TWI857574B - Composite electrical connector for two electrical specification - Google Patents

Abstract

A composite electrical connector for two electrical specifications is disclosed. The composite electrical connector includes a plurality of terminals, each terminal includes a contact part and a welding part, the contact parts are arranged in an upper contact part row and a lower contact part row, and the welding parts are arranged in a row. The arrangement of the plurality of terminals is adapted to the first electrical specification and the second electrical specification, and the welding section of the two first differential signal terminal pairs of the first electrical specification is provided with a grounding terminal or a welding section of a functional terminal. The welding part of the two second differential signal terminal pairs of the second electrical specification is provided with a shielding terminal or a welding part of a functional terminal, thereby achieving the effect of electromagnetic shielding and preventing crosstalk. The front part and the rear part of the contact part of all terminals respectively correspond to the handpiece connectors of the first electrical specification and the second electrical specification, so as to achieve the effect of integrating the dual electrical specifications.

Description

Dual electrical specifications composite electrical connector

The present invention relates to a female composite electrical connector, and in particular to a dual electrical specification composite electrical connector suitable for docking with male electrical connectors of two electrical specifications.

Electrical connectors are used to connect electronic components, electronic components and electronic devices, or electronic devices to transmit electronic signals. Therefore, various electronic devices commonly used in daily life are equipped with electrical connectors, such as desktop computers, laptops, mobile devices, or even car-mounted electronic devices. The female electrical connector has a docking port for the male electrical connector to be inserted to complete the docking.

Existing electronic devices usually need to connect to other electronic devices of different electrical specifications, so multiple interfaces with different electrical specifications are set up, that is, female electrical connectors with different electrical specifications are set up for male electrical connectors with different specifications to connect. However, setting up multiple female electrical connectors in this way takes up a lot of space in the electronic device, especially as the size of electronic devices such as laptops or tablets is increasingly required to be thinner and lighter, the number of interfaces should be reduced as much as possible. Therefore, how to integrate multiple female electrical connectors with different electrical specifications is an important issue in the current research and development of electrical connectors.

The purpose of the present invention is to provide a dual electrical specification composite electrical connector, which is suitable for connecting electrical connectors of two different electrical specifications, thereby solving the technical problem in the prior art that electronic devices need to be equipped with multiple female electrical connectors for connecting male electrical connectors of different specifications.

An embodiment of the dual electrical specification composite electrical connector of the present invention includes a plurality of terminals, each terminal includes a contact portion and a welding portion, the contact portions are arranged in an upper contact portion row and a lower contact portion row, and the welding portions are arranged in a row. The arrangement of the plurality of terminals is adapted to a first electrical specification and a second electrical specification, the first electrical specification defines the terminals to include a plurality of pairs of first differential signal terminal pairs, a plurality of ground terminals, a pair of power terminals and a functional terminal, and the second electrical specification defines the terminals to include a plurality of pairs of second differential signal terminal pairs, a plurality of shielding terminals, a pair of power terminals and a plurality of functional terminals. Between the welding portions of the two first differential signal terminal pairs, there is provided at least one welding portion of the grounding terminal or one welding portion of the functional terminal. Between the welding portions of the two second differential signal terminal pairs, there is provided at least one welding portion of the shielding terminal or one welding portion of the functional terminal.

In another embodiment, the portions of the contact parts away from the welding part are used to contact multiple first terminals of a first counterpart connector of a first electrical specification, and the portions of the contact parts close to the welding part are used to contact multiple second terminals of a second counterpart connector of a second electrical specification.

In another embodiment, it further includes an insulating structure, the insulating structure includes a tongue plate portion and a retaining portion orthogonal to the tongue plate portion, the upper contact portion of the contact portion of the terminals is arranged on the upper surface of the tongue plate portion, and the lower contact portion of the contact portion is arranged on the lower surface of the tongue plate portion, the welding portion of the terminals is retained by the retaining portion, and the retaining portion is provided with a first guide boss and a second guide boss on the wall surface close to the tongue plate portion, the first guide boss has a first guide surface and a stop surface perpendicular to the first guide surface, the second guide boss has a second guide surface, the first counterpart connector of the first electrical specification abuts against the stop surface, and the second counterpart connector of the second electrical specification abuts against the first guide surface and the second guide surface by configuration matching.

