CN202759105U - electrical connector - Google Patents

Abstract

The utility model provides an electric connector for peg graft on the circuit board, mainly contain casing and holding ground connection unit and the transmission unit in the casing, wherein have a plurality of transmission parts in the transmission unit, and ground connection unit leads heat energy from electric connector and through the circuit board heat dissipation, according to this, the utility model discloses accessible ground connection unit and linkage unit lead heat energy from electric connector and reach radiating technological effect through the circuit board heat dissipation, simultaneously, can provide the purpose that prevents electromagnetic wave interference and prevent crosstalk phenomenon through ground connection unit and linkage unit, promote signal transmission rate from this to can have the advantage that the structure is simplified and easily equipment.

Description

electrical connector

technical field

The utility model relates to an electric connector, in particular to an electric connector with a grounding component and a signal transmission component.

Background technique

The electrical connector is used to make an electrical connection between two electronic devices or two electronic interfaces (such as between two circuit boards, or between an electronic device and a circuit board), so as to provide data between two electronic devices or two electronic interfaces. or signal transmission.

Existing electrical connectors generally have a housing and a plurality of transmission units and a plurality of grounding units accommodated in the housing, wherein each of the transmission units is provided with a plurality of transmission components for transmitting signals; Length, shape and physical characteristics affect the performance of electrical connectors, especially for high-frequency, high-speed transmission in electrical connectors where adjacent transmission terminals are likely to affect each other, such as crosstalk, electromagnetic wave interference or transmission signal errors, etc., and The trend of miniaturization of electrical connectors makes the structural design of the length, shape and arrangement of the conductive paths of these transmission 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 these grounding units are electrically connected to each other to form a grounding loop, so as to reduce the electromagnetic interference generated by the transmission terminal when transmitting signals.

However, electromagnetic wave interference or crosstalk cannot be avoided during signal transmission between adjacent transmission components in the transmission units; at the same time, these ground units and these transmission units are arranged in parallel in sequence, and these ground units The electrical connectors must be electrically connected through conductive elements to form a ground loop, which leads to the disadvantages of complex structures and difficult assembly in the existing electrical connectors. Moreover, since the heat energy generated during the operation of the electrical connector is easy to accumulate in the electrical connector and cannot be effectively conducted, the transmission performance of the electrical connector is reduced.

Utility model content

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 technical effect of preventing electromagnetic wave interference through structural configuration, thereby increasing the signal transmission rate.

Another object of the present invention is to provide an electrical connector, which can conduct the heat energy generated by the operation of the electrical connector to the outside through the structural configuration of the grounding unit and the circuit board, so as to achieve the effect of heat dissipation.

In order to achieve the above and other purposes, the utility model provides an electrical connector for plugging into a circuit board. The electrical connector includes: a housing; a plurality of grounding units arranged in the housing; a plurality of The transmission unit is arranged in the casing, and each transmission unit has a plurality of transmission components; wherein, the grounding units conduct heat energy away from the electrical connector and dissipate heat through the circuit board.

In an embodiment, the electrical connector further includes at least one connection unit, each of the connection units is connected to the grounding units for conducting the heat energy of the electrical connector to the circuit board for heat dissipation, and the transmission units between these ground units.

In an embodiment, each of the grounding units has a first carrier board and a grounding conductive part, the grounding conductive part is arranged in the first carrier board and has a plurality of ground connection parts, each of the transmission units has a second carrier board , these transmission components are disposed in the second carrier board at intervals, and each connection unit is connected to each ground connection portion.

In an embodiment, each of the first carrier boards has a plurality of first grooves, and each of the ground connection parts protrudes from each of the first grooves.

In an embodiment, the housing has a plurality of heat dissipation openings, and each of the second carrier plates has a plurality of second grooves, and the positions of the heat dissipation openings and the first grooves correspond to the positions of the second grooves.

In an embodiment, the connecting unit has a fitting part, a heat conducting part and a through hole, and a plurality of fitting grooves are arranged on the fitting part for combining with these grounding connecting parts, and the heat conducting part is used for contacting the circuit board to The heat energy of the electrical connector is conducted to the circuit board, and the through hole runs through the connection unit.

