CN105990764A - Connector - Google Patents

Abstract

The invention discloses a connector, comprising: a housing; and a circuit board installed in the housing. Wherein, the housing is electrically connected to at least one ground terminal on the circuit board. In the present invention, since the ground terminal of the circuit board installed inside the metal shell is electrically connected with the metal shell, the grounding effect of the circuit board is improved, and the performance of the entire connector is improved.

Description

Connector

technical field

The present invention relates to a connector, in particular to a connector with high signal transmission speed.

Background technique

With the development of science and technology, in the field of data centers, the signal transmission speed is getting faster and faster. Therefore, higher performance requirements are put forward for the electronic performance of connectors that transmit high-speed signals.

In the prior art, such a connector for transmitting high-speed signals generally includes a metal shell (or called a shielding shell) and a circuit board installed inside the metal shell. Formed on the circuit board are a plurality of first terminals that are in electrical contact with the mated connectors and a plurality of second terminals that are electrically connected with a plurality of wires in a cable. The metal shell is grounded to realize the electromagnetic shielding function of the connector.

However, in the prior art, the circuit board installed inside the metal case is electrically isolated from the metal case, and the static electricity accumulated on the circuit board cannot be quickly released, resulting in poor grounding effect of the circuit board, which limits performance of the entire connector.

Contents of the invention

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

An object of the present invention is to provide a connector, wherein the ground terminal of the circuit board installed inside the metal housing is electrically connected to the metal housing, thereby improving the grounding effect of the circuit board and improving the performance of the entire connector.

According to an aspect of the present invention, there is provided a connector including: a housing; and a circuit board installed in the housing. Wherein, the housing is electrically connected to at least one ground terminal on the circuit board.

According to an embodiment of the present invention, a protrusion is formed on the inner wall of the housing, and a conductive through hole is formed on the circuit board, and the conductive through hole is connected to at least one of the circuit boards. The ground terminal is electrically connected; when the circuit board is installed in the housing, the protrusion is inserted into the conductive through hole and is in electrical contact with the conductive through hole.

According to another embodiment of the present invention, the protrusion is fixed in the conductive via hole by welding.

According to another embodiment of the present invention, the protrusion is fixed in the conductive via hole by conductive glue.

According to another embodiment of the present invention, a plurality of first terminals are formed on the surface of one end of the circuit board for electrical contact with a plurality of terminals of a mated connector; and at the other end of the circuit board A plurality of second terminals are formed on the surface of the cable for electrical connection with a plurality of wires in a cable.

According to another embodiment of the present invention, the plurality of first terminals includes at least one first ground terminal, and the plurality of second terminals includes at least one second ground terminal; and the at least one first ground terminal A terminal and the at least one second ground terminal are electrically connected to the conductive via.

According to another embodiment of the present invention, the at least one first ground terminal and the at least one second ground terminal are electrically connected to the conductive via via a conductive trace.

According to another embodiment of the present invention, the first terminal and the second terminal are finger-shaped electrical connection parts printed on the surface of the circuit board.

According to another embodiment of the present invention, the first terminal and the second terminal are printed on the front and back of the circuit board.

According to another embodiment of the present invention, at least one electronic device is mounted on the circuit board, and at least one of the first terminals and at least one of the second terminals are connected to the at least one electronic device via conductive traces. The pins of the device are electrically connected.

According to another embodiment of the present invention, at least one of the first terminals and at least one of the second terminals are directly electrically connected to each other via conductive traces.

According to another embodiment of the invention, said conductive traces are printed in the interior of said circuit board.

According to another embodiment of the present invention, the housing includes a base and a cover mounted on the base; and the circuit board is mounted in the base.

According to another embodiment of the present invention, a wall recess is respectively formed on the two inner side walls of the base, the circuit board has two side parts protruding outward, and the side sides of the circuit board part supported in the wall recess.

According to another embodiment of the present invention, the cover and the base are assembled with each other through a buckle structure and/or a screw connection.

According to another embodiment of the present invention, one end of the cable protrudes into the housing and is fixed to the housing.

According to another embodiment of the present invention, a plurality of arc-shaped protruding ribs are formed on the housing, and the arc-shaped protruding ribs are pressed on the cable for fixing the cable onto the housing.

In the connectors of the foregoing embodiments of the present invention, since the grounding terminal of the circuit board installed inside the metal housing is electrically connected to the metal housing, the grounding effect of the circuit board is improved and the performance of the entire connector is improved.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may help to provide a comprehensive understanding of the present invention.