In another embodiment, it further includes a metal shell, which covers the insulating structure and has a pair of interfaces for a first counterpart connector of a first electrical specification and a second counterpart connector of a second electrical specification to connect, and the opposite sides of the interface respectively have a first bearing surface and a second bearing surface. The first counterpart connector or the second counterpart connector abuts against the first bearing surface, and the first counterpart connector abuts against the second bearing surface by configuration matching.

In another embodiment, the first bearing surface and the second bearing surface are arranged opposite to each other, the first bearing surface is a lead straight surface, and the second bearing surface includes a lead straight surface and an inclined surface.

In another embodiment, the metal housing further includes a limiting portion, which is located between the first bearing surface and the second bearing surface and is disposed on the metal housing. The limiting portion limits the movement path of the second counterpart connector through the docking interface, so that the second counterpart connector abuts against the first guide surface.

In another embodiment, the limiting portion includes a spring sheet disposed on the bottom wall of the metal shell, or the limiting portion includes limiting protrusions disposed on the top wall and the bottom wall of the metal shell and a guide spring sheet disposed on the second bearing surface.

In another embodiment, the first guide surface and the second guide surface are arranged opposite to each other and are both inclined surfaces.

In another embodiment, each terminal further includes a fixing portion, the fixing portions of the terminals are coupled to the retaining portion, and the fixing portions are arranged in a row and correspond to the welding portions.

In another embodiment, the first electrical specification is DisplayPort and the second electrical specification is HDMI.

In another embodiment, the welding portions of two adjacent terminals among the terminals corresponding to the 19th pin of the first electrical specification and the 19th pin of the second electrical specification are arranged adjacent to each other and the contact portions of the two terminals are arranged front and back along the direction of docking.

In another embodiment, the welding portions of two adjacent terminals among the terminals corresponding to the 18th pin of the first electrical specification and the two terminals corresponding to the 18th pin of the second electrical specification are arranged adjacent to each other and the contact portions of the two terminals are arranged front and back along the docking direction.

The dual electrical specification composite electrical connector of the present invention integrates the terminal structure of the first electrical specification with the terminal structure of the second electrical specification, and the welding parts of all the terminals are arranged in a row to form an electrical connection with the circuit board, and the welding parts between the first differential signal terminal pair or the welding parts between the second differential signal terminal pair are provided with welding parts of ground terminals, shield terminals or functional terminals to serve as electromagnetic shielding to prevent crosstalk. The contact parts of all terminals are divided into upper contact part rows and lower contact part rows to match the pins of the first electrical specification and the second electrical specification, and the contact parts of all terminals away from the welding part are used to connect with the first terminal of the counterpart hand-held electrical connector of the first electrical specification, and the contact parts of all terminals close to the welding part are used to connect with the second terminal of the counterpart hand-held electrical connector of the second electrical specification, thereby achieving the effect of integrating the first electrical specification and the second electrical specification into a dual electrical specification composite electrical connector.

1: Dual electrical specification composite electrical connector

10: Terminals

10a, 10b: first differential terminal pair

10c, 10d: first differential terminal pair

10e: Ground terminal

10f: Ground terminal

10g, 10h: first differential terminal pair

10i: Ground terminal

10j, 10k: Terminals

10l, 10m: Terminals

11: Contact area

12:Fixing part

13: Welding Department

20: Insulation structure

21: Tongue plate

22: Maintaining Department

23: First guide boss

24: Second guide boss

30:Metal shell

31: Docking port

32: First bearing surface

33: Second supporting surface

35: Limiting part

221: Wall

231: First guide surface

232: Stop surface

241: Second guide surface

351: Limiting bump

352:Guided Shrapnel

A: Upper contact row

B: Lower contact row

C1: First Opponent Connector

C2: Second opponent connector

P: Circuit board

Figure 1 is a three-dimensional diagram of an embodiment of the dual electrical specification composite electrical connector of the present invention.

FIG. 2 is a three-dimensional diagram of the dual electrical specification composite electrical connector of FIG. 1 from another perspective.

FIG3 is a perspective view of the dual electrical specification composite electrical connector of FIG1 from another perspective.

