CN212485599U

CN212485599U - High-speed transmission board-to-board connector

Info

Publication number: CN212485599U
Application number: CN201921856429.5U
Authority: CN
Inventors: 林贤昌; 官庆东
Original assignee: P Two Electronic Technology Suzhou Co Ltd
Current assignee: P Two Electronic Technology Suzhou Co Ltd
Priority date: 2019-06-20
Filing date: 2019-10-31
Publication date: 2021-02-05
Anticipated expiration: 2029-10-31
Also published as: KR20200002868U; TWM589914U; KR200495998Y1; JP3226451U

Abstract

The present invention provides a high speed transmission board-to-board connector, which comprises a female end and a male end. The female end is connected with the first circuit board and the male end is connected with the second circuit board. The female end includes a first housing, a first signal terminal, a first negative electrode and a first positive electrode. The male end portion includes a second housing, a second signal terminal, a second negative electrode and a second positive electrode. The second grounding electrode is connected to the grounding end of the second circuit board. When the female end is connected with the male end, the first negative electrode is electrically connected with the second negative electrode, the first positive electrode is electrically connected with the second positive electrode, and the first signal terminal is electrically connected with the second signal terminal according to the electrical connection sequence.

Description

High-speed transmission board-to-board 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-speed transmission board-to-board connector capable of performing high-speed transmission board-to-board connection.

[ background of the invention ]

Conventionally, two printed circuit boards can be connected by a connector to transmit signals between the two printed circuit boards.

However, when the connector is performing high-speed data transmission, the power source is close to the signal line, so that the electric field or the magnetic field may interfere with the data of the signal line, resulting in data transmission errors; particularly in the environment of hot plug, it is more likely that the wrong data is transferred due to the sequence of signal and electrode insertion.

Accordingly, the present invention provides a high-speed transmission board-to-board connector, which is used to solve the disadvantages caused by the conventional connector.

[ Utility model ] content

A first object of the present invention is to provide a high-speed transmission board-to-board connector capable of connecting a first circuit board and a second circuit board.

The second objective of the present invention is to provide a high-speed transmission board-to-board connector, which is provided with signal terminals, negative electrodes and positive electrodes of different lengths, so that during the process of combining the female terminal with the male terminal, the electrical connection can be successfully completed according to the decreasing lengths of the signal terminals, the negative electrodes and the positive electrodes, thereby achieving the purposes of stabilizing the signal level and avoiding noise interference.

The third objective of the present invention is to provide a high-speed transmission board-to-board connector, wherein the signal terminal, the negative electrode and the positive electrode are disposed in the same slot, and the negative electrode and the positive electrode can be respectively disposed on two sides of the signal terminal or on the same side of the signal terminal.

A fourth object of the present invention is to provide a high-speed transmission board-to-board connector, wherein after the ground wires of the first and second circuit boards are connected to each other through the grounding electrode of the female end and the grounding electrode of the male end, the ground wires of the first and second circuit boards can be coupled to each other through the structure of the grounding electrode to achieve the fixing purpose, and the ground wires of the first and second circuit boards are connected to each other through the grounding electrode of the female end and the grounding electrode of the male end to achieve the independent and common grounding purpose.

The fifth objective of the present disclosure is to provide a high-speed transmission board-to-board connector, wherein the signal terminals, the negative electrodes, the positive electrodes and the first grounding electrodes with different lengths are arranged, so that during the process of combining the female terminal with the male terminal, the electrical connection can be successfully completed according to the decreasing lengths of the signal terminals, the negative electrodes and the positive electrodes, thereby achieving the purposes of stabilizing the signal level and avoiding noise interference.

A sixth object of the present invention is to provide a high speed transmission board-to-board connector, wherein the signal terminals and the power electrodes (such as the positive electrode, the negative electrode and the ground) are disposed, and the signal terminals are concentrated in one area and the power electrodes are concentrated in one area.

