CN114361827A - Connector printing board packaging structure - Google Patents

Connector printing board packaging structure Download PDF

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Publication number
CN114361827A
CN114361827A CN202111447795.7A CN202111447795A CN114361827A CN 114361827 A CN114361827 A CN 114361827A CN 202111447795 A CN202111447795 A CN 202111447795A CN 114361827 A CN114361827 A CN 114361827A
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CN
China
Prior art keywords
differential pair
jacks
printed board
isolation
ground conductor
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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
Application number
CN202111447795.7A
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Chinese (zh)
Inventor
张爽
潘波
马陆飞
许海柯
王占云
王兴理想
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Filing date
Publication date
Application filed by China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Publication of CN114361827A publication Critical patent/CN114361827A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural 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
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin

Abstract

The invention relates to a connector printed board packaging structure. The method specifically comprises the following steps: the printed board is provided with a plurality of pin jacks; the plurality of pin receptacles include: the differential pair pin connecting unit comprises more than four grounding conductor jacks used for being connected with a grounding pin; among a plurality of grounding conductor jacks of the grounding pin connecting unit, four grounding conductor jacks are respectively used as four vertexes of a rectangle to form a surrounding rectangle on a printed board, the differential pair pin connecting unit is positioned in the middle of the surrounding rectangle, and the arrangement direction of two signal conductor jacks of the differential pair pin connecting unit is consistent with the length direction of the surrounding rectangle; and the printed board is also provided with an isolation hole, and the isolation hole is arranged on the long side and/or the wide side of the surrounding rectangle. The printed board packaging structure of the connector has more grounding conductors which play a role in backflow around the pin connecting unit, and greatly improves the anti-crosstalk performance of the connector.

Description

Connector printing board packaging structure
Technical Field
The invention relates to the field of high-speed connectors, in particular to a printed board packaging structure of a connector.
Background
The arrangement mode of the fisheye pins of the high-speed connector is arranged on the printed board in a through hole mode, namely the printed board of the connector is packaged. With the improvement of signal transmission rate and the transformation of signal coding mode, the anti-interference requirement on a transmission channel is higher and higher, and the printed board packaging structure of the high-speed connector has a larger influence on the anti-crosstalk performance of the whole channel.
An existing printed board packaging structure of a high-speed connector is shown in fig. 1 and comprises a plurality of pin connecting units, a plurality of pairs of N/P signal pins are included in the same pin connecting unit, namely, a differential pair pin connecting unit 1, each pair of N/P signal pins 1 comprises two paired signal conductor jacks 10, and GND pins, namely, grounding conductor jacks 2 are arranged on two sides of each pair of N/P signal pins 1. The connector packaging structure has the advantages of fewer grounding conductors with backflow functions, poorer anti-crosstalk performance and larger influence on the high-speed signal transmission quality when the connector is used.
Disclosure of Invention
The invention aims to provide a printed board packaging structure of a connector, which is used for solving the problems that the existing printed board packaging structure is poor in anti-crosstalk performance and has a large influence on the high-speed signal transmission quality of the connector when in use.
The invention relates to a connector printed board packaging structure, which comprises:
the connector printed board packaging structure comprises a printed board, wherein a plurality of pin jacks are arranged on the printed board; the plurality of pin jacks comprise differential pair pin connection units, and the differential pair pin connection units comprise two signal conductor jacks used for being connected with two signal pins of a differential signal pair; the grounding pin connecting unit comprises more than four grounding conductor jacks used for being connected with a grounding pin; among a plurality of grounding conductor jacks of the grounding pin connecting unit, four grounding conductor jacks are respectively used as four vertexes of a rectangle to form a surrounding rectangle on a printed board, the differential pair pin connecting unit is positioned in the middle of the surrounding rectangle, and the arrangement direction of two signal conductor jacks of the differential pair pin connecting unit is consistent with the length direction of the surrounding rectangle; and the printed board is also provided with an isolation hole, and the isolation hole is arranged on the long side and/or the wide side of the surrounding rectangle.