FIG. 4 is a front view of the dual electrical specification composite electrical connector of FIG. 1 .

Figure 5 is a three-dimensional view of the dual electrical specification composite electrical connector of Figure 1 with the metal shell removed.

FIG. 6 is a three-dimensional diagram of the dual electrical specification composite electrical connector of FIG. 5 from another perspective.

FIG. 7 is a perspective view of the structure of the terminal of the dual electrical specification composite electrical connector of FIG. 1.

FIG8 is a three-dimensional diagram of the structure of the terminal of FIG7 from another perspective.

FIG9 is a three-dimensional diagram of the structure of the terminal of FIG7 from another perspective.

FIG. 10 is a three-dimensional exploded view of the dual electrical specification composite electrical connector of FIG. 1 .

FIG11 is a schematic diagram of the dual electrical specification composite electrical connector of FIG1 being connected to a counterpart electrical connector of the first electrical specification.

FIG12 is a schematic diagram of the dual electrical specification composite electrical connector of FIG11 with the metal shell removed.

Figure 13 is a front view of Figure 11.

Figure 14 is a top view of Figure 11.

FIG. 15 is a schematic diagram of the dual electrical specification composite electrical connector of FIG. 1 being connected to a second electrical specification counterpart electrical connector.

FIG16 is a schematic diagram of the dual electrical specification composite electrical connector of FIG15 with the metal shell removed.

Figure 17 is a three-dimensional image of Figure 16 from another perspective.

Figure 18 is a front view of Figure 15.

Figure 19 is a top view of Figure 15.

Figure 20 is a three-dimensional diagram of another embodiment of the dual electrical specification composite electrical connector of the present invention.

FIG. 21 is a front view of the dual electrical specification composite electrical connector of FIG. 20 .

Please refer to Figures 1 to 10, which show an embodiment of the dual electrical specification composite electrical connector of the present invention. The dual electrical specification composite electrical connector 1 of this embodiment includes a plurality of terminals 10, an insulating structure 20 and a metal shell 30. The plurality of terminals 10 are arranged in the insulating structure 20 and are held and positioned by the insulating structure 20. The metal shell covers the terminals 10 and the insulating structure 20 and forms a docking space for the opposite hand electrical connector to dock and contact with the terminals 10 to form an electrical connection. The metal shell 30 is fixed to a circuit board P, and the terminals 10 are electrically connected to the circuit board P to transmit electronic signals.

As shown in Figures 7, 8, 9 and 10, each terminal 10 of the dual electrical specification composite electrical connector 1 of this embodiment includes a contact portion 11, a fixed portion 12 and a welding portion 13. The number of terminals 10 in this embodiment is 22, and the fixed portions 12 and welding portions 13 of all terminals 10 are arranged in a row, and the contact portions 11 of all terminals 10 are arranged in two upper and lower rows, namely the upper contact portion row A and the lower contact portion row B. The upper contact portion row A includes eleven contact portions 11 of the terminals 10, and the lower contact portion row B includes eleven contact portions 11 of the terminals 10.

The terminal 10 of this embodiment is applicable to the first electrical specification and the second electrical specification. The first electrical specification of this embodiment is DisplayPort, and the second electrical specification is High Definition Multimedia Interface (HDMI). The terminal 10 corresponding to the upper contact column A corresponds to the terminal pins 1, 3, 5, 7, 9, 11, 13, 15, 17 and 19 of the first electrical specification from right to left in the mating direction, wherein terminal pins 1 and 3, terminal pins 7 and 9, terminal pins 15 and 17 are the first differential signal terminal pair, terminal pins 5, 11, 13 are the first ground terminals, terminal pin 19 is the first power terminal (power signal feedback), corresponding to the lower The terminals 10 of the square contact row B correspond to the first electrical specification terminal pins 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20 from right to left in the mating direction, among which terminal pins 4 and 6, terminal pins 10 and 12 are the first differential signal terminal pair, terminal pins 2, 8, 14, 16 are the first grounding terminals, terminal pin 18 is the functional terminal (hot plug detection), and terminal pin 20 is the first power terminal.