To achieve the above and other objects, the present invention provides a high speed transmission board-to-board connector, which connects a first circuit board and a second circuit board. The high-speed transmission board-to-board connector comprises a female end part and a male end part. The female terminal includes a first housing, a plurality of first signal terminals, a first negative electrode, a first positive electrode and a first ground electrode. The first shell forms a first accommodating space. The first shell has a first fastener and a first guiding member. The first fasteners are arranged on two sides of the first shell and form a first accommodating space with the first guide piece. One end of each first signal terminal is arranged in the first accommodating space, and the other end of each first signal terminal can be connected to the first circuit board. One end of the first negative electrode is arranged in the first accommodating space and is arranged on one side of the plurality of first signal terminals, and the other end of the first negative electrode can be connected to the first circuit board. One end of the first positive electrode is arranged in the first accommodating space and on the side or the other side of the first signal terminals, and the other end of the first positive electrode can be connected to the first circuit board. The male end portion comprises a second shell, a plurality of second signal terminals, a second negative electrode, a second positive electrode and a second grounding electrode. The second shell forms a second accommodating space. The second shell comprises a second fastener and a second guide. The second buckling pieces are arranged on two sides of the second shell. The second guide piece is formed in the second accommodating space. One end of each second signal terminal is arranged in the second accommodating space and arranged on the second guide piece, and the other end of each second signal terminal can be connected to the second circuit board. One end of the second negative electrode is arranged in the second accommodating space, arranged on one side of the second signal terminals and arranged on the second guide piece, and the other end of the second negative electrode can be connected to the second circuit board. One end of the second positive electrode is arranged in the second accommodating space, arranged on the side or the other side of the second signal terminals, arranged on the second guide piece, and the other end of the second positive electrode can be connected to the second circuit board. When the female end part is connected with the male end part, the first negative electrode is electrically connected with the second negative electrode, the first positive electrode is electrically connected with the second positive electrode, and the first signal terminals are electrically connected with the second signal terminals according to the electrical connection sequence.

Compared with the prior art, the high-speed transmission board-to-board connector provided by the present invention can perform electrical connection by a specific connection sequence, such as the order of the negative electrode, the positive electrode, the ground and the signal line, when the male end is combined with the female end, so that the accuracy of signal transmission can be avoided, and the interference under high speed/high frequency can be avoided.

In another embodiment, the fasteners on the sides of the male end and the female end are respectively connected to the ground wires of the respective boards, so that the male end and the female end can be connected to the ground wires of the boards together, and the male end and the female end can be coupled by the fasteners to prevent the connector from falling off.

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 structural view of a female end of a high-speed transmission board-to-board connector according to a first embodiment of the present invention.

FIG. 2 is a detailed schematic diagram illustrating the first fastener of FIG. 1 of the present invention.

Fig. 3 is a schematic structural diagram of the male end of the high-speed transmission board-to-board connector of the first embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating the second fastener of FIG. 3 in detail.

Fig. 5 is a schematic structural diagram of a high-speed transmission board-to-board connector according to a second embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a high-speed transmission board-to-board connector according to a third embodiment of the present invention.

Description of the main component symbols:

10. 10', 10 "female end

12 first casing

122 first fastener

1222 first ground terminal

1224 first fastening end

1226 bumps

124 first guide

126 first fixing member

14 first signal terminal

16 first negative electrode

18 first positive electrode

20 first ground electrode

30. 30 ', 30' male end

32 second housing

34 second signal terminal

36 second negative electrode

38 second positive electrode

322 second fastening component

3222 second grounding terminal

3224 second fastening end

3226 groove

324 second guide

3242 Rib body

326 second fixing member

40 second ground electrode

FSP first accommodation space

SSP second accommodation space

[ 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 and fig. 3, which are schematic structural diagrams of a female end and a male end of a high-speed transmission board-to-board connector according to a first embodiment of the present invention.

The high speed board-to-board connector includes a female end 10 and a male end 30, wherein the female end 10 of the high speed board-to-board connector is shown in fig. 1, and the male end 30 of the high speed board-to-board connector is shown in fig. 3. The female terminal 10 is connected to a first circuit board (not shown) and the male terminal is connected to a second circuit board (not shown), for example, the first circuit board and the second circuit board may be printed circuit boards.