According to the printed board packaging structure of the connector, the differential pair pin connecting units are more completely surrounded by the isolation holes and the grounding conductor jacks, and more grounding conductors playing a backflow role around the differential pair pin connecting units are provided, so that the anti-crosstalk performance of the connector is greatly improved, and the signal transmission quality of the connector for transmitting high-speed signals is improved.
Furthermore, the grounding pin connecting unit comprises more than five grounding conductor jacks, and except four grounding conductor jacks forming a surrounding rectangle, the rest grounding conductor jacks are positioned on the same long side of the surrounding rectangle, so that all grounding conductor jacks of the same grounding pin connecting unit surround the corresponding differential pair pin connecting unit in a U shape. The arrangement form of the grounding conductor jacks can realize shielding isolation between two adjacent differential pair pin connecting units in the length direction of the differential pair pin connecting units, can also realize shielding isolation between two adjacent differential pair pin connecting units in the width direction of the differential pair pin connecting units, and optimizes the anti-crosstalk performance.
Furthermore, the ground pin connection unit comprises five ground conductor jacks, and the rest one ground conductor jack except for four ground conductor jacks forming the surrounding rectangle is positioned in the middle of the long side of the surrounding rectangle. According to the layout mode, on the premise of ensuring the shielding and isolating effects, the arrangement number of the jacks of the grounding conductor is reduced as much as possible, and the processing difficulty and cost of the printed board are reduced.
Furthermore, two isolation holes are arranged on the long edge of the surrounding rectangle, on which the grounding conductor jacks are arranged, and the two isolation holes and the grounding conductor jacks on the long edge are uniformly distributed on the long edge. Through the arrangement of the isolation holes, reinforcing shielding is carried out in the area where crosstalk is likely to occur, and the shielding effect is optimized.
Preferably, the isolation holes are formed in two wide sides of the surrounding rectangle, so that the isolation shielding effect is better.
Furthermore, one isolation hole is arranged on the wide side of the surrounding rectangle and is arranged in the middle of the wide side.
As an optimized scheme, the isolation holes are arranged on one long edge of the surrounding rectangle, and the isolation holes on the long edge and the isolation holes on the two wide edges are in a U shape to surround the corresponding differential pair pin connection units. The arrangement form of the isolation holes can realize shielding isolation between two adjacent differential pair pin connecting units in the length direction of the differential pair pin connecting units, can realize shielding isolation between two adjacent differential pair pin connecting units in the width direction of the differential pair pin connecting units, and optimizes the anti-crosstalk performance.
As another optimization scheme, the isolation holes are arranged on both wide sides and one long side of the surrounding rectangle, the isolation holes surround the corresponding differential pair pin connection units in a U shape, and the U-shaped openings surrounded by the isolation holes are in the same direction as the U-shaped openings surrounded by all the grounding conductor jacks of the same grounding pin connection unit. The arrangement mode enables the isolation hole to be matched with the grounding pin connecting unit, and the isolation shielding effect is improved.
As another optimized scheme, each edge surrounding the rectangle is provided with the isolation hole, two wide edges are respectively provided with one isolation hole and are positioned in the middle of the corresponding edge, two long edges are respectively provided with two isolation holes, the two isolation holes on the long edge arranged with the grounding conductor jacks are respectively positioned in the middle positions of two adjacent grounding conductor jacks in the three grounding conductor jacks on the long edge, and the isolation holes on the two long edges are symmetrical about the differential pair pin connection unit. In this form, the isolation holes completely enclose the corresponding differential pair pin connection units, and the isolation shielding effect is optimal.
Further, the difference is to stitch the linkage unit has a plurality ofly, and is the matrix on the printed board and arranges, and the difference is to stitch the two signal conductor jacks of linkage unit on being listed as upwards arranging, and the distance between two adjacent difference of same row to stitch the linkage unit is greater than the distance between two adjacent difference of same row to stitch the linkage unit, and the opening orientation of the U-shaped that each difference of same row corresponds to the ground connection stitch the linkage unit's that ground connection stitch the linkage unit's ground connection conductor jack encloses is unanimous, and all faces the length direction of this row. This arrangement advantageously provides for the isolation shielding of the differential pair pin connection units in a matrix arrangement.
