CN111585112A - HDMI connector, HDMI data line and preparation method thereof - Google Patents

HDMI connector, HDMI data line and preparation method thereof Download PDF

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Publication number
CN111585112A
CN111585112A CN202010519381.XA CN202010519381A CN111585112A CN 111585112 A CN111585112 A CN 111585112A CN 202010519381 A CN202010519381 A CN 202010519381A CN 111585112 A CN111585112 A CN 111585112A
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CN
China
Prior art keywords
terminal
grounding
signal terminals
hdmi
connector
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Pending
Application number
CN202010519381.XA
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Chinese (zh)
Inventor
张清森
陈俊灵
王雏
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Shenzhen Green Connection Technology Co ltd
Ugreen Group Ltd
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Shenzhen Green Connection Technology Co ltd
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Priority to CN202010519381.XA priority Critical patent/CN111585112A/en
Publication of CN111585112A publication Critical patent/CN111585112A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to the technical field of electronic equipment, in particular to an HDMI connector, an HDMI data line with a coaxial cable and a preparation method of the HDMI data line, wherein the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, and the wiring end is used for being electrically connected with the coaxial cable; the connector body includes a mounting body and a plurality of signal terminals provided on the mounting body. The second of the installation body is served and is equipped with at least one ground connection portion, and two at least second ends that are used for the signal terminal of ground connection are connected with ground connection portion electricity, ground connection portion still be arranged in with the coaxial cable in a plurality of sub-cable's shielding weaving layer electricity be connected, need not to draw out one by one and carry out ground connection for the signal terminal that is used for ground connection like this, ground connection portion still conveniently with the coaxial cable in a plurality of sub-cable's shielding weaving layer direct welding simultaneously, the ground connection of whole data line has been accomplished like this, production efficiency is improved.

Description

HDMI connector, HDMI data line and preparation method thereof
Technical Field
The invention relates to the technical field of electronic equipment, in particular to an HDMI connector, an HDMI data line with a coaxial cable and a preparation method of the HDMI data line.
Background
The HDMI interface is a high definition multimedia interface, is a digital video/audio interface technology, and is a dedicated digital interface suitable for video transmission, which can simultaneously transmit audio and video signals.
The existing HDMI data line is made by connecting a coaxial cable and an HDMI connector, and the grounding of the coaxial cable needs to electrically connect a shielding braid therein with a signal terminal used for grounding in the HDMI connector so as to realize the integral grounding of the HDMI data line. Because the shielding weaving layer comprises a plurality of slight wires, consequently can't be with being used for the signal terminal direct welding of ground connection in shielding weaving layer and the HDMI connector, weld again after mostly drawing forth shielding weaving layer among the prior art, make holistic welding degree of difficulty great like this, the production efficiency of product is lower.
Thus, there is still a need for improvement and development of the prior art.
Disclosure of Invention
The invention mainly solves the technical problem that the production efficiency is low when the HDMI data line is prepared in the prior art.
An HDMI connector comprises a connector body, wherein one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with a coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the second of installation body is served and is equipped with at least one ground connection portion, including five signal terminals that are used for ground connection in a plurality of signal terminals, and at least two signal terminals that are used for ground connection second end with ground connection portion electricity is connected, ground connection portion still be used for with the coaxial cable in a plurality of sub-cable shield braid electricity be connected, the wiring end include ground connection portion and not with the second end of other signal terminals that ground connection portion is connected.
In one embodiment, the ground connection portion includes at least one ground connection face for electrically connecting to a shielding braid of a plurality of sub-cables in the coaxial cable.
In one embodiment, the ground connection portion is a ground conductive strip, and the second ends of at least two of the five signal terminals for grounding are electrically connected with the ground conductive strip; the upper surface and/or the lower surface of the grounding conducting strip are used for being electrically connected with the shielding braid of a plurality of sub-cables in the coaxial cable.
In one embodiment, the signal terminals for grounding among the plurality of signal terminals are a second terminal, a fifth terminal, an eighth terminal, an eleventh terminal and a seventeenth terminal, and the second end of the second terminal, the second end of the fifth terminal, the second end of the eighth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are all electrically connected to the grounding conductive sheet.