The terminals 10 corresponding to the upper contact row A correspond to the terminal pins 1, 3, 5, 7, 9, 11, 13, 15, 17 and 19 of the second electrical specification from right to left in the mating direction, wherein terminal pins 1 and 3, terminal pins 7 and 9 are the second differential signal terminal pair, terminal pins 5 and 11 are shielding terminals, terminal pin 13 is a functional terminal (CEC), terminal pin 15 is a functional terminal (SCL), terminal pin 17 is a ground terminal (DDC/CEC ground), and terminal pin 19 is a functional terminal (hot plug detection). The terminals 10 corresponding to the contact row B below correspond to the terminal pins 2, 4, 6, 8, 10, 12, 14, 16 and 18 of the second electrical specification from right to left in the mating direction, among which terminal pins 2 and 8 are shielding terminals, terminal pins 4 and 6, terminal pins 10 and 12 are the second differential signal terminal pair, terminal pin 14 is a functional terminal (reserved pin), terminal pin 16 is a functional terminal (SDA), and terminal pin 18 is a power terminal.

The fixed parts 12 and soldering parts 13 of all the terminals 10 are arranged in a row. To prevent crosstalk, at least one fixed part 12 and soldering part 13 of a ground terminal or a fixed part 12 and soldering part 13 of a functional terminal is provided between the fixed parts 12 and soldering parts 13 of the two first differential signal terminal pairs. At least one fixed part 12 and soldering part 13 of a shielding terminal or a fixed part 12 and soldering part 13 of a functional terminal is provided between the fixed parts 12 and soldering parts 13 of the two second differential signal terminal pairs.

For the first electrical specification, for example, the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10a, 10b corresponding to the terminal pins 1 and 3 of the upper contact row A and the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10c, 10d corresponding to the terminal pins 7 and 9 of the upper contact row A are provided with the fixing portion 12 and the welding portion 13 of the ground terminal 10e corresponding to the terminal pin 5 of the upper contact row A.

For another example, the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10c, 10d of the terminal pins 7 and 9 of the upper contact portion row A are provided on both sides with two bifurcated structures of the fixing portion 12 and the welding portion 13 of the ground terminal 10f corresponding to the terminal pin 8 of the lower contact portion row B as electromagnetic shielding, thereby the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10c, 10d of the terminal pins 7 and 9 of the upper contact portion row A and the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10g, 10h of the terminal pins 10 and 12 of the lower contact portion row B can play an electromagnetic shielding effect with each other.

The fixed portion 12 and the soldering portion 13 of the ground terminal 10e corresponding to the terminal pin 5 of the upper contact portion row A form two forked structures, and the fixed portion 12 and the soldering portion 13 of the ground terminal 10i corresponding to the terminal pin 11 of the upper contact portion row A also form two forked structures, which are used as electromagnetic shielding structures for adjacent differential signal terminal pairs. Similarly, as mentioned above, the fixed portion 12 and the soldering portion 13 of the ground terminal 10f corresponding to the terminal pin 8 of the lower contact portion row B also form two forked structures, which are used as electromagnetic shielding structures for adjacent differential signal terminal pairs.

For the second electrical specification, for example, the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10a, 10b corresponding to the terminal pins 1 and 3 of the upper contact row A and the fixing portion 12 and the welding portion 13 of the first differential terminal pair 10c, 10d corresponding to the terminal pins 7 and 9 of the upper contact row A are provided with the fixing portion 12 and the welding portion 13 of the ground terminal 10e corresponding to the terminal pin 5 of the upper contact row A.

For another example, the fixed portion 12 and the soldering portion 13 of the first differential terminal pair 10c, 10d of the terminal pins 7 and 9 of the upper contact portion row A are provided on both sides with two bifurcated structures of the fixed portion 12 and the soldering portion 13 of the ground terminal 10f corresponding to the terminal pin 8 of the lower contact portion row B as electromagnetic shielding, thereby the fixed portion 12 and the soldering portion 13 of the first differential terminal pair 10c, 10d of the terminal pins 7 and 9 of the upper contact portion row A and the fixed portion 12 and the soldering portion 13 of the first differential terminal pair 10g, 10h of the terminal pins 10 and 12 of the lower contact portion row B can play the role of electromagnetic shielding.

