KR102311608B1 - Small connector for transmitting super high frequency signal - Google Patents

Abstract

The present invention relates to a miniature connector for transmitting a very high frequency signal, wherein the small connector for transmitting an ultrahigh frequency signal is a small connector for transmitting a very high frequency signal that connects a single or a plurality of very high frequency signal lines for transmitting an ultrahigh frequency signal and a printed circuit board (PCB). a male connector connected to a single or a plurality of very high frequency signal lines, the male connector having a male connector housing for accommodating the single or a plurality of very high frequency signal line terminals and for fixing and protecting the very high frequency signal line terminals; and a connector socket installed on a printed circuit board (PCB) to receive the male connector housing and fastened to the male connector, wherein the ultra-high frequency signal line terminals of the male connector are formed on the printed circuit board, It is characterized in that it is connected in direct contact with the signal line terminal pads.
According to the present invention, since the signal line (terminal) of the male connector is in direct contact with the printed circuit board, it is possible to reduce the signal loss by minimizing leakage current and noise, and to achieve miniaturization by minimizing the fastening height. In addition, it is possible to reduce the manufacturing cost by simplifying the connector socket by eliminating the receiving member for accommodating the terminal or pin of the male connector in the connector socket.

Description

{Small connector for transmitting super high frequency signal}

The present invention relates to a connector for ultra-high frequency signals, and in particular, a small connector for ultra-high frequency signal transmission in which a male signal line of a connector connecting a single or a plurality of ultra-high frequency signal lines to a printed circuit board (PCB) is directly connected to a signal line of a printed circuit board is about

1 is a cross-sectional view of a conventional PCB single or multi-connector. The conventional PCB single or multi-connector has a male connector 110 in which the terminal of an electrical signal line 114 for transmitting electrical signals such as a cable, a wire, etc. is covered by a male connector housing 112 . ) is inserted into and connected to a female connector (or socket, 150) mounted on the PCB 160 . At this time, the female connector housing 152 of the female connector 150 is provided with a receiving member 154 in which the terminals or pins of the male connector are accommodated.

A leakage current is generated through the accommodating member 154, resulting in signal loss, and there is a limit to the miniaturization of the connector. A leakage current and noise are generated through the accommodating member 154, which causes signal loss, and there is a limit to the miniaturization of the connector.

The problem to be solved by the present invention was created to solve the problems and limitations of the conventional single or multi-connector, and only a housing socket accommodating only a male connector housing is installed on the PCB in the female connector. There is no terminal accommodating member for accommodating the terminal of the male connector, and the single or multiple ultra-high frequency signal line terminals of the male connector directly contact the terminal pad of the printed circuit board to minimize signal loss and significantly lower the height of the connector. It is to provide a miniature connector for transmitting ultra-high frequency signals that can be miniaturized.

The miniature connector for ultra-high frequency signal transmission according to the present invention for achieving the above technical problem is a small single connector and multi-connector for signal transmission that connects a single or a plurality of ultra-high frequency signal lines and a printed circuit board (PCB) for transmitting an ultra-high frequency signal. a male connector connected to a single or a plurality of very high frequency signal lines, the male connector having a male connector housing for accommodating the single or a plurality of very high frequency signal line terminals and for fixing and protecting the very high frequency signal line terminals; and a connector socket installed on the printed circuit board (PCB) to accommodate the male connector housing and fastened to the male connector, wherein the ultra-high frequency signal line terminals of the male connector are connected to the printed circuit board. The signal line terminal pads may be directly contacted and connected.

The male connector housing is a shielding can connected to a shielding layer for shielding electromagnetic waves generated through the single or a plurality of ultra-high frequency signal lines, and the connector socket accommodates the shielding can, and the shielding can and the ground of the printed circuit board may be electrically connected. The male connector further includes an adapter for bringing the ultra high frequency signal line into contact with the signal line terminal pad of the printed circuit board, one end connected to the ultra high frequency signal line and the other end connected to the circuit signal line terminal pad formed on the PCB; The ultra-high frequency signal line is connected to the circuit signal line terminal pad formed on the printed circuit board through the male connector adapter.

The shielding can has an adapter accommodating part in which a single or a plurality of adapters connected to correspond to the inner conductors of a single or a plurality of coaxial cables, respectively, are accommodated, and the adapter accommodating part accommodates the single or a plurality of adapters, but to be shielded for each adapter. It can be made in any shape that can. The shielding can includes an adapter accommodating part for accommodating a plurality of the adapters, the adapter accommodating part accommodating the plurality of adapters, and a shielding wall capable of being shielded for each adapter is formed, and the adapter includes a conductor part and the conductor It may be made of a dielectric part that separates the part and the shielding can, and the shielding can completely shields the rest of the adapter except for a part in contact with the signal line terminal pad formed on the printed circuit board. The connector socket may further include a fastening part fastened to the male connector, and may be integrally formed with the printed circuit board (PCB). The connector socket is a surface mount devices (SMD) method mounted on the surface of the PCB or a single in-line package (SIP), a dual in-line package (DIP), a quad in-line package (QIP) passing through the PCB. line package), etc., and can be mounted by complexly forming the surface mounting method and the penetration method of the PCB.