Referring to fig. 1, the female terminal 10 includes a first housing 12, a plurality of first signal terminals 14, a first negative electrode 16, a first positive electrode 18, and a first ground electrode 20. The top view of fig. 1 is a front view of the female end and the bottom view of fig. 1 is a back view of the female end.

The first housing 12 forms a first receiving space FSP. In addition, the first housing 12 includes a first fastener 122 and a first guiding member 124. The first fasteners 122 are disposed on two sides of the first housing 12 and form a first receiving space FSP with the first guiding element 124.

One end of each first signal terminal 14 is disposed in the first receiving space FSP, and the other end thereof can be connected to the first circuit board to transmit an electronic signal.

One end of the first negative electrode 16 is disposed in the first receiving space FSP and disposed at the right side of the plurality of first signal terminals 14, and the other end can be connected to the first circuit board to receive a negative voltage of the first circuit board.

One end of the first positive electrode 18 is disposed in the first receiving space FSP and disposed at the right side of the first negative terminal 14, and the other end thereof can be connected to the first circuit board to receive a positive voltage of the first circuit board.

In addition, the length relationship between each electrode and the signal terminal is: the length of the first negative electrode 16 is greater than the length of the first positive electrode 18, the length of the first positive electrode 18 is greater than the length of the first ground electrode 20, and the length of the first ground electrode 20 is greater than or equal to the length of each first signal terminal 14.

One end of the first ground electrode 20 is disposed on the first fastener 122, and the other end thereof can be connected to the ground terminal of the first circuit board to connect the ground wire of the first circuit board. Referring also to FIG. 2, a detailed structural schematic diagram of the first fastener of FIG. 1 of the present invention is shown. In fig. 2, the first fastener 122 further includes a first ground terminal 1222, a first fastening terminal 1224, and a projection 1226. The first ground 1222 can be connected to a ground of the first circuit board. The projection 1226 is disposed at the first buckle end 1244.

In another embodiment, the female terminal 10 further includes a first fixing member 126 formed on the lower side of the first housing 12 for fixing the female terminal 10 to the first circuit board, wherein the fixing manner may be a fastening manner, an adhesion manner, a welding manner, or the like.

In another embodiment, the electrode width of the first negative electrode 16 and the first positive electrode 18 is greater than or equal to the width of each first signal terminal 14.

Referring to fig. 3, the male end 30 includes a second shell 32, a plurality of second signal terminals 34, a second negative electrode 36, a second positive electrode 38 and a second ground electrode 40. The upper view of fig. 3 is a front view of the male end and the lower view of fig. 3 is a rear view of the male end.

The second housing 32 forms a second receiving space SSP. The second housing 32 includes a second fastener 322 and a second guiding member 324. The second fasteners 322 are disposed on both sides of the second housing 32. The second guide 324 is formed in the second receiving space SSP.

One end of each second signal terminal 34 is disposed in the second receiving space SSP and disposed in the second guiding element 324, and the other end thereof can be connected to the second circuit board to transmit electronic signals. In the embodiment, the second guiding element 324 is a protrusion having ribs 3242 at two sides thereof, and the protrusion is inserted into the first receiving space FSP, so that the terminal and the electrode can be electrically connected to each other. Wherein the rib 3242 can be guided along the groove structure of the first guide 124, so that the female end 10 is connected with the male end 30.

One end of the second negative electrode 36 is disposed in the second receiving space SSP and on the left side of the plurality of second signal terminals 34 and disposed on the second guiding element 324, and the other end can be connected to the second circuit board to receive a negative voltage of the second circuit board.

One end of the second positive electrode 38 is disposed in the second receiving space SSP, is disposed at the left side of the second negative terminal, and is disposed on the second guide 324, and the other end thereof can be connected to the second circuit board to receive the positive voltage of the second circuit board.

