TWM561945U - RF board-end connector - Google Patents

Abstract

An RF board end connector disposed on a circuit board, the RF board end connector including a center terminal and a shield terminal. The center terminal can be projected and soldered to the first area on the board. The shielding terminal can provide electrical shielding to the central terminal, and the shielding terminal can be projected and soldered to the second area on the circuit board, wherein the first area is located inside the second area, so that the shielding terminal can surround the central terminal In order to provide effective electrical shielding to the center terminal, it can be used for high frequency signal transmission.

Description

RF board connector

This creation is related to an RF board end connector, and more specifically, an RF board end connector that shields the terminal to effectively electrically shield the center terminal.

According to the RF jumper, it is often installed in electronic equipment as a telecommunication transmission channel between the antenna circuit board and the wireless module circuit board. In recent years, it has been widely used in computers and peripheral devices, communication products, and consumer electronic products. Used to transmit electrical signals. Therefore, referring to FIG. 1 to FIG. 2, the RF board end connector 3 conventionally used with the RF jumper 5 is also widely used.

However, the current structural design of the RF board end connector often faces the poor shielding effect of the shield terminal on the center terminal, so that the signal transmission of the center terminal of the RF board end connector is often interfered by electromagnetic coupling, and cannot meet the requirements in recent years. High-frequency signal transmission requirements. For this reason, referring to FIG. 3 to FIG. 7 , the center terminal 31 of the RF board end connector 3 is disposed on the circuit board 4 and extends outside the shield terminal 32. As shown in FIG. 3, the center terminal 31 is disposed on the circuit board. The position 41 of 4 is located outside the position 42 where the shield terminal 32 is disposed on the circuit board 4, and thus, the shield terminal 32 cannot effectively provide electrical shielding to the center terminal 31.

Therefore, how to improve the above-mentioned defects and improve the electrical shielding effect of the shield terminal on the center terminal, so that the RF board end connector can be used for high-frequency signal transmission, which is a problem to be solved by those skilled in the art, therefore, This creation is to improve the structure of the RF board connector to solve the problems of the current RF board connector.

In view of the above-mentioned shortcomings of the prior art, the present invention provides an RF board end connector for being disposed on a circuit board, the RF board end connector comprising: a center terminal and a shield terminal. The center terminal has a center terminal SMT pin, and the center terminal SMT pin can be projected on the first area of the circuit board, and the first area of the circuit board can be soldered. The shielding terminal has a shielding terminal body, and the shielding terminal extends around the central terminal to provide electrical shielding to the central terminal. The shielding terminal system can be projected on the second area of the circuit board, and the second circuit board can be soldered. region. The first zone is located inside the second zone.

Optionally, for the foregoing RF board end connector, wherein the shield terminal further has three shield terminal SMT pins, and the three shield terminal SMT pins respectively extend from the shield terminal body toward the direction away from the center terminal, respectively. The shield terminal SMT pins extend in different directions from each other.

Alternatively, for the aforementioned RF board end connector, wherein the adjacent two of the three shield terminal SMT pins are separated by ninety degrees.

Alternatively, for the aforementioned RF board end connector, wherein the second area is a substantially closed annular area.

Compared to the prior art, the RF board end connector of the present invention has a center terminal and a shield terminal. Wherein, when the RF board end connector is disposed on the circuit board, the shield terminal of the RF board end connector can surround the center terminal SMT pin, thereby providing effective electrical shielding to the center terminal, so the created RF board end connection The device can be used for high-frequency signal transmission, even with RF jumpers made of very thin coaxial cables.

The following content will be described in conjunction with the drawings, and the technical contents of the present invention will be described by a specific embodiment. Those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. This creation can also be implemented or applied by other different embodiments. The details of the present specification can also be modified and changed without departing from the spirit of the present invention. In particular, the proportional relationship and relative position of the various elements in the drawings are for exemplary purposes only and are not representative of actual implementation of the present invention.

This creation is designed to improve the structure of the RF board end connector used with the RF jumper connector of the RF jumper to improve the electrical shielding effect of the shield terminal on the center terminal, so that the RF board end connector can be used. High-frequency signal transmission can even be used with RF jumpers made of very thin coaxial cables.

For the disclosure of the features of the present invention, please refer to the description of the embodiment of FIGS. 8 to 14.