In order to connect with the first pair of handheld connectors corresponding to the first electrical specification and the second pair of handheld connectors corresponding to the second electrical specification and form an electrical connection between the terminals, the first terminals of the first pair of handheld connectors of the first electrical specification are connected to the contact portions 11 of the terminals 10 of the present embodiment at the contact portions 11 of the terminals 10 of the upper contact portion row A and the contact portions 11 of the terminals 10 of the lower contact portion row B away from the welding portion 13, that is, the contact portions 11 of the terminals 10 of the upper contact portion row A and the contact portions 11 of the terminals 10 of the lower contact portion row B are close to the front end. The second terminals of the second pair of handheld connectors of the second electrical specification are connected to the contact portion 11 of the terminal 10 of this embodiment at the contact portion 11 of the terminal 10 of the upper contact portion column A and the contact portion 11 of the terminal 10 of the lower contact portion column B near the welding portion 13, that is, the contact portion 11 of the terminal 10 of the upper contact portion column A and the contact portion 11 of the terminal 10 of the lower contact portion column B near the fixed portion 12.

In addition, the welding portions 13 of two adjacent terminals 10 corresponding to the 18th pin of the first electrical specification and the two terminals 10j and 10k corresponding to the 18th pin of the second electrical specification are arranged adjacent to each other and the contact portions 11 of the two terminals 10j and 10k are arranged front and back along the connecting direction, the first terminal of the first pair of handheld connectors of the first electrical specification contacts the terminal 10j, and the second terminal of the second pair of handheld connectors of the second electrical specification contacts the terminal 10k. The welding parts 13 of the two adjacent terminals 10 corresponding to the 19th pin of the first electrical specification and the two terminals 10l and 10m corresponding to the 19th pin of the second electrical specification are arranged adjacently and the contact parts 11 of the two terminals 10l and 10m are arranged front and back along the direction of docking. The first terminal of the first pair of handheld connectors of the first electrical specification contacts the terminal 10l, and the second terminal of the second pair of handheld connectors of the second electrical specification contacts the terminal 10m.

As shown in FIG. 5 and FIG. 6 , the terminal 10 of the dual electrical specification composite electrical connector 1 of the present embodiment is formed by stamping a metal strip, and then forming an insulating structure 20 by insert molding, and thereby the terminal 10 is combined with the insulating structure 20. The insulating structure 20 of the present embodiment includes a tongue plate portion 21 and a retaining portion 22 orthogonal to the tongue plate portion 21. The upper contact portion row A of the contact portions 11 of the plurality of terminals 10 is arranged on the upper surface of the tongue plate portion 21, and the lower contact portion row B of the contact portions 11 is arranged on the lower surface of the tongue plate portion 21. The fixing portions 12 and the welding portions 13 of the plurality of terminals 10 are retained by the retaining portion 22. A first guide boss 23 and a second guide boss 24 are provided on the wall surface 221 of the retaining portion 22 close to the tongue plate portion 21, the first guide boss 23 has a first guide surface 231 and a stop surface 232 perpendicular to the first guide surface 231, the second guide boss 24 has a second guide surface 241, wherein the first guide surface 231 is adjacent to the wall surface 221 of the retaining portion 22 close to the tongue plate portion 21, the stop surface 232 is opposite to the wall surface 221 of the retaining portion 22 close to the tongue plate portion 21, that is, the stop surface 232 is located far away from the wall surface 221, and the second guide surface 241 is adjacent to the wall surface 221 of the retaining portion 22 close to the tongue plate portion 21. The first guide surface 231 and the second guide surface 241 of this embodiment are arc-shaped inclined surfaces, which are used to form a configuration match with the second counterpart connector of the second electrical specification so as to dock and position the second counterpart connector of the second electrical specification. The stop surface 232 is a straight plane, which is used to stop and position the first counterpart connector of the first electrical specification.

Please refer to Figures 11, 12, 13 and 14. The first counterpart connector C1 of the first electrical specification abuts against the stop surface 232, so that the first terminal of the first counterpart connector C1 and the contact portion 11 of the terminal 10 of this embodiment are connected at the contact portion 11 of the terminal 10 of the upper contact portion row A and the contact portion 11 of the terminal 10 of the lower contact portion row B away from the welding portion 13.

