CN215771782U

CN215771782U - High-frequency grounding terminal structure and card edge connector

Info

Publication number: CN215771782U
Application number: CN202121726964.6U
Authority: CN
Inventors: 张君玮
Original assignee: P Two Electronic Technology Suzhou Co Ltd
Current assignee: P Two Electronic Technology Suzhou Co Ltd
Priority date: 2021-03-17
Filing date: 2021-07-28
Publication date: 2022-02-08
Anticipated expiration: 2031-07-28
Also published as: JP3234684U; KR20220002293U; TWM623830U; KR200497283Y1

Abstract

The present invention relates to a card edge connector, which comprises a power portion and a signal portion. The power supply part can be respectively connected with a power supply and a grounding of a first printed circuit board and a second printed circuit board. The signal part comprises a plurality of electrode plates, a plurality of signal terminals and a plurality of insulators. The plurality of signal terminals can receive signals of the second printed circuit board. The insulating members fix the signal terminals between the adjacent two electrode plates. Each electrode plate further comprises a body, a clamping piece, a pin, a first contact point and a second contact point. The body is electrically connected with the clamping piece, the pin, the first contact point and the second contact point. The clamping piece is connected with the ground of the second printed circuit board, and the pin is connected with the ground of the first printed circuit board. This creation provides a high frequency ground terminal structure in addition.

Description

High-frequency grounding terminal structure and card edge connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to the field of connector technology, and more particularly, to a high frequency ground terminal structure and a card edge connector.

[ background of the invention ]

The conventional connector is applied in the low-frequency and low-speed fields. However, with the demand of high frequency and high speed, it is necessary to ensure that the connector has a robust structure in a high frequency working environment, and to maintain the transmission quality accuracy and transmission speed stability of high frequency signals.

Accordingly, the present invention provides a high-frequency ground terminal structure and a card edge connector that can operate in a high-frequency, high-speed and low-crosstalk environment.

[ Utility model ] content

A first object of the present invention is to provide a card edge connector capable of connecting a first printed circuit board and a second printed circuit board.

A second object of the present invention is to provide an electrical connector according to the above-mentioned card edge connector, which has a body, a clip, a pin, a first contact point and a second contact point, wherein the first contact point is defined on a side edge of the body and adjacent to the body defined between the two clips at the pin and the second contact point, for connecting the first printed circuit board and the second printed circuit board to ground.

A third object of the present invention is to provide the card edge connector, wherein the electrode plate further comprises a first grounding plate for electrically connecting the first contact point to enlarge a grounding area.

A fourth object of the present invention is to provide the card edge connector, wherein the electrode plate further comprises a second grounding plate for electrically connecting to the second contact point to enlarge the grounding area.

A fifth object of the present invention is to provide the card edge connector, wherein the electrode sheet forms a ground loop through the first ground strip and the second ground strip, so as to optimize high frequency performance and improve crosstalk.

A sixth object of the present invention is to provide a high frequency ground terminal structure to optimize high frequency performance and improve crosstalk.

To achieve the above and other objects, the present invention provides a card edge connector capable of connecting a first printed circuit board and a second printed circuit board. The first printed circuit board and the second printed circuit board respectively provide a power supply, a ground and a signal. The card edge connector includes a power portion and a signal portion. The power supply part can be respectively connected with the power supply and the grounding of the first printed circuit board and the second printed circuit board. The signal part comprises a plurality of electrode plates, a plurality of signal terminals and a plurality of insulators. The signal terminals are arranged between two adjacent electrode plates. The plurality of signal terminals can receive signals of the second printed circuit board. The insulating members fix the signal terminals between the adjacent two electrode plates. Each electrode plate further comprises a body, a clamping piece, a pin, a first contact point and a second contact point. The body is electrically connected with the clamping piece, the pin, the first contact point and the second contact point. The clamping piece is connected with the ground of the second printed circuit board, and the pin is connected with the ground of the first printed circuit board.

To achieve the above and other objects, the present invention provides a high frequency grounding terminal structure applied to a first printed circuit board and a second printed circuit board. The first printed circuit board and the second printed circuit board respectively provide a power supply, a ground and a signal. The high-frequency grounding terminal structure comprises a body, a plurality of clamping pieces, a pin, a first contact point and a second contact point. The clamping pieces extend from the body towards a first direction so as to clamp the second printed circuit board and further receive signals of the second printed circuit board. The pins extend from the body in a second direction to connect with the ground or power of the first printed circuit board. The first contact point is defined on the side edge of the body and is adjacent to the pin. The second contact point defines a body between the plurality of clips.

