TWM475058U - Socket electrical connector featuring signal Interference suppression - Google Patents

Description

Socket electrical connector for suppressing signal interference

The present invention relates to a connector, and more particularly to a socket electrical connector for suppressing signal interference, which can effectively suppress crosstalk between signal terminals.

Large computer servers, such as Blade servers, Rack Mount Servers, etc., have a large number of high-speed electrical connectors on their internal boards. These connectors are usually dense. Arrange multiple terminals to enable fast transmission of large numbers of signals. However, the problem of crosstalk interference often occurs between the signal terminals of the electrical connector, and the crosstalk interference is particularly obvious when the signal terminal transmits the high frequency signal, which causes the efficiency of the signal transmission to decrease, and even causes the signal transmission to be interrupted.

Referring to FIG. 12, in order to avoid the above-mentioned crosstalk interference, an improved electrical connector has been developed. The electrical connector includes a plurality of insulating plates 90 arranged side by side, and a plurality of terminals 91 are respectively disposed on the insulating plates 90. A metal shielding piece 92 is disposed between the two adjacent insulating plates 90, so that the metal shielding piece 92 and the insulating plate 90 are spaced apart from each other such that the metal shielding pieces 92 are located between the two sets of terminals 91. Through the above configuration, signal interference between the two sets of terminals 91 on both sides of each metal shielding sheet 92 can be blocked. However, since the metal shielding sheet 92 itself is a complete sheet having a certain length and width, it is easy to provide a path of a certain length for the charge to flow, resulting in an antenna effect. This causes additional signal interference. For example, the oblique diagonal path P0 of the metal shield 92 is the longest length, which can easily cause an antenna effect.

If the cutting path can be taken on the above-mentioned metal shielding piece 92, the path causing the antenna effect can be effectively shortened. However, no one has made any cutting path on the metal shielding piece 92 at present. Although the following prior art has been improved on the shield or the like of the electrical connector, these improvements are not directed to the cut-off path, so that the purpose of preventing signal interference is not achieved.

Please refer to U.S. Patent No. 7,347,740, which discloses a lead frame assembly of an electrical connector in which a fixing hole for fixing is formed on each terminal, and a dielectric material is covered by a portion of the terminal in an injection molding manner and filled in Among the aforementioned fixing holes, the case does not have the structure of the shielding plate, and the terminal fixing hole serves only as an auxiliary for fixing the dielectric material to the lead frame assembly, and is not intended to prevent crosstalk interference.

Reference is made to U.S. Patent No. 7,074,086, the disclosure of which is incorporated herein by reference in its entirety in the entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire all During the assembly process, a tool is passed through to break the fixing strip between the terminals instead of being used as a crosstalk prevention.

U.S. Patent No. 8,182,289 discloses an electrical connector in which a plurality of perforations are formed through a Loss Insert to be assembled with a mounting post on a mounting bracket of a terminal that does not interfere with crosstalk. use.

In short, there is no effective cut-off path for the shield of the electrical connector, and the problem of signal interference still exists.

In view of the fact that the current connector does not take a cut-off path on the shielding piece, the creator of the present invention easily causes the shortcoming of the antenna effect, improves the deficiency and the lack thereof, and further introduces a socket electrical connector that suppresses signal interference.

The main purpose of the present invention is to provide a socket electrical connector for suppressing signal interference, which can effectively suppress crosstalk interference (also known as crosstalk) between signal terminals.

In order to achieve the above purpose, the socket electrical connector for suppressing signal interference includes: a plurality of insulating plates arranged in a side by side manner; a plurality of terminal groups respectively disposed in the plurality of insulating plates, each terminal group including a plurality of signal terminals and a plurality of grounding terminals; the plurality of shielding plates are respectively disposed on one side of the plurality of insulating plates, and a plurality of current path blocking holes are formed through the shielding plates, and the current path blocking holes are kept in a hollow state It is not for other objects to pass through, and each shielding plate is connected with the grounding terminal in the corresponding terminal group; and a casing covers the outside of all the insulating plates to combine the insulating plates.