Description of drawings

FIG. 1 shows a schematic perspective view of a connector according to an embodiment of the present invention;

Figure 2 shows a longitudinal sectional view of the connector in Figure 1;

Fig. 3 shows the schematic perspective view of the circuit board installed inside the metal housing of the connector in Fig. 1; and

FIG. 4 is a schematic perspective view of the base of the metal shell of the connector in FIG. 1 .

detailed description

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

According to a general technical concept of the present invention, there is provided a connector including: a housing; and a circuit board installed in the housing. Wherein, the housing is electrically connected to at least one ground terminal on the circuit board.

FIG. 1 shows a schematic perspective view of a connector according to an embodiment of the present invention. FIG. 2 shows a longitudinal sectional view of the connector in FIG. 1 .

In an exemplary embodiment of the present invention, a connector is disclosed. As shown in FIGS. 1 and 2 , the connector mainly includes a housing 100 and a circuit board 200 installed inside the housing 100 . The housing 100 is generally made of metal and has the function of electromagnetic shielding, so it is also called a shielding housing.

3 shows a schematic perspective view of the circuit board 200 mounted inside the metal housing 100 of the connector in FIG. 1 ; and FIG. 4 shows a schematic perspective view of the base 110 of the metal housing 100 of the connector in FIG. 1 .

As shown in Figures 1 to 4, in one embodiment of the present invention, a protrusion 101 is formed on the inner wall of the housing 100, and a conductive through hole 201 is formed on the circuit board 200, the conductive through hole 201 is electrically connected to at least one ground terminal (not marked) on the circuit board 200 . When the circuit board 200 is installed in the housing 100 , the protrusion 101 on the inner wall of the housing 100 is inserted into the conductive through hole 201 on the circuit board 200 and electrically contacts with the conductive through hole 201 on the circuit board 200 . In this way, the electrical connection between the housing 100 and at least one grounding terminal on the circuit board 200 is realized, thereby improving the grounding effect of the circuit board 200 and improving the performance of the entire connector.

In one embodiment of the present invention, as clearly shown in FIG. 2 , the protrusion 101 can be fixed in the conductive via 201 by soldering.

In another embodiment of the present invention, the protrusion 101 may be fixed in the conductive via hole 201 by conductive glue.

As shown in Fig. 3 clearly, in one embodiment of the present invention, a plurality of first terminals 211 are formed on the surface of one end (the left end in Fig. and a plurality of second terminals 212 are formed on the surface of the other end (the right end in FIG. connect.

In one embodiment of the present invention, as shown in FIG. 3 , the plurality of first terminals 211 includes at least one first ground terminal, and the plurality of second terminals 212 includes at least one second ground terminal. Both the at least one first ground terminal and the at least one second ground terminal are electrically connected to the conductive via 201 . For example, at least one first ground terminal and at least one second ground terminal are electrically connected to the conductive via 201 via a conductive trace.

As clearly shown in FIG. 3 , in the illustrated embodiment, both the first terminal 211 and the second terminal 212 are finger-shaped electrical connection parts printed on the surface of the circuit board 200 .

In one embodiment of the present invention, the first terminals 211 and the second terminals 212 may be printed on the front and back sides of the circuit board 200 respectively. In this way, the size of the circuit board can be reduced.

As shown in FIG. 3 , in an embodiment of the present invention, at least one electronic device 210 may be mounted on the circuit board 200 . The electronic device 210 may be a chip or an electronic component, such as a capacitor or an inductor. At least one of the first terminals 211 and at least one of the second terminals 212 are electrically connected to pins of at least one electronic device 210 via conductive traces.

In one embodiment of the present invention, at least one of the first terminals 211 and at least one of the second terminals 212 are directly electrically connected to each other via conductive traces.

In the foregoing embodiments, the conductive traces are printed in the interior of the circuit board 200 . However, the present invention is not limited to the illustrated embodiment, and conductive traces may also be printed on the surface of the circuit board 200 .

As shown in FIGS. 1 , 2 and 4 , in the illustrated embodiment, the housing 100 includes a base 110 and a cover 120 mounted on the base 110 . The circuit board 200 is installed in the base 110 .

As clearly shown in FIG. 4 , in one embodiment of the present invention, a wall recess 112 is respectively formed on two inner side walls of the base 110 . As clearly shown in FIG. 3 , the circuit board 200 has two side portions 220 protruding outward. As shown in FIGS. 3 and 4 , the two side portions 220 of the circuit board 200 are respectively supported in the two wall recesses 112 of the base 110 . In this way, the circuit board 200 can be installed in the housing 100 .