Furthermore, the openings of the U-shapes surrounded by the ground conductor jacks of the ground pin connection units corresponding to the differential pair pin connection units in two adjacent rows face opposite directions. Therefore, the isolation shielding effect between the two adjacent rows of differential pair pin connecting units is improved.
In addition, the differential pair stitch link unit has a plurality ofly, and is the matrix on the printed board and arranges, and two signal conductor jacks of differential pair stitch link unit are arranged in being listed as upwards, and the distance between two adjacent differential pair stitch link units of same row is greater than the distance between two adjacent differential pair stitch link units of same row, and two adjacent differential pair stitch link units of same row share ground conductor jack and isolation hole in adjacent one side. By the aid of the layout, the number of the jacks and the isolation holes of the grounding conductor is greatly reduced while the isolation shielding effect of each differential pair pin connecting unit is guaranteed, and the manufacturing difficulty and the processing cost of the printed circuit board are reduced.
Drawings
Fig. 1 is a schematic diagram of a printed board package structure in the prior art;
fig. 2 is a pin hole layout diagram of a first embodiment of a connector printed board package structure of the present invention;
fig. 3 is a layout diagram showing a differential pair pin connection unit and its corresponding ground pin connection unit and isolation hole in the first embodiment of the printed circuit board package structure of the connector of the present invention;
fig. 4 is a pin hole layout of a second embodiment of a connector printed board package structure of the present invention;
fig. 5 is a layout diagram showing a differential pair pin connection unit and its corresponding ground pin connection unit and isolation hole in a second embodiment of the printed circuit board package structure of the connector of the present invention;
fig. 6 is a pin hole layout view of a third embodiment of a connector printed board package structure of the present invention;
fig. 7 is a pin hole layout of a fourth embodiment of a connector printed board package structure of the present invention;
fig. 8 is a layout diagram showing a differential pair pin connection unit and its corresponding ground pin connection unit and isolation hole in a fourth embodiment of the connector printed board package structure of the present invention;
fig. 9 is a pin hole layout diagram of a fifth embodiment of a connector printed board package structure of the present invention.
In the figure: 1. a differential pair pin connection unit; 10. a signal conductor jack; 2. a ground conductor jack; 3. and (4) isolating the holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Before describing the structure of the connector printed board package of the present invention in detail, it is necessary to explain each block in the drawings of the specification, and only the block shown in fig. 3, 5 and 8 is a surrounding rectangle mentioned below, which is not a specific structure and is merely embodied in the drawings for convenience of description herein; the boxes in the remaining figures are not enclosing rectangles as mentioned below and only represent rectangular areas where the differential facing pin connection units are located one by one, the two jacks located within a box being signal conductor jacks.
The first embodiment of the printed board packaging structure of the connector of the invention is as follows:
the printed board packaging structure of the connector comprises a printed board, wherein a plurality of pin jacks are arranged on the printed board, and the pin jacks comprise a differential pair pin connecting unit 1 and a grounding pin connecting unit.
In this embodiment, as shown in fig. 2 and fig. 3, the differential pair pin connecting unit 1 includes two signal conductor jacks 10 for connecting with two signal pins of a differential signal pair, the differential pair pin connecting unit 1 in the printed circuit board package structure of the connector is provided with a plurality of differential pair pin connecting units 1, and the plurality of differential pair pin connecting units 1 are arranged in a rectangular array on the printed circuit board, the two signal conductor jacks 10 of the differential pair pin connecting unit 1 are arranged in a column of the rectangular array, and a distance between two adjacent differential pair pin connecting units 1 on the same row is greater than a distance between two adjacent differential pair pin connecting units 1 on the same column.