In one embodiment, a first grounding conductive sheet and a second grounding conductive sheet are arranged at the end part of the second end of the mounting body in parallel, and the second end of the fifth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are electrically connected with the first grounding conductive sheet in a stamping manner;
and the second end of the second terminal and the second end of the eighth terminal are electrically connected with the second grounding conducting strip in a stamping mode.
In one embodiment, the second ends of the other signal terminals which are not connected with the first and second grounding conductive sheets are arranged on the upper surface and the lower surface of the second end of the mounting body;
a plurality of wiring grooves are correspondingly formed in the upper surface and the lower surface of the second end of the mounting body, and the wire cores of a plurality of sub-cables in the coaxial cable penetrate through the wiring grooves to be electrically connected with the second ends of other corresponding signal terminals;
and the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body is electrically connected with the upper surface of the first grounding conducting strip, and the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body is electrically connected with the lower surface of the second grounding conducting strip.
An HDMI data line with a coaxial cable comprises the coaxial cable and an HDMI connector, wherein the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with the HDMI interface, and the wiring end is used for being electrically connected with the coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the second end of the mounting body is provided with at least one grounding connection part, the plurality of signal terminals comprise five signal terminals for grounding, the second ends of at least two of the five signal terminals for grounding are electrically connected with the grounding connection part, and the wiring end comprises the grounding connection part and the second ends of other signal terminals which are not connected with the grounding connection part;
the cable cores of a plurality of sub-cables of the coaxial cable are electrically connected with the second ends of other signal terminals which are not connected with the grounding connection part in a one-to-one correspondence mode, and the shielding braid layers of the plurality of sub-cables are electrically connected with the grounding connection part.
In one embodiment, the ground connection portion is a ground conductive strip, and the second ends of at least two of the five signal terminals for grounding are electrically connected with the ground conductive strip; and the shielding braid of a plurality of sub-cables in the coaxial cable is electrically connected with the upper surface and/or the lower surface of the grounding conducting strip.
In one embodiment, the signal terminals for grounding among the plurality of signal terminals are a second terminal, a fifth terminal, an eighth terminal, an eleventh terminal, and a seventeenth terminal;
a first grounding conducting strip and a second grounding conducting strip are arranged at the end part of the second end of the mounting body in parallel, and the second end of the fifth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are electrically connected with the first grounding conducting strip in a stamping mode; the second end of the second terminal and the second end of the eighth terminal are electrically connected with the second grounding conducting strip in a stamping mode;
the second ends of other signal terminals which are not connected with the first grounding conducting strip and the second grounding conducting strip are arranged on the upper surface and the lower surface of the second end of the mounting body, a plurality of wiring grooves are correspondingly arranged on the upper surface and the lower surface of the second end of the mounting body, and the wire cores of a plurality of sub-cables in the coaxial cable penetrate through the wiring grooves to be electrically connected with the second ends of other signal terminals in a one-to-one correspondence manner;
and the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body is electrically connected with the upper surface of the first grounding conducting strip, and the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body is electrically connected with the lower surface of the second grounding conducting strip.
A method for preparing an HDMI data line with a coaxial cable is provided, the HDMI data line comprises the coaxial cable and an HDMI connector, the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with the coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the preparation method comprises the following steps:
a first grounding conducting strip and a second grounding conducting strip are arranged at the end part of the second end of the mounting body in parallel;
electrically connecting a second end of a fifth terminal, a second end of an eleventh terminal and a second end of a seventeenth terminal in the plurality of signal terminals with the first grounding conducting strip in a hardware stamping mode, and electrically connecting a second end of a second terminal and a second end of an eighth terminal with the second grounding conducting strip;
correspondingly welding the wire cores of a plurality of sub-cables of the coaxial cable with the second ends of other signal terminals which are not connected with the first grounding conducting strip and the second grounding conducting strip one by one;
and welding the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body with the upper surface of the first grounding conducting strip, and welding the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body with the lower surface of the second grounding conducting strip.