According to the above technical means, since one shielding plate is disposed on one side of each insulating plate body, the terminal group and the shielding plate are arranged in a staggered manner, so the degree of crosstalk interference between adjacent terminal groups is greatly reduced, and in addition, each shielding The circuit has a plurality of blocking current path blocking holes, which can effectively reduce the antenna effect of the shielding plate, and further prevent the crosstalk of the shielding plate, thereby improving the signal transmission efficiency and stability of the signal terminal.

Each of the insulating plates is formed with a plurality of first bonding elements; and each shielding plate is formed with at least one second bonding component combined with a corresponding first bonding component of the corresponding insulating plate.

Each of the first bonding elements is a groove or a bump; each of the second bonding elements is a bump or a groove corresponding to the first bonding component.

Each of the shielding plates is formed with a first connecting component; a grounding terminal connected to the corresponding shielding plate in each terminal group is formed with a second connecting component connected to the first connecting component; and each of the insulating bodies is formed with a plurality of broken The holes are connected to the second element by the first connecting element passing through the corresponding hole.

Each of the first connecting elements is a buckle piece; each of the second connecting elements is a fastening hole that is engaged with the corresponding fastening piece.

The rear ends of all the aforementioned insulating plates are coupled to a rear assembled cover.

Each of the signal terminals or the grounding terminal includes a fixing section, an assembly section and an electrical contact section. The fixing section is embedded in the corresponding insulating plate body, and the assembling section extends downward from the fixing section, and the electrical contact The segment protrudes forward from the fixing section; the front end of the casing is formed through the plurality of plug connectors to respectively provide electrical contact segments of the signal terminals or the ground terminals in the corresponding plug connectors.

Each of the foregoing shield plates is made of metal.

The pitch of any two adjacent current path blocking holes is 0.9 mm or less.

The distance between the edge of each of the current path blocking holes adjacent to the periphery of each of the shielding plates and the periphery of the shielding plate is 1 mm or less.

10‧‧‧Insulation board

12, 13‧‧‧ first bonding element

15‧‧‧Breaking

20s‧‧‧ signal terminal

20g, 20g'‧‧‧ grounding terminal

21‧‧‧ fixed section

22‧‧‧ Assembly section

23‧‧‧Electrical contact

25‧‧‧Second connection element

30‧‧‧Shield

300‧‧‧current path blocking hole

32, 33‧‧‧ second binding element

35‧‧‧First connecting element

40‧‧‧ Shell

41‧‧‧ front end

410‧‧‧ Plug interface

50‧‧‧After assembly cover

P0‧‧‧ Path

P1, P2‧‧‧ spacing

Figure 1 is a perspective view of the present invention.

Figure 2 is another perspective view of the present invention.

Fig. 3 is a perspective view showing the outer casing of the present invention.

Figure 4 is a majority of the three-dimensional solution of the present invention.

Fig. 5 is a partial exploded view of the present invention.

Fig. 6 is an exploded perspective view of the novel insulating plate body, terminal group and shielding plate.

Fig. 7 is a perspective view showing the terminal group and the shield plate of the present invention.

Figure 8 is a perspective view of the shield plate of the present invention.

Figure 9 is a side view of the novel shield plate.

Figure 10 is a front view of the present invention.

11 is a perspective view of a shielding sheet group and a terminal according to an embodiment of the present invention, wherein each of the shielding sheets is not connected to any one of the terminals.

Figure 12 is a perspective view of a conventional electrical connector.

Referring to FIG. 1 to FIG. 3 , the socket electrical connector for suppressing signal interference can be soldered to a circuit board, and includes: a plurality of insulating plate bodies 10 , a plurality of terminal groups, a plurality of shielding plates 30 , and a casing 40 . And assembling the cover 50 one after the other.

4 to 6, the plurality of insulating plates 10 are arranged side by side. A plurality of first coupling members 12, 13 are formed on each of the insulating sheets 10.

The plurality of terminal groups are respectively disposed on the plurality of insulating plates In 10, each terminal group includes a plurality of signal terminals 20s and a plurality of ground terminals 20g. In addition, each of the signal terminals 20s or the ground terminals 20g includes a fixed section 21, an assembly section 22, and an electrical contact section 23. The fixing section 21 is embedded in the corresponding insulating plate body 10. The assembly section 22 extends downwardly from the fixed section 21 and is attached to a circuit board for soldering or crimping. The electrical contact section 23 protrudes forward from the fixing section 21 and may be fork-shaped.

