TW201409869A - Electrical connector - Google Patents

Abstract

The present invention is to provide an electrical connector plugged into the circuit board and mainly comprising a housing and a grounding unit and a transmission unit contained in the housing, wherein the transmission unit has a plurality of transmission members, and the grounding unit conducts the thermal energy from the electrical connector and dissipates heat through the circuit board. Accordingly, the present invention could conduct heat from the electrical connector through the grounding unit and the connection unit and achieve the efficacy of heat dissipation through the circuit board. Simultaneously, by means of the grounding unit and the connection unit, the purpose of preventing electromagnetic wave interference and crosstalk phenomenon can be achieved, thereby increasing the signal transmission rate and having an advantage of structure simplification and easy assembly.

Description

Electrical connector (2)

The present invention relates to an electrical connector, and more particularly to an electrical connector having a grounding component and a signal transmission component.

The electrical connector is used to electrically connect two electronic devices or two electronic interfaces (for example, between two circuit boards or between an electronic device and a circuit board) for two electronic devices or two electrons. Interface for data or signal transmission.

A conventional electrical connector generally has a housing and a plurality of transmission units and a plurality of grounding units housed in the housing, wherein each of the transmissions is provided with a plurality of transmission members for transmitting signals; the transmission members The length, shape and physical properties affect the performance of the electrical connector, especially the adjacent conductive terminals in the high-frequency, high-speed transmission electrical connectors are easily affected by each other, such as crosstalk, electromagnetic interference or transmission signal error. Furthermore, the trend toward miniaturization of electrical connectors has made structural design such as the length, shape, and arrangement of conductive paths of such conductive terminals more important. The assembly of the conventional electrical connector is repeated side by side according to the sequence of the grounding unit and the transmission unit, and the grounding units are electrically connected to each other to form a ground loop to reduce electromagnetic interference caused by the signal terminal when transmitting signals. .

However, the signal transmission system between the adjacent transmission members in each of the transmission units cannot avoid electromagnetic wave interference or crosstalk; at the same time, the grounding units and the transmission units are sequentially arranged in parallel, and the Grounding unit The electrical connection between the conductive members is required to form a ground loop, which results in the conventional electrical connector having the disadvantages of complicated structure and difficulty in assembly. Moreover, since the thermal energy generated when the electrical connector operates is easily accumulated in the electrical connector and cannot be effectively conducted, the transmission performance of the electrical connector is lowered.

An object of the present invention is to provide an electrical connector which has the advantages of simplified structure and easy assembly, and can improve the function of preventing electromagnetic wave interference by structural configuration, thereby improving the signal transmission rate.

Another object of the present invention is to provide an electrical connector that allows the thermal energy generated by the operation of the electrical connector to be conducted to the outside by the structural configuration of the grounding unit and the circuit board to achieve heat dissipation.

To achieve the above and other objects, the present invention provides an electrical connector for plugging into a circuit board, the electrical connector comprising: a housing; a plurality of grounding units are disposed in the housing; A plurality of transmission units are disposed in the housing, and each of the transmission units has a plurality of transmission members; wherein the ground units direct thermal energy away from the electrical connector and dissipate heat through the circuit board.

In one embodiment, the electrical connector further includes at least one connection unit, each of the connection units being connected to the grounding unit for conducting thermal energy of the electrical connector to the circuit board for heat dissipation, and The equal transmission unit is disposed between the grounding units.

In one embodiment, each of the grounding units has a first carrier and a grounding conductor, and the grounding conductor is disposed in the first carrier and has And a plurality of grounding connection portions, each of the transmission units having a second carrier plate, wherein the transmission members are disposed in the second carrier plate at intervals, and each of the connection units is connected to each of the ground connection portions.

In one embodiment, each of the first carrier plates has a plurality of first grooves, and each of the ground connection portions protrudes from each of the first grooves.

In one embodiment, the housing has a plurality of heat dissipation ports, and each of the second carrier plates has a plurality of second grooves, the heat dissipation ports, the first grooves, and the second grooves. The location corresponds.

In one embodiment, the connecting unit has a fitting portion, a heat conducting portion and a through port, and the plurality of fitting grooves are arranged on the fitting portion for coupling with the ground connecting portions, and the heat conducting portion is used for The circuit board is contacted to conduct thermal energy of the electrical connector to the circuit board, the port being through the connection unit.