Compared with the conventional connector, the high-frequency grounding terminal structure provided by the present invention can achieve the advantages of high-frequency and high-speed transmission by providing the large-area body, the clip and the pin, and in another embodiment, the body can also selectively lap-joint the body through the first grounding piece and/or the second grounding piece to form a grounding loop to optimize the high-frequency performance and improve the crosstalk/crosstalk problem, that is, when two signal lines are connected, because the spatial distance is short, unnecessary inductive and capacitive coupling can occur between the two signal lines, thereby causing signal interference.

The specific techniques employed in the present invention will be further described with reference to the following examples and accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic diagram of an embodiment of a card edge connector.

Fig. 2 is a schematic structural view illustrating the card edge connector of fig. 1 according to the present invention.

Fig. 3 is a schematic diagram illustrating a detailed structure of an electrode sheet (or a high-frequency ground terminal structure) according to the present invention shown in fig. 2.

Fig. 4 is a schematic diagram illustrating another embodiment of the electrode sheet of fig. 3.

FIG. 5 is a schematic diagram illustrating a detailed structure of the signal portion of FIG. 2 according to the present invention.

Description of the main component symbols:

2 first printed circuit board

4 second printed circuit board

10 card edge connector

122 electrode slice

1222 body

1224 clamping piece

1226 foot

1228 first contact

12210 second contact point

124 signal terminal

126 insulating member

128 first grounding piece

1210 second grounding piece

12102 cracks

14 casing

A Power supply part

B signal part

[ detailed description ] embodiments

For a fuller understanding of the objects, features and advantages of the present disclosure, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In this disclosure, the use of "a" or "an" is used to describe elements, components and assemblies described herein. This is for convenience of illustration only and provides a general sense of the scope of the present disclosure. Thus, unless clearly indicated to the contrary, such description should be read to include one, at least one and the singular also includes the plural.

In this disclosure, the terms "comprising," "including," "having," "containing," or any other similar term are intended to cover non-exclusive inclusions. For example, an element, structure, article, or apparatus that comprises a plurality of elements is not limited to only those elements but may include other elements not expressly listed or inherent to such element, structure, article, or apparatus. In addition, unless expressly stated to the contrary, the term "or" is intended to mean an inclusive "or" rather than an exclusive "or".

Please refer to fig. 1, which is a schematic diagram of an embodiment of a card edge connector. In fig. 1, the card edge connector 10 is capable of connecting a first printed circuit board 2 and a second printed circuit board 4. In the present embodiment, the power, ground and signal may refer to a pad, a solder pad, etc. used for transmitting power, ground and transmitting signal, or refer to power, voltage, ground, etc. of the first printed circuit board 2 and the second printed circuit board 4, respectively.

Referring also to fig. 2, a schematic diagram illustrating the structure of the card edge connector of fig. 1 according to the present invention is shown. In fig. 2, the card edge connector 10 includes a power portion a and a signal portion B, the number of the power portions a is illustrated by two, and the number of the signal portions B is illustrated by five, two power portions a are respectively disposed at two sides of the signal portion B, and the following description is given by one of them, and the description and functions of the other same components are the same. It is noted that, in another embodiment, the card edge connector 10 may also be similar to fig. 1, and the power portion a and the signal portion B may be covered by the housing 14.

The power supply unit a can be connected to the power supply and ground of the first printed circuit board 2 and the second printed circuit board 4, respectively.

The signal portion B includes an electrode pad 122, a signal terminal 124, and an insulator 126.

Fig. 3 is a schematic diagram illustrating a detailed structure of the electrode sheet of fig. 2. In fig. 3, the electrode sheet 122 includes a body 1222, a clip 1224, a pin 1226, a first contact 1228, and a second contact 12210. It should be noted that the electrode sheet 122 may also be referred to as a high-frequency ground terminal structure in this creation.

The body 1222 is electrically connected to the clip 1224, the pin 1226, the first contact 1228 and the second contact 12210.

The clamping member 1224 clamps the ground of the second printed circuit board 4 and the pin 1226 is connected to the ground of the first printed circuit board 2. The clip 1224 and the pin 1226 pass through the body 1222 therebetween, such that the ground of the second printed circuit board 4 is electrically connected to the ground of the first printed circuit board 2.

Fig. 4 is a schematic diagram illustrating another embodiment of the electrode sheet of fig. 3. In fig. 4, a plurality of electrode plates 122 are illustrated as an example, and the structure of each electrode plate 122 is the same, for example, arranged in parallel. In fig. 4, the electrode sheet 122 includes a first ground strip 128 and a second ground strip 1210. Although the first grounding tab 128 and the second grounding tab 1210 are shown in the present embodiment, in other embodiments, the electrode pad 122 may be combined with the first grounding tab 128 or the electrode pad 122 may be combined with the second grounding tab 1210, in addition to the original portions of the individual electrode pads 122.