Referring to FIG. 7 to FIG. 9 , the plurality of shielding plates 30 are respectively disposed on one side of the plurality of insulating plates 10 , and as a purpose of preventing crosstalk interference, a plurality of current path blocking is formed on each shielding plate 30 . In the hole 300, each current path blocking hole 300 is kept in a hollow state instead of being passed through by other objects, and each of the shield plates 30 is connected to the ground terminal 20g in the corresponding terminal group.

According to the antenna effect, the exposed metal block such as the shield plate 30 easily has the characteristics of the antenna, collects charges to increase its potential, and causes current, and the current easily flows along a path having a sufficient length on the metal block. Causes high frequency or low frequency signal interference, and the metal block has the longest path along the diagonal line. Therefore, the current path blocking holes 300 are formed through the shield plates 30, and the length of the diagonal lines is shortened to the length of the pitch between the adjacent current path blocking holes 300, whereby the current path can be reduced or even blocked. The antenna effect of each shielding plate 30 can be effectively shortened. The spacing P1 between the edges of any two adjacent current path blocking holes 300 as shown in FIG. 9 is generally 0.9 mm or less, which is much smaller than the diagonally opposite length of the shielding plate 30, and further, close to the periphery of each of the shielding plates 30. The pitch P2 between the edge of each of the current path blocking holes 300 and the periphery of the shield plate is 1 mm or less, whereby the antenna effect can be effectively reduced.

Further, at least one second coupling member 32, 33 combined with the corresponding first coupling member 12, 13 of the corresponding insulating plate body 10 is formed on each of the shielding plates 30.

The outer casing 40 covers all of the insulating plate bodies 10 to combine the insulating plate bodies 10. In addition, the front end 41 of the casing 40 is formed through the plurality of plug connectors 410 to be respectively disposed in the corresponding plug connectors 410 for the electrical contact segments 23 of the signal terminals 20s or the ground terminals 20g.

The rear assembled cover 50 is bonded to the rear ends of all the insulating plate bodies 10 to ensure that the insulating plate bodies 10 can be accurately combined side by side.

In the preferred embodiment of the present invention, each of the first bonding elements 12, 13 is a groove or a bump; and each of the second bonding elements 32, 33 is a bump or a groove corresponding to the first bonding component 12, 13.

In the preferred embodiment of the present invention, a first connecting component 35 is formed on each shielding plate 30. The first connecting component 35 can be a buckle; the grounding terminal 20g of each terminal group connected to the corresponding shielding plate 30. A second connecting element 25 is formed on the first connecting element 35. The second connecting element 25 can be a fastening hole that is engaged with the corresponding fastening piece. In addition, a plurality of holes 15 are formed in each of the insulating bodies 10 for respectively connecting the first connecting elements 35 through the corresponding holes 15 to connect the second elements 25.

Referring to FIG. 10 further, the creator of the present invention tests the signal of the signal terminal 20s. When viewed from the direction of the plug interface 410, the terminal 20 is arranged as the columns A to I and the rows 1 to 6, for each two adjacent The terminal 20 performs a crosstalk interference test, for example, testing the two signal terminals 20s of the coordinates (A, 3) and (B, 3) (the coordinates are abbreviated as AB3). The comparison table is not used for the shielding plate 30 and the shielding plate 30 is as follows:

As can be seen from the above comparison table, the crosstalk interference level of most of the signal terminals 20s after the shield plate 30 is matched is reduced, thereby improving the signal transmission efficiency and stability of the signal terminal 20s.

With reference to FIG. 11 , in another embodiment of the present invention, each of the shielding sheets 30 a is not connected to any of the signal terminals 20 s or the ground terminals 20 g ′, so that each of the shielding sheets 30 a does not have the first connecting elements, and Each of the signal terminals 20s or the ground terminals 20g' does not have a second connecting element. however, Each of the shielding sheets 30a still has second coupling members 32, 33 to bond the first coupling members 12, 13 of the insulating plate body 10.

With the above technical means, the present invention has the following advantages:

1. Since one shielding plate 30 is disposed on one side of each insulating plate body 10, the terminal group and the shielding plate 30 are arranged in a staggered configuration, so the degree of crosstalk interference between adjacent terminal groups is greatly reduced.

