CN213278573U - Plug and high-speed backplane connector with same - Google Patents
Plug and high-speed backplane connector with same Download PDFInfo
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- CN213278573U CN213278573U CN202022638941.1U CN202022638941U CN213278573U CN 213278573 U CN213278573 U CN 213278573U CN 202022638941 U CN202022638941 U CN 202022638941U CN 213278573 U CN213278573 U CN 213278573U
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Abstract
The utility model discloses a plug and have high-speed back of the body connector of this plug relates to the communication technology field. The metal needle assembly comprises an insulating shell, metal needle groups and metal sheets, wherein multiple groups of metal needle groups are fixedly connected to the insulating shell, each metal needle group penetrates through the insulating shell, each metal needle group is arranged in parallel side by side, a space is reserved between every two adjacent metal needle groups, each metal needle group comprises multiple pairs of first metal needles and second metal needles arranged between every two adjacent pairs of first metal needles, one end of each first metal needle is provided with a first interface terminal, one end of each second metal needle is provided with a second interface terminal, the metal sheets and the metal needle groups are fixedly connected to the insulating shell in a one-to-one correspondence manner, and each second metal needle in each metal needle group is in multipoint elastic contact with the metal sheet; therefore, the problem that the shielding sheet of the high-speed backplane connector plug in the prior art has a poor effect on shielding crosstalk between differential pair signals is solved.
Description
Technical Field
The utility model relates to the field of communication technology, more specifically say, relate to a plug and have high-speed back panel connector of this plug.
Background
The high-speed backplane connector is widely applied to communication technology, and is a type of connector commonly used for large-scale communication equipment, ultrahigh-performance servers, supercomputers, industrial computers and high-end storage equipment. With the continuous improvement of communication technology, the requirements for data transmission rate and storage are higher and higher, and therefore, the technical research on the high-speed backplane connector needs to be increased. Since high-speed backplane connectors transmit high-speed signals, it is desirable to minimize crosstalk between differential signals.
At present, the existing electric shielding design between differential pair signals is designed with conductive plastic shielding, plastic electroplated shielding and air shielding, and the existing shielding design can not well reduce crosstalk and resonance between differential signals and can not be suitable for signal transmission of more than 20G.
Therefore, how to solve the problem of poor shielding effect of the shielding plate of the high-speed backplane connector plug on the crosstalk between the differential pair signals in the prior art becomes an important technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plug and have the high-speed backplane connector of this plug in order to solve the shielding piece of high-speed backplane connector plug among the prior art to the differential not good technical problem of crosstalk shielding effect to between the signal. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a plug, include:
an insulating housing;
the metal needle group is fixedly connected to the insulating shell, each metal needle group penetrates through the insulating shell, each metal needle group is arranged in parallel and side by side, a space is reserved between every two adjacent metal needle groups, each metal needle group comprises a plurality of pairs of first metal needles and a second metal needle arranged between every two adjacent pairs of first metal needles, one end of each first metal needle is provided with a first interface terminal used for being electrically connected with a signal circuit, and one end of each second metal needle is provided with a second interface terminal used for being electrically connected with a ground circuit;
the metal sheet and the metal needle groups are fixedly connected to the insulating shell in a one-to-one correspondence mode, and each second metal needle in each metal needle group is in multipoint elastic contact with the metal sheet.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the number of the contact points of each second metal needle and the metal sheet is two.
Furthermore, a groove for embedding the metal sheet is formed in the insulating shell.
Further, the number of the first metal needles in each metal needle group is three, and the number of the second metal needles in each metal needle group is three.
Furthermore, the number of the metal needle groups is six.
Furthermore, the first metal pin and the first interface terminal are of an integrated structure, and the second metal pin and the second interface terminal are of an integrated structure.
Furthermore, the insulating shell is made of plastic materials.
Further, the first metal needle, the second metal needle and the metal sheet are all made of phosphor bronze materials.
Furthermore, the end of the first metal pin far away from the first interface terminal and the end of the second metal pin far away from the second interface terminal are both provided with a chamfer structure.
The utility model provides a high-speed backplane connector, including the aforesaid the plug.