In the embodiment of the present invention, as shown in FIGS. 8 to 14, the RF board end connector 1 is used for being disposed on the circuit board 2 for transmitting a high frequency signal. The RF board end connector 1 includes a center terminal 11, a shield terminal 12, and an insulator 13. The insulator 13 is used to fix the center terminal 11 and the shield terminal 12. The center terminal 11 has a center terminal body 111 and a center terminal SMT pin 112. The center terminal SMT pin 112 extends downward from the center terminal body 111 and can be projected onto the first area 21 on the circuit board 2, so the center terminal The SMT pin 112 can be soldered to the first region 21 of the circuit board 2. As shown in FIG. 12, the center terminal body 111 and the center terminal SMT pin 112 constitute a columnar body.

The shield terminal 12 has a shield terminal body 121 and a plurality of shield terminal SMT pins 122 extending around the center terminal 11 to surround the center terminal 11 to provide electrical shielding to the center terminal 11. The shield terminal body 121 is projected onto the second region 22 on the circuit board 2, and the shield terminal SMT pin 122 can solder around the second region 22 of the circuit board 2. As shown in FIG. 10, the second region 22 is a substantially closed annular region, and the first region 21 is located inside the second region 22. Therefore, the shield terminal 12 can surround the center terminal SMT pin 111, and can be effective. Electrical shielding is provided to the center terminal 11. In addition, as shown in FIG. 13 , the three shield terminal SMT pins 122 respectively extend from the shield terminal body 121 in a direction away from the center terminal 11 and can extend in different directions from each other to ensure stable soldering to the circuit board 2 . Alternatively, the angle θ between adjacent ones of the shield terminals SMT pins 122 is ninety degrees.

In summary, the RF board end connector of the present invention is disposed on the circuit board and includes at least a center terminal and a shield terminal. Wherein, the shielding terminal can surround the center terminal SMT pin, that is, the center terminal is soldered to the circuit board in the surrounding area of the shielding terminal, and therefore, the shielding terminal can provide effective electrical shielding to the center terminal, so the RF board of the present invention The end connector can be used for high frequency signal transmission, even with RF jumpers made of very thin coaxial cables.

The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation should be as listed in the scope of patent application for this creation.

1‧‧‧RF board connector
11‧‧‧Center terminal
111‧‧‧Center terminal body
112‧‧‧Center terminal SMT pin
12‧‧‧Shielding terminal
121‧‧‧Shield terminal body
122‧‧‧Shield terminal SMT pin
13‧‧‧Insulator
2‧‧‧ boards
21‧‧‧First area
22‧‧‧Second area
3‧‧‧RF board connector
31‧‧‧Center terminal
32‧‧‧Shielding terminal
4‧‧‧ boards
5‧‧‧RF jumper

FIG. 1 is a schematic diagram of a conventional RF jumper paired with an RF board end connector disposed on a circuit board.

Figure 2 is an exploded view of a conventional RF jumper and RF board end connector disposed on a circuit board.

Figure 3 is a top plan view of the circuit board shown in Figure 2.

Figure 4 is a schematic view of the RF board end connector shown in Figure 2 omitting the insulator therein.

Fig. 5 is an exploded view of the center terminal and the shield terminal shown in Fig. 4.

Fig. 6 is a plan view showing the center terminal and the shield terminal shown in Fig. 4.

Figure 7 is a cross-sectional view of the center terminal and the shield terminal taken along line AA of Figure 6.

Figure 8 is a schematic illustration of an embodiment of an RF board end connector disposed on a circuit board of the present invention.

Figure 9, is an exploded view of the RF board end connector and circuit board shown in Figure 8.

Figure 10 is a top plan view of the circuit board shown in Figure 9.

Figure 11 is a schematic view of the RF board end connector shown in Figure 9 omitting the insulator therein.

Figure 12 is an exploded view of the center terminal and the shield terminal shown in Figure 11.

Figure 13 is a plan view showing the center terminal and the shield terminal shown in Figure 12.

Figure 14 is a cross-sectional view of the center terminal and the shield terminal taken along line BB of Figure 13.

Claims (1)

An RF board end connector is disposed on a circuit board, the RF board end connector includes: a center terminal having a center terminal SMT pin, the center terminal SMT pin system can be projected a first region on the circuit board to solder the first region of the circuit board; and a shield terminal having a shield terminal body extending around the center terminal Providing an electrical shield to the center terminal, the shield terminal system can be projected on a second area of the circuit board, and the second area of the circuit board can be soldered; wherein the first area is located in the first area The interior of the second area.