In one embodiment, the grounding units are connected in parallel with two transmission units, and the grounding conductive members of the grounding units have a plurality of grounding terminals, and the transmission members of the transmission units have a plurality of transmission terminals, and The ground terminals of the adjacent grounding units and the transmission terminals of the transmission units are arranged offset from each other.

In an embodiment, a heat conducting material is disposed between each of the connecting units and the surface of the circuit board.

Therefore, the electrical connector of the embodiment of the present invention has the advantages of simplified structure and easy assembly, and can achieve the purpose of effectively preventing electromagnetic wave interference to improve the signal transmission rate. Meanwhile, the electrical connector of the present invention is provided by the grounding unit. The heat energy can be transmitted to the outside through the circuit board, and the heat dissipation effect is further enhanced by the connecting unit, thereby providing an electrical connection with high heat dissipation performance. Device.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a partially exploded perspective view of an electrical connector according to an embodiment of the present invention. The electrical connector 1 of the embodiment of the present invention is used for plugging into a circuit board 500. The electrical connector 1 mainly includes A housing 100, a plurality of grounding units 200, and a plurality of transmission units 300a, 300b, wherein the grounding units 200 conduct thermal energy away from the electrical connector 1 and dissipate heat through the circuit board 500.

The grounding unit 200 is disposed in the housing 100, and as shown in FIG. 2, each of the grounding units 200 has a first carrier 210 and a grounding conductor 220. The grounding conductor 220 is disposed on the grounding conductor 200. The first carrier 210 has a plurality of ground connections 221 therein. The grounding conductor 220 is formed with a plurality of grounding terminals 222 protruding from the first carrier 210 to electrically connect to the circuit board, other electronic components or devices. Moreover, when the electrical connector 1 of the embodiment of the present invention is plugged into the circuit board 500, each of the grounding units 200 can contact the circuit board 500 and transfer the thermal energy in the electrical connector 1 to utilize The other surfaces and back sides of the board 500 provide surface area for heat dissipation.

As shown in FIG. 1, the transmission units 300a, 300b are disposed in the housing 100, and each of the transmission units 300a, 300b is disposed on the grounding order. One side of the element 200, and as shown in FIGS. 3 and 4, each of the transmission units 300a, 300b has a second carrier 310 and a plurality of transmission members 320, and the transmission members 320 are Arranged in the second carrier 310 at intervals. Moreover, the transmission members 320 are bent from one side of the second carrier 310 to the adjacent one side, and protrude from the side of the second carrier 310 to form transmission terminals 321a, 321b. Electrically connected to a circuit board, other electronic components or devices.

As shown in FIG. 1 , in the present embodiment, the grounding unit 200 and the transmission units 300 a , 300 b are disposed side by side in the accommodating space in the housing 100 to form the electrical connector 1 . Data transmission is performed by plugging an external transmission cable (not shown), wherein the grounding units 200 are connected in parallel with two transmission units 300a, 300b, and in FIG. 3, the transmission parts of the transmission units 300a are shown. The 320 series has a plurality of transmission terminals 321a, and the transmission unit 320 of each of the transmission units 300b has a plurality of transmission terminals 321b, wherein the terminals 321a of the adjacent transmission units 300a and the transmission terminals 321b of the transmission unit 300b are The grounding terminals 222 of the grounding unit 200, the transmission terminals 321a of the transmission unit 300a, and the transmission terminals 321b of the transmission unit 300b are arranged in a misaligned manner with each other, and the arrangement is arranged according to the specifications of the electrical connector specifications. However, the present invention is not limited to the example shown in this embodiment, and may be designed in accordance with various manufacturing specifications of the electrical connector.

As shown in FIG. 1 , FIG. 5 , and FIG. 8 , the electrical connector 1 of the embodiment of the present invention further includes at least one connecting unit 400 , and each of the connecting units 400 is connected to the grounding unit 200 for The heat of the electrical connector 1 The transmission unit 300a, 300b is disposed between the grounding units 200; and each of the connection units 400 is connected to each of the grounding connections 221 to The grounding conductors 220 of the grounding unit 200 are electrically connected to each other to achieve electromagnetic wave interference and crosstalk prevention between the transmission units 300a and 300b inside the electrical connector.

In this embodiment, as shown in FIG. 2, each of the first carrier plates 210 of each of the grounding units 200 has a plurality of first recesses 211, and each of the grounding connecting portions 221 protrudes from the first one. In the groove 211, and as shown in FIG. 4 and FIG. 5, each of the second carrier plates 310 of each of the transmission units 300a, 300b has a plurality of second grooves 311, and the second grooves 311 are The position corresponds to the positions of the first grooves 211 for accommodating the connecting units 400.

