TWI506872B - The terminal block of the electrical connector - Google Patents

Description

Terminal block for electrical connector

The present invention relates to a terminal set for an electrical connector, and more particularly to a terminal set of an electrical connector that can adjust the impedance of the terminal and improve the resonance phenomenon between the terminals.

Nowadays, the industry is developed, and all manufacturers have advanced electronic equipment to make observation, control, measurement and recording in production, so that each electronic device can communicate with each other and transmit data. The device is also provided with at least one electrical connector as a response. However, the terminal structure of the conventional electrical connector usually only has the functions of electrical connection and electronic signal transmission, and cannot adjust the impedance of the terminal according to different manufacturing requirements. In addition, the problem of resonance often occurs between the terminals of the conventional electrical connector. .

Therefore, how to invent a terminal set of an electrical connector so that it can adjust the impedance of the terminal and improve the resonance phenomenon between the terminals will be actively disclosed in the present invention.

In view of the shortcomings of the above-mentioned prior art, the inventor feels that he has not perfected it, exhausted his mind and researched and overcome it, and based on his accumulated experience in the industry for many years, he developed a terminal set of electrical connectors, with a view to It achieves the purpose of adjusting the impedance of the terminal and improving the resonance phenomenon between the terminals.

To achieve the above object, a first aspect of the present invention provides a terminal for an electrical connector The group includes: a pair of signal terminals having two signal terminals, the signal terminals being laterally spaced and each having a first groove, the opening of the first groove facing the longitudinal direction of the signal terminal; and a pair of ground terminals The signal terminal pair is located between the ground terminals, and the ground terminals respectively have a second groove, the opening of the second groove faces the longitudinal direction of the ground terminal, and the ground terminal The signal terminals are laterally spaced.

In the terminal group of the electrical connector, the signal terminals respectively have a first electrical connection segment and a first fastening segment that are connected to each other in a V shape, and the first groove is located in the first fixed segment or the first electrical component. a connecting portion; each of the grounding terminals has a second electrical connecting portion and a second fixed portion connected to each other in a V shape, and the second recess is located in the second fixed portion or the second electrical connecting portion.

In the terminal set of the electrical connector, when the first recess is located in the first fixed section, the opening of the first recess faces away from or faces the first electrical connecting section; the first recess is located in the first electrical When the segment is connected, the opening of the first groove faces away from or faces the first fixing segment; when the second groove is located at the second fixing segment, the opening of the second groove faces away from or faces the second electrical connection a segment; when the second groove is located in the second electrical connection segment, the opening of the second groove faces away from or faces the second fixed segment.

In the terminal set of the electrical connector, the end of the first electrical connecting section and the end of the second electrical connecting section respectively have an arc-shaped electrical connection structure.

In the terminal set of the electrical connector, the end of the first fixing section and the end of the second fixing section respectively extend away from or toward the first electrical connecting section and the second electrical connecting section to have a fixing structure. .

A second aspect of the present invention provides a terminal set of an electrical connector, comprising: a pair of signal terminals having two signal terminals, the signal terminals being laterally spaced apart by a first distance and having a first groove, the opening of the first groove facing the longitudinal direction of the signal terminal; and a pair of ground terminals The device has two grounding terminals, and the signal terminal pair is located between the grounding terminals. The grounding terminals respectively have a second groove, the opening of the second groove faces the longitudinal direction of the grounding terminal, and the grounding terminal and the signal The terminals are laterally spaced apart by a second spacing distance, the first spacing distance being less than the second spacing distance, and the grounding terminals each having at least one protrusion in a lateral direction.

In the terminal group of the electrical connector, the signal terminals respectively have a first electrical connection segment and a first fastening segment that are connected to each other in a V shape, and the first groove is located in the first fixed segment or the first electrical component. a connecting portion; each of the grounding terminals has a second electrical connecting portion and a second fixed portion connected to each other in a V shape, and the second recess is located in the second fixed portion or the second electrical connecting portion.

In the terminal set of the electrical connector, when the first recess is located in the first fixed section, the opening of the first recess faces away from or faces the first electrical connecting section; the first recess is located in the first electrical When the segment is connected, the opening of the first groove faces away from or faces the first fixing segment; when the second groove is located at the second fixing segment, the opening of the second groove faces away from or faces the second electrical connection a segment; when the second groove is located in the second electrical connection segment, the opening of the second groove faces away from or faces the second fixed segment.