The technical scheme provided by the application comprises the following beneficial effects:
the utility model provides an among the technical scheme, the plug, including insulating housing, metal needle group and sheetmetal, fixedly connected with multiunit metal needle group on the insulating housing, and each group metal needle group all runs through insulating housing, each group metal needle group parallel sets up side by side, and have the interval between adjacent two sets of metal needle groups, every group metal needle group all includes many pairs of first metal needle and sets up the second metal needle between adjacent two pairs of first metal needles, the one end of each first metal needle is provided with and is used for the first interface terminal of being connected with the signal circuit electricity, the one end of each second metal needle is provided with and is used for the second interface terminal of being connected with the ground circuit electricity, sheetmetal and metal needle group one-to-one fixed connection are on insulating housing, and each second metal needle in every group metal needle group all with sheetmetal multiple spot elastic contact. According to the arrangement, the metal sheet and the metal needle groups are fixedly connected in the insulating shell, each second metal needle in each metal needle group is in multipoint elastic contact with the metal sheet, the metal sheet plays a role of metal shielding, each first interface terminal is electrically connected with a signal circuit in the backboard circuit board, each second interface terminal is electrically connected with a grounding circuit in the backboard circuit board, the metal sheet can effectively interconnect the second metal needles through multipoint elastic contact, each pair of first metal needles can be protected in the shielding range of the metal sheet, therefore, the effective area of shielding interconnection can be expanded to the maximum, crosstalk and resonance can be reduced to the maximum, signal transmission is protected, and the high-speed connection system is suitable for high-speed connection systems with the speed of 20G and higher; therefore, the problem that the shielding sheet of the high-speed backplane connector plug in the prior art has a poor effect on shielding crosstalk between differential pair signals is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an entire plug in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first angle of the plug in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second angle of the plug according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the metal needle set and the metal sheet in the embodiment of the present invention.
Reference numerals:
1. an insulating housing; 2. a metal needle group; 3. a first metal needle; 4. a second metal needle; 5. a first interface terminal; 6. a second interface terminal; 7. a metal sheet; 8. a groove; 9. a chamfering structure; 10. a point of contact.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present embodiment aims to provide a plug and a high-speed backplane connector having the same, so as to solve the problem that the shielding sheet of the plug of the high-speed backplane connector in the prior art has a poor shielding effect on crosstalk between differential pair signals.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 4, the present embodiment provides a plug, including an insulating housing 1, metal needle sets 2 and a metal sheet 7, wherein a plurality of metal needle sets 2 are fixedly connected to the insulating housing 1, each metal needle set 2 penetrates the insulating housing 1, each metal needle set 2 is arranged in parallel and side by side, a space is formed between two adjacent metal needle sets 2, each metal needle set 2 includes a plurality of pairs of first metal needles 3 and a second metal needle 4 arranged between two adjacent pairs of first metal needles 3, the insulating housing 1, the first metal needles 3, the second metal needles 4 and the metal sheet 7 may be made of a material that is set according to a specific use environment, the insulating housing 1 is preferably made of a plastic material, the plastic material has good processing characteristics, can be processed into products of various shapes according to a use requirement, and has a simple processing process, the first metal pins 3, the second metal pins 4 and the metal sheet 7 are preferably made of phosphor bronze material, since phosphor bronze is alloy copper, which has good electrical conductivity, is not prone to generate heat, ensures safety and has strong fatigue resistance, and the metal sheet 7 made of phosphor bronze material can ensure better contact, good elasticity and smooth plugging, one end of each first metal pin 3 is provided with a first interface terminal 5 for electrically connecting with a signal circuit, one end of each second metal pin 4 is provided with a second interface terminal 6 for electrically connecting with a ground circuit, in this embodiment, the first interface terminal 5 and the first metal pin 3 are preferably of an integral structure, the second interface terminal 6 and the second metal pin 4 are preferably of an integral structure, in this embodiment, the first interface terminal 5 and the second interface terminal 6 are preferably of fisheye terminals, since the fisheye terminals only need to be pressed in a hole on a circuit board, need not welding process, easy operation is convenient and firm in connection, sheetmetal 7 and the 2 one-to-one fixed connection of metal needle group on insulating housing 1, and in this embodiment, the inside at insulating housing 1 is moulded to metal needle group 2 through the mould internal injection plastic package, and the sheetmetal 7 is embedded into in insulating housing 1 through recess 8 on the insulating housing 1 to each second metal needle 4 in every group metal needle group 2 all with 7 multiple spot elastic contact of sheetmetal.
According to the arrangement, the metal sheet 7 and the metal needle group 2 are fixedly connected in the insulating shell 1, the second metal needles 4 in each metal needle group 2 are in multipoint elastic contact with the metal sheet 7, the metal sheet 7 plays a role of metal shielding, the first interface terminals 5 are electrically connected with a signal circuit in the backboard circuit board, the second interface terminals 6 are electrically connected with a grounding circuit in the backboard circuit board, the metal sheet 7 can enable the second metal needles 4 to be effectively interconnected through multipoint elastic contact, and each pair of first metal needles 3 can be protected in a shielding range of the metal sheet 7, so that an effective area of shielding interconnection can be expanded to the maximum, crosstalk and resonance can be reduced to the maximum, signal transmission is protected, and the metal sheet is suitable for high-speed connection systems with the speed of 20G and higher; therefore, the problem that the shielding sheet of the high-speed backplane connector plug in the prior art has a poor effect on shielding crosstalk between differential pair signals is solved.
