CN211508081U - Electric connector structure meeting high-frequency requirement - Google Patents
Electric connector structure meeting high-frequency requirement Download PDFInfo
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- CN211508081U CN211508081U CN202020081934.3U CN202020081934U CN211508081U CN 211508081 U CN211508081 U CN 211508081U CN 202020081934 U CN202020081934 U CN 202020081934U CN 211508081 U CN211508081 U CN 211508081U
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Abstract
The utility model relates to an electric connector structure meeting high frequency requirements, which comprises an insulating main body, a terminal and an outer iron shell, wherein the outer iron shell wraps the insulating main body and forms an opposite insertion interface, and a tongue piece on the insulating main body is convexly arranged in the opposite insertion interface; the terminal sets firmly on insulating main part, and the contact site of terminal lays in the tongue piece, the terminal contains ground terminal and signal terminal, and the contact site of different terminals lays respectively on the tongue piece downside, forms the upper and lower two rows that the level was arranged, and the contact site of different ground terminal misplaces from top to bottom and lays, is equipped with the widen portion on the ground terminal that is closest to outer iron casing, and the horizontal interval between ground terminal and the outer iron casing is reduced to the widen portion. The utility model discloses utilize the ground terminal of isolation design to and the relation of the corresponding ground terminal of design and outer iron-clad, reach and reduce electromagnetic interference or radio frequency interference efficiency, have good frequency width, can obtain stable characteristic impedance and good crosstalk-proof effect, in order to improve the high frequency characteristic of product.
Description
Technical Field
The utility model belongs to the technical field of the electric connector technique and specifically relates to relate to HDMI high frequency connector.
Background
According to the High Definition Multimedia Interface (HDMI), which is a full digital video and audio transmission Interface, can support High-speed transmission bandwidth and provide zero-distortion digital video/audio, because HDMI integrates and transmits video signals in a unified way, unlike traditional video signal separation transmission, the HDMI adopts non-compression digital data transmission, which can effectively reduce signal interference and attenuation caused by digital and analog conversion, and greatly simplify the installation of the system. HDMI can be used in video-related products such as set-top boxes, DVD players, personal computers, video players, integrated amplifiers, digital stereos, and televisions.
However, the HDMI electrical connector for uncompressed digital data transmission has the following problems and disadvantages to be improved when in use:
first, although the signal interference generated when converting digital signals into analog signals can be reduced, the electromagnetic interference or radio frequency interference between high frequency signal terminals cannot be solved.
In general, the sealing performance of the internal transmission conductor is increased by improving the shape of the shielding shell.
Disclosure of Invention
An object of the utility model is to provide an electric connector structure that satisfies the high frequency needs effectively solves high frequency interference, simple structure, effective.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electric connector structure meeting high-frequency requirements comprises an insulating main body, a terminal and an outer iron shell, wherein the outer iron shell wraps the insulating main body and forms an opposite insertion interface, and a tongue piece on the insulating main body is convexly arranged in the opposite insertion interface; the terminal sets firmly on insulating main part, and the contact site of terminal lays in the tongue piece, the terminal contains ground terminal and signal terminal, and the contact site of different terminals lays respectively on the tongue piece downside, forms the upper and lower two rows that the level was arranged, and the contact site of different ground terminal misplaces from top to bottom and lays, is equipped with the widen portion on the ground terminal that is closest to outer iron casing, and the horizontal interval between ground terminal and the outer iron casing is reduced to the widen portion.
The above solution is further that the widened portion is located on a fixed section where the ground terminal is fixedly connected to the insulating main body.
Further, the widened portion may be widened symmetrically with respect to an axis of the ground terminal.
According to the scheme, the insulating main body, the terminals and the outer iron shell form the board-connected HDMI connector, downward pins and an upward-turned grounding attachment plate with opposite-insertion interfaces are arranged on the outer iron shell, and welding pins of all the terminals are led out to form a row.
In the above aspect, the tongue piece of the insulating main body is provided with an air groove, and the air groove is located between the contact portions of different terminals.
The utility model discloses utilize the ground terminal of isolation design to and the relation of the corresponding ground terminal of design and outer iron-clad, reach and reduce electromagnetic interference or radio frequency interference efficiency, have good frequency width, can obtain stable characteristic impedance and good crosstalk-proof effect, in order to improve the high frequency characteristic of product.