In this embodiment, as shown in fig. 3, the ground pin connection unit is disposed corresponding to the differential pair pin connection unit 1, and the ground pin connection unit includes five ground conductor jacks 2 disposed around the differential pair pin connection unit 1, the five ground conductor jacks 2 are all used for being connected with a ground pin, wherein the four ground conductor jacks 2 are respectively used as four vertices of a rectangle to form a surrounding rectangle on a printed board, two signal conductor jacks 10 in the differential pair pin connection unit 1 are located in the surrounding rectangle, and an arrangement direction of the two signal conductor jacks 10 is consistent with a length direction of the surrounding rectangle. The other ground conductor receptacle 2 is located on the long side of the surrounding rectangle so that five ground conductor receptacles 2 surround their corresponding differential pair pin connection units 1 in a U-shape. In the printed board packaging structure of the connector, the arrangement form of the grounding conductor jacks 2 can improve the anti-interference performance between the two adjacent differential pair pin connection units 1 in the length direction and the width direction of the differential pair pin units arranged in an array, so that the anti-crosstalk performance of the corresponding connector is optimized.
In the present embodiment, as shown in fig. 2 and 3, the ground conductor insertion hole 2 located on the long side of the surrounding rectangle is provided at the middle position of the long side of the surrounding rectangle to uniformly surround the crosstalk prevention performance on the long side of the rectangle.
In this embodiment, as shown in fig. 2 and 3, the printed board is further provided with two isolation holes 3, two isolation holes 3 corresponding to one differential pair pin connection unit 1 are provided, and the two isolation holes 3 are arranged on two broad sides of the surrounding rectangle and are respectively located at the middle positions of the broad sides, so as to reinforce and shield the middle positions of the broad sides of the corresponding surrounding rectangle of the differential pair pin connection units, thereby optimizing the shielding effect between two adjacent differential pair pin connection units in the length direction of the differential pair pin connection units in the array.
In this embodiment, in order to realize high density arrangement, so two adjacent differential pairs stitch linkage unit 1 of same column share two ground conductor jacks 2 and one isolation hole 3 in adjacent one side, such overall arrangement setting can be when guaranteeing every differential pair stitch linkage unit 1's shielding effect, the quantity of ground conductor jack 2 and isolation hole 3 on the printed board that significantly reduces, reduces the manufacturing degree of difficulty and the processing cost of printed board.
In addition, in this embodiment, as shown in fig. 2, the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to each differential pair pin connection unit 1 in the same row are oriented in the same direction, and in the extending direction of the row, the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to two adjacent differential pair pin connection units 1 in two adjacent rows are oriented in the opposite direction, so that the isolation shielding effect between the two adjacent rows of differential pair pin connection units 1 can be better improved while the isolation shielding of the differential pair pin connection units 1 arranged in a rectangular array is realized.
Among the connector printed board packaging structure of this embodiment, through setting up isolation hole 3 and the ground conductor jack 2 that corresponds differential pair stitch linkage unit 1 on the printed board, and make ground conductor jack 2 surround the rectangle as the summit in order to enclose, so that the differential pair stitch unit is located and surrounds the rectangle, and set up isolation hole 3 and surround the rectangle broad edge, thereby increase the ground conductor quantity that the difference played the backward flow effect around stitch linkage unit 1, promote the anti-crosstalk performance of connector, thereby promote the signal transmission quality that the connector transmitted high speed signal.