As an optional implementation manner, the number of the contact points 10 between each second metal pin 4 and the metal sheet 7 may be set according to a specific use environment, in this embodiment, the number of the contact points 10 between each second metal pin 4 and the metal sheet 7 is preferably two, two contact points 10 just correspond to the end of the insertion surface of the insulating housing 1 and the end of the encapsulation crimping surface, and the rest of the places without the contact points 10 just protect the first metal pin 3 inside the metal sheet 7, so as to maximize the effective area of the shielding.
In a more specific implementation manner, the number of the metal needle groups 2 on the plug in this embodiment is preferably six, the number of the first metal needles 3 in each metal needle group 2 is preferably three, and the number of the second metal needles 4 in each metal needle group 2 is preferably three.
As an alternative embodiment, the first metal pin 3 at the end far from the first interface terminal 5 and the second metal pin 4 at the end far from the second interface terminal 6 are both provided with a chamfer structure 9. So set up, the design of chamfer has avoided pulling out many times of socket and plug to insert, makes the top of metal needle group 2 appear damaged, and has still reduced socket and plug and produced unnecessary collision at the in-process of inserting.
This embodiment further provides a high-speed backplane connector, which includes the plug in any of the above embodiments, and since the high-speed backplane connector employs the plug described in the above embodiments, the high-speed backplane connector has the same beneficial effects as those produced by the plug, and thus detailed description thereof is omitted.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A plug, comprising:
an insulating housing (1);
the metal pin group (2) is fixedly connected to the insulating shell (1), the metal pin groups (2) of each group penetrate through the insulating shell (1), the metal pin groups (2) of each group are arranged in parallel, a space is reserved between every two adjacent metal pin groups (2), each metal pin group (2) of each group comprises a plurality of pairs of first metal pins (3) and second metal pins (4) arranged between every two adjacent pairs of first metal pins (3), one end of each first metal pin (3) is provided with a first interface terminal (5) used for being electrically connected with a signal circuit, and one end of each second metal pin (4) is provided with a second interface terminal (6) used for being electrically connected with a ground circuit;
the metal sheet (7) and the metal needle groups (2) are fixedly connected to the insulating shell (1) in a one-to-one correspondence mode, and the second metal needles (4) in the metal needle groups (2) in each group are in multipoint elastic contact with the metal sheet (7).
2. Plug according to claim 1, characterised in that the number of contact points (10) of each second metal pin (4) with the metal sheet (7) is two.
3. Plug according to claim 1, characterised in that the insulating housing (1) is provided with a recess (8) for the sheet metal (7) to be inserted.
4. Plug as claimed in claim 1, characterized in that the number of said first metal pins (3) in each group of said metal pins (2) is three pairs and the number of said second metal pins (4) in each group of said metal pins (2) is three.
5. Plug as claimed in claim 1, characterized in that the number of metal needle groups (2) is six.
6. The plug according to claim 1, characterized in that the first metal pin (3) is of one-piece construction with the first interface terminal (5) and the second metal pin (4) is of one-piece construction with the second interface terminal (6).
7. Plug according to claim 1, characterised in that the insulating housing (1) is of plastic material.
8. Plug according to claim 1, characterised in that the first metal pin (3), the second metal pin (4) and the metal sheet (7) are all of phosphor bronze material.
9. The plug according to claim 1, characterized in that the first metal pin (3) at the end remote from the first interface terminal (5) and the second metal pin (4) at the end remote from the second interface terminal (6) are both provided with a chamfered structure (9).
10. A high-speed backplane connector comprising a plug according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022638941.1U CN213278573U (en) | 2020-11-13 | 2020-11-13 | Plug and high-speed backplane connector with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022638941.1U CN213278573U (en) | 2020-11-13 | 2020-11-13 | Plug and high-speed backplane connector with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278573U true CN213278573U (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022638941.1U Active CN213278573U (en) | 2020-11-13 | 2020-11-13 | Plug and high-speed backplane connector with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213278573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425445A (en) * | 2022-10-17 | 2022-12-02 | 超聚变数字技术有限公司 | Electronic device, connector and manufacturing method thereof |
-
2020
- 2020-11-13 CN CN202022638941.1U patent/CN213278573U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425445A (en) * | 2022-10-17 | 2022-12-02 | 超聚变数字技术有限公司 | Electronic device, connector and manufacturing method thereof |
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