According to the single or multiple ultra-high frequency signal transmission miniature connector according to the present invention, the receiving member for accommodating the signal line terminal of the male connector is eliminated in the connector socket, and the signal line terminal of the male connector is directly connected to the signal terminal pad of the printed circuit board. By adding an adapter that facilitates contact or the signal line terminal of the male connector to the signal terminal pad of the PCB and accommodates the end of the inner conductor of the cable, it is possible to reduce the signal loss by minimizing the leakage current and noise, and the connection of the connector Minimization can be achieved by minimizing the height.

And when the signal line is a coaxial cable, the external conductor that is the shielding layer of the coaxial cable connected to the male connector and the shielding can that electromagnetically shield the inner conductor that is the signal line of the coaxial cable are connected, and the connector socket mounted on the PCB and connected to the ground Signal loss of the male connector signal terminal in direct contact with the PCB circuit signal terminal pad can be reduced by electrically connecting the shielding can of the male connector through accommodation.

In addition, the connector socket can be simplified by eliminating the accommodating member for accommodating the signal line terminal of the male connector, thereby reducing the manufacturing cost.

1 is a side cross-sectional view showing a conventional PCB multi-connector.
2 is an example of a miniature connector for transmitting ultra-high frequency signals according to the present invention, and shows a state before the male connector and the connector socket mounted on the PCB are fastened.
3 is an example of a miniature connector for transmitting ultra-high frequency signals according to the present invention, and shows a state after the male connector and the connector socket mounted on the PCB are fastened.
4 is a bottom perspective view of a male connector and a connector socket of a miniature connector for transmitting ultra-high frequency signals according to the present invention.
5 is an exploded perspective view of an example of a connector socket of a small connector for ultra-high frequency signal transmission according to the present invention.
6 shows an example of the elements constituting the male connector of the small connector for ultra-high frequency signal transmission according to the present invention.
7 shows an example of a plurality of coaxial cables that can be connected to the male connector of the small connector for ultra-high frequency signal transmission according to the present invention.
FIG. 8 is a cross-sectional view taken along line VII-VII of the male connector shown in FIG. 2 .
9 is a cross-sectional view taken along line VIII-VIII of the male connector shown in FIG. 2 .
10 shows a process of assembling the male connector of the PCB multi-connector according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The configuration shown in the embodiments and drawings described in this specification is only a preferred embodiment of the present invention, and does not represent all the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be variations and variations.

The miniature connector for ultra-high-frequency signal transmission according to the present invention is a PCB connector that connects a single or a plurality of ultra-high-frequency signal lines and a printed circuit board (PCB) for transmitting an ultra-high frequency signal, and includes a male connector and a connector socket. The male connector is connected to the single or plurality of very high frequency signal lines, and has a male connector housing for accommodating the single or plurality of very high frequency signal line terminals and for fixing and protecting the very high frequency signal line terminals. A connector socket is installed on the printed circuit board (PCB) and accommodates the male connector housing and is coupled to the male connector. In this case, the ultra-high frequency signal line terminals of the male connector may be connected in direct contact with the signal line terminal pads formed on the printed circuit board.

2 is an example of a miniature connector for ultra-high frequency signal transmission according to the present invention, and shows a state before the male connector 20 and the connector socket 225 mounted on the PCB 215 are fastened. 3 is an example of a PCB multi-connector according to the present invention, and shows a state after the male connector 20 and the connector socket 225 mounted on the PCB 215 are fastened. 2 and 3 , the housings 270 , 280 , 290 of the male connector connected to the cable 240 are inserted into the connector socket 225 mounted on the PCB 125 and fastened. At this time, the connection between the PCB and the cable 240 is in direct contact with the cable terminal formed on the bottom of the male connector and the circuit signal line terminal pad formed on the PCB 215 .

4 is a bottom perspective view of the male connector 20 and the connector socket 225 of the small connector for transmitting ultra-high frequency signals according to the present invention. 5 is an exploded perspective view of an example of a connector socket 225 mounted on a miniature connector for transmitting a very high frequency signal and a PCB 215 according to the present invention. 4 and 5 , the signal line terminal 255 of the cable is formed on the bottom of the male connector 20 . The connector socket 225 may include a fastening part 222 coupled to the male connector 20 , and SMD (surface mount devices) mounted on the surface of a printed circuit board (PCB, 215). ) method, or SIP (single in-line package), DIP (dual in-line package), QIP (quad in-line package), etc. can be installed. Also, the connector socket 225 may be formed integrally with the PCB instead of as a separate component.

