TWM499667U - Mini-plug electrical connector, miniature socket connector, and electrical connector assembly - Google Patents

Description

Miniature plug electrical connector, micro receptacle electrical connector and electrical connector combination

The present invention relates to an electrical connector, and more particularly to a miniature plug electrical connector, a micro receptacle electrical connector and an electrical connector combination.

Generally, the structure of the existing RF coaxial cable includes a copper conductor, an insulating layer, a braid layer and an outer layer, which are used as a high frequency transmission interface. However, the processing of the RF coaxial cable is complicated and the cost is gradually increased.

Today, the connection interface between the internal and external data transmission of the mobile phone is an I∕O connector. The transmission of high frequency signals uses RF (Radio Frequency) signals. However, today's I∕O connectors do not simultaneously transmit RF signals or other digital signals.

There is also a micro plug electrical connector, which is a type of USB micro B (Micro-B) electrical connector, with a USB 3.0 connection interface and a USB 2.0 connection interface. Moreover, the outer casing of the micro plug electrical connector has a double plug-in frame port, which can be inserted into the casing of the micro-socket electrical connector, and can respectively transmit signals of USB3.0 and USB2.0. However, there is no connection between the double plug-in frame ports of the outer casing of the micro plug electrical connector, that is, the top wall surface and the bottom wall surface between the double plug-in frame ports are not connected. When plugged into the micro plug electrical connector and the micro receptacle electrical connector, the top wall surface and the bottom wall surface between the double plugged frame ports are not connected together, resulting in the USB3.0 terminal and the USB2.0 terminal transmitting USB3. 0 and USB2.0 signals cause electromagnetic interference (EMI) problems. Therefore, how to solve the problem of the conventional structure is the problem that the relevant industry must consider.

In view of the above problems, the present invention provides a miniature plug electrical connector including a shielded outer casing, an insulative housing, a first plug terminal set and a second plug terminal set. The shielding shell comprises a top side wall and a bottom side wall, and the bottom side wall side by side defines a first frame and a second frame, and the bottom side wall comprises a protrusion between the first frame and the second frame. The insulative housing comprises a base, a first plate body and a second plate body. The first plate body and the second plate body extend on one side of the base, the first plate body is located at the first frame mouth, and the second plate body is located at the first frame body In the two-frame port, the first board body includes a first slot, and the second board body includes a second slot. The first plug terminal group is located at the base, and the first plug terminal group includes at least one antenna terminal and at least one first ground terminal extending from the first plate body. The second plug terminal group is located at the base, and the second plug terminal group includes a plurality of signal terminals and a second ground terminal extending from the second plate body.

The present invention also provides a miniature socket electrical connector including a shield housing, an insulating base, a first socket terminal set and a second socket terminal set. The shield housing includes a receiving groove covering the shielded outer casing. The insulating seat body is located in the accommodating groove, the insulating seat body comprises a main body, a first tongue plate and a second tongue plate, and the first tongue plate and the second tongue plate extend on one side of the main body, the first tongue plate and the second tongue plate A spacing is formed therebetween, the first tongue is inserted into the first slot, the second tongue is inserted into the second slot, and the protrusion is located at a pitch. The first socket terminal group is located at the main body, and the plurality of first socket terminal groups include a plurality of first contact ends located at the first tongue plate, and the plurality of first contact ends are connected to the at least one antenna terminal and the at least one first ground terminal. The second socket terminal group is located at the main body, the second plug terminal group includes a plurality of second contact ends extending from the second tongue plate, and the plurality of second contact terminals are connected to the plurality of signal terminals and the second ground terminal.

The present invention also provides a micro-socket electrical connector comprising a micro-plug electrical connector as described above, and a micro-socket electrical connector as described above for mating with a micro-plug electrical connector.

