TWI747581B - Electrical connector structure capable of resisting electromagnetic interference - Google Patents

Abstract

The present invention relates to an electrical connector structure capable of resisting electromagnetic interference, which includes: an insulating body with a hollow accommodating space inside, and a mating opening connected to one side of the accommodating space; a shielding shell, which There is an accommodating cavity in which the insulating body is inserted and positioned; a socket, which includes a circuit board, and a tongue plate that can be assembled to the mating opening of the insulating body is formed on one side of the circuit board, A plurality of metal contacts are provided on at least one surface of the tongue plate, the metal contacts include a plurality of grounding points, and the other side of the circuit board is provided with a plurality of cables that are electrically connected to the metal contacts, And the circuit board is provided with at least one metal guide hole electrically connected to the grounding points, the metal guide hole is for a conductive pin to pass through, and the two ends of the conductive pin penetrate the insulating body and The two inner sides of the shielding shell resist to produce electrical connections, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding shell through the conductive pins for elimination. The foregoing structure can achieve anti-electromagnetic interference. Electrical connector structure.

Description

Electrical connector structure capable of resisting electromagnetic interference

The present invention provides an electrical connector structure capable of resisting electromagnetic interference, in particular to a circuit board provided with at least one metal via that is electrically connected to a plurality of grounding points, and the metal via is provided for a conductive pin to make one When inserted, the two ends of the conductive pin penetrate the insulating body and resist the two inner sides of the shielding shell to produce an electrical connection, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding shell through the conductive pin. For elimination, the electrical connector structure that can resist electromagnetic interference is achieved by the foregoing structure.

According to the rapid development of electronic technology nowadays, all kinds of electronic devices have been popularized in all corners of society. With the development of technology, the development trend of electronic products such as computers, laptops, and smart phones has also been Moving towards strong computing functions, fast transmission speed and light, thin, short, and small size, the size and height of the connectors inside electronic products need to be smaller and more precise, and the overall structural strength needs to be strengthened. In response to the current development trend of electronic products, various types of connectors have been developed.

In addition to the increasingly miniaturized design of connectors for mobile devices, the requirements for transmission speed and bandwidth are also getting higher and higher. In contrast, the problems caused by high-frequency signal transmission are endless, and with the connection The miniaturization of the device and the significant increase in transmission speed, the increase in the number of terminal groups and the denser distribution, it is very easy to cause high frequency due to the close proximity of adjacent terminals The electromagnetic wave and crosstalk interference during signal transmission will be more serious in the future with the progress of semiconductor manufacturing process. For high-frequency connectors, there are many signal integrity problems. , The magnitude of electromagnetic interference (EMI) has a great relationship with how the internal system grounding area of electronic products is designed. The design consideration is how to make high-speed transmission cables in addition to ground pads (GND PADS) can also generate electricity with the system grounding area. Sexual connection, so how to design the connection structure between high-speed transmission cables, electrical connectors and circuit boards to eliminate electromagnetic interference signals is the key to the research and improvement of those who need to be engaged in this industry.

Therefore, in view of the above-mentioned problems and deficiencies, the inventor collected relevant information, and through multiple evaluations and considerations, he designed the invention of this kind of electrical connector structure that is resistant to electromagnetic interference.

The main purpose of the present invention is to provide an electrical connector structure capable of resisting electromagnetic interference, including: an insulating body with a hollow accommodating space inside, and a mating opening connected to one side of the accommodating space; a shielding shell The inside of the body has an accommodating cavity for the insulating body to pass through and positioning; a socket, which includes a circuit board, and one side of the circuit board is formed with one of the butting openings that can be assembled to the insulating body A tongue plate is provided with a plurality of metal contacts on at least one surface of the tongue plate, the metal contacts include a plurality of grounding points, and the other side of the circuit board is provided with a plurality of metal contacts that are electrically connected to the metal contacts Cable, and the circuit board is provided with at least one metal guide hole that is electrically connected to the grounding points. The insulating body and the two inner sides of the shielding shell are resisted to produce an electrical connection, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding shell through the conductive pins for elimination. Electrical connector structure for electromagnetic interference.

The secondary objective of the present invention is to further include a housing with a receiving slot for the shielding shell to be used as a accommodating groove inside the housing.

Another object of the present invention is that a positioning hole is provided on the upper and lower sides of the insulating body for the two ends of the conductive pin to pass through.