In an embodiment of the present invention, the cover 120 and the base 110 can be assembled with each other through a buckle structure and/or a screw connection.

As shown in FIGS. 1 and 2 , in the illustrated embodiment, the cable 300 is electrically connected to the second terminal 212 of the circuit board 200 , for example, electrically connected to each other by soldering. One end of the cable 300 protrudes into the housing 100 and is fixed to the housing 100 .

As shown in FIG. 1 , FIG. 2 and FIG. 4 , in the illustrated embodiment, a plurality of arc-shaped protruding ribs 111 are formed on the housing 100 , and the arc-shaped protruding ribs 111 are pressed against the cable 300 for fixing the cable 300 to the housing 100 .

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

While certain embodiments of the present general inventive concept have been shown and described, it will be understood by those of ordinary skill in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, and various The structures described in the embodiments can be combined freely without conflicts in structure or principle, and the scope of the present invention is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element references in the claims should not be construed as limiting the scope of the invention.

Claims (17)

1. an adapter, including:

Housing (100)；With

Circuit board (200), is arranged in described housing (100),

It is characterized in that:

Described housing (100) and at least one the ground terminal electricity on described circuit board (200) Connect.

Adapter the most according to claim 1, it is characterised in that:

The inwall of described housing (100) is formed a projection (101), and in institute State and on circuit board (200), be formed with a conductive through hole (201), described conductive through hole (201) Electrically connect with at least one ground terminal on described circuit board (200)；

When described circuit board (200) is arranged in described housing (100), described projection (101) Insert in described conductive through hole (201) and make electrical contact with described conductive through hole (201).

Adapter the most according to claim 2, it is characterised in that: described projection (101) It is fixed in described conductive through hole (201) by the way of welding.

Adapter the most according to claim 2, it is characterised in that: described projection (101) It is fixed in described conductive through hole (201) by conducting resinl.

Adapter the most according to claim 1, it is characterised in that:

The surface of one end of described circuit board (200) is formed multiple the first terminal (211), For the multiple terminals electrical contact with the adapter of pairing；And

The surface of the other end of described circuit board (200) is formed multiple second terminal (212), for electrically connecting with the multiple conducting wires in a cable (300).

Adapter the most according to claim 5, it is characterised in that:

The plurality of the first terminal (211) includes at least one first ground terminal, and The plurality of second terminal (212) includes at least one second ground terminal；And

At least one first ground terminal described and at least one second ground terminal described and institute State conductive through hole (201) electrical connection.

Adapter the most according to claim 6, it is characterised in that:

At least one first ground terminal described and at least one second ground terminal described via Conductive trace electrically connects with described conductive through hole (201).

Adapter the most according to claim 5, it is characterised in that:

Described the first terminal (211) and described second terminal (212) are for being printed on circuit board (200) Surface on finger-like electrical connection section.

Adapter the most according to claim 8, it is characterised in that:

Described the first terminal (211) and described second terminal (212) are printed on described circuit board (200) on obverse and reverse.

Adapter the most according to claim 9, it is characterised in that:

At least one electronic device (210) is installed on described circuit board (200), described At least one in one terminal (211) and at least one warp in described second terminal (212) Electrically connected by the pin of conductive trace with described at least one electronic device (210).

11. adapters according to claim 9, it is characterised in that:

In at least one in described the first terminal (211) and described second terminal (212) At least one is directly electrically connected to each other via conductive trace.

12. according to the adapter described in claim 7,10 or 11, it is characterised in that: institute State in the inside that conductive trace is printed on described circuit board (200).

13. adapters according to claim 5, it is characterised in that:

Described housing (100) includes pedestal (110) and the lid being arranged on pedestal (110) Son (120)；And

Described circuit board (200) is arranged in described pedestal (110).

14. adapters according to claim 13, it is characterised in that:

Two medial walls of described pedestal (110) are respectively formed with a wall recess (112), Described circuit board (200) has two side portion (220) protruded outwardly, described circuit board (200) side portion (220) is supported in described wall recess (112).

15. adapters according to claim 13, it is characterised in that:

Described lid (120) and described pedestal (110) are connected by buckle structure and/or screw thread Fitting is assembled to each other.

16. adapters according to claim 15, it is characterised in that:

One end of described cable (300) is stretched in described housing (100) and is fixed to described Housing (100).

17. adapters according to claim 16, it is characterised in that:

Described housing (100) is formed multiple arc convex rib (111), described arc Salient rib (111) is compressed on described cable (300), for by described cable (300) It is fixed on described housing (100).