In the terminal group of the electrical connector, the protruding portion is located in the second fixed segment or the second electrical connecting segment.

In the terminal group of the electrical connector, the protruding portion is laterally spaced apart from the signal terminal by a third separation distance, and the first separation distance is equal to or greater than the third separation distance.

In the terminal group of the electrical connector, the lateral width of the ground terminal is smaller than the signal The lateral width of the terminal.

In the terminal set of the electrical connector, the end of the first electrical connecting section and the end of the second electrical connecting section respectively have an arc-shaped electrical connection structure.

In the terminal set of the electrical connector, the end of the first fixing section and the end of the second fixing section respectively extend away from or toward the first electrical connecting section and the second electrical connecting section to have a fixing structure. .

Thereby, the terminal group of the electrical connector of the present invention can adjust the impedance of the terminal and improve the resonance phenomenon between the terminals.

1‧‧‧Terminal set for electrical connectors

11‧‧‧Signal terminal pair

111‧‧‧ Signal Terminal

1111‧‧‧First electrical connection section

1112‧‧‧First fixed section

11121‧‧‧first groove

1113‧‧‧Arc electrical connection structure

1114‧‧‧Fixed structure

1116‧‧‧ lateral width

12‧‧‧ Grounding terminal pair

121‧‧‧ Grounding terminal

1211‧‧‧Second electrical connection

1212‧‧‧Second fixed section

12121‧‧‧second groove

1213‧‧‧Arc electrical connection structure

1214‧‧‧Fixed structure

1215‧‧‧Protruding

1216‧‧‧ lateral width

13‧‧‧First separation distance

14‧‧‧Second separation distance

15‧‧‧ third separation distance

2‧‧‧Next terminal group

3‧‧‧ Fixed seat

4‧‧‧Shell

41‧‧‧ slots

Figure 1 is a perspective view of a specific embodiment of the present invention.

Figure 2 is a schematic view of the front side of Figure 1.

Figure 3 is a schematic view of the right side of Figure 1.

Figure 4 is a schematic view of the upper side of Figure 1.

Figure 5 is another schematic view of a groove of a specific embodiment of the present invention.

Figure 6 is an exploded perspective view of an application of a specific embodiment of the present invention.

Figure 7 is a schematic diagram of the combination of the application of the specific embodiment of the present invention.

Figure 8 is a schematic view of the front side of Figure 7.

Figure 9 is a schematic cross-sectional view of Figure 8.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.

Referring to FIGS. 1 to 5, as shown, the terminal set 1 of the electrical connector of the first aspect of the present invention includes a signal terminal pair 11 and a ground terminal pair 12. The signal terminal pair 11 has two signal terminals 111. The signal terminals 111 are parallel and laterally spaced apart from each other and have a first recess 11121. The opening of the first recess 11121 faces the signal terminal 111. In the longitudinal direction, the signal terminal 111 can adjust the size of the lateral cross-sectional area of the first terminal 11121, and the impedance of the signal terminal 111 can be adjusted. For example, the deeper the depth of the first groove 11121, the signal terminal The smaller the transverse cross-sectional area of 111, the greater the impedance of the signal terminal 111. Conversely, the shallower the depth of the first recess 11121 is, the larger the transverse cross-sectional area of the signal terminal 111 is, the smaller the impedance of the signal terminal 111 is. The grounding terminal pair 12 has two grounding terminals 121. The signal terminal pair 11 is located between the grounding terminals 121. The grounding terminals 121 respectively have a second recess 12121. The opening of the second recess 12121 faces the ground. In the longitudinal direction of the terminal 121, the grounding terminal 121 can adjust the size of the lateral cross-sectional area of the grounding terminal 121, and the impedance of the grounding terminal 121 can be adjusted. For example, the deeper the depth of the second groove 12121 is deeper. The smaller the transverse cross-sectional area of the grounding terminal 121 is, the greater the impedance of the grounding terminal 121 is. On the contrary, the shallower the depth of the second recess 12121 is, the larger the transverse cross-sectional area of the grounding terminal 121 is, and the impedance of the grounding terminal 121 is The smaller the distance, the ground terminal 121 and the signal terminal 111 are parallel and laterally spaced from each other.