In summary, the first slot and the second slot of the micro plug electrical connector have respectively transmit RF (Radio Frequency, RF) signals and digital signals, USB 3.0 or The first plug terminal set and the second plug terminal set of the USB 2.0. And, the second plug terminal group of the micro plug electrical connector forms a single row or a double row to interface with the second socket terminal group of the micro receptacle electrical connector. In addition, the shielding shell of the micro plug electrical connector is connected to the top side wall and the protrusion by the connecting portion, preventing the top side wall or the bottom side wall from being deformed and damaged by external force pushing, and absorbing and grounding the first plug terminal group by using the connecting portion And the electromagnetic wave emitted by the second plug terminal group in the transmission signal prevents the first plug terminal group and the second plug terminal group from mutually generating electromagnetic interference (EMI) when transmitting signals.

The detailed features and advantages of the present invention are described in detail below in the embodiments, which are sufficient to enable any skilled artisan to understand the technical contents of the present invention and implement it according to the contents, the scope of the patent application and the drawings. Anyone familiar with the relevant art can easily understand the purpose and advantages of this creation.

1 , 2, 3, and 4 are the first embodiment of the electrical connector assembly 100 of the present invention. FIG. 1 is a schematic view of the appearance, FIG. 2 is an exploded view, and FIG. 3 is an exploded view. Schematic diagram of the section decomposition, Figure 4 is a schematic diagram of the section combination. The present electrical connector assembly 100 includes a miniature plug electrical connector 200 and a miniature receptacle electrical connector 300.

Referring again to FIG. 5, a first embodiment of the miniature plug electrical connector 200 of the present invention is shown. The micro plug electrical connector 200 is an electrical connector that can be used to transmit RF (Radio Frequency, Radio Frequency) and I/O (Input/Output) signals. The I/O signal is used to transmit digital (digital) signals. USB3.0, USB2.0 and other signals. The micro plug electrical connector 200 of the present invention comprises a shielding shell 11 , an insulative housing 12 , a first plug terminal set 14 and a second plug terminal set 15 , and the wire 16 is connected to the first plug terminal set 14 and the second plug terminal set 15 . rear end.

Referring to FIGS. 5 and 6 again, the shield case 11 is a hollow case. The shield case 11 includes a top side wall 111 and a bottom side wall 112. The bottom side wall 112 is juxtaposed at the bottom of the top side wall 111, and the top side wall 111 and the bottom side wall are provided. A first frame 114 and a second frame 115 are formed between 112. Here, the shielding case 11 can form a separate member, and the insulating body 12 is assembled in an assembled manner, but not limited thereto. In some embodiments, the shielded outer casing 11 can also be combined with the insulative body 12 as a one-piece component. In addition, the bottom sidewall 112 includes a protrusion 1121 between the first frame 114 and the second frame 115, and the protrusion 1121 is recessed toward the top sidewall 111. The protrusion 1121 forms a space with the inner wall surface of the top side wall 111.

Referring to FIG. 5 and FIG. 6 again, the insulative housing 12 mainly includes a base 121, a first plate body 122 and a second plate body 123. Here, the first plug terminal group is assembled by providing a terminal slot. 14 and the second plug terminal group 15, but not limited thereto. In some embodiments, the insulative housing 12 can also be formed in an insert-molding manner with the base 121, the first plate 122 and the second plate 123 while simultaneously bonding the first plug terminal set 14 and the second plug. Terminal group 15. In this embodiment, the first board body 122 and the second board body 123 extend on one side of the base 121, and the first board body 122 is received in the first frame port 114, and the second board body 123 is accommodated in the first frame. Two frame port 115. Also. In addition, the first plate 122 includes a first slot 1221 and the second plate 123 includes a second slot 1231.

Referring to FIG. 5 and FIG. 6 , the first plug terminal group 14 is in accordance with the transmission standard of the RF (Radio Frequency) signal, and the first plug terminal group 14 is located at the base 121 . The first plug terminal set 14 includes at least one antenna terminal 141 and at least one first ground terminal 142 extending from the first plate body 122.