According to the embodiment, the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with a coaxial cable; the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged in two rows on the installation body, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body. The second end of the installation body is provided with at least one grounding connection part, the plurality of signal terminals comprise five signal terminals used for grounding, the second ends of at least two of the five signal terminals used for grounding are electrically connected with the grounding connection part, the grounding connection part is also used for being electrically connected with the shielding braid of the plurality of sub-cables in the coaxial cable, and the wiring end comprises the grounding connection part and the second ends of other signal terminals which are not connected with the grounding connection part. Because be equipped with ground connection portion on the HDMI connector of this embodiment, ground connection portion and five second ends that are used for two at least in the signal terminal of ground connection are connected with ground connection portion electricity, need not to draw out the signal terminal that is used for ground connection one by one like this and carry out ground connection, ground connection portion still conveniently welds with the shielding braid of a plurality of sub-cables in the coaxial cable directly simultaneously, has accomplished the ground connection of whole HDMI data line like this, has improved production efficiency.
Drawings
FIG. 1 is a schematic diagram of a coaxial cable;
fig. 2 is a front view of an HDMI connector according to an embodiment of the present application;
fig. 3 is a rear view of an HDMI connector according to an embodiment of the present application;
fig. 4 is a right side view of the HDMI connector according to the embodiment of the present application;
fig. 5 is a top view of an HDMI connector according to an embodiment of the present application;
fig. 6 is a schematic diagram of an overall structure of an HDMI connector according to an embodiment of the present application;
fig. 7 is a schematic diagram illustrating the definition of each signal terminal of the conventional HDMI connector;
fig. 8 is a schematic diagram illustrating types of signals transmitted by the signal terminals of the conventional HDMI connector.
Fig. 9 is a flowchart of a method for preparing an HDMI data line according to an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning.
In order to better understand the technical solution of the present application, a structure of the coaxial cable is first described, as shown in fig. 1, the coaxial cable 45 includes a plurality of sub-cables 40, each of which includes, from inside to outside, a core 41, an insulating layer 42, a shielding braid 43 and an outer layer 44 in sequence, where the core 41 is a main body of communication and is used for connecting with a signal terminal on a connector body, and the shielding braid 43 is formed by braiding a plurality of fine wires and is mainly used for grounding and plays a role in shielding an external signal.
In the embodiment of the invention, by designing a new HDMI connector structure, the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with a coaxial cable. The connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged in two rows on the installation body, and the first ends of the signal terminals and the first ends of the installation body jointly form an HDMI interface end of the connector. The second of the installation body is served and is equipped with at least one ground connection portion, including five signal terminal that are used for ground connection in a plurality of signal terminal, and at least two second end that are used for the signal terminal of ground connection with ground connection portion electricity is connected, ground connection portion still be arranged in with the coaxial cable a plurality of sub-cable's shielding braid electricity is connected, ground connection portion and the second end of other signal terminal that are not connected with ground connection portion form the wiring end of connector jointly, need not to draw out the signal terminal that is used for ground connection one by one when preparing the HDMI data line like this and carry out ground connection, ground connection portion still conveniently welds with the shielding braid of a plurality of sub-cable in the coaxial cable directly simultaneously, the ground connection of whole HDMI data line has been accomplished like this.
The first embodiment is as follows:
the embodiment provides an HDMI connector, which includes a connector body, as shown in fig. 2, fig. 3 and fig. 6, one end of the connector body is an HDMI interface terminal 31, and the other end is a terminal, the HDMI interface terminal 31 is used for connecting with an HDMI interface on a terminal device, and the terminal is used for electrically connecting with a coaxial cable 45.