Therefore, the signal terminal 111 and the ground terminal 121 of the terminal group 1 of the electrical connector of the first aspect of the present invention can adjust the signal by the first recess 11121 and the second recess 12121, respectively. The lateral cross-sectional area of the terminal 111 and the grounding terminal 121 further adjusts the impedance of the signal terminal 111 and the grounding terminal 121 to achieve the effect that the impedance of the terminal can be adjusted according to actual needs. Further, as shown in Fig. 1, a plurality of sets of the terminal groups 1 of the electrical connector of the first aspect of the invention can be provided in a plurality of terminals as needed.

Referring to FIG. 1 to FIG. 5 again, as shown in the figure, the signal terminals 111 may respectively have a first electrical connection segment 1111 and a first fastening segment 1112 connected to each other in a V shape. The slot 11121 can be located at the first fixed section 1112 (or can be located at the first electrical connecting section 1111), and the lower end of the first fixed section 1112 is connected to a circuit board or other electrical structure (not shown). Or the soldering is fixed to transmit the electronic signal, the angle between the first electrical connecting portion 1111 and the first fixing portion 1112 may be an acute angle, an obtuse angle or a right angle, and the front end portion of the first electrical connecting portion 1111 is used for the insertion portion The terminals (not shown) are electrically connected (electrically contacted) to transmit electronic signals. In addition, the signal terminals 111 may have elasticity when the terminals of the insert are electrically connected (electrically contacted) to the first electrical connecting portion 1111. The terminal of the insert member pushes up the front end portion of the first electrical connecting portion 1111, and the first electrical connecting portion 1111 can generate an elastic restoring force to press the terminal of the insert to make the first electric The connecting section 1111 can positively electrically connect (electrically contact) the terminal of the insert; in addition, the upper Each of the grounding terminals 121 may have a second electrical connecting portion 1211 and a second fixed portion 1212 that are connected to each other in a V shape. The second recess 12121 may be located at the second fixed portion 1212 (or may be located at the second The second connecting portion 1212 is connected to a circuit board or other electrical structure (not shown) for fixing or soldering to transmit an electronic signal, and the second electrical connecting portion 1211 and the electrical connecting portion 1211) The angle between the second fixing segments 1212 may be an acute angle, an obtuse angle or a right angle. The front end portion of the second electrical connecting portion 1211 is for electrically connecting (electrically contacting) the terminal (not shown) of the insert. Transmitting the electronic signal. In addition, the grounding terminals 121 may have elasticity. When the terminal of the insert is electrically connected (electrically contacted) to the second electrical connecting portion 1211, the terminal of the insert pushes the second electrical connection. The front end portion of the segment 1211 is moved upward, and the second electrical connecting portion 1211 can generate an elastic restoring force to press the terminal of the insert to make the second electrical connecting portion 1211 electrically connect (electrically contact) the insert. Terminal.

Referring to FIG. 1 to FIG. 5 again, as shown in the figure, when the first recess 11121 is located in the first fixing segment 1112, the opening of the first recess 11121 may face away from or toward the first electrical connecting segment. 1111. Similarly, when the first recess 11121 is located in the first electrical connecting portion 1111, the opening of the first recess 11121 may face away from or toward the first fixed segment 1112. In addition, when the second recess 12121 is located in the second fixing section 1212, the opening of the second recess 12121 may face away from or face the second electrical connecting section 1211; likewise, the second recess 12121 is located in the first When the second connecting portion 1211 is electrically connected, the opening of the second recess 12121 may face away from or toward the second fixing portion 1212.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, the front end portion of the first electrical connecting portion 1111 and the front end portion of the second electrical connecting portion 1211 may respectively have an arc-shaped electrical connection structure 1113, 1213. When the terminal (not shown) of the insert translates toward the first fixed section 1112 and the second fixed section 1212 and pushes up the front end portion of the first electrical connecting section 1111 and the front end of the second electrical connecting section 1211 The terminal of the insert member can smoothly push up the front end portion of the first electrical connecting portion 1111 and the front end portion of the second electrical connecting portion 1211 by the smooth lower edge of the arc-shaped electrical connecting structures 1113, 1213. In order to achieve labor saving and reduce wear.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, the lower end portion of the first fixing portion 1112 and the lower end portion of the second fixing portion 1212 may respectively face away from (or may face) the first electrical connecting portion. 1111 and the second electrical connecting portion 1212 extend horizontally with a fixing structure 1114, 1214. The fixing portions 1114, 1214, the lower end portion of the first fixing portion 1112 and the lower end portion of the second fixing portion 1212 It can have a large fixed area to be fixed or soldered to the circuit board or other electrical structure (not shown), thereby achieving the effect of increasing the fixing force.