Referring to FIG. 5 and FIG. 6 again, in the embodiment, the first plug terminal group 14 includes five terminals, which are not limited thereto, and may be set as needed, for example, an antenna terminal 141 and a first The number of two terminals of the ground terminal 142, and the like. Here, the first plug terminal group 14 includes a pair of antenna terminals 141 and three first ground terminals 142, and the three first ground terminals 142 are staggered with the pair of antenna terminals 141. In some implementations, the first first ground terminal 142 and the fifth first ground terminal 142 may be further omitted, and only one pair of antenna terminals 141 and one first ground terminal 142 therebetween may be used to This forms a dual antenna architecture for use. In addition, it can also be used in a single antenna architecture, that is, in one antenna terminal 141 and one first ground terminal 12.

Please refer to FIG. 5 and FIG. 6 again. The second plug terminal group 15 is in accordance with the transmission specifications of digital (digital), USB 3.0 or USB 2.0, and the second plug terminal group 15 is located at the base 121 and the second plug terminal. The group 15 includes a plurality of signal terminals 151 and a second ground terminal 152 extending from the second plate body 123. Here, the complex signal terminal 151 and the second ground terminal 12 are located in the second slot 1231 and arrayed in the same row.

Referring to FIG. 5 and FIG. 6 again, in the embodiment, the second plug terminal group 15 includes 35 terminals, not limited thereto, for example, 30, 40, and the like. Here, the second plug terminal group 15 includes a set of USB 2.0 terminals, a set of USB 3.0 terminals or a plurality of reserved terminals (RFU) separated by a plurality of second ground terminals 152 (Gnd), and is on the leftmost side and the most The first power terminal 153 (Power/VBUS) is provided on the right side. However, the USB2.0 terminal and the USB3.0 terminal are only examples, and the sound source terminal, the image terminal, and the like can be further set as needed. The USB 2.0 terminal includes a second ground terminal 152 (Gnd), a pair of differential signal terminals 151 (D+-), and a power terminal 153 (Power/VBUS). The USB3.0 terminal includes a second ground terminal 152 (Gnd), two pairs of differential signal terminals 151 (StdB_SSTX+-, StdB_SSRX+-), and a first power terminal 153 (Power/VBUS), and two pairs of differential signal terminals 151 (StdB_SSTX+- A second ground terminal 152 (Gnd) is provided between StdB_SSRX+-). Referring to FIG. 5 again, the width of the first left and rightmost power terminals 153 (Power/VBUS) is larger than the width of the complex signal terminals 151, so that an electronic product that needs to transmit a large current can be used.

Referring to FIG. 5 and FIG. 6 again, in the embodiment, the shielding shell 11 further includes a connecting portion 116 connected to the top sidewall 111 and the protrusion 1121. Moreover, the connecting portion 116 is formed by laser welding with the top side wall 111, that is, the protrusion 1121 of the bottom side wall 112 is connected by the processing of the outer wall surface of the top side wall 111 by electro-radiation welding, so that the top of the protrusion 1121 is made. A connecting portion 116 is formed between the face and the inner side wall surface of the top side wall 111. In other words, the connecting portion 116 blocks the first frame opening 114 and the second frame opening 115, so that the first frame opening 114 and the second frame opening 115 are not in communication, thereby improving the structural strength and improving the effect of preventing electromagnetic interference.

Referring to FIG. 5 and FIG. 6 again, in the embodiment, the top sidewall 111 further includes a plurality of recesses 1111 adjacent to the protrusions 1121. The plurality of recesses 1111 extend downward to be closer to the protrusions 1121. Further, the outer wall surface of the top side wall 111 is aligned with the plurality of recesses 1111 for processing and electric welding, and a plurality of connecting portions 116 are formed between the top surface of the protrusion 1121 and the inner side wall surface of the top side wall 111. Here, the plurality of connecting portions 116 form a structure that blocks the space between the first frame port 114 and the second frame port 115, and the plurality of connecting portions 116 form a communication passage therebetween, and may also have structural strength and electromagnetic interference prevention. Effect.