Another object of the present invention is that the top side surface of the insulating body is further provided with a positioning groove for assembling a snap-fit spring sheet, and a limit frame is protrudingly provided on both sides of the positioning groove, and the two limit frames are respectively provided on the inner side. There is a sliding groove for the two-side engaging parts of the buckling elastic piece to slide into, and each of the two engaging parts protrudes toward the rear end of the joint to form a flange to be combined with the relative inner side of the limit frame. A stop wall is used to form a positioning, and a positioning block in an arc shape is further provided between the two limit frames, and a stop hole is recessed in the buckling elastic piece corresponding to the positioning block, and the buckling The top surface of the elastic sheet is further provided with two protrusions that engage with the two button holes of the shielding shell, and one side of the top surface of the snap-fit elastic sheet is bent upward to form a pressing part with a plurality of protrusions.

Another object of the present invention is that the conductive pin is composed of a rivet or a pogo pin.

1: Insulating body

10: Housing space

100: Butt opening

101: positioning hole

11: positioning slot

12: limit frame

121: Slippery ditch

13: stop wall

14: positioning block

2: Shielding shell

20: containing cavity

200: button hole

21: Welding Department

3: Socket

30: Metal pilot hole

31: circuit board

311: Tongue Board

312: Metal contacts

32: Cable

4: Conductive pin

5: Shell

50: storage slot

6: Fasten the shrapnel

60: Stop

61: card joint

611: Flange

62: bump

63: Pressing part

[Figure 1] is a perspective view of the electrical connector of the present invention.

[Figure 2] is an exploded view of the three-dimensional appearance of the electrical connector of the present invention.

[Figure 3] is another three-dimensional exploded view of the electrical connector of the present invention.

[Figure 4] is a side cross-sectional view of the electrical connector of the present invention.

In order to achieve the above objectives and effects, the technical means and structure adopted by the present invention In order to fully understand the features and functions of the preferred embodiment of the present invention, it is drawn as follows.

Please refer to Figures 1 to 4, each of which is a three-dimensional appearance view, a three-dimensional appearance exploded view, another three-dimensional appearance exploded view, and a side sectional view of the electrical connector of the present invention. It can be clearly seen from the figures that the present invention can The structure of the anti-electromagnetic interference electrical connector includes: an insulating body 1, a shielding shell 2, a socket 3, a conductive pin 4, a shell 5 and a snap-fit spring 6, and its main components and features are detailed The description is as follows:

The insulating body 1 has a hollow accommodating space 10 inside, and a mating opening 100 is connected to one side of the accommodating space 10.

The shielding shell 2 has an accommodating cavity 20 for the insulative housing 1 to be inserted and positioned inside. The shielding shell 2 has a plurality of welding parts 21 protruding from the shell 5 on the top side and the bottom side.

The socket 3 includes a circuit board 31. One side of the circuit board 31 is formed with a tongue plate 311 that can be assembled to the mating opening 100 of the insulating body 1, and a plurality of tongue plates 311 are provided on at least one surface of the tongue plate 311. Metal contacts 312, the metal contacts 312 include a plurality of grounding points (not shown in the figure), and the other side of the circuit board 31 is provided with a plurality of cables 32 that are electrically connected to the metal contacts 312 , And the circuit board 31 is provided with at least one metal guide hole 30 electrically connected to the grounding points. The metal guide hole 30 is for a conductive pin 4 to pass through, and the conductive pin 4 has two ends. The two inner sides of the insulating body 1 and the shielding shell 2 are penetrated to produce an electrical connection, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding shell 2 through the conductive pin 4 for elimination. The conductive pin 4 is composed of a rivet or a pogo pin (POGG PIN). The rivet is a metal object with no elasticity. On the contrary, the pogo pin is a metal object with elasticity. Both can be used as conductive Media, depending on the type and characteristics of electrical connectors, can be adapted and selected.

The aforementioned metal vias 30 are arranged in the circuit board 31 between the metal contacts 312 and the welding places of the cables 32. The metal via 30 is to plate a metal layer (for example: gold, silver, copper) after drilling the printed circuit board, and the metal via 30 is electrically connected to at least one conductive circuit of the printed circuit board , And make the metal via 30 a part of the conductive circuit of the electronic circuit.

The electrical connector of the present invention further includes a housing 5 with a receiving slot 50 for the shielding shell 2 as a housing.

A positioning hole 101 is provided on the upper and lower sides of the insulating body 1 for the two ends of the conductive pin 4 to pass through.