Description of the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of the embodiment of FIG. 1;
fig. 3 is a schematic diagram of the terminal arrangement of the embodiment of fig. 1.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, 2 and 3, the present invention relates to an electrical connector structure meeting high frequency requirements, which comprises an insulating main body 1, a terminal 2 and an outer iron shell 3, wherein the outer iron shell 3 wraps the insulating main body 1 and forms an opposite insertion interface 31, and a tongue piece 11 on the insulating main body 1 is convexly arranged in the opposite insertion interface 31; the terminal 2 is fixedly arranged on the insulating main body 1, and the contact part of the terminal 2 is arranged on the tongue piece 11. Preferably, the insulating main body 1, the terminal 2 and the outer iron shell 3 of the present embodiment form a board-connected HDMI connector, the outer iron shell 3 is provided with a downward pin 32 and a grounding attachment plate 33 with the plug interface 31 turned upward, and the pin 32 can be grounded while the upper board is plugged and fixed; the grounding patch 33 provides a grounding connection and secures the position and orientation of the docking interface 31. The welding pins of all the terminals 2 are led out to form a row, so that the welding of the upper plate is facilitated, the detection is also facilitated, and better signal output is obtained. The terminals 2 comprise grounding terminals 21 and signal terminals 22, the contact parts of different terminals 2 are respectively arranged on the upper side and the lower side of the tongue piece 11 to form an upper row and a lower row which are horizontally arranged, and the contact parts of different grounding terminals 21 are arranged in a staggered manner up and down to provide corresponding isolation, so that the working performance of the signal terminals 22 is improved; the ground terminal 21 closest to the outer iron case 3 is provided with a widened portion 211, the widened portion 211 is transversely widened relative to the contact portion, the widened portion 211 reduces the horizontal distance between the ground terminal 21 and the outer iron case 3, further increases the grounding effect, achieves the effect of reducing electromagnetic interference or radio frequency interference, has good frequency width, can obtain stable characteristic impedance and good anti-crosstalk effect, and improves the high-frequency characteristic of the product.
Referring to fig. 1, 2 and 3, the widened portion 211 of the present embodiment is located on the fixed section where the ground terminal 21 is fixedly connected to the insulating main body 1, and the widened portion 211 is obtained by stamping or tearing along with the ground terminal 21, so that the structure is good. Furthermore, the widened part 211 is symmetrically widened according to the axis of the ground terminal 21, so that the manufacture is convenient; of course, the widened portion 211 is formed eccentrically with respect to the axis of the ground terminal 21, and is horizontally offset toward the outer iron case 3, thereby increasing the grounding effect.
Referring to fig. 1 and 2, in the present embodiment, the tongue 11 of the insulating main body 1 is provided with an air groove 111, and the air groove 111 is located between the contact portions of different terminals 2, so as to improve the high-frequency performance of the terminals by using an air medium.
The utility model discloses utilize the ground terminal of isolation design to and the relation of the corresponding ground terminal of design and outer iron-clad, reach and reduce electromagnetic interference or radio frequency interference efficiency, have good frequency width, can obtain stable characteristic impedance and good crosstalk-proof effect, in order to improve the high frequency characteristic of product.
The present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical concept and features of the present invention, the present invention is intended to be understood and implemented by those skilled in the art, and the protection scope of the present invention can not be limited thereby, so that equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. An electric connector structure meeting high-frequency requirements comprises an insulating main body (1), a terminal (2) and an outer iron shell (3), wherein the outer iron shell (3) wraps the insulating main body (1) and forms an opposite insertion interface (31), and a tongue piece (11) on the insulating main body (1) is convexly arranged in the opposite insertion interface (31); terminal (2) set firmly on insulating main part (1), and tongue (11), its characterized in that are laid to the contact site of terminal (2): the terminal (2) comprises a grounding terminal (21) and a signal terminal (22), contact parts of different terminals (2) are respectively arranged on the upper side and the lower side of the tongue piece (11) to form an upper row and a lower row which are horizontally arranged, the contact parts of different grounding terminals (21) are arranged in a vertically staggered mode, a widening part (211) is arranged on the grounding terminal (21) closest to the outer iron shell (3), and the widening part (211) reduces the horizontal distance between the grounding terminal (21) and the outer iron shell (3).
2. An electrical connector structure meeting high frequency requirements according to claim 1, characterized in that: the widened part (211) is positioned on a fixed section of the grounding terminal (21) fixedly connected with the insulating main body (1).
3. An electrical connector structure meeting high frequency requirements according to claim 2, characterized in that: the widened portion (211) is symmetrically widened in accordance with the axis of the ground terminal (21).
4. An electrical connector structure meeting high frequency requirements according to claim 1, characterized in that: the insulating main body (1), the terminals (2) and the outer iron shell (3) form a board-connected HDMI connector, downward pins (32) and an upward-turned grounding attachment plate (33) with the insertion interfaces (31) are arranged on the outer iron shell (3), and welding pins of all the terminals (2) are led out to form a row.
5. An electrical connector structure meeting high frequency requirements according to claim 1, characterized in that: the tongue piece (11) on the insulation main body (1) is provided with an air groove (111), and the air groove (111) is positioned between the contact parts of different terminals (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081934.3U CN211508081U (en) | 2020-01-15 | 2020-01-15 | Electric connector structure meeting high-frequency requirement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020081934.3U CN211508081U (en) | 2020-01-15 | 2020-01-15 | Electric connector structure meeting high-frequency requirement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211508081U true CN211508081U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020081934.3U Active CN211508081U (en) | 2020-01-15 | 2020-01-15 | Electric connector structure meeting high-frequency requirement |
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| CN (1) | CN211508081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220181816A1 (en) * | 2020-12-08 | 2022-06-09 | Advanced Connectek Inc. | Electrical connector |
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2020
- 2020-01-15 CN CN202020081934.3U patent/CN211508081U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220181816A1 (en) * | 2020-12-08 | 2022-06-09 | Advanced Connectek Inc. | Electrical connector |
| US11929574B2 (en) * | 2020-12-08 | 2024-03-12 | Advanced Connectek Inc. | Electrical connector with HDMI 2.1 specification and a simple structure that can meet the conditions required for high-frequency signal transmission |
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