Referring again to FIGS. 9 and 10, a second embodiment of the miniature electrical connector assembly 100 of the present invention, the second embodiment of the miniature electrical connector assembly 100 including the micro-plug electrical connector 200 is electrically coupled to the micro-socket. A second embodiment of the device 300. The maximum difference between the present embodiment and the first embodiment is that the plurality of signal terminals 151 and the second ground terminal 152 of the second plug terminal group 15 of the micro plug electrical connector 200 of the present embodiment are located in the second slot 1231. row. In this embodiment, the antenna terminal 141 of the first plug terminal group 14 further includes a flat-plate elastic contact portion 1411 exposed to the first slot 1221. In addition, the first ground terminal 142 of the first plug terminal group 14 further includes a blanking type elastic contact portion 1421 exposed to the second slot 1231. Here, the elastic effect of the flat elastic contact portion 1411 is better than that of the blank elastic contact portion 1421.

Referring again to FIGS. 7 and 8, a first embodiment of the micro-socket electrical connector 300 of the present invention is coupled to the first embodiment of the micro-plug electrical connector 200. The micro-socket electrical connector 300 is an electrical connector that can be used to transmit RF (Radio Frequency, Radio Frequency) and I/O (Input/Output) signals. The I/O signal is used to transmit digital (digital) signals. USB3.0, USB2.0 and other signals. The micro receptacle electrical connector 200 of the present invention comprises a shield housing 21, an insulating base 22, a first socket terminal set 23 and a second socket terminal set 24.

Referring to FIGS. 7 and 8 again, the shield case 21 is a hollow case and includes a receiving groove 211 covering the shield case 11. The shield housing 21 is formed with a plug-in frame and communicates with the receiving slot 211, not limited thereto. In some embodiments, the shield housing 21 can also form a double-inserted frame, like the design of the first frame 114 and the second frame 115 of the first embodiment of the micro-plug electrical connector 200 (eg, Figure 5).

Referring to FIG. 7 and FIG. 8 again, the insulating base 22 is located in the accommodating groove, and the insulating base 22 mainly comprises a main body 221, a first tongue 222 and a second tongue 223, and is formed by injection molding (insert- The main body 221, the first tongue plate 222, and the second tongue plate 223 are formed in combination with the first socket terminal group 23 and the second socket terminal group 24, but are not limited thereto. In some embodiments, the insulating base 22 can also be formed with terminal slots to provide an assembled manner in combination with the first receptacle terminal set 23 and the second receptacle terminal set 24. In this embodiment, the first tongue plate 222 and the second tongue plate 223 extend on one side of the main body 221, and the first tongue plate 222 and the second tongue plate 223 are received in the receiving groove 211, and the first tongue plate 222 The second tongue plate 223 is disposed in the same row, and the first tongue plate 222 and the second tongue plate 223 are formed with a spacing 224. The first tongue plate 222 is inserted into the first slot 1221, and the second tongue plate 223 is inserted into the first slot 223. Two slots 1231, the protrusions 1121 are located at a spacing 224.

Referring to FIG. 7 and FIG. 8 again, the first socket terminal group 23 is in accordance with the transmission standard of the RF (Radio Frequency) signal, and the first socket terminal group 23 is located in the main body 221. The first socket terminal group 23 includes a plurality of first contact terminals 231 , and the first contact terminals 231 are located at the first tongue plate 222 , and the first contact terminal 231 is connected to the at least one antenna terminal 141 and the at least one first ground terminal 142 .

Referring to FIG. 7 and FIG. 8 again, in the embodiment, the first socket terminal group 23 includes five terminals, which are not limited thereto, and may be set as needed, for example, two terminals or more to match the connection. The number of one antenna terminal 141 and one first ground terminal 142 of the first plug terminal group 14 and the like.

