with high signal transmission integrity and low signal crosstalk.
The aim of the application is achieved by the following technical scheme: the utility model provides a casing of sharing air pocket, it includes the casing, the bottom of casing is the basement, a plurality of contact pin jacks have been seted up on the basement, contact pin jack is the row and distributes, and contact pin jack includes ground connection jack and differential pair contact pin jack, the ground connection jack in same row separates every differential pair contact pin jack, a plurality of air pockets have been seted up on the basement, the air pocket is the blind hole, and the air pocket also is the row and distributes, the row at air pocket place is located between the row at adjacent contact pin jack place, and the line of row direction between the adjacent differential pair contact pin jack in the two adjacent rows intersects with the air pocket.
Preferably, each set of said differential pair pin receptacles is directly opposite one of said air pockets. .
Preferably, the grounding jacks and the differential pair pin jacks on adjacent columns are all staggered.
Preferably, the columns in which the air pockets are located on the centerline between the columns in which adjacent pin receptacles are located.
Preferably, a plurality of strip-shaped grooves are formed in the bottom of the substrate, and the strip-shaped grooves are located on a central line between columns where adjacent pin jacks are located.
Preferably, the bar-shaped groove is provided with a plurality of reinforcing columns, and the bottom surfaces of the reinforcing columns do not protrude out of the bottom surface of the shell.
Preferably, the reinforcement columns are distributed in rows, and the number of reinforcement columns on each row is the same.
The application has the following advantages:
1. according to the common end base sharing the air pocket, each group of differential pair signal pins share one air pocket, the dielectric constant is reduced through the air channel formed by the air pocket, the electric isolation between the differential pair signal pins of the adjacent columns is enhanced, the differential signal pairs of the adjacent columns are distributed in a staggered manner, the distance between the adjacent differential pair signal pins is increased, and therefore mutual interference between the differential pair signal pins is reduced.
2. The air pocket is the blind hole, compares with current through-hole, and the structural strength of its basement is higher, is provided with bar groove and spliced pole moreover, under the light low consumable condition of guaranteeing public end base, can furthest's increase air pocket to the area proportion of the basement that the air pocket occupied is big, thereby the air channel that forms is big, has strengthened the electrical isolation between the adjacent signal contact pin of row, has reduced signal crosstalk.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic diagram of the distribution of cavitation;
FIG. 3 is a schematic distribution diagram of the reinforcement columns of the present application;
in the figure: 1-shell, 2-substrate, 3-pin jack, 4-air pocket, 5-reinforcement column, 6-bar slot, 31-ground jack, 32-differential pair pin jack.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, the terms "upper," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship conventionally put in use of the inventive product, only for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the common air cavity male end base comprises a housing 1, the bottom of the housing 1 is a substrate 2, a plurality of pin jacks 3 are formed on the substrate 2, the pin jacks 3 are distributed in a row, the pin jacks 3 comprise grounding jacks 31 and differential pair pin jacks 32, grounding pins are plugged in the grounding jacks 31, differential pair pins are plugged in the differential pair pin jacks 32, the grounding jacks 31 in the same row separate each group of differential pair pin jacks 32, further, the grounding jacks 31 and the differential pair pin jacks 32 in adjacent rows are all staggered, so that the tops of one row of pin jacks 3 start with the grounding jacks 31, and the tops of two rows of pin jacks 3 adjacent to the row start with the differential pair pin jacks 32.