In an embodiment, two transmission units are connected in parallel between these grounding units, and the grounding conductive part of each grounding unit has a plurality of grounding terminals, and the transmission part of each transmission unit has a plurality of transmission terminals, and the The ground terminals of the adjacent ground units and the transmission terminals of the transmission units are arranged in a misalignment with each other.

In an embodiment, a heat-conducting material is arranged between each connecting unit and the surface of the circuit board.

Therefore, the electrical connector of the above-mentioned embodiment of the utility model has the advantages of simplified structure and easy assembly, and can effectively prevent electromagnetic wave interference to increase the signal transmission rate. At the same time, the electrical connector of the utility model can be The heat energy is conducted to the outside through the circuit board, and the effect of heat dissipation is further enhanced through the connection unit, thereby providing an electrical connector with high heat dissipation efficiency.

Description of drawings

FIG. 1 is a partially exploded schematic diagram of an electrical connector according to an embodiment of the present invention.

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

FIG. 3 is a schematic diagram of a transmission unit in the electrical connector according to the embodiment of the present invention.

FIG. 4 is a schematic diagram of another transmission unit in the electrical connector according to the embodiment of the present invention.

FIG. 5 is a schematic diagram of a connecting unit in an electrical connector according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of an electrical connector and a circuit board according to an embodiment of the present invention.

7 is a schematic diagram of an electrical connector plugged into a circuit board according to an embodiment of the present invention.

FIG. 8 is a schematic cross-sectional view of the electrical connector according to the embodiment of the present invention from the direction A-A in FIG. 7 .

FIG. 9 is a partially enlarged schematic view of the connection unit in FIG. 7 of the electrical connector according to the embodiment of the present invention.

Main component reference signs:

1 electrical connector

100 Shell

110 Heat dissipation vent

200 ground unit

210 The first carrier board

211 The first groove

220 Grounded conductive parts

221 Ground connection

222 Ground terminal

300a,300b transmission unit

310 Second carrier board

311 Second groove

320 transmission parts

321a, 321b transmission terminal

400 Connection unit

410 Fitting part

411 socket

420 Heat conduction part

430 through hole

500 circuit boards

510 Thermally conductive material

Detailed ways

In order to fully understand the purpose, features and technical effects of the utility model, the utility model is described in detail through the following specific embodiments in conjunction with the accompanying drawings, as follows.

Please refer to FIG. 1 , which is a partially exploded schematic diagram of an electrical connector according to an embodiment of the present invention; the electrical connector 1 according to this embodiment of the present invention is used to be plugged into a circuit board 500, and the electrical connector 1 mainly includes a housing 100 . A plurality of grounding units 200 and a plurality of transmission units 300 a , 300 b , wherein the grounding units 200 conduct heat away from the electrical connector 1 and dissipate heat through the circuit board 500 .

These grounding units 200 are arranged in the housing 100, and as shown in FIG. and has a plurality of ground connection parts 221 . Wherein, the ground conductive component 220 is formed with a plurality of ground terminals 222 , and these ground terminals 222 protrude from the first carrier board 210 so as to be electrically connected with circuit boards, other electronic components or devices. Moreover, when the electrical connector 1 of the embodiment of the present utility model is plugged onto the circuit board 500, the grounding units 200 can contact the circuit board 500 and guide and transfer the heat energy in the electrical connector 1, so as to The other surface and the back surface of the circuit board 500 are used to provide surface area for heat dissipation.

As shown in FIG. 1, these transmission units 300a, 300b are arranged in the housing 100, and each of the transmission units 300a, 300b is arranged on one side of these grounding units 200, and as shown in FIGS. 3 and 4, these Each of the transmission units 300 a , 300 b has a second carrier 310 and a plurality of transmission components 320 , and the transmission components 320 are arranged in the second carrier 310 at intervals. Moreover, these transmission components 320 are extended and bent from one side of the second carrier board 310 to the other adjacent side, and protrude from the side of the second carrier board 310 to form transmission terminals 321a, 321b, thereby being compatible with Electrical connection of circuit boards, other electronic components or devices.