The top side surface of the insulating body 1 is further provided with a positioning groove 11 for a snap-fit spring 6 to assemble. A limit frame 12 is protruded on both sides of the positioning groove 11, and the two limit frames 12 are provided with opposite inner sides. The two-side engaging portions 61 of the buckling elastic sheet 6 are slidably inserted into a sliding groove 121, and each of the two engaging portions 61 protrudes toward the rear end of the coupling to form a flange 611 to be coupled to the limit frame 12 opposite to each other. A stop wall 13 is beveled on the inner side to form a positioning, and a positioning block 14 in an arc shape is further provided between the two limit frames 12, and the snap-fit elastic piece 6 corresponds to the concave position of the positioning block 14 A blocking hole 60 is provided, and the top surface of the snap-fit elastic piece 6 is further provided with two protrusions 62 that engage with the two snap holes 200 of the shielding shell 2, and one side of the top surface of the snap-fit elastic piece 6 Then, it is bent upward to form a pressing portion 63 having a plurality of protrusions.

The metal vias 30 are arranged in the circuit board 31 between the metal contacts 312 and the welding places of the cables 32. The location of the metal vias 30 facilitates the connection between the metal contacts 312 and the The ground signals of the cables 32 are electrically connected.

To assemble the electrical connector of the present invention, first put the shielding shell 2 into the receiving slot 50 of the shell 5 for an assembly and positioning, and then slide the snap-fit spring 6 into the two by using its two-side engaging parts. The sliding groove 121 of the limit frame 12 is assembled on the top side of the positioning groove 11, and the flange 611 at the rear end of the two engaging portions 61 is combined with the stop wall 13 of the limit frame 12 to form a positioning, and then insert The circuit board 31 of the socket 3 is inserted into the accommodating space 10 of the insulating body 1, and the tongue plate 311 at the front end of the circuit board 31 is positioned in the mating opening 100 to form the assembly positioning of the insulating body 1 and the socket 3, and assembly The rear insulating body 1 and the socket 3 are inserted into the accommodating cavity 20 of the shielding shell 2, and the two projections 62 of the snap-fit spring 6 and the two button holes 200 of the shielding shell 2 are engaged with each other to complete The assembly of the electrical connector of the present invention. To withdraw the insulative body 1 and the socket 3 from the shielding shell 2, only need to press the pressing portion 63 of the snap-fit spring 6 to disengage the engaging portion 61 from the buckle hole 200 of the shielding shell 2, and then the insulative body 1 and the socket 3 are pulled out in a direction away from the shielding shell 2 to complete the operation of separating the electrical connector.

The electrical connector of the present invention can achieve the effect that at least one metal via 30 is provided between the metal contact 312 and the circuit board 31 where the plurality of cables 32 are welded, and the metal via 30 is connected to the circuit board 31. The plurality of grounding points in the plurality of metal contacts 312 and the plurality of cables 32 for grounding are electrically connected, and then a conductive pin 4 is inserted into the metal via 30, and the two ends of the conductive pin 4 are insulated The main body 1 is electrically connected to the two inner sides of the shielding case 2, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding case 2 through the conductive pins 4 for elimination, and the shielding case 2 is A metal frame body can be regarded as a larger grounding area, and the shielding shell 2 can also be directly or indirectly electrically connected to the metal frame or metal casing of the electronic product to form a larger grounding area. Such implementation aspects should also be encompassed by the present invention. The foregoing configuration has an excellent effect on eliminating electromagnetic interference signals. In addition, since the circuit board 31 is not directly attached and assembled with the shielding case 2, the medium outside the circuit board 31 is air, so that the insertion loss (Insertion Loss) generated by the high-speed transmission cable 32 can be lower, and high speed can be achieved. The transmission of the plural cables 32 is not affected by electromagnetic interference and can normally transmit electronic signals, so that the high-speed transmission characteristics of the electrical connector of the present invention Achieve optimization.