When the housings 270 , 280 , 290 of the male connector 20 are inserted into the connector socket 225 mounted on the PCB 125 and fastened, the cable signal line terminal 255 is accommodated in which the cable signal line terminal 255 is accommodated. It is in direct contact with the terminal pad 214 of the circuit signal line formed on the PCB 215 without passing through the member. As shown in FIG. 4, the connector socket 225 mounted on the PCB 125 does not have a receiving member for receiving the cable signal line terminal 260, thereby simplifying the connector socket, and also heightening the coupling height with the male connector. It can be miniaturized by minimizing The miniature connector for transmitting ultra-high frequency signals according to the present invention can connect electrical signals including RF signals and power sources with signals or power sources of a PCB, table PCs, laptop PCs, 5G smartphones, home appliances (TVs, refrigerators, washing machines, etc.) It can be applied to various electronic devices that require miniaturization, such as home appliances of

On the other hand, examples of a single or a plurality of ultra-high-frequency signal lines that are connected through a small connector for ultra-high frequency signal transmission according to the present invention and transmit ultra-high frequency signals include coaxial cables, wires, FFC (Flexible Flat Cable), FPC (Flexible Printed). Circuit), S-teflon, etc., and the present invention is not limited to the above example, and all signal lines for transmitting electrical signals may be included. 6 shows a coaxial cable 30 as an example of an electrical signal line that can be connected to the male connector 20 of the small connector for ultra-high frequency signal transmission according to the present invention. Referring to FIG. 6 , the coaxial cable 30 shields the electromagnetic waves of the inner conductor 210 and the inner conductor 210 used as signal lines, and the outer conductor 230 and inner conductor made of aluminum, copper, etc. It consists of a dielectric 220 that insulates and separates the 210 from the external conductor 230, and a shell (jacket) that protects the external conductor 230. The inner conductor can be used from DC to microwave and millimeter wave, and can also transmit ultra-high frequency signals of about 50 GHz or higher.

7 shows an example of the elements constituting the male connector 20 of the small connector for ultra high frequency signal transmission according to the present invention, the male connector 20 of the small connector for ultra high frequency signal transmission according to the present invention Includes a coaxial cable 30, shielding cans (270, 280, 290), and may further include an adapter unit (40). The coaxial cable 30 has a sheath 240, an outer conductor 230, and a dielectric 220 partially stripped. The outer conductor 130 of the coaxial cable 30 may be connected to the shielding cans 270 , 280 , and 290 . The shielding cans 270 , 280 , 290 receive, protect, and fix the coaxial cable 30 , and shield electromagnetic waves generated from the inner conductor 210 of the coaxial cable. The shielding can (270, 280, 290) may be configured by combining each of the lower shielding member 270, the upper shielding member 280, and the front shielding unit 290, but the lower shielding member 270, the upper shielding member ( 280) and at least two of the front shielding member 290 are integrally formed, or the lower shielding member 270, the upper shielding member 280, and the front shielding unit 290 may be integrally formed of a single shielding member.

The adapter unit 40 includes a plurality of adapters, and the adapter 42 facilitates the connection of the inner conductor 210 of the coaxial cable 30 with the circuit signal line terminal pad 214 formed on the PCB 215 while facilitating the connection. The shielding can (270, 280, 290) is made of a shape that can be easily shielded, and consists of a conductor part (250) and a dielectric part (260). One end of the conductor unit 250 is connected to the signal line terminal pad 214 of the PCB 215 , and the other end is connected to the signal line 210 , which is an internal conductor of the coaxial cable 30 , is received and connected. When the internal conductor that is the signal line of the cable is received and connected to the adapter 42 , the end of the conductor 250 becomes the cable signal line terminal 255 of FIG. 4 and comes into contact with the signal line terminal pad 214 of the PCB 215 . become connected

The dielectric part 260 serves to separate the conductive part 250 and the shielding cans 270 , 280 , and 290 when the conductive part 250 is accommodated in the shielding can.

The inside of the shielding can (270, 280, 290) is provided with an adapter accommodating part 272 having a cylindrical shape in which an adapter 42 connected to the inner conductor 210 of a single or a plurality of coaxial cables can be accommodated. In the adapter receiving part 272, when the adapter 42 is accommodated and the lower shielding can 270, the upper shielding can 280, and the front shielding can 290 are combined, each adapter is separated from each other and shielded by a shielding wall ( wall) is formed.