Please refer to FIG. 7 and FIG. 8 again. The second socket terminal group 24 is in accordance with the transmission specifications of digital (digital), USB 3.0 or USB 2.0, and the second socket terminal group 24 is located in the main body 221 and the second socket terminal group. 24 includes a plurality of second contact ends 241 extending in the second tongue 223. Here, the plurality of second contact ends 241 are located on one side of the second tongue plate 223 and arrayed in the same row, and the plurality of second contact ends 241 are connected to the plurality of signal terminals 151 and the second ground terminal 152.

Referring to FIG. 7 and FIG. 8 again, in the embodiment, the second socket terminal group 24 includes 35 terminals, not limited thereto, for example, 30, 40, and the like. Here, the second socket terminal group 24 includes a set of USB 2.0 terminals, a set of USB 3.0 terminals or a plurality of reserved terminals (RFU), which are separated by a plurality of ground terminals (Gnd), and are disposed on the leftmost side and the rightmost side. The second power terminal 242 (Power/VBUS), however, the USB 2.0 terminal and the USB 3.0 terminal are only examples, and the sound source terminal, the image terminal, and the like can be further set as needed. The USB 2.0 terminal includes a ground terminal (Gnd), a pair of differential signal terminals (D+-), and a second power terminal 242 (Power/VBUS). The USB3.0 terminal includes a ground terminal (Gnd), two pairs of differential signal terminals (StdB_SSTX+-, StdB_SSRX+-) and a second power terminal 242 (Power/VBUS), and two pairs of differential signal terminals (StdB_SSTX+-, StdB_SSRX+-) Set the ground terminal (Gnd). In addition, referring to FIG. 5 again, the second socket terminal group 24 further includes a second power terminal 242 (Power/VBUS) located at the leftmost and rightmost sides of the entire second socket terminal group 24, and the second power terminal 242 (Power) The width of /VBUS) is larger than the width of the plurality of second contact terminals 241, so that an electronic product that needs to be used for transmitting a large current can be used.

Referring to FIG. 2, FIG. 3 and FIG. 4 again, when the micro plug electrical connector 200 and the micro receptacle electrical connector 300 are plugged, the shielded outer casing 11 of the micro plug electrical connector 200 is externally pushed to the top side wall. When the bottom side wall 112 is 111 or the bottom side wall 112, for example, the pushing force of the tilting plug can be connected to the top side wall 111 and the protrusion 1121 by the connecting portion 116, thereby preventing the top side wall 111 or the bottom side wall 112 from being deformed and damaged by external force pushing. problem. That is, the top side wall 111 and the bottom side wall 112 are integrally formed by the connection of the connecting portion 116 to avoid deformation, thereby reinforcing the structural strength between the top side wall 111 and the bottom side wall 112, and enhancing the first frame opening 114 and The overall strength of the second frame 115.

In addition, when the micro plug electrical connector 200 and the micro receptacle electrical connector 300 are inserted, the first plug terminal group 14 in the first frame port 114 is transmitting an RF (Radio Frequency) signal, and the second frame is The second plug terminal group 15 of the 115 is connected to the top side wall 111 and the protrusion 1121 by the connecting portion 116 when the digital signal, the USB 3.0 or the USB 2.0 is transmitted, and is absorbed and grounded by the connecting portion 116. The first plug terminal group 14 and the second plug terminal group 15 transmit electromagnetic signals (Electro Magnetic Interference, EMI for short), and the first plug terminal group 14 and the second plug terminal group 15 are prevented from transmitting signals to each other. The problem of electromagnetic interference with each other.

Referring to FIG. 9 and FIG. 11 again, in the second embodiment of the micro-socket electrical connector 300 of the present invention, the present embodiment is mated with the second embodiment of the micro-plug electrical connector 200. The maximum difference between the first embodiment and the first embodiment of the micro-socket electrical connector 300 is that the plurality of second contact ends 241 of the micro-socket electrical connector 300 of the embodiment are located on two sides of the second tongue 223. The second embodiment of the micro plug electrical connector 200 is mated. That is, the plurality of second contact terminals 241 of the micro receptacle electrical connector 300 are connected to the plurality of signal terminals 151 and the second ground terminal 152 of the second plug terminal group 15 of the micro plug electrical connector 200.