The second specific embodiment of the printed board packaging structure of the connector of the invention:
in the present embodiment, the number and arrangement of the ground conductor insertion holes 2 on the outer side of the same differential pair pin connection unit 1 are the same as those of the ground conductor insertion holes 2 in the first embodiment, and the main difference between the first embodiment and the second embodiment is that the number of the isolation holes 3 is set to be different. Specifically, as shown in fig. 4 and 5, in the present embodiment, four isolation holes 3 are provided, two of the four isolation holes 3 are respectively located at the middle position of two wide sides surrounding the rectangle, the other two isolation holes 3 are both provided on the same long side surrounding the rectangle, that is, on the bottom side of the U-shape formed by the ground conductor jacks 2, and the two isolation holes 3 bisect the long side with the ground conductor jack 2 provided at the middle position of the long side, so that the four isolation holes 3 surround the corresponding differential pair pin connection units 1 in the U-shape, and the U-shaped openings surrounded by the isolation holes 3 and the ground conductor jacks 2 are oriented in the same direction, and the isolation holes 3 are arranged in such a manner that the shielding pin isolation between two adjacent differential pair pin connection units 1 can be realized in the length direction and the width direction of the differential pair pin connection units 1 to be matched with the ground conductor jacks 2, to improve the isolation shielding effect. In this embodiment, two isolation holes 3 are added on the surrounding rectangular long side corresponding to the differential pair pin connection unit 1, and the region where signal crosstalk easily occurs between two adjacent ground conductor jacks 2 on the surrounding rectangular long side can be reinforced and shielded, so that the shielding effect of the differential pair pin connection unit 1 is optimized.
In other embodiments, the two added isolation holes 3 may also be disposed on the long side where the ground conductor jack 2 is not disposed in the middle, so that the U-shaped opening surrounded by the four isolation holes 3 faces the opposite direction to the U-shaped opening surrounded by the ground conductor jack 2, and the shielding isolation between two adjacent differential pair pin connection units 1 is achieved in the length direction and the width direction of the differential pair pin connection units 1.
In addition, for the differential pair pin connection units 1 arranged in an array on the printed board, the difference between the embodiment and the first embodiment is that: in this embodiment, the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to each differential pair pin connection unit 1 in the same row are oriented in the same direction and are oriented in the extending direction of the row; the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to the two adjacent differential pair pin connection units 1 in two adjacent rows are also consistent in orientation, so that the differential pair pin connection units 1 arranged in a rectangular array have better crosstalk prevention performance.
The third specific embodiment of the printed board packaging structure of the connector of the invention:
the difference from the first embodiment is as follows: for the same differential counter-pin connection unit, as shown in fig. 6, four isolation holes 3 are provided, two of which are respectively located at the middle position surrounding the two wide sides of the rectangle, the other two isolation holes 3 are both provided on the same long side surrounding the rectangle, i.e., on the bottom side of the U-shape formed by the ground conductor insertion holes 2, and the two isolation holes 3 bisect the long side with the ground conductor insertion hole 2 provided at the middle position of the long side. In this embodiment, two isolation holes 3 are added on the surrounding rectangular long side corresponding to the differential pair pin connection unit 1, so that the region where signal crosstalk easily occurs between two adjacent ground conductor jacks 2 on the surrounding rectangular long side can be reinforced and shielded, and the shielding effect of the differential pair pin connection unit 1 is optimized. In this embodiment, the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to each differential pair pin connection unit 1 in the same row are oriented in the same direction and are oriented in the extending direction of the row; the openings of the U-shape surrounded by the five ground conductor jacks 2 corresponding to the differential pair pin connection units 1 in two adjacent rows are opposite in orientation.
The fourth specific embodiment of the printed board packaging structure of the connector of the present invention:
in this embodiment, for the same differential pair pin connection unit 1, the difference between this embodiment and the specific embodiment 1 is that the number of the isolation holes 3 is set differently. As shown in fig. 7 and 8 in particular, in the present embodiment, six isolation holes 3 are provided, two of which are respectively provided at intermediate positions around two wide sides of the rectangle, two of the other four are arranged on the long edges with the grounding conductor jacks 2 in the middle, the other two are arranged on the long edges without the grounding conductor jacks 2 in the middle, and for a long side on which a total of three ground conductor jacks 2 are arranged, two isolation holes 3 are located at the middle positions of two adjacent ground conductor jacks 2, and for a long side on which a total of two ground conductor jacks 2 are arranged, the isolation holes 3 provided thereon are arranged symmetrically with respect to the differential pair pin connection units 1 with the isolation holes 3 provided on the other long side, the arrangement of the isolation holes 3 is such that the isolation holes 3 completely surround the corresponding differential pair pin connection units 1, and the isolation shielding effect is the best.