Referring to FIG. 1 to FIG. 5 again, as shown, the terminal set 1 of the electrical connector of the second aspect of the present invention includes a signal terminal pair 11 and a ground terminal pair 12. The signal terminal pair 11 has two signal terminals 111, and the signal terminals 111 are parallel to each other and laterally spaced apart by a first separation distance 13 (the closest distance between the signal terminals 111) and have a first a recess 11121, the opening of the first recess 11121 is opposite to the longitudinal direction of the signal terminal 111, and the signal terminal 111 can adjust the horizontal cross-sectional area thereof by the first recess 11121, thereby adjusting the signal terminal 111. The impedance is, for example, the deeper the depth of the first recess 11121 is, the smaller the transverse cross-sectional area of the signal terminal 111 is, the greater the impedance of the signal terminal 111 is. On the contrary, the shallower the depth of the first recess 11121 is, the signal terminal is The greater the transverse cross-sectional area of the 111, the smaller the impedance of the signal terminal 111 is. The ground terminal pair 12 has two grounding terminals 121, and the signal terminal pair 11 is located between the grounding terminals 121, and the grounding terminals 121 respectively have a The second recess 12121 has an opening facing the longitudinal direction of the grounding terminal 121. The second recess 12121 can adjust the cross-sectional area of the grounding terminal 121, thereby adjusting the connection. The impedance of the terminal 121, for example, the deeper the depth of the second groove 12121, the smaller the transverse cross-sectional area of the ground terminal 121, the greater the impedance of the ground terminal 121, and vice versa, the shallower the depth of the second groove 12121. The larger the cross-sectional area of the grounding terminal 121 is, the smaller the impedance of the grounding terminal 121 is. In addition, the grounding terminal 121 and the signal terminal 111 are parallel to each other and laterally spaced apart by a second interval. a distance 14 (the closest distance between the grounding terminal 121 and the signal terminal 111 except the protruding portion 1215), the first spacing distance 13 is smaller than the second spacing distance 14, and the grounding terminals 121 are respectively There are at least one protruding portion 1215 in the lateral direction, and the protruding portion 1215 can be located on the left side, the right side or the left and right sides of the grounding terminal 121.

Therefore, the signal terminal 111 and the grounding terminal 121 of the terminal group 1 of the electrical connector of the second aspect of the present invention can adjust the signal terminal 111 and the ground through the first recess 11121 and the second recess 12121, respectively. The lateral cross-sectional area of the terminal 121 further adjusts the impedance of the signal terminal 111 and the ground terminal 121 to achieve the effect that the impedance of the terminal can be adjusted according to actual needs. In addition, the signal terminal 111 and the grounding terminal 121 of the terminal group 1 of the electrical connector of the second aspect of the present invention can improve the inter-terminal spacing by the protruding portion 1215 and the first spacing distance 13 being smaller than the second spacing distance 14. Resonance phenomenon. Further, as shown in Fig. 1, a plurality of sets of the terminal groups 1 of the second embodiment of the electrical connector of the present invention can be provided in the plurality of terminals as needed.