Referring to FIG. 1 , each of the first carrier 210 has three first recesses 211 , and each of the second carrier 310 has three second recesses 311 , and the first recesses 211 and the first recesses 211 . The positions of the second grooves 311 correspond to each other, so when the grounding units 200 are assembled side by side with the transmission units 300a, 300b, the first grooves 211 of the first carrier 210 and the second The second recesses 311 of the carrier 310 are aligned to form three accommodating slots for accommodating the three connecting units 400 for assembling the three connecting units 400, thereby being connected by the connecting units 400. An electrical connection is made between the grounding conductors 220.

In this embodiment, referring to FIG. 1 , FIG. 6 and FIG. 7 , the housing 100 can further have a plurality of heat dissipation ports 110 , and the heat dissipation ports. The position of the first recess 211 corresponds to the position of the second recess 311, and accordingly, when the electrical connector 1 is electrically connected to an external transmission cable (not shown), The heat transfer generated by the transmission component 320 in the transmission unit 300a, 300b due to the transmission of the signal can be thermally conducted by each of the grounding unit 200 and/or each of the connection unit 400 to prevent thermal energy from accumulating in the electrical connector 1. Further, the heat dissipation port 110 on the housing 100 can be radiated to the outside to improve the heat dissipation performance. The heat dissipation openings 110 can be in the form of grooves or openings, and are not limited to the examples shown in the drawings. .

Referring to FIG. 5 and FIG. 9 , the connecting unit 400 has a fitting portion 410 , a heat conducting portion 420 and a through hole 430 . The fitting portion 410 is arranged with a plurality of slots 411 for grounding. The connecting portion 221 is coupled to the heat radiating portion 420 for heat dissipation of the electrical connector 1. The through port 430 extends through the connecting unit 400, and as shown in FIGS. 7 and 9, the port 430 is The heat dissipation port 110 is connected. In the present embodiment, as shown in FIG. 5 and FIG. 9 , the connecting unit 400 is formed by bending a metal plate body having good thermal conductivity, and has a rectangular shape and having the opening 430 therein. The fitting portion 410 is formed to extend upward, and the flat bottom surface is the heat conducting portion 420.

In addition, as shown in FIGS. 6 to 9, in the electrical connector 1, the connecting units 400 are abutted against the surface of the circuit board 500, and the heat generated by the transmitting units 300a, 300b can be further utilized. The connection unit 400 is conducted to the circuit board 500 to enhance the heat dissipation effect. In addition, the connection unit 400 can be configured to be exposed to the heat dissipation port 110 of the housing 100, thereby improving the heat dissipation effect.

Furthermore, the port 430 can penetrate and connect to each of the connecting units 400. Each of the heat dissipation ports 110 can form a passage for the gas to pass through, thereby carrying away the heat energy transmitted from the transmission units 300a, 300b to the connection unit 400, thereby enhancing the heat dissipation effect.

Further, the surface of the circuit board 500 may be provided with a copper plating area for enhancing the heat conduction effect, and the heat conducting portion 420 of the connecting unit 400 is used to improve the heat conduction performance by contacting the copper area of the circuit board 500; A heat conductive material 510 such as a thermal conductive paste may be disposed between the heat conducting portion 420 of the connecting unit 400 and the copper plating region of the circuit board 500 to further improve the heat conduction effect.

Accordingly, the electrical connector 1 of the embodiment of the present invention can reduce signal interference or crosstalk between the transmission units 300a, 300b to improve the performance of the electrical connector 1 signal transmission, and the present invention is The grounding unit 200 and the connecting units 400 can further have the effect of greatly improving heat dissipation.

The electrical connector 1 of the embodiment of the present invention is applicable to the electrical connector 1 corresponding to the transmission cable of various specifications, and the difference between different specifications is only the overall size and the configuration of the transmission unit 300a, 300b. Differently, in particular, in different types of electrical connectors, the lengths and shapes of the transmission members are different, and the dimensions of the first carrier, the second carrier, and the housing are different; however, different specifications The electrical connector can be applied to the present invention, and the grounding unit and the connecting unit can achieve the effect of preventing electromagnetic wave interference. Therefore, the application of various electrical connector specifications should be covered by the patent application scope of the present invention.