Please refer to Figures 15, 16, 17, 18 and 19. The second counterpart connector C2 of the second electrical specification abuts against the first guide surface 231 and the second guide surface 241 by configuration matching, and the second counterpart connector C2 is abutted against the wall surface 221 of the retaining portion 22 close to the tongue plate portion 21, so that the second terminal of the second counterpart connector C2 abuts against the contact portion 11 of the terminal 10 of this embodiment at the contact portion 11 of the terminal 10 of the upper contact portion row A and the contact portion 11 of the terminal 10 of the lower contact portion row B near the welding portion 13.

Please refer to Figures 1, 2, 3 and 4 again. The metal shell 30 of the dual electrical specification composite electrical connector 1 of this embodiment covers the insulating structure 20 and has a pair of interfaces 31 for a first counterpart connector of a first electrical specification and a second counterpart connector of a second electrical specification to be connected. The opposite sides of the interface 31 respectively have a first bearing surface 32 and a second bearing surface 33. The first bearing surface 32 and the second bearing surface 33 are arranged opposite to each other. As shown in Figures 11 to 19, the first counterpart connector or the second counterpart connector abuts against the first bearing surface 32, and the first counterpart connector abuts against the second bearing surface 33 by configuration matching. The first bearing surface 32 of this embodiment is a straight plane, and the second bearing surface 33 includes a straight plane and an inclined surface.

The metal housing 30 further includes a limiting portion 35, which is located between the first bearing surface 32 and the second bearing surface 33 and is disposed on the bottom wall of the metal housing 30. The limiting portion 35 of this embodiment is a spring that protrudes from the bottom wall of the metal housing 30. The limiting portion 35 limits the movement path of the second counterpart connector through the docking port 31, guides the second counterpart connector C2 to enter the first guide boss 23 and abut against the first guide surface 231.

Please refer to Figures 20 and 21, which show another embodiment of the dual electrical specification composite electrical connector of the present invention. This embodiment has a partially identical structure with the previous embodiment, so the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the previous embodiment is that the limit portion 35 of this embodiment includes a limit protrusion 351 disposed on the top wall and the bottom wall of the metal shell 30 and a guide spring 352 disposed on the second bearing surface 33. The limit protrusion 351 limits the movement path of the second counterpart connector through the docking port 31, and the guide spring 352 guides the second counterpart connector to enter the first guide boss 23 and abut against the first guide surface 231.

The dual electrical specification composite electrical connector of the present invention integrates the terminal structure of the first electrical specification with the terminal structure of the second electrical specification, and the welding parts of all the terminals are arranged in a row to form an electrical connection with the circuit board, and the welding parts between the first differential signal terminal pair or the welding parts between the second differential signal terminal pair are provided with welding parts of ground terminals, shielding terminals or functional terminals to serve as electromagnetic shielding to prevent crosstalk. The contact parts of all terminals are divided into upper contact part rows and lower contact part rows to match the pins of the first electrical specification and the second electrical specification, and the contact parts of all terminals away from the welding part are used to connect with the first terminal of the counterpart hand-held electrical connector of the first electrical specification, and the contact parts of all terminals close to the welding part are used to connect with the second terminal of the counterpart hand-held electrical connector of the second electrical specification, thereby achieving the effect of integrating the first electrical specification and the second electrical specification into a dual electrical specification composite electrical connector.

However, the above is only the preferred embodiment of the present invention, and it cannot be used to limit the scope of the implementation of the present invention. That is, all simple equivalent changes and modifications made according to the scope of the patent application and the new description of the present invention are still within the scope of the present invention. In addition, any embodiment or patent application of the present invention does not need to achieve all the purposes, advantages or features disclosed by the present invention. In addition, the abstract and title are only used to assist in searching for patent documents, and are not used to limit the scope of rights of the present invention. In addition, the terms "first" and "second" mentioned in this specification or patent application are only used to name the element or distinguish different embodiments or scopes, and are not used to limit the upper or lower limit of the number of elements.