In addition, in the embodiment, the shield case 21 of the micro-socket electrical connector 300 may further include a protrusion 1121 and a connecting portion 116 of the micro-plug electrical connector 200. A protrusion (not shown) is recessed in a direction of the bottom side wall of the shielding case 21 toward the top side wall, and the protrusion is located at a position 224 between the first tongue 222 and the second tongue 223, and then the connection portion The connecting protrusion and the top side wall are separated into the double insertion frame by the protrusion and the connecting portion, and can also be connected with the shielding shell 11 of the micro plug electrical connector 200, and the double insertion frame is enhanced. The overall strength of the mouth.

The first slot and the second slot of the micro plug electrical connector respectively have an RF (Radio Frequency, RF) signal and a digital signal, USB 3.0 or USB 2.0. a plug terminal set and a second plug terminal set. And, the second plug terminal group of the micro plug electrical connector forms a single row or a double row to interface with the second socket terminal group of the micro receptacle electrical connector. In addition, the shielding shell of the micro plug electrical connector is connected to the top side wall and the protrusion by the connecting portion, preventing the top side wall or the bottom side wall from being deformed and damaged by external force pushing, and absorbing and grounding the first plug terminal group by using the connecting portion And the electromagnetic wave emitted by the second plug terminal group in the transmission signal prevents the first plug terminal group and the second plug terminal group from mutually generating electromagnetic interference (EMI) when transmitting signals.

Through the above detailed description, it can fully demonstrate that the purpose and effect of this creation are both progressive and highly industrial, and it is a new type that has never been seen before in the market, and fully meets the patent requirements. Apply in accordance with the law. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. That is, all the changes and modifications made in accordance with the scope of this patent should belong to the scope of this creation patent. I would like to ask your review committee to give a clear understanding and pray for it. It is the prayer.

100‧‧‧Electrical connector assembly
200‧‧‧Micro plug electrical connector
300‧‧‧Micro socket electrical connector
11‧‧‧Shielded enclosure
111‧‧‧Top side wall
1111‧‧‧ recess
112‧‧‧Bottom side wall
1121‧‧‧ protrusion
114‧‧‧ first frame
115‧‧‧ second frame
116‧‧‧Connecting Department
12‧‧‧Insulated body
121‧‧‧Base
122‧‧‧ first board
1221‧‧‧first slot
123‧‧‧Second plate
1231‧‧‧second slot
14‧‧‧First plug terminal set
141‧‧‧Antenna terminal
1411‧‧‧ Flat elastic contact
142‧‧‧First grounding terminal
1421‧‧‧Unloading elastic contact
15‧‧‧Second plug terminal set
151‧‧‧ Signal Terminal
152‧‧‧Second ground terminal
153‧‧‧First power terminal
16‧‧‧Wire
21‧‧‧Shield housing
211‧‧‧ accommodating slots
22‧‧‧Insulated body
221‧‧‧ Subject
222‧‧‧ first tongue
223‧‧‧second tongue
224‧‧‧ spacing
23‧‧‧First socket terminal set
231‧‧‧First contact end
24‧‧‧Second socket terminal set
241‧‧‧second contact end
242‧‧‧second power terminal

[Fig. 1] A schematic view of the appearance of a first embodiment of the electrical connector assembly of the present invention. [Fig. 2] An exploded view of the first embodiment of the electrical connector assembly of the present invention. [Fig. 3] A cross-sectional, exploded view of the first embodiment of the electrical connector assembly of the present invention. [Fig. 4] A schematic sectional view of a first embodiment of the electrical connector assembly of the present invention. [Fig. 5] is an exploded perspective view showing the first embodiment of the micro plug electrical connector of the present invention. [Fig. 6] A front view of a first embodiment of the miniature plug electrical connector of the present invention. [Fig. 7] is an exploded perspective view showing the first embodiment of the micro receptacle electrical connector of the present invention. [Fig. 8] A schematic diagram of the first embodiment of the micro receptacle electrical connector of the present invention. [Fig. 9] A schematic view of the appearance of a second embodiment of the miniature electrical connector assembly of the present invention. [Fig. 10] is an exploded perspective view showing a second embodiment of the micro plug electrical connector of the present invention. [Fig. 11] is an exploded perspective view showing a second embodiment of the micro receptacle electrical connector of the present invention.