The connector body includes a mounting body 20 and 19 signal terminals disposed on the mounting body 20, and as shown in fig. 4, the 19 signal terminals are a first terminal 1, a second terminal 2, a third terminal 3, a fourth terminal 4, a fifth terminal 5, a sixth terminal 6, a seventh terminal 7, an eighth terminal 8, a ninth terminal 9, a tenth terminal 10, an eleventh terminal 11, a twelfth terminal 12, a thirteenth terminal 13, a fourteenth terminal 14, a fifteenth terminal 15, a sixteenth terminal 16, a seventeenth terminal 17, an eighteenth terminal 18 and a nineteenth terminal 19, respectively. Wherein, as shown in fig. 7 and 8, five signal terminals for grounding are included in the 19 signal terminals. The five signal terminals for grounding are the second terminal 2, the fifth terminal 5, the eighth terminal 8, the eleventh terminal 11, and the seventeenth terminal 17, respectively.
As shown in fig. 2, 3 and 4, the 19 signal terminals are arranged in two rows on the mounting body 20, and the first ends of the 19 signal terminals and the first end of the mounting body 20 together form the HDMI interface end 31 of the connector. The first end of the present embodiment is a left end based on the view angle of the front view of fig. 2, and the second end is a right end. The second end of the mounting body 20 is provided with at least one ground connection portion, the second ends of at least two of the five signal terminals for grounding are electrically connected to the ground connection portion, when the coaxial cable 45 is connected to the HDMI connector, the ground connection portion is also used for electrically connecting to the shielding braid 43 of the plurality of sub-cables 40 in the coaxial cable 45, and the ground connection portion and the second ends of the other 14 signal terminals which are not connected to the ground connection portion together form a terminal of the connector. Be equipped with ground connection connecting portion on the HDMI connector of this embodiment, ground connection connecting portion and five second ends that are arranged in two at least of the signal terminal of ground connection are connected with ground connection connecting portion electricity, need not to be used for the signal terminal of ground connection to draw out one by one like this and carry out ground connection, and ground connection connecting portion still conveniently welds with the shielding braid 43 of a plurality of sub-cable 40 in the coaxial cable 45 directly simultaneously, has accomplished the ground connection of whole HDMI data line like this, has improved production efficiency.
In one embodiment, the ground connection portion includes at least one ground connection surface for electrically connecting with the shielding braid 43 of the plurality of sub-cables 40 in the coaxial cable 45, and since the shielding braid 43 is woven by a plurality of fine wires, it is inconvenient to directly solder with the signal terminal for ground on the HDMI connector by providing the ground connection portion. The shielding braid 43 can be directly welded on the grounding connection surface, so that the welding difficulty is reduced, and the production efficiency is improved.
Preferably, the grounding connection portion of this embodiment is a grounding conductive sheet, the second ends of at least two of the five signal terminals for grounding are in short-circuit connection with the grounding conductive sheet, and the upper surface and/or the lower surface of the grounding conductive sheet is used for electrically connecting with the shielding braid 43 of the plurality of sub-cables 40 in the coaxial cable 45, so that the welding is convenient, and the production efficiency is improved. In this embodiment, the second end of the second terminal 2, the second end of the fifth terminal 5, the second end of the eighth terminal 8, the second end of the eleventh terminal 11, and the second end of the seventeenth terminal 17 are all connected to the ground conductive sheet in a short circuit manner.
Preferably, the end of the second end of the mounting body 20 of the present embodiment is parallel to two grounding conductive sheets, the two grounding conductive sheets are a first grounding conductive sheet 21 and a second grounding conductive sheet 22, respectively, and the second end of the fifth terminal 5, the second end of the eleventh terminal 11, and the second end of the seventeenth terminal 17 are all connected to the first grounding conductive sheet 21 in a short circuit manner by means of hardware stamping; the second end of the second terminal 2 and the second end of the eighth terminal 8 are electrically connected to the second grounding conductive sheet 22 by means of hardware stamping.