10: Terminals

11: Contact area

20: Insulation structure

21: Tongue plate

22: Maintaining Department

23: First guide boss

24: Second guide boss

30:Metal shell

31: Docking port

32: First bearing surface

33: Second supporting surface

35: Limiting part

221: Wall

231: First guide surface

232: Stop surface

241: Second guide surface

A: Upper contact row

B: Lower contact row

P: Circuit board

Claims (10)

A dual electrical specification composite electrical connector, comprising: a plurality of terminals, each terminal comprising a contact portion, a welding portion and a fixing portion, the contact portions are arranged in an upper contact portion row and a lower contact portion row, the welding portions are arranged in a row, the fixing portions are arranged in a row and correspond to the welding portions, and the portions of the contact portions away from the welding portions are used to contact with a plurality of first terminals of a first counterpart connector of the first electrical specification; wherein the arrangement of the terminals is adapted to a first electrical specification and a second electrical specification, and the first electrical specification defines that the terminals include A plurality of pairs of first differential signal terminals, a plurality of ground terminals, a pair of power terminals and a functional terminal, wherein the second electrical specification defines that the terminals include a plurality of pairs of second differential signal terminals, a plurality of shield terminals, a pair of power terminals and a plurality of functional terminals; wherein at least one of the welding portions of the ground terminal or the welding portion of the functional terminal is disposed between the welding portions of two of the first differential signal terminal pairs; wherein at least one of the welding portions of the shield terminal or the welding portion of the functional terminal is disposed between the welding portions of two of the second differential signal terminal pairs. A dual electrical specification composite electrical connector as described in claim 1, wherein the contact portions close to the welding portion are used to contact multiple second terminals of the second counterpart connector of the second electrical specification. The dual electrical specification composite electrical connector as described in claim 2 further includes an insulating structure, the insulating structure includes a tongue plate portion and a retaining portion orthogonal to the tongue plate portion, the upper contact portion of the contact portion of the terminals is arranged on the upper surface of the tongue plate portion, the lower contact portion of the contact portion is arranged on the lower surface of the tongue plate portion, the welding portion and the fixing portion of the terminals are retained by the retaining portion, and the retaining portion is provided with a first A guide boss and a second guide boss, the first guide boss has a first guide surface and a stop surface perpendicular to the first guide surface, the second guide boss has a second guide surface, the first counterpart connector of the first electrical specification abuts against the stop surface, the second counterpart connector of the second electrical specification abuts against the first guide surface and the second guide surface by configuration matching, the first guide surface and the second guide surface are arranged opposite to each other and are both inclined surfaces. The dual electrical specification composite electrical connector as described in claim 3 further includes a metal shell, which covers the insulating structure and has a pair of interfaces for a first counterpart connector of the first electrical specification and a second counterpart connector of the second electrical specification to connect, and the opposite sides of the interface respectively have a first bearing surface and a second bearing surface, the first counterpart connector or the second counterpart connector abuts against the first bearing surface, and the first counterpart connector abuts against the second bearing surface by configuration matching. As described in claim 4, the dual electrical specification composite electrical connector, wherein the first bearing surface and the second bearing surface are arranged opposite to each other, the first bearing surface is a lead straight surface, and the second bearing surface includes a lead straight surface and an inclined surface. As described in claim 5, the dual electrical specification composite electrical connector, wherein the metal housing further includes a limit portion, the limit portion is located between the first bearing surface and the second bearing surface, and is disposed on the metal housing, the limit portion limits the movement path of the second counterpart connector through the docking port, so that the second counterpart connector abuts against the first guide surface. As described in claim 6, the dual electrical specification composite electrical connector, wherein the limiting portion includes a spring arranged on the bottom wall of the metal shell, or the limiting portion includes limiting protrusions arranged on the top wall and the bottom wall of the metal shell and a guide spring arranged on the second bearing surface. A dual electrical specification composite electrical connector as described in any one of claims 1 to 7, wherein the first electrical specification is DisplayPort and the second electrical specification is High Definition Multimedia Interface (HDMI). As described in claim 8, the dual electrical specification composite electrical connector, wherein the welding portions of the two terminals corresponding to the 18th pin of the first electrical specification and the 18th pin of the second electrical specification are arranged adjacent to each other and the contact portions of the two terminals are arranged front and back along the mating direction. A dual electrical specification composite electrical connector as described in claim 8, wherein the welding portions of two of the terminals corresponding to the 19th pin of the first electrical specification and the 19th pin of the second electrical specification are arranged adjacent to each other and the contact portions of the two terminals are arranged front and back along the mating direction.

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