Referring to FIG. 1 to FIG. 5 again, as shown in the figure, the signal terminals 111 may respectively have a first electrical connection segment 1111 and a first fastening segment 1112 connected to each other in a V shape. The slot 11121 can be located at the first fixed section 1112 (or can be located at the first electrical connecting section 1111), and the lower end of the first fixed section 1112 is connected to a circuit board or other electrical structure (not shown). Or the soldering is fixed to transmit the electronic signal, the angle between the first electrical connecting portion 1111 and the first fixing portion 1112 may be an acute angle, an obtuse angle or a right angle, and the front end portion of the first electrical connecting portion 1111 is used for the insertion portion The terminals (not shown) are electrically connected (electrically contacted) to transmit electronic signals. In addition, the signal terminals 111 may have elasticity when the terminals of the insert are electrically connected (electrically contacted) to the first electrical connecting portion 1111. , the terminal of the insert The front end portion of the first electrical connecting portion 1111 is pushed up, and the first electrical connecting portion 1111 can generate an elastic restoring force to press the terminal of the insert to make the first electrical connecting portion 1111 be electrically Connecting (electrically contacting) the terminals of the insert; in addition, the grounding terminals 121 may have a second electrical connecting portion 1211 and a second fixing portion 1212 which are connected to each other in a V shape, and the second recess 12121 may be The second fixed section 1212 is located at the second fixed section 1212 (or the second electrical connecting section 1211). The lower end of the second fixed section 1212 is connected to a circuit board or other electrical structure (not shown) for fixing or soldering. To transmit an electronic signal, the angle between the second electrical connection segment 1211 and the second fixed segment 1212 may be an acute angle, an obtuse angle or a right angle, and the front end portion of the second electrical connection segment 1211 is used to connect with the terminal of the insert ( The figure is not shown to be electrically connected (electrical contact) to transmit an electronic signal. In addition, the grounding terminals 121 may have elasticity, and when the terminal of the insert is electrically connected (electrically contacted) to the second electrical connecting section 1211, the insertion The terminal of the piece pushes up the front end of the second electrical connecting section 1211 At this time, the second electrical connecting portion 1211 can generate an elastic restoring force to press the terminal of the insert so that the second electrical connecting portion 1211 can surely electrically connect (electrically contact) the terminal of the insert.

Referring to FIG. 1 to FIG. 5 again, as shown in the figure, when the first recess 11121 is located in the first fixing segment 1112, the opening of the first recess 11121 may face away from or toward the first electrical connecting segment. 1111. Similarly, when the first recess 11121 is located in the first electrical connecting portion 1111, the opening of the first recess 11121 may face away from or toward the first fixed segment 1112. In addition, when the second recess 12121 is located in the second fixing section 1212, the opening of the second recess 12121 may face away from or face the second electrical connecting section 1211; likewise, the second recess 12121 is located in the first When the second connecting portion 1211 is electrically connected, the opening of the second recess 12121 may face away from or toward the second fixing portion 1212.

Please refer to FIG. 1 to FIG. 5 again. As shown in the figure, the above-mentioned protruding portion 1215 can be located. The second fixed section 1212 (or may be located in the second electrical connection section 1211) is adapted to different design requirements, assembly requirements, or manufacturing requirements.

Referring to FIG. 1 and FIG. 3 again, as shown in the figure, the protruding portion 1215 is laterally spaced apart from the signal terminal 111 by a third spacing distance 15, and the first spacing distance 13 may be equal to (or may be greater than) the first portion. The third spacing distance 15 is equal to (or less than) the first spacing distance 13 between the signal terminals 111 by the protruding portion 1215 and the third spacing distance 15 between the protruding portion 1215 and the signal terminal 111. The portion of the grounding terminal 121 except the protruding portion 1215 is away from the signal terminal 111 to achieve the first spacing distance 13 being smaller than the second spacing distance 14 and improving the resonance between the terminals.

Referring to FIG. 1 and FIG. 3 again, as shown, the lateral width 1216 of the grounding terminal 121 (the lateral width of the portion other than the protruding portion 1215) may be smaller than the lateral width 1116 of the signal terminal 111. The lateral width 1216 of the grounding terminal 121 is retracted such that the lateral width 1216 of the grounding terminal 121 is smaller than the lateral width 1116 of the signal terminal 111, so that the grounding terminal 121 is further away from the signal terminal 111, and the first interval can also be reached. The distance 13 is smaller than the second separation distance 14 and improves the resonance between the terminals.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, the front end portion of the first electrical connecting portion 1111 and the front end portion of the second electrical connecting portion 1211 may respectively have an arc-shaped electrical connection structure 1113, 1213. When the terminal (not shown) of the insert translates toward the first fixed section 1112 and the second fixed section 1212 and pushes up the front end portion of the first electrical connecting section 1111 and the front end of the second electrical connecting section 1211 The terminal of the insert member can smoothly push up the front end portion of the first electrical connecting portion 1111 and the front end portion of the second electrical connecting portion 1211 by the smooth lower edge of the arc-shaped electrical connecting structures 1113, 1213. ,and then Achieve labor and reduce wear.