8 is a cross-sectional view taken along line VII-VII of the male connector according to the present invention shown in FIG. 2 , and FIG. 9 is a cross-sectional view taken along line VII-VII of the male connector shown in FIG. 2 . 8 and 9, the coaxial cables (210, 220, 230 240) and the adapters (250, 260) are accommodated, protected and shielded by the shielding cans (270, 280, 290), the male connector (20) is inserted and fastened to the connector socket 225 mounted on the PCB 215 . In particular, FIG. 9 shows that when the lower shielding can 270, the upper shielding can 280, and the front shielding can 290 are combined, each adapter is separated from each other and a shielding shielding wall 275 is formed. 10 shows a process of assembling a male connector of a miniature multi-connector for transmitting a very high frequency signal according to the present invention. Referring to FIG. 10 , after stripping the unstriped coaxial cable 60 , the stripped coaxial cable 30 is connected to the adapter unit 40 , and the coaxial cable 50 connected to the adapter unit 40 is lowered. It sits on the shielding can 270 and combines the upper shielding can 280 and the front shielding can 290 .

On the other hand, the small connector for ultra-high frequency signal transmission according to the present invention can maximize the electromagnetic wave shielding of the signal line when the coaxial cable is used as the signal line. Specifically, the shielding cans 270 , 280 , 290 of the male connector 20 are connected to the external conductor 230 of the coaxial cable 30 . The connector socket 215 made of a conductor is connected to the ground of the PCB 215 . When the male connector 20 is inserted into the connector socket 225 mounted on the PCB 215 and fastened, the shielding cans 270, 280, 290 is connected by contact with the connector socket 225 connected to the ground of the PCB 215 , thereby maximizing the shielding of the signal line terminal of the male connector in direct contact with the terminal pad 214 of the PCB 215 .

Although the present invention has been described with reference to the embodiment shown in the drawings, which is merely exemplary, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

110: male connector 112: male connector housing
114: electrical signal line 150: female connector
152: female connector housing 154: terminal (pin) receiving member
20: male connector 210: inner conductor (signal line)
214: PCB terminal pad 215: printed circuit board (PCB)
220: dielectric 222: fastening part
225: connector socket 230: external conductor (shielding)
240: outer shell (jacket) 250: adapter conductor part
255: signal line terminal of the cable 260: adapter dielectric part
270: lower shielding can 272: adapter receiving part
280: upper shielding can 290: front shielding can
30: coaxial cable 40: adapter part
42: adapter 50: coaxial cable connected to the adapter
60: unstriped coaxial cable

Claims (9)

In the miniature connector for ultra-high-frequency signal transmission that connects a plurality of ultra-high-frequency signal lines and a printed circuit board (PCB) for transmitting ultra-high-frequency signals,
a male connector connected to the plurality of very high frequency signal lines and having a male connector housing for accommodating the plurality of very high frequency signal line terminals and fixing and protecting the very high frequency signal line terminals; and
and a connector socket installed on the printed circuit board (PCB) to receive the male connector housing and fastened to the male connector;
The male connector further includes an adapter having one end connected to the very high frequency signal line and the other end connected to a signal line terminal pad formed on the printed circuit board, and the ultra high frequency signal line is connected to the printed circuit board through the adapter of the male connector. It is connected to the signal line terminal pad formed on the
The male connector housing is a shielding can for shielding electromagnetic waves generated through the plurality of very high frequency signal lines,
the connector socket accommodates the shielding can of the male connector, and is electrically connected to the shielding can and the ground of the printed circuit board;
The shielding can includes an adapter accommodating part in which a plurality of the adapters are accommodated, and the adapter accommodating part accommodates the plurality of adapters, and a shielding wall capable of being shielded for each adapter is formed,
The adapter consists of a conductive part and a dielectric part that separates the conductive part from the shielding can,
The shielding can is a small connector for ultra-high frequency signal transmission, characterized in that the entirety of the adapter except for the portion in contact with the signal line terminal pad formed on the printed circuit board is shielded. delete delete delete The method of claim 1, wherein the connector socket is
A miniature connector for transmitting ultra-high frequency signals, characterized in that it further comprises a fastening part fastened to the male connector. The method of claim 1, wherein the connector socket is
SMD (surface mount devices) method mounted on the surface of the printed circuit board (PCB) or SIP (single in-line package), DIP (dual in-line package), QIP (quad in) -line package), etc., and a small connector for ultra-high frequency signal transmission, characterized in that it is mounted by complexly forming a surface mount method and a penetrating method. The method of claim 1, wherein the connector socket is
A miniature connector for transmitting an ultra-high frequency signal, characterized in that it is integrally formed with the printed circuit board (PCB). The method of claim 1, wherein the very high frequency signal line is
Coaxial cable, wire (wire), FFC (Flexible Flat Cable), FPC (Flexible Printed Circuit) a small connector for ultra-high frequency signal transmission, characterized in that any one. The method of claim 8, wherein the very high frequency signal line
A small connector for ultra-high frequency signal transmission, characterized in that a plurality of coaxial cables, wires, FFC (Flexible Flat Cable), and FPC (Flexible Printed Circuit) are compositely formed.

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