As shown in fig. 5, the second ends of the other fourteen signal terminals on the connector, which are not connected to the first and second grounding conductive sheets 21 and 22, are disposed on the upper and lower surfaces of the second end of the mounting body 20. For the convenience of wiring, a plurality of wiring grooves 23 are correspondingly formed on the upper surface and the lower surface of the second end of the mounting body 20 of the embodiment, and after a plurality of sub-cables 40 in the coaxial cable 45 pass through the wiring grooves 23, the cores 41 of the sub-cables 40 are electrically connected with the second ends of the corresponding signal terminals. Meanwhile, the shielding braid 43 of the sub-cable 40 located in the second end upper surface cabling slot 23 of the mounting body 20 is electrically connected to the upper surface of the first grounding conductive sheet 21, and the shielding braid 43 of the sub-cable 40 located in the second end lower surface cabling slot 23 of the mounting body 20 is electrically connected to the lower surface of the second grounding conductive sheet 22. Since the shielding braid 43 of the sub-cable 40 needs to be separated from the core 41, but the distance between the two is not too far away, so that the shielding braid 43 and the core 41 are substantially on the same plane or close to each other during welding, two grounding conductive sheets are provided in the present embodiment, the first grounding conductive sheet 21 is close to the upper surface of the mounting body 20, and the second grounding conductive sheet 22 is close to the lower surface of the mounting body 20, which facilitates welding of the shielding braid 43 of the sub-cable 40 provided on the upper surface and the lower surface of the mounting body 20.
In another embodiment, a grounding conductive plate may be disposed at the end of the second end of the mounting body 20, and the thickness of the grounding conductive plate is set as thick as possible, so that the upper surface and the lower surface of the grounding conductive plate are closer to the upper surface and the lower surface of the mounting body 20, and the shielding braid 43 of the sub-cable 40 is also easily soldered.
Further, the HDMI connector of this embodiment still includes the casing 30 that is used for wrapping up the connector body, still is equipped with installation setting element 24 at the tip of the second end of installation body 20 simultaneously, and installation setting element 24 is convenient and the constant head tank cooperation on the coaxial cable 45, realizes fixing a position the installation fast, has also improved production efficiency.
The mounting body 20 in the HDMI connector of the present embodiment is made of an insulating material, for example, the mounting body 20 may be made of a polyester material for preparing a PCB, the first grounding conductive strip 21 and the second grounding conductive strip 22 are made of a conductive material, and the first grounding conductive strip 21 and the second grounding conductive strip 22 may be directly fixed into a whole by glue in production.
Through the HDMI connector that this embodiment provided, made things convenient for the welding of the shielding braid 43 of the sub-cable 40 in the coaxial cable 45, improved production efficiency.
Example two
The embodiment provides an HDMI data line with a coaxial cable, the HDMI data line includes a coaxial cable 45 and an HDMI connector, one end of the connector body is an HDMI interface end 31, and the other end is a terminal. The connector body includes a mounting body 20 and 19 signal terminals provided on the mounting body 20. The 19 signal terminals are arranged in two rows on the mounting body 20, and the first ends of the 19 signal terminals and the first end of the mounting body 20 together form an HDMI interface end 31 of the connector. The second end of the mounting body 20 is provided with at least one ground connection portion, the 19 signal terminals include five signal terminals for grounding, the five signal terminals for grounding are respectively the second terminal 2, the fifth terminal 5, the eighth terminal 8, the eleventh terminal 11 and the seventeenth terminal 17, the second ends of at least two of the five signal terminals for grounding are electrically connected with the ground connection portion, when the coaxial cable 45 is connected with the HDMI connector, the ground connection portion is further used for being electrically connected with the shielding braid 43 of the plurality of sub-cables 40 in the coaxial cable 45, and the ground connection portion and the second ends of the other 14 signal terminals which are not connected with the ground connection portion together form a terminal of the connector. Be equipped with ground connection connecting portion on the HDMI connector of this embodiment, ground connection connecting portion and five second ends that are arranged in two at least of the signal terminal of ground connection are connected with ground connection connecting portion electricity, need not to be used for the signal terminal of ground connection to draw out one by one like this and carry out ground connection, and ground connection connecting portion still conveniently welds with the shielding braid 43 of a plurality of sub-cable 40 in the coaxial cable 45 directly simultaneously, has accomplished the ground connection of whole HDMI data line like this, has improved production efficiency.
The core 41 of the sub-cables 40 of the coaxial cable 45 is electrically connected to the second ends of the other fourteen signal terminals which are not connected to the ground connection portion in a one-to-one correspondence manner, and the shielding braid 43 of the sub-cables 40 is welded to the ground connection portion, thereby achieving the grounding of the HDMI data line.