In addition, for the differential pair pin connection units 1 arranged in an array on the printed board, the difference between the embodiment and the first embodiment is that: in this embodiment, as shown in fig. 7, the openings of the U-shapes surrounded by the five ground conductor jacks 2 corresponding to each differential pair pin connection unit 1 in the same row are oriented in the same direction and are oriented in the extending direction of the row; the U-shaped openings surrounded by the five ground conductor jacks 2 corresponding to the two adjacent differential pair pin connection units 1 in two adjacent rows are also consistent in orientation, so that the differential pair pin connection units 1 arranged in a rectangular array have better crosstalk prevention performance.
The fifth specific embodiment of the printed board packaging structure of the connector of the present invention:
as shown in fig. 9, the present embodiment is different from the specific embodiment 1 only in that six isolation holes 3 are provided for the same differential pair pin connecting unit 1, two of them are respectively provided at the middle positions of two wide sides surrounding a rectangle, two of the other four are provided on the long sides provided with the ground conductor jacks 2 in the middle, the other two are provided on the long sides not provided with the ground conductor jacks 2 in the middle, and for the long sides provided with three ground conductor jacks 2 in total, two isolation holes 3 are located at the middle positions of two adjacent ground conductor jacks 2, for the long sides provided with two ground conductor jacks 2 in total, the isolation holes 3 provided thereon and the isolation holes 3 provided on the other long sides are symmetrically arranged with respect to the differential pair pin connecting unit 1, such an arrangement form of the isolation holes 3 is that the isolation holes 3 completely surround the corresponding differential pair pin connecting unit 1, the isolation shielding effect is best. The U-shaped openings surrounded by the five grounding conductor jacks 2 corresponding to the differential pair pin connection units 1 in the same row are in the same direction and face the extending direction of the row; the openings of the U-shapes surrounded by the five ground conductor jacks 2 corresponding to the two differential pair pin connection units 1 in two adjacent rows are opposite in orientation.
The sixth specific embodiment of the printed board packaging structure of the connector of the present invention:
the difference from the first embodiment is as follows: for the same differential pair pin connection unit 1, the number of the ground conductor jacks 2 is four, the four ground conductor jacks 2 are respectively used as four vertexes of a rectangle to form a surrounding rectangle on a printed board, and two signal conductor jacks 10 in the differential pair pin connection unit 1 are positioned in the surrounding rectangle.
In other embodiments, the number of the ground conductor insertion holes 2 may be six, seven, or eight or more for the same differential pair pin connection unit 1, wherein four of the ground conductor insertion holes are used as vertexes of a rectangular phase and are surrounded on a printed board to form a surrounding rectangle, and the four ground conductor insertion holes are distributed on the long side or the wide side of the surrounding rectangle, or distributed on the long side and the wide side of the surrounding rectangle.
The seventh specific embodiment of the printed board packaging structure of the connector of the present invention:
the difference from the first embodiment is as follows: for the same differential pair pin connection unit 1, except for four ground conductor jacks 2 located at the vertices of the surrounding rectangle, the other one of the five ground conductor jacks 2 is located on one of the long sides and is located close to one of the vertices on the long side, that is, the other one of the ground conductor jacks 2 is not located in the middle of the long side.
In other corresponding embodiments, for the same differential pair pin connection unit 1, two isolation holes 3 are respectively located on two broad sides of the surrounding rectangle, and both isolation holes 3 are located close to any one of the ground conductor jacks 2 on the broad sides thereof; or in other embodiments, for the same differential pair pin connection unit 1, the two isolation holes 3 are both disposed on the long side where the three ground conductor jacks 2 are totally disposed, and the two isolation holes 3 are respectively located between two adjacent ground conductor jacks 2 and disposed close to one of the ground conductor jacks 2; or in other embodiments, for the same differential pair pin connection unit 1, one of the two isolation holes 3 is disposed on the wide side of the surrounding rectangle, the other is disposed on the long side of the surrounding rectangle, the two isolation holes 3 are disposed near one of the ground conductor jacks 2 on the long side and the wide side, or both the two isolation holes 3 are disposed on the same wide side and are respectively disposed near two ground conductor jacks 2 surrounding the vertex of the rectangle.