The first grounding tab 128 is disposed on two side portions of the body 1222 and can be fixed by the insulating member 126, for example, the first grounding tab 128 can form a pin plug (not shown) with an edge having a barb and be inserted into a plug hole (not shown) formed by the insulating member 126, so as to fix the first grounding tab 128 on the side of the insulating member 126, in addition to that the first grounding tab 128 can be used to insulate the electrode pad 122 through the insulating member 126, and the first grounding tab 12 can also be electrically connected to the body 1222 through the first contact point 1228, so that the first grounding tab 128 is connected to the pin 1226 through the body 1222, and further connected to the ground of the first printed circuit 2 through the pin 1226.

The second grounding piece 1210 is disposed at the central portion of the body 1222, wherein the body 1222 is notched at the first contact point for disposing the second grounding piece 1210, such that the second grounding piece 1210 is electrically connected to the body 1222 through the notch, the second grounding piece 1210 is connected to the pin 1226 through the body 1222, and further connected to the ground of the first printed circuit 2 through the pin 1226. In another embodiment, the second grounding plate 1210 may additionally form slits 12102 to correspond to the indentations (i.e., where the second contact 12210 is indicated).

Referring to fig. 5, a detailed structure diagram of the signal portion of fig. 2 is illustrated. In fig. 5, the signal terminal 124 is between two adjacent electrode pads 122. The signal terminal 124 can receive the signal of the second printed circuit board 4.

The insulator 126 holds the signal terminal 124 between two adjacent electrode pads 122 and can be used for isolating the signal from the ground.

Although the embodiments of the present disclosure have been described above, it should be understood that various changes in the form, construction, features, methods and quantities described in the claims may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and therefore the scope of the present disclosure should not be limited by the claims appended hereto.

Claims

1. A card edge connector for connecting a first printed circuit board and a second printed circuit board, the first printed circuit board and the second printed circuit board providing power, ground and signal, respectively, the card edge connector comprising:

a power supply unit for connecting the power supply and the ground of the first printed circuit board and the second printed circuit board, respectively; and

a signal portion having a plurality of electrode pads, a plurality of signal terminals and a plurality of insulators, the plurality of signal terminals being between two adjacent electrode pads, the plurality of signal terminals being for receiving the signal of the second printed circuit board, the plurality of insulators fixing the plurality of signal terminals between two adjacent electrode pads, wherein each of the electrode pads further includes a body, a clip, a pin, a first contact point and a second contact point, the body being electrically connected to the clip, the pin, the first contact point and the second contact point, the clip being connected to the ground of the second printed circuit board and the ground of the first printed circuit board being connected to the pin.

2. The card edge connector according to claim 1, further comprising a housing covering the power portion and the signal portion to expose the pins.

3. The card edge connector of claim 1, further comprising a first grounding tab fixed to each of the insulating members, the first grounding tab insulating the plurality of electrode pads from the plurality of insulating members, the first grounding tab electrically connecting to the body through the first contact point, such that the first grounding tab connects to the pin through the body.

4. The card edge connector according to claim 1, wherein the second contact point of the body forms a notch.

5. The card edge connector of claim 4, further comprising a second grounding plate disposed at the notch, wherein the second grounding plate is electrically connected to the body through the notch, so that the second grounding plate is connected to the pin through the body.

6. A high frequency grounding terminal structure is applied to a first printed circuit board and a second printed circuit board, wherein the first printed circuit board and the second printed circuit board respectively provide power, grounding and signals, and the high frequency grounding terminal structure comprises:

a body;

the clamping pieces extend towards a first direction from the body so as to clamp the second printed circuit board and further receive the signal of the second printed circuit board;

the pin extends from the body towards a second direction so as to be connected with the ground or the power supply of the first printed circuit board;

a first contact point defined on a side edge of the body and adjacent to the pin; and

a second contact point defining the body between the plurality of clips.

7. The high-frequency ground terminal structure of claim 6, further comprising a first ground plate electrically connected to the body through the first contact point, such that the first ground plate is connected to the pin through the body.

8. The high-frequency ground terminal structure according to claim 6, wherein the second contact point of the body forms a notch.

9. The high-frequency ground terminal structure of claim 8, further comprising a second ground plate disposed in the gap, wherein the second ground plate is electrically connected to the body through the gap, so that the second ground plate is connected to the pin through the body.

10. The high-frequency ground terminal structure according to claim 9, wherein the second ground plate is slit to correspond to the notch.