According to the above-mentioned figures 1 to 4, it can be understood that the present invention is an electrical connector structure capable of resisting electromagnetic interference, including: an insulating body with a hollow accommodating space in the accommodating space One side communicates with a pair of openings; a shielding shell, inside of which there is an accommodating cavity for the insulative body to be inserted and positioned; A tongue plate at the mating opening of the insulating body is provided with a plurality of metal contacts on at least one surface of the tongue plate, the metal contacts include a plurality of grounding points, and the other side of the circuit board is provided with the The metal contacts generate a plurality of cables that are electrically connected, and the circuit board is provided with at least one metal via that is electrically connected to the ground points, and the metal via is for a conductive pin to pass through, The two ends of the conductive pin further penetrate the insulating body and resist the two inner sides of the shielding shell to produce an electrical connection, so that the electromagnetic interference signals of the grounding points are transmitted to the shielding shell through the conductive pin. Eliminate the electrical connector structure that can resist electromagnetic interference by the aforementioned structure. The application of the present invention to the electromagnetic interference prevention of electrical connectors has excellent effects, so a patent application was filed to seek protection of the patent right.

The above are only the preferred embodiments of the present invention, and are not limited to the scope of the patent of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be included in the present invention in the same way. Within the scope of the patent, it shall be Chen Ming.

To sum up, the above-mentioned anti-electromagnetic interference electrical connector structure of the present invention can indeed achieve its effect and purpose when used. Therefore, the present invention is an invention with excellent practicability and meets the requirements of an invention patent. Yan filed an application in accordance with the law, and I hope that the review committee will grant this case as soon as possible to protect the inventor’s hard work. If the review committee has any doubts, please send me your instructions, and the inventor will do my best to cooperate with you.

1: Insulating body

10: Housing space

100: Butt opening

101: positioning hole

11: positioning slot

12: limit frame

121: Slippery ditch

13: stop wall

14: positioning block

2: Shielding shell

20: containing cavity

200: button hole

21: Welding Department

3: Socket

30: Metal pilot hole

31: circuit board

311: Tongue Board

312: Metal contacts

32: Cable

4: Conductive pin

5: Shell

50: storage slot

6: Fasten the shrapnel

60: Stop

61: card joint

611: Flange

62: bump

63: Pressing part

Claims (7)

An electrical connector structure capable of resisting electromagnetic interference, including: An insulating body with a hollow accommodating space inside and a mating opening connected to one side of the accommodating space; A shielding shell with an accommodating cavity for the insulating body to be inserted and positioned; and A socket, including a circuit board, a tongue plate that can be assembled to the mating opening of the insulating body is formed on one side of the circuit board, and a plurality of metal contacts are provided on at least one surface of the tongue plate, the The metal contacts include a plurality of grounding points, and the other side of the circuit board is provided with a plurality of cables that are electrically connected to the metal contacts, and the circuit board is provided with electrical connections to the grounding points At least one metal guide hole, the metal guide hole is for a conductive pin to pass through, and the two ends of the conductive pin penetrate the insulating body and resist the two inner sides of the shielding shell to create an electrical connection, so that The electromagnetic interference signals of the grounding points are transmitted to the shielding shell through the conductive pins for elimination. The electrical connector structure capable of resisting electromagnetic interference according to claim 1, which further includes a housing, and the housing has a receiving slot for the shielding shell to be used as a accommodating groove. The electrical connector structure capable of resisting electromagnetic interference as described in claim 1, wherein the upper and lower sides of the insulating body are each provided with a positioning hole for the two ends of the conductive pin to pass through. The electrical connector structure capable of resisting electromagnetic interference according to claim 1, wherein the top side surface of the insulating body is further provided with a positioning groove for assembling a snap-fit spring piece, and a limit stop is protrudingly provided on both sides of the positioning groove The two limit frames are provided with a sliding groove on the opposite inner sides of the two limit frames for sliding movement of the two side engaging parts of the buckling elastic sheet, and each of the two engaging parts protrudes toward the rear end of the joint to form a flange to join A stop wall is beveled on the inner side of the limit frame to form a positioning, and the A positioning block in an arc shape is further provided between the two limit frames, and a stop hole is concavely provided at the position where the snap-fit spring sheet corresponds to the positioning block, and the top surface of the snap-fit spring sheet is further convexly provided with the shielding shell The two buckle holes of the body are mutually engaged with two protrusions, and one side of the top surface of the buckle elastic sheet is bent upward to form a pressing part with a plurality of protrusions. The electrical connector structure capable of resisting electromagnetic interference according to claim 1, wherein the shielding shell has a plurality of welding parts protruding from the shell on the top side and the bottom side. The electrical connector structure capable of resisting electromagnetic interference according to claim 1, wherein the conductive pin is formed by a rivet or a pogo pin. The electrical connector structure capable of resisting electromagnetic interference according to claim 1, wherein the metal via is provided in the circuit board between the metal contacts and the cable welding locations.

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