The eighth specific embodiment of the printed board packaging structure of the connector of the present invention:
it differs from the specific example 1 in that: for the same differential pair pin connection unit, the number of the isolation holes 3 is set to be one and is positioned on one wide side.
In other embodiments, the number of the isolation holes 3 may be three, four, or more than five for the same differential pair pin connection unit 1, and they are all disposed on the surrounding rectangle and dispersed at any positions that do not coincide with the ground conductor insertion holes 2.
The specific embodiment of the printed board packaging structure of the connector of the invention is nine:
it differs from the specific example 1 in that: in the plurality of differential pair pin connection units 1 arranged in the rectangular array, each differential pair pin connection unit corresponds to a respective grounding pin connection unit and an isolation hole, and does not share a grounding conductor jack and an isolation hole.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (12)

1. A printed board packaging structure of a connector comprises a printed board, wherein a plurality of pin jacks are arranged on the printed board; the pin jacks comprise differential pair pin connection units (1), and the differential pair pin connection units (1) comprise two signal conductor jacks (10) used for being connected with two signal pins of a differential signal pair; the grounding pin connecting unit comprises more than four grounding conductor jacks (2) used for being connected with a grounding pin; among a plurality of grounding conductor jacks (2) of the grounding pin connecting unit, four grounding conductor jacks (2) are respectively used as four vertexes of a rectangle to form a surrounding rectangle on a printed board, the differential pair pin connecting unit (1) is positioned in the middle of the surrounding rectangle, and the arrangement direction of two signal conductor jacks (10) of the differential pair pin connecting unit (1) is consistent with the length direction of the surrounding rectangle; the printed board is also provided with an isolation hole (3), and the isolation hole (3) is arranged on the long side and/or the wide side of the surrounding rectangle.
2. The printed board package structure of the connector according to claim 1, wherein the ground pin connection unit includes five or more ground conductor jacks (2), and the remaining ground conductor jacks (2) except for four ground conductor jacks (2) constituting a surrounding rectangle are located on the same long side of the surrounding rectangle, so that all ground conductor jacks (2) of the same ground pin connection unit surround their corresponding differential pair pin connection units (1) in a U-shape.
3. The connector printed board package structure of claim 2, wherein the ground pin connection unit includes five ground conductor insertion holes (2), and the remaining one ground conductor insertion hole (2) is located at a central position around a long side of the rectangle except for four ground conductor insertion holes (2) constituting the surrounding rectangle.
4. The printed board package structure of the connector according to claim 3, wherein two of said isolation holes (3) are further disposed on the long side of the surrounding rectangle on which the ground conductor insertion holes (2) are disposed, and the two isolation holes (3) and the ground conductor insertion holes (2) on the long side are uniformly distributed on the long side.
5. The connector printed board packaging structure according to claim 1, wherein the isolation hole (3) is provided on both broad sides of the surrounding rectangle.
6. The connector printed board packaging structure of claim 5, wherein one of the isolation holes (3) is located around the wide side of the rectangle and is located in the middle of the wide side.
7. The printed board package structure of the connector according to claim 5, wherein the isolation hole (3) is provided on one of the long sides of the enclosing rectangle, and the isolation hole (3) on the long side and the isolation holes (3) on the two wide sides surround the corresponding differential pair pin connection unit (1) in a U-shape.
8. The printed board package structure of the connector according to claim 2, wherein the isolation holes (3) are provided on both broad sides and one of the long sides of the surrounding rectangle, the isolation holes (3) surround the corresponding differential pair pin connection units (1) in a U-shape, and the U-shaped openings surrounded by the isolation holes (3) are oriented in the same direction as the U-shaped openings surrounded by all the ground conductor jacks (2) of the same ground pin connection unit.