Specifically, the ground connection portion of this embodiment is the ground conducting strip, and the second end and the ground conducting strip short circuit connection of at least two in five signal terminals that are used for ground connection, and the upper surface and/or the lower surface of ground conducting strip are used for being connected with the shielding braid 43 electricity of a plurality of sub-cable 40 in coaxial cable 45, make things convenient for the welding like this, have improved production efficiency. In this embodiment, the second end of the second terminal 2, the second end of the fifth terminal 5, the second end of the eighth terminal 8, the second end of the eleventh terminal 11, and the second end of the seventeenth terminal 17 are all connected to the ground conductive sheet in a short circuit manner.
Preferably, the end of the second end of the mounting body 20 of the present embodiment is parallel to two grounding conductive sheets, the two grounding conductive sheets are a first grounding conductive sheet 21 and a second grounding conductive sheet 22, respectively, and the second end of the fifth terminal 5, the second end of the eleventh terminal 11, and the second end of the seventeenth terminal 17 are all connected to the first grounding conductive sheet 21 in a short circuit manner by means of hardware stamping; the second end of the second terminal 2 and the second end of the eighth terminal 8 are electrically connected to the second grounding conductive sheet 22 by means of hardware stamping.
Wherein the second ends of the other fourteen signal terminals on the connector, which are not connected to the first and second ground conductive sheets 21 and 22, are disposed on the upper and lower surfaces of the second end of the mounting body 20. For the convenience of wiring, a plurality of wiring grooves 23 are correspondingly formed on the upper surface and the lower surface of the second end of the mounting body 20 of the embodiment, and after a plurality of sub-cables 40 in the coaxial cable 45 pass through the wiring grooves 23, the cores 41 of the sub-cables 40 are electrically connected with the second ends of the corresponding signal terminals. Meanwhile, the shielding braid 43 of the sub-cable 40 located in the second end upper surface cabling slot 23 of the mounting body 20 is electrically connected to the upper surface of the first grounding conductive sheet 21, and the shielding braid 43 of the sub-cable 40 located in the second end lower surface cabling slot 23 of the mounting body 20 is electrically connected to the lower surface of the second grounding conductive sheet 22. Since the shielding braid 43 of the sub-cable 40 needs to be separated from the core 41, but the distance between the two is not too far away, so that the shielding braid 43 and the core 41 are substantially on the same plane or close to each other during welding, two grounding conductive sheets are provided in the present embodiment, the first grounding conductive sheet 21 is close to the upper surface of the mounting body 20, and the second grounding conductive sheet 22 is close to the lower surface of the mounting body 20, which facilitates welding of the shielding braid 43 of the sub-cable 40 provided on the upper surface and the lower surface of the mounting body 20.
EXAMPLE III
The embodiment provides a method for preparing an HDMI data line with a coaxial cable, the HDMI data line comprises a coaxial cable 45 and an HDMI connector, the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end 31, the other end of the connector body is a terminal, the HDMI interface end 31 is used for being connected with an HDMI interface, and the terminal is used for being electrically connected with the coaxial cable.
The connector body comprises a mounting body 20 and 19 signal terminals arranged on the mounting body 20, the 19 signal terminals are arranged on the mounting body 20 in two rows, and first ends of the 19 signal terminals and first ends of the mounting body 20 jointly form an HDMI interface end 31 of the connector.
As shown in fig. 9, the preparation method of this embodiment includes:
step 301: a first grounding conducting strip and a second grounding conducting strip are arranged at the end part of the second end of the mounting body in parallel;
step 302: electrically connecting a second end of a fifth terminal, a second end of an eleventh terminal and a second end of a seventeenth terminal in the plurality of signal terminals with the first grounding conducting strip in a hardware stamping mode, and electrically connecting a second end of the second terminal and a second end of an eighth terminal with the second grounding conducting strip;
step 303: correspondingly electrically welding the wire cores of a plurality of sub-cables of the coaxial cable with the second ends of other signal terminals which are not connected with the first grounding conducting strip and the second grounding conducting strip one by one;
step 304: and welding the shielding braid of the sub-cable positioned in the upper surface wiring groove at the second end of the mounting body with the upper surface of the first grounding conducting strip, and welding the shielding braid of the sub-cable positioned in the lower surface wiring groove at the second end of the mounting body with the lower surface of the second grounding conducting strip.