2. Each of the shielding plates 30 has a plurality of current path intercepting holes 300, which can reduce or even eliminate the antenna effect of the shielding plate 30, and can further significantly suppress the crosstalk of the shielding plate 30, thereby improving the signal transmission efficiency and stability of the signal terminal 20s.

3. The first connecting element 35 of the shielding plate 30 is connected to the second connecting element 25 of the grounding terminal 20g so that the shielding plate 30 can penetrate as an extension of the grounding terminal 20g, thereby expanding the grounding effect, and discharging static electricity and noise which may cause crosstalk. In addition to the electrical connector, the efficiency and stability of signal transmission are improved.

10‧‧‧Insulation board

20s‧‧‧ signal terminal

30‧‧‧Shield

300‧‧‧current path blocking hole

40‧‧‧ Shell

41‧‧‧ front end

410‧‧‧ Plug interface

50‧‧‧After assembly cover

Claims (11)

The utility model relates to a socket electrical connector for suppressing signal interference, which comprises: a plurality of insulating plates arranged in a side by side manner; a plurality of terminal groups respectively disposed in the plurality of insulating plates, each terminal group comprising a plurality of signal terminals and a plurality of terminals The grounding terminal; the plurality of shielding plates are respectively disposed on one side of the plurality of insulating plates, and a plurality of current path blocking holes are formed through the shielding plates, and the current path blocking holes are kept in a hollow state instead of being worn by other objects. And, each of the shielding plates is connected to the grounding terminal in the corresponding terminal group; and a casing covers the outside of all the insulating plates to combine the insulating plates. The socket electrical connector for suppressing signal interference according to claim 1, wherein each of the insulating plates is formed with a plurality of first bonding elements; and each shielding plate is formed with at least one corresponding first bonding component corresponding to the corresponding insulating plate body. A combined second binding element. The socket electrical connector for suppressing signal interference according to claim 2, wherein each of the first bonding components is a groove or a bump; and each of the second bonding components is a bump or a groove corresponding to the first bonding component. The socket electrical connector for suppressing signal interference according to claim 3, wherein a first connecting component is formed on each shielding plate; and a grounding terminal connected to the corresponding shielding plate in each terminal group is formed to be connected to the first connecting component. a second connecting component; each of the insulating bodies is formed with a plurality of holes for respectively connecting the first connecting component through the corresponding hole to connect the second component. The socket electrical connector for suppressing signal interference according to claim 4, wherein each of the first connecting components is a buckle; each of the second connecting components is a fastening hole that is engaged with the corresponding buckle. The socket electrical connector for suppressing signal interference according to claim 5, wherein the rear end of all the insulating plates is coupled to a rear assembled cover. The socket electrical connector for suppressing signal interference according to claim 6, wherein each of the signal terminals or the grounding terminal comprises a fixed section, an assembled section and an electrical contact section, and the fixed section is embedded in the corresponding insulating plate body. The assembly section extends downward from the fixing section, and the electrical contact section protrudes forward from the fixing section; the front end of the casing penetrates through the plurality of plug connectors to respectively provide electrical contact sections of the signal terminal or the grounding terminal to be correspondingly inserted Inside the interface. The socket electrical connector for suppressing signal interference according to claim 7, wherein each of the shielding plates is made of metal. The socket electrical connector for suppressing signal interference according to any one of claims 1 to 7, wherein a spacing between edges of any two adjacent current path blocking holes is 0.8 mm or less. The socket electrical connector for suppressing signal interference according to any one of claims 1 to 7, wherein a distance between an edge of each of the current path blocking holes adjacent to a circumference of each of the shielding plates and a periphery of the shielding plate is 1mm or less. The utility model relates to a socket electrical connector for suppressing signal interference, which comprises: a plurality of insulating plates arranged in a side by side manner; a plurality of terminal groups respectively disposed in the plurality of insulating plates, each terminal group comprising a plurality of signal terminals and a plurality of terminals The grounding terminal; the plurality of shielding plates are respectively disposed on one side of the plurality of insulating plates, and a plurality of current path blocking holes are formed through the shielding plates, and the current path blocking holes are kept in a hollow state instead of being worn by other objects. And an outer casing covering all of the insulating plates to combine the insulating plates.