100‧‧‧Electrical connector assembly

200‧‧‧Micro plug electrical connector

300‧‧‧Micro socket electrical connector

11‧‧‧Shielded enclosure

1111‧‧‧ recess

1121‧‧‧ protrusion

121‧‧‧Base

16‧‧‧Wire

21‧‧‧Shield housing

211‧‧‧ accommodating slots

Claims (14)

A miniature plug electrical connector comprising: a shielded outer casing comprising a top side wall and a bottom side wall, the bottom side wall side by side of the top side wall to form a first frame and a second frame, the bottom side wall comprising a protrusion Between the first frame and the second frame; an insulative housing comprising a base, a first plate and a second plate, the first plate and the second plate extending On the side of the base, the first plate is located at the first frame, the second plate is located at the second frame, the first plate includes a first slot, and the second plate includes a second socket; a first plug terminal set is located at the base, the first plug terminal set includes at least one antenna terminal and at least one first ground terminal extending over the first board body, the first plug terminal The second plug terminal group includes a plurality of signal terminals and a second ground terminal extending from the second board body, and the second plug terminal is located at the base. The group is compliant with the transmission input/output signal. The micro plug electrical connector of claim 1, wherein the signal terminals and the second ground terminal are located in the slot and are arranged in the same row. The micro plug electrical connector of claim 1, wherein the signal terminals and the second ground terminal are located in the slot and are arranged in two rows. The micro plug electrical connector of claim 3, wherein the at least one antenna terminal comprises a flat type resilient contact portion exposed in the first slot. The micro plug electrical connector of claim 3, wherein the at least one first ground terminal comprises a blank type resilient contact portion exposed to the second slot. The micro plug electrical connector of claim 1, wherein the second plug terminal group comprises a first power terminal, and the width of the first power terminal is greater than a width of the signal terminals. The micro plug electrical connector of claim 1, wherein the shielding housing comprises a connecting portion connected to the top sidewall and the protruding portion. The micro plug electrical connector of claim 7, wherein the top side wall is formed by laser welding. The micro plug electrical connector of claim 7, wherein the top sidewall comprises a plurality of recesses for electrically welding the recesses to form a plurality of connections. A micro-socket electrical connector that can be used in conjunction with any of the micro-plug electrical connectors of any one of claims 1 to 9, the micro-socket electrical connector comprising: a shielded housing, including An accommodating groove is disposed in the accommodating groove, the insulating seat body includes a main body, a first tongue plate and a second tongue plate, and the first tongue plate and the second tongue plate are formed to extend from One side of the main body, a gap is formed between the first tongue and the second tongue; a first socket terminal group is located at the main body, and the first socket terminal group includes a plurality of first contact ends, a first tongue plate, the first socket terminal group is adapted to transmit a radio frequency signal; and A second socket terminal group is located in the main body, and the second plug terminal group includes a plurality of second contact ends extending on the second tongue plate, and the second socket terminal group is configured to conform to the transmission input/output signal. The micro-socket electrical connector of claim 10, wherein the second contact ends are located on one side of the second tongue and are arrayed in the same row. The micro-socket electrical connector of claim 10, wherein the second contact ends are located on two sides of the second tongue in two rows. The micro-socket electrical connector of claim 10, wherein the second socket terminal group comprises a second power terminal, the second power terminal having a width greater than a width of the second contact terminals. An electrical connector assembly comprising: a micro-plug electrical connector according to any one of claims 1 to 9; and a micro-socket electrical connector according to any one of claims 10 to 13 The micro plug electrical connector.