Therefore, the electrical connector of the embodiment of the invention has the advantages of simplified structure and easy assembly, and can effectively prevent electromagnetic interference to improve. The purpose of the signal transmission rate is that the electrical connector of the embodiment of the present invention can conduct heat energy to the outside through the circuit board through the grounding unit, and further enhance the heat dissipation effect by the connecting unit, thereby providing high heat dissipation. Power connector for performance.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

1‧‧‧Electrical connector

100‧‧‧shell

110‧‧‧ vents

200‧‧‧ Grounding unit

210‧‧‧ first carrier

211‧‧‧First groove

220‧‧‧Grounding conductor

221‧‧‧Ground connection

222‧‧‧ Grounding terminal

300a, 300b‧‧‧ transmission unit

310‧‧‧Second carrier

311‧‧‧second groove

320‧‧‧Transportation

321a, 321b‧‧‧ transmission terminal

400‧‧‧ Connection unit

410‧‧‧Mate

411‧‧‧ slotted

420‧‧‧Transfer Department

430‧‧‧ mouth

500‧‧‧ circuit board

510‧‧‧thermal materials

Figure 1 is a partially exploded perspective view of an electrical connector in accordance with an embodiment of the present invention.

2 is a schematic view of a grounding unit in an electrical connector according to an embodiment of the present invention.

Figure 3 is a schematic diagram of a transmission unit in an electrical connector of an embodiment of the present invention.

Figure 4 is a schematic view showing another transmission unit in the electrical connector of the embodiment of the present invention.

Fig. 5 is a schematic view showing a connecting unit in the electrical connector of the embodiment of the invention.

Figure 6 is a schematic diagram of an electrical connector and a circuit board in accordance with an embodiment of the present invention.

Figure 7 is a diagram showing the electrical connector of the embodiment of the present invention inserted into the circuit board schematic diagram.

Figure 8 is a cross-sectional view showing the electrical connector of the embodiment of the present invention taken along the line A-A in Figure 7;

Figure 9 is a partially enlarged schematic view showing the connecting unit of the electrical connector of the embodiment of the present invention in Figure 7.

1‧‧‧Electrical connector

100‧‧‧shell

110‧‧‧ vents

200‧‧‧ Grounding unit

210‧‧‧ first carrier

220‧‧‧Grounding conductor

221‧‧‧Ground connection

222‧‧‧ Grounding terminal

300a, 300b‧‧‧ transmission unit

310‧‧‧Second carrier

320‧‧‧Transportation

321a, 321b‧‧‧ transmission terminal

400‧‧‧ Connection unit

410‧‧‧Mate

411‧‧‧ slotted

420‧‧‧Transfer Department

430‧‧‧ channel

Claims (8)

An electrical connector for plugging into a circuit board, the electrical connector comprising: a housing; a plurality of grounding units disposed in the housing; and a plurality of transmission units disposed in the housing Each of the transmission units has a plurality of transmission members; wherein the ground units direct thermal energy away from the electrical connector and dissipate heat through the circuit board. The electrical connector of claim 1, further comprising at least one connecting unit, each of the connecting units being connected to the grounding unit for conducting thermal energy of the electrical connector to the circuit board For heat dissipation, and the transmission units are disposed between the grounding units. The electrical connector of claim 2, wherein each of the grounding units has a first carrier and a grounding conductor, the grounding conductor being disposed in the first carrier and having a plurality of groundings Each of the transmission units has a second carrier plate, and the transmission members are disposed in the second carrier plate at intervals, and each of the connection units is connected to each of the ground connection portions. The electrical connector of claim 3, wherein each of the first carrier plates has a plurality of first grooves, and each of the ground connection portions protrudes from each of the first grooves. The electrical connector of claim 4, wherein the housing has a plurality of heat dissipation ports, and each of the second carrier plates has a plurality of second grooves, the heat dissipation ports, the first concaves The position of the groove and the second grooves Corresponding. The electrical connector of claim 5, wherein the connecting unit has a fitting portion, a heat conducting portion and a through port, and the plurality of slots are arranged on the fitting portion for connecting to the ground In combination, the heat conducting portion is configured to contact the circuit board to conduct thermal energy of the electrical connector to the circuit board, the through hole extending through the connecting unit. The electrical connector of claim 3, wherein the grounding units are connected in parallel with two transmission units, and the grounding conductive members of the grounding units have a plurality of grounding terminals, each of the transmitting units The transmission member has a plurality of transmission terminals, and the ground terminals of the adjacent grounding units and the transmission terminals of the transmission units are misaligned with each other. The electrical connector of claim 3, wherein a thermal conductive material is disposed between each of the connecting unit and the surface of the circuit board.