As shown in Figure 1, in this embodiment, these grounding units 200 and these transmission units 300a, 300b are accommodated side by side in the accommodation space in the housing 100, and together form an electrical connector 1 for external transmission cables (not shown in the figure) for data transmission, wherein two transmission units 300a, 300b are connected in parallel between these grounding units 200, and the transmission part 320 of each transmission unit 300a shown in FIG. 3 has a plurality of transmission terminals 321a , the transmission part 320 of each transmission unit 300b shown in FIG. The ground terminal 222 of each ground unit 200, the transmission terminal 321a of the transmission unit 300a, and the transmission terminal 321b of the transmission unit 300b are arranged in a misalignment with each other, and the arrangement and configuration are in accordance with the specifications of electrical connectors. However, the present invention is not limited to the examples in this embodiment, and it can be arranged and designed according to various manufacturing specifications of electrical connectors.

As shown in Fig. 1, Fig. 5 and Fig. 8, the electrical connector 1 of the embodiment of the present invention also includes at least one connection unit 400, and each connection unit 400 is connected to these grounding units 200 for the electrical connection The heat energy of the device 1 is conducted to the circuit board 500 for heat dissipation, and the transmission units 300a, 300b are arranged between the grounding units 200; meanwhile, the connecting units 400 are connected to the grounding connection parts 221, so as to The grounding conductive components 220 of the grounding units 200 are electrically connected, so that the transmission units 300a, 300b inside the electrical connector can achieve the effects of preventing electromagnetic interference and crosstalk.

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 grooves 211 , and each of the grounding connection portions 221 protrudes from each of the first carrier plates 210 . In a 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 positions of these second grooves 311 Corresponding to the positions of the first grooves 211 , they are used for accommodating the connection units 400 .

Referring to FIG. 1, each of the first carrier boards 210 has three first grooves 211, and each of the second carrier boards 310 has three second grooves 311, and these first grooves 211 are connected to these first grooves. The positions of the two grooves 311 correspond to each other, so when the grounding units 200 and the transmission units 300a, 300b are assembled side by side, the first grooves 211 of the first carrier boards 210 and the second grooves of the second carrier boards 310 The grooves 311 are aligned to form three accommodating grooves for accommodating the three connecting units 400, for assembling the three connecting units 400, and then through these connecting units 400, these grounding conductive parts 220 are connected to each other. electrical connection.

In this embodiment, please refer to FIG. 1 , FIG. 6 and FIG. 7 , the casing 100 may further have a plurality of cooling vents 110, and the positions of these cooling vents 110 are related to the positions of the first grooves 211 and the second concave holes. The positions of the slots 311 are corresponding. Accordingly, when the electrical connector 1 is electrically connected to an external transmission cable (not shown in the figure), the heat energy generated by the transmission components 320 in the transmission units 300a, 300b due to the transmission signal can pass through The grounding units 200 and/or the connecting units 400 achieve heat conduction, so as to prevent heat energy from accumulating in the electrical connector 1, and further dissipate it to the outside through the heat dissipation port 110 on the housing 100, and The performance of heat dissipation can be improved; wherein, the heat dissipation vents 110 can be in the form of grooves or openings, and are not limited to the examples shown in the figure.

5 and 9, the connection unit 400 has a fitting portion 410, a heat conduction portion 420 and a through hole 430, and the fitting portion 410 is arranged with a plurality of embedding grooves 411 for combining with these ground connection portions 221, The heat conduction portion 420 is used for heat dissipation of the electrical connector 1 , the through hole 430 passes through the connection unit 400 , and as shown in FIG. 7 and FIG. 9 , the through hole 430 can communicate with the heat dissipation port 110 . In this embodiment, as shown in FIG. 5 and FIG. 9 , the connection unit 400 is formed by bending a metal plate body with good thermal conductivity, which is roughly rectangular and has the through hole 430 in it, and extends upward to form The fitting part 410 has a flat bottom surface which is the heat conducting part 420 .

In addition, as shown in FIG. 6 to FIG. 9, in the electrical connector 1, the connection units 400 are against the surface of the circuit board 500, and the heat energy generated by the transmission units 300a, 300b can be further conducted through the connection units 400. To the circuit board 500 , thereby enhancing the effect of heat dissipation. In addition, the connecting units 400 can be configured to be exposed in the heat dissipation opening 110 of the housing 100 , which can further enhance the effect of heat dissipation.