Referring to FIG. 1 and FIG. 2 again, as shown in the figure, the lower end portion of the first fixing portion 1112 and the lower end portion of the second fixing portion 1212 may respectively face away from (or may face) the first electrical connecting portion. 1111 and the second electrical connecting portion 1212 extend horizontally with a fixing structure 1114, 1214. The fixing portions 1114, 1214, the lower end portion of the first fixing portion 1112 and the lower end portion of the second fixing portion 1212 It can have a large fixed area to be fixed or soldered to the circuit board or other electrical structure (not shown), thereby achieving the effect of increasing the fixing force.

Please refer to FIG. 6 to FIG. 9 . As shown in the figure, the terminal group 1 of the electrical connector of the present invention can be combined with the fixing base 3 in a manner of being buried, and then coupled to the housing 4 with the lower terminal group 2 . To form an electrical connector, a terminal (not shown) of the insert can be inserted into the electrical connector from the slot 41 of the housing 4 to be electrically connected to the terminal set 1 and the lower terminal 2. In addition, referring to FIG. 1 and FIG. 6 , when the terminal group 1 of the electrical connector is combined with the fixing base 3 , the first recess 11121 of the signal terminal 111 and the grounding terminal 121 are The second recess 12121 and the protruding portion 1215 can form the signal terminal 111 and the grounding terminal 121 to engage with the fixing base 3 to achieve stable bonding.

The content of the terminal group 1 of the above-described electrical connector is exemplified by the upper terminal of the electrical connector. However, the technique of the terminal group 1 of the above-described electrical connector can also be applied to the lower terminal of the electrical connector.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

1‧‧‧Terminal set for electrical connectors

11‧‧‧Signal terminal pair

111‧‧‧ Signal Terminal

1111‧‧‧First electrical connection section

1112‧‧‧First fixed section

11121‧‧‧first groove

1113‧‧‧Arc electrical connection structure

1114‧‧‧Fixed structure

12‧‧‧ Grounding terminal pair

121‧‧‧ Grounding terminal

1211‧‧‧Second electrical connection

1212‧‧‧Second fixed section

12121‧‧‧second groove

1213‧‧‧Arc electrical connection structure

1214‧‧‧Fixed structure

1215‧‧‧Protruding

Claims (7)

A terminal set of an electrical connector, comprising: a signal terminal pair having two signal terminals, the signal terminals are laterally spaced apart by a first separation distance and respectively have a first groove, and the opening of the first groove is oriented a longitudinal direction of the signal terminal; and a ground terminal pair having two grounding terminals, the signal terminal pair being located between the grounding terminals, the grounding terminals respectively having a second groove, the opening of the second groove facing In the longitudinal direction of the grounding terminal, the grounding terminal is laterally spaced apart from the signal terminal by a second spacing distance, the first spacing distance is less than the second spacing distance, and the grounding terminals respectively have at least one protruding portion in the lateral direction, the protruding portion The portion is laterally spaced from the signal terminal by a third separation distance, the first separation distance being equal to or greater than the third separation distance. The terminal group of the electrical connector of claim 1, wherein the signal terminals respectively have a first electrical connection segment and a first fastening segment that are connected to each other in a V shape, and the first groove is located at the terminal a first fixed segment or the first electrical connecting segment; the grounding terminals respectively have a second electrical connecting segment and a second fixed segment connected to each other in a V shape, and the second groove is located in the second fixed segment or the The second electrical connection section. The terminal set of the electrical connector of claim 2, wherein when the first recess is located in the first fixed section, the opening of the first recess faces away from or faces the first electrical connecting section; When the first recess is located in the first electrical connecting section, the opening of the first recess faces away from or faces the first fixing section; when the second recess is located in the second fixing section, the opening of the second recess Facing or facing the second electrical connection section; When the second recess is located in the second electrical connecting section, the opening of the second recess faces away from or faces the second fixed section. The terminal set of the electrical connector of claim 2, wherein the protruding portion is located in the second fixed segment or the second electrical connecting segment. The terminal set of the electrical connector of claim 1, wherein the lateral width of the ground terminal is smaller than a lateral width of the signal terminal. The terminal set of the electrical connector of claim 2, wherein the end of the first electrical connecting segment and the end of the second electrical connecting segment respectively have an arcuate electrical connection structure. The terminal set of the electrical connector of claim 2, wherein the end of the first fixed segment and the end of the second fixed segment face away from or toward the first electrical connecting segment and the second The electrical connection section extends to have a fixed structure.