Through the preparation method of the embodiment, the grounding welding of the shielding braid of the sub-cable and the signal terminal for grounding of the connector is facilitated, and the production efficiency of the HDMI data line is improved.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims (10)

1. The HDMI connector is characterized by comprising a connector body, wherein one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with a coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the second of installation body is served and is equipped with at least one ground connection portion, including five signal terminals that are used for ground connection in a plurality of signal terminals, and at least two signal terminals that are used for ground connection second end with ground connection portion electricity is connected, ground connection portion still be used for with the coaxial cable in a plurality of sub-cable shield braid electricity be connected, the wiring end include ground connection portion and not with the second end of other signal terminals that ground connection portion is connected.
2. The HDMI connector of claim 1, wherein said ground connection comprises at least one ground connection face for electrically connecting to a shielding braid of a plurality of sub-cables of a coaxial cable.
3. The HDMI connector of claim 1, wherein said ground connection is a ground conductive strip, and second ends of at least two of said five signal terminals for grounding are electrically connected to said ground conductive strip; the upper surface and/or the lower surface of the grounding conducting strip are used for being electrically connected with the shielding braid of a plurality of sub-cables in the coaxial cable.
4. The HDMI connector of claim 3, wherein the signal terminals for grounding among the plurality of signal terminals are a second terminal, a fifth terminal, an eighth terminal, an eleventh terminal and a seventeenth terminal, and the second end of the second terminal, the second end of the fifth terminal, the second end of the eighth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are electrically connected to the grounding conductive sheet.
5. The HDMI connector of claim 4, wherein a first grounding conductive plate and a second grounding conductive plate are disposed in parallel at an end of the second end of the mounting body, and the second end of the fifth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are electrically connected to the first grounding conductive plate by stamping;
and the second end of the second terminal and the second end of the eighth terminal are electrically connected with the second grounding conducting strip in a stamping mode.
6. The HDMI connector of claim 5, wherein second ends of other signal terminals not connected to said first and second ground conductive pads are provided on upper and lower surfaces of said mounting body second end;
a plurality of wiring grooves are correspondingly formed in the upper surface and the lower surface of the second end of the mounting body, and the wire cores of a plurality of sub-cables in the coaxial cable penetrate through the wiring grooves to be electrically connected with the second ends of other corresponding signal terminals;
and the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body is electrically connected with the upper surface of the first grounding conducting strip, and the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body is electrically connected with the lower surface of the second grounding conducting strip.
7. The HDMI data line with the coaxial cable is characterized by comprising the coaxial cable and an HDMI connector, wherein the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with the HDMI interface, and the wiring end is used for being electrically connected with the coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the second end of the mounting body is provided with at least one grounding connection part, the plurality of signal terminals comprise five signal terminals for grounding, the second ends of at least two of the five signal terminals for grounding are electrically connected with the grounding connection part, and the wiring end comprises the grounding connection part and the second ends of other signal terminals which are not connected with the grounding connection part;
the cable cores of a plurality of sub-cables of the coaxial cable are electrically connected with the second ends of other signal terminals which are not connected with the grounding connection part in a one-to-one correspondence mode, and the shielding braid layers of the plurality of sub-cables are electrically connected with the grounding connection part.
8. The HDMI data line of claim 7, wherein said ground connection is a ground conductive strip, and second ends of at least two of said five signal terminals for grounding are electrically connected to said ground conductive strip; and the shielding braid of a plurality of sub-cables in the coaxial cable is electrically connected with the upper surface and/or the lower surface of the grounding conducting strip.