Moreover, the through hole 430 can pass through the connection units 400 and communicate with the heat dissipation ports 110, so as to form a passage for the gas to pass through, and then take away the heat energy transferred to the connection unit 400 by the transmission units 300a, 300b. , thereby enhancing the effect of heat dissipation.

Further, the surface of the circuit board 500 can be provided with a copper laying area for enhancing the heat conduction effect, so that the heat conduction part 420 of these connection units 400 can use the copper laying area contacting the circuit board 500 to improve the performance of heat conduction; furthermore, these A thermally conductive material 510 such as thermally conductive paste can be disposed between the thermally conductive portion 420 of the connection unit 400 and the copper-clad area of the circuit board 500 to further improve the effect of thermally conductive.

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

The electrical connector 1 of the above-mentioned embodiment of the present invention is an electrical connector 1 corresponding to existing transmission cables of various specifications, and the difference between different specifications is only the overall size and the size of the transmission unit 300a, 300b. Different configurations, specifically, in electrical connectors of different specifications, these transmission components are different in length and shape, and the dimensions of the first carrier board, the second carrier board, and the housing are different; however, electrical connectors of different specifications The utility model can be applied, and the effect of preventing electromagnetic wave interference can be achieved by using the grounding unit and the connecting unit, so the application of various electrical connector specifications should be covered in the claims of the utility model.

Therefore, the electrical connector in the embodiment of the present invention has the advantages of simplified structure and easy assembly, and can effectively prevent electromagnetic wave interference to increase the signal transmission rate. At the same time, the electrical connector in the embodiment of the present invention is grounded The unit can conduct heat energy to the outside through the circuit board, and enhance the effect of heat dissipation through the connection unit, thereby providing an electrical connector with high heat dissipation performance.

The utility model has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only used to describe the utility model, and should not be construed as limiting the scope of the utility model. It should be noted that all changes and replacements that are equivalent to this embodiment should be deemed to fall within the scope of the present utility model. Therefore, the protection scope of the present utility model should be determined by the contents defined in the claims.

Claims (8)

1. An electrical connector, characterized in that, for plugging on a circuit board, the electrical connector includes: case; a plurality of grounding units disposed in the housing; and A plurality of transmission units are arranged in the housing, and each transmission unit has a plurality of transmission components; Wherein, the grounding units conduct heat away from the electrical connector and dissipate heat through the circuit board. 2. The electrical connector according to claim 1, further comprising at least one connecting unit, each of the connecting units is connected to the grounding units for conducting the heat energy of the electrical connector to the circuit board for heat dissipation, and the transmission units are disposed between the ground units. 3. The electrical connector according to claim 2, wherein each grounding unit has a first carrier board and a grounding conductive part, and the grounding conductive part is arranged in the first carrier board and has a plurality of grounding connections Each of the transmission units has a second carrier board, and these transmission components are arranged in intervals on the second carrier board, and each of the connection units is connected to each of the ground connection parts. 4. The electrical connector as claimed in claim 3, wherein each of the first carrier boards has a plurality of first grooves, and each of the ground connection portions protrudes from each of the first grooves. 5. The electrical connector according to claim 4, wherein the housing has a plurality of heat dissipation openings, and each of the second carrier plates has a plurality of second grooves, the heat dissipation openings, the first recesses The slots correspond to the positions of these second grooves. 6. The electrical connector according to claim 5, wherein the connection unit has a fitting portion, a heat conduction portion and a through hole, and a plurality of fitting grooves are arranged on the fitting portion for connecting with the grounding portions. In combination, the heat conduction part is used to contact the circuit board to conduct the heat energy of the electrical connector to the circuit board, and the through hole runs through the connection unit. 7. The electrical connector according to claim 3, wherein two transmission units are connected in parallel between the grounding units, and the grounding conductive part of each grounding unit has a plurality of grounding terminals, and each transmission unit The transmission part of the unit has a plurality of transmission terminals, and the ground terminals of the adjacent ground units and the transmission terminals of the transmission units are arranged in an offset arrangement. 8 . The electrical connector according to claim 3 , wherein a heat-conducting material is disposed between each connecting unit and the surface of the circuit board.

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