9. The printed board packaging structure of the connector according to claim 3, wherein the isolation hole (3) is provided on each side surrounding the rectangle, one isolation hole (3) is provided on each of the two wide sides and is located in the middle of the corresponding side, two isolation holes (3) are provided on each of the two long sides, two isolation holes (3) on the long side where the ground conductor jacks (2) are arranged are respectively located in the middle of two adjacent ground conductor jacks (2) in the total three ground conductor jacks (2) on the long side, and the isolation holes (3) on the two long sides are symmetrical with respect to the differential pair pin connection unit (1).
10. The printed circuit board packaging structure of the connector according to any one of claims 2 to 9, wherein the differential pair pin connecting units (1) are plural and arranged in a matrix on the printed circuit board, the two signal conductor jacks (10) of the differential pair pin connecting units (1) are arranged in a row, the distance between two adjacent differential pair pin connecting units (1) in the same row is greater than the distance between two adjacent differential pair pin connecting units (1) in the same row, and the openings of the U-shapes defined by the ground conductor jacks (2) of the ground pin connecting units corresponding to the differential pair pin connecting units (1) in the same row are oriented in the same direction and are oriented in the length direction of the row.
11. The connector printed board packaging structure according to claim 10, wherein the openings of the U-shapes surrounded by the ground conductor jacks (2) of the ground pin connection units corresponding to the differential pair pin connection units (1) in two adjacent rows are oppositely oriented.
12. The printed circuit board packaging structure of the connector according to any one of claims 5 to 9, wherein the differential pair pin connecting units (1) are plural and arranged in a matrix on the printed circuit board, the two signal conductor jacks (10) of the differential pair pin connecting units (1) are arranged in a column, the distance between two adjacent differential pair pin connecting units (1) in the same row is greater than the distance between two adjacent differential pair pin connecting units (1) in the same column, and two adjacent differential pair pin connecting units (1) in the same column share the ground conductor jack (2) and the isolation hole (3) on the adjacent side.
CN202111447795.7A 2020-12-21 2021-11-30 Connector printing board packaging structure Pending CN114361827A (en)

Applications Claiming Priority (2)

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CN202011519562 2020-12-21
CN2020115195629 2020-12-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104969669A (en) * 2013-01-29 2015-10-07 富加宜(亚洲)私人有限公司 Pcb having offset differential signal routing
US9425149B1 (en) * 2013-11-22 2016-08-23 Altera Corporation Integrated circuit package routing with reduced crosstalk
CN105916287A (en) * 2016-05-17 2016-08-31 浪潮(北京)电子信息产业有限公司 Backboard
CN107535044A (en) * 2014-11-21 2018-01-02 安费诺公司 For high speed, the supporting backboard of high density electrical connector
CN109600906A (en) * 2017-09-30 2019-04-09 中航光电科技股份有限公司 A kind of connector and signal transmission unit
CN110798962A (en) * 2018-08-02 2020-02-14 朗美通日本株式会社 Printed circuit board, optical module and optical transmission apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104969669A (en) * 2013-01-29 2015-10-07 富加宜(亚洲)私人有限公司 Pcb having offset differential signal routing
US9425149B1 (en) * 2013-11-22 2016-08-23 Altera Corporation Integrated circuit package routing with reduced crosstalk
CN107535044A (en) * 2014-11-21 2018-01-02 安费诺公司 For high speed, the supporting backboard of high density electrical connector
CN105916287A (en) * 2016-05-17 2016-08-31 浪潮(北京)电子信息产业有限公司 Backboard
CN109600906A (en) * 2017-09-30 2019-04-09 中航光电科技股份有限公司 A kind of connector and signal transmission unit
CN110798962A (en) * 2018-08-02 2020-02-14 朗美通日本株式会社 Printed circuit board, optical module and optical transmission apparatus

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