In this embodiment, as shown in fig. 2, a plurality of air pockets 4 are formed on the substrate 2, the air pockets 4 are blind holes, the air pockets 4 are also distributed in rows, the row in which the air pockets 4 are located is located between the rows in which the adjacent differential pair pin jacks 32 are located, and the line in the row direction between the adjacent differential pair pin jacks 32 in the adjacent rows intersects with the air pockets 4, so that air channels formed by the air pockets 4 are formed between the adjacent differential pair pin jacks 32 in the adjacent rows, the dielectric constant of the transmission medium of the differential pair pin signals is reduced, the signal crosstalk is reduced, further, the air pockets 4 and the pin jacks 3 are regular rectangular holes, four corners of the rectangular holes are rounded corners, further, the row in which the air pockets 4 are located is located on the central line between the rows, preferably, each group of the differential pair pin jacks 32 is opposite to one of the air pockets 4, each group of differential pair pin jacks 32 is composed of two differential pair signal jacks 32, namely, the connection line of the centers of the two differential pair pin jacks and the centers of the corresponding air pockets 4 is equal, so that one air pocket 4 is shared by one group of differential pair pin jacks 32, the grounding jacks 31 and the differential pair pin jacks 32 on the adjacent columns are staggered, so that the air pockets 4 of the adjacent columns are also staggered, air channels are formed through the air pockets 4, the transmission medium of the differential pair pin signals is changed, the plastic is changed into air, the dielectric constant of the transmission medium of the differential pair pin signals is reduced because the air has lower dielectric constant than the plastic, the air channels enhance the electrical isolation of the signal pins of one differential pair in one column from the differential pair signal pins in the adjacent columns, and because each group of differential pair pin jacks 32 are separated by the grounding jacks 31, the other side of the differential pair signal pins is adjacent to the grounding pins, so that the grounding pins provide shielding effect, and the differential pair signal pins of adjacent columns are distributed in a staggered manner, so that the distance between the differential pair signal pins is increased, and the interference between the differential pair signal pins is reduced.
In this embodiment, as shown in fig. 3, a plurality of strip-shaped grooves 6 are formed at the bottom of the substrate 2, and the strip-shaped grooves 6 are located on the central line between the columns of adjacent pin insertion holes 3, and the strip-shaped grooves 6 are formed, so that the consumable and the weight of the substrate 2 can be reduced, and the production cost and the weight of the substrate 2 can be reduced, and the structural strength of the substrate 2 can be ensured, compared with the existing through holes, the structural strength of the substrate 2 is higher, the area of the air cavity 4 can be enlarged while the structural strength of the substrate 2 is ensured, so that the area proportion of the air cavity 4 on the substrate is improved, and further, a plurality of reinforcing columns 5 are arranged on the strip-shaped grooves 6, the bottom surfaces of the reinforcing columns 5 are not protruded out of the bottom surface of the housing 1, preferably, the bottom surfaces of the reinforcing columns 5 are flush with the bottom surface of the housing 1, the structural strength of the substrate 2 is further increased, so that when the signal pins are installed, the housing 1 is not deformed, the reliability of the male end base is improved, the stability of the signal pin connection is further improved, the reinforcing columns 5 are distributed in a row, and the same in number of the reinforcing columns 5, and the reliability of the housing 2 is ensured, and the service life of the same.
Although the application has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (2)
1. Public end base of sharing air pocket, its characterized in that: the device comprises a shell (1), wherein the bottom of the shell (1) is a substrate (2), a plurality of pin jacks (3) are arranged on the substrate (2), the pin jacks (3) are distributed in a row, the pin jacks (3) comprise grounding jacks (31) and differential pair pin jacks (32), each group of the differential pair pin jacks (32) are separated by the grounding jacks (31) in the same row, a plurality of air pockets (4) are arranged on the substrate (2), the air pockets (4) are blind holes, the air pockets (4) are also distributed in a row, the row where the air pockets (4) are positioned is positioned between the rows where the adjacent pin jacks (3) are positioned, a connecting line between the adjacent differential pair pin jacks (32) in the two adjacent rows is intersected with the air pockets (4), each group of the differential pair pin jacks (32) are opposite to one air pocket (4), the grounding jacks (31) and the differential pair pin jacks (32) in the two adjacent rows are arranged in a staggered manner, the adjacent rows of the air pockets (3) are positioned in front of the strip-shaped jacks (6) are positioned at the centers of the adjacent rows (6), a plurality of reinforcing columns (5) are arranged on the strip-shaped groove (6), the bottom surfaces of the reinforcing columns (5) do not protrude out of the bottom surface of the shell (1), each group of differential pair pin jacks (32) consists of two differential pair pin jacks (32), the centers of the two differential pair pin jacks are equal to the connecting line of the centers of the corresponding air pockets (4), and one air pocket (4) is shared by one group of differential pair pin jacks (32).