One end of the second ground electrode 40 is disposed on the second fastener 322, and the other end can be connected to the ground terminal of the second circuit board. One end of the first ground electrode 20 is disposed on the first fastener 122, and the other end thereof can be connected to the ground terminal of the first circuit board to connect the ground wire of the first circuit board. Referring also to FIG. 4, a detailed structural view of the second fastener of FIG. 3 of the present invention is shown. In fig. 4, the second fastening member 322 further includes a second grounding end 3222, a second fastening end 3224 and a groove 3226. The second ground terminal 3222 can be connected to a ground terminal of the second circuit board. A groove 3226 is disposed at the second snap end 3224. Wherein, the position of the groove 3226 is arranged corresponding to the position of the bump 1226. In another embodiment, the positions of the groove 3226 and the bump 1226 can be interchanged. Regardless of the arrangement, when the first fastening member 122 is coupled to the second fastening member 322, the projection 1226 slides into the groove 3226 to fix the first fastening member 122 to the second fastening member 322.

The electrode width of the second negative electrode 36 and the second positive electrode 38 is greater than or equal to the width of each second signal terminal 34.

In addition, the length relationship between each electrode and the signal terminal is: the length of the second negative electrode 36 is greater than the length of the second positive electrode 38, the length of the second positive electrode 38 is greater than the length of the second ground electrode 40, and the length of the second ground electrode 40 is greater than or equal to the length of each second signal terminal 34.

In another embodiment, the male end 30 may further include a second fixing element 326 formed on the lower side of the second housing 32 for fixing the male end 30 to the second circuit board, wherein the fixing manner may be a fastening manner, an adhesive manner, a welding manner, and the like.

When the female terminal 10 is connected to the male terminal 30, the first negative electrode 16 is electrically connected to the second negative electrode 36, the first positive electrode 18 is electrically connected to the second positive electrode 38, the first ground electrode 20 is electrically connected to the second ground electrode 40, and the first signal terminals 14 are electrically connected to the second signal terminals 34 in the order of electrical connection.

In another embodiment, a partition (not shown) is further included, and is respectively disposed in the first receiving space FSP and the second receiving space SSP. The separator is used to separate the first positive electrode 18, the first negative electrode 16 and the first signal terminal 14, and the separator is used to separate the second positive electrode 38, the second negative electrode 36 and the second signal terminal 34.

Please refer to fig. 5, which is a schematic structural diagram of a high-speed transmission board-to-board connector according to a second embodiment of the present invention. In fig. 5, the high speed transmission board-to-board connector includes a female end 10 'and a male end 30'. Here, the female terminal 10 'is different from the first embodiment in that the first negative electrode 16 and the first positive electrode 18 of the female terminal 10' are respectively disposed on two sides of the first signal terminal 14, and the description of the rest of the components is the same as that of the first embodiment, which is not repeated herein.

Similarly, the second negative electrode 36 and the second positive electrode 38 of the male terminal 30' are respectively disposed on two sides of the second signal terminal 34.

Please refer to fig. 6, which is a schematic structural diagram of a high-speed transmission board-to-board connector according to a third embodiment of the present invention. In fig. 6, the high speed transmission board-to-board connector includes a female end 10 "and a male end 30". Here, the female terminal 10 "is different from the second embodiment in that the first negative electrode 16 and the first positive electrode 18 of the female terminal 10' are respectively disposed on two sides of the first signal terminal 14, and the female terminal 10" does not have the first ground terminal 1222, and the description of the rest of the components is the same as that of the first embodiment, which is not repeated herein.

Similarly, the second negative electrode 36 and the second positive electrode 38 of the male terminal 30 "are respectively disposed at two sides of the second signal terminal 34, and the male terminal 30" has no second ground 3222.

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 high-speed transmission board-to-board connector for connecting a first circuit board and a second circuit board, the high-speed transmission board-to-board connector comprising:

a female end comprising:

the first shell forms a first accommodating space, the first shell is provided with a first buckling piece and a first guiding piece, the first buckling piece is arranged on two sides of the first shell, and the first guiding piece is formed in the first accommodating space;

a plurality of first signal terminals, one end of which is arranged in the first accommodating space and the other end of which is connected to the first circuit board;

a first negative electrode, one end of which is arranged in the first accommodating space and is arranged at one side of the plurality of first signal terminals, and the other end of which is connected to the first circuit board; and

a first positive electrode, one end of which is arranged in the first accommodating space and on the side or the other side of the first signal terminals, and the other end of which is connected to the first circuit board;