9. The HDMI data line of claim 8, wherein the signal terminals of said plurality of signal terminals for ground are a second terminal, a fifth terminal, an eighth terminal, an eleventh terminal, and a seventeenth terminal;
a first grounding conducting strip and a second grounding conducting strip are arranged at the end part of the second end of the mounting body in parallel, and the second end of the fifth terminal, the second end of the eleventh terminal and the second end of the seventeenth terminal are electrically connected with the first grounding conducting strip in a stamping mode; the second end of the second terminal and the second end of the eighth terminal are electrically connected with the second grounding conducting strip in a stamping mode;
the second ends of other signal terminals which are not connected with the first grounding conducting strip and the second grounding conducting strip are arranged on the upper surface and the lower surface of the second end of the mounting body, a plurality of wiring grooves are correspondingly arranged on the upper surface and the lower surface of the second end of the mounting body, and the wire cores of a plurality of sub-cables in the coaxial cable penetrate through the wiring grooves to be electrically connected with the second ends of other signal terminals in a one-to-one correspondence manner;
and the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body is electrically connected with the upper surface of the first grounding conducting strip, and the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body is electrically connected with the lower surface of the second grounding conducting strip.
10. A method for preparing an HDMI data line with a coaxial cable is provided, the HDMI data line comprises the coaxial cable and an HDMI connector, the HDMI connector comprises a connector body, one end of the connector body is an HDMI interface end, the other end of the connector body is a wiring end, the HDMI interface end is used for being connected with an HDMI interface, and the wiring end is used for being electrically connected with the coaxial cable;
the connector body comprises an installation body and a plurality of signal terminals arranged on the installation body, the signal terminals are arranged on the installation body in two rows, and the HDMI interface end comprises first ends of the signal terminals and first ends of the installation body;
the preparation method is characterized by comprising the following steps:
a first grounding conducting strip and a second grounding conducting strip are arranged at the end part of the second end of the mounting body in parallel;
electrically connecting a second end of a fifth terminal, a second end of an eleventh terminal and a second end of a seventeenth terminal in the plurality of signal terminals with the first grounding conducting strip in a hardware stamping mode, and electrically connecting a second end of a second terminal and a second end of an eighth terminal with the second grounding conducting strip;
correspondingly welding the wire cores of a plurality of sub-cables of the coaxial cable with the second ends of other signal terminals which are not connected with the first grounding conducting strip and the second grounding conducting strip one by one;
and welding the shielding braid of the sub-cable positioned in the wiring groove on the upper surface of the second end of the mounting body with the upper surface of the first grounding conducting strip, and welding the shielding braid of the sub-cable positioned in the wiring groove on the lower surface of the second end of the mounting body with the lower surface of the second grounding conducting strip.
CN202010519381.XA 2020-06-09 2020-06-09 HDMI connector, HDMI data line and preparation method thereof Pending CN111585112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010519381.XA CN111585112A (en) 2020-06-09 2020-06-09 HDMI connector, HDMI data line and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010519381.XA CN111585112A (en) 2020-06-09 2020-06-09 HDMI connector, HDMI data line and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111585112A true CN111585112A (en) 2020-08-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202308489U (en) * 2011-10-11 2012-07-04 东莞市奕联实业有限公司 Novel improved structure of high-definition multimedia interface (HDMI) connector
CN103262360A (en) * 2010-12-09 2013-08-21 索尼公司 Connector, cable, transmission device, reception device, and method of manufacturing connector
CN204947241U (en) * 2015-07-20 2016-01-06 东莞市铭基电子有限公司 Cable connector plug and socket thereof
CN110690609A (en) * 2019-11-09 2020-01-14 苏州矽米亚尔电子有限公司 HDMI interface

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103262360A (en) * 2010-12-09 2013-08-21 索尼公司 Connector, cable, transmission device, reception device, and method of manufacturing connector
CN202308489U (en) * 2011-10-11 2012-07-04 东莞市奕联实业有限公司 Novel improved structure of high-definition multimedia interface (HDMI) connector
CN204947241U (en) * 2015-07-20 2016-01-06 东莞市铭基电子有限公司 Cable connector plug and socket thereof
CN110690609A (en) * 2019-11-09 2020-01-14 苏州矽米亚尔电子有限公司 HDMI interface

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