2. The common cavitation common port base of claim 1, wherein: the reinforcing columns (5) are distributed in rows, and the number of the reinforcing columns (5) on each row is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049563.2A CN109546387B (en) | 2019-01-18 | 2019-01-18 | Common cavitation common male end base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049563.2A CN109546387B (en) | 2019-01-18 | 2019-01-18 | Common cavitation common male end base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546387A CN109546387A (en) | 2019-03-29 |
| CN109546387B true CN109546387B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910049563.2A Active CN109546387B (en) | 2019-01-18 | 2019-01-18 | Common cavitation common male end base |
Country Status (1)
| Country | Link |
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| CN (1) | CN109546387B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952427B (en) * | 2021-01-25 | 2022-12-27 | 番禺得意精密电子工业有限公司 | Electric connector and connector assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503103B1 (en) * | 1997-02-07 | 2003-01-07 | Teradyne, Inc. | Differential signal electrical connectors |
| CN1619714A (en) * | 2003-11-22 | 2005-05-25 | 鸿富锦精密工业（深圳）有限公司 | Differential pair arrangement mode for eliminating high speed digital circuit interference |
| WO2008156857A2 (en) * | 2007-06-20 | 2008-12-24 | Molex Incorporated | Backplane connector with improved pin header |
| CN101779334A (en) * | 2007-06-20 | 2010-07-14 | 莫列斯公司 | Short length compliant pin, particularly suitable with backplane connectors |
| CN101872908A (en) * | 2010-06-09 | 2010-10-27 | 四川华丰企业集团有限公司 | High-speed signal connector |
| CN101981764A (en) * | 2008-03-26 | 2011-02-23 | 泰科电子公司 | Board-to-board electrical connector |
| CN102801052A (en) * | 2011-05-26 | 2012-11-28 | Fci公司 | Electrical connector |
| CN102859805A (en) * | 2010-02-24 | 2013-01-02 | 安费诺有限公司 | High bandwidth connector |
| CN105932487A (en) * | 2016-04-28 | 2016-09-07 | 上海航天科工电器研究院有限公司 | Light-insertion-force high-speed transmission electrical connector |
-
2019
- 2019-01-18 CN CN201910049563.2A patent/CN109546387B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503103B1 (en) * | 1997-02-07 | 2003-01-07 | Teradyne, Inc. | Differential signal electrical connectors |
| CN1619714A (en) * | 2003-11-22 | 2005-05-25 | 鸿富锦精密工业（深圳）有限公司 | Differential pair arrangement mode for eliminating high speed digital circuit interference |
| WO2008156857A2 (en) * | 2007-06-20 | 2008-12-24 | Molex Incorporated | Backplane connector with improved pin header |
| CN101779334A (en) * | 2007-06-20 | 2010-07-14 | 莫列斯公司 | Short length compliant pin, particularly suitable with backplane connectors |
| CN101803120A (en) * | 2007-06-20 | 2010-08-11 | 莫列斯公司 | Backplane connector with improved pin header |
| CN101981764A (en) * | 2008-03-26 | 2011-02-23 | 泰科电子公司 | Board-to-board electrical connector |
| CN102859805A (en) * | 2010-02-24 | 2013-01-02 | 安费诺有限公司 | High bandwidth connector |
| CN101872908A (en) * | 2010-06-09 | 2010-10-27 | 四川华丰企业集团有限公司 | High-speed signal connector |
| CN102801052A (en) * | 2011-05-26 | 2012-11-28 | Fci公司 | Electrical connector |
| CN105932487A (en) * | 2016-04-28 | 2016-09-07 | 上海航天科工电器研究院有限公司 | Light-insertion-force high-speed transmission electrical connector |
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| Publication number | Publication date |
|---|---|
| CN109546387A (en) | 2019-03-29 |
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Address after: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Fucheng District, Sichuan, Mianyang Applicant before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
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