a male end, comprising:

the second shell forms a second accommodating space, the second shell is provided with a second buckling piece and a second guiding piece, the second buckling piece is arranged on two sides of the second shell, and the second guiding piece is formed in the second accommodating space;

one end of each second signal terminal is arranged in the second accommodating space and arranged on the second guide piece, and the other end of each second signal terminal is connected to the second circuit board;

one end of the second negative electrode is arranged in the second accommodating space, arranged on one side of the plurality of second signal terminals, arranged on the second guide piece, and the other end of the second negative electrode is connected to the second circuit board; and

a second positive electrode, one end of which is arranged in the second accommodating space, is arranged on the side or the other side of the plurality of second signal terminals, is arranged on the second guide piece, and the other end of which is connected to the second circuit board;

when the female end is connected with the male end, the first negative electrode is electrically connected with the second negative electrode, the first positive electrode is electrically connected with the second positive electrode, and the first signal terminals are electrically connected with the second signal terminals in an electrical connection sequence.

2. The high speed transmission board-to-board connector according to claim 1, further comprising a first fixing member and a second fixing member, the first fixing member being formed on a side of the first housing to fix the female end portion to the first circuit board, and the second fixing member being formed on a side of the second housing to fix the male end portion to the second circuit board.

3. The high-speed transmission board-to-board connector according to claim 2, wherein the electrode width of the first negative electrode and the first positive electrode is not less than the width of each of the first signal terminals, and the electrode width of the second negative electrode and the second positive electrode is not less than the width of each of the second signal terminals.

4. The high-speed transmission board-to-board connector of claim 1, wherein the female end further comprises a first ground electrode, one end of which is disposed on the first fastener and the other end of which is connected to the ground terminal of the first circuit board; the male end part also comprises a second grounding electrode, one end of the second grounding electrode is arranged on the second buckling piece, and the other end of the second grounding electrode is connected to the grounding end of the second circuit board;

when the female end is connected with the male end, the first negative electrode is electrically connected with the second negative electrode, the first positive electrode is electrically connected with the second positive electrode, the first grounding electrode is electrically connected with the second grounding electrode, and the first signal terminals are electrically connected with the second signal terminals according to the electrical connection sequence.

5. The high-speed transmission board-to-board connector of claim 4, wherein the first fastener further comprises a first ground terminal, a first fastening terminal and a protrusion, the first ground terminal is connected to the ground terminal of the first circuit board, and the protrusion is disposed at the first fastening terminal.

6. The high-speed transmission board-to-board connector of claim 5, wherein the second fastener further comprises a second ground terminal, a second fastening terminal and a groove, the second ground terminal is connected to the ground terminal of the second circuit board, and the groove is formed at the second fastening terminal.

7. The speed transmission board-to-board connector of claim 6, wherein when the first fastener is coupled to the second fastener, the protrusion slides into the recess to secure the first fastener to the second fastener.

8. The high speed transmission board-to-board connector of claim 1, wherein the first fastener and the second fastener each have ground terminals, and the ground terminals of the first fastener are coupled to the ground terminals of the second fastener after the first fastener and the second fastener are coupled together.

9. The high-speed transmission board-to-board connector according to claim 6, wherein the length of the first negative electrode is greater than the length of the first positive electrode, the length of the first positive electrode is greater than the length of the first ground electrode, and the length of the first ground electrode is not less than the length of each of the first signal terminals; and the length of the second negative electrode is greater than that of the second positive electrode, the length of the second positive electrode is greater than that of the second grounding electrode, and the length of the second grounding electrode is not less than that of each second signal terminal.

10. The high-speed transmission board-to-board connector of claim 1, wherein the first negative electrode and the first positive electrode are disposed adjacent to each other, and the first negative electrode or the first positive electrode is adjacent to the first fastener or the second fastener.

11. The high-speed transmission board-to-board connector of claim 1, further comprising a separator disposed in the first receiving space and the second receiving space respectively, the separator being used for separating the first positive electrode, the first negative electrode and the first signal terminal, and the separator being used for separating the second positive electrode, the second negative electrode and the second signal terminal.