CN207398390U - Hdmi connector - Google Patents
Hdmi connector Download PDFInfo
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- CN207398390U CN207398390U CN201721460104.6U CN201721460104U CN207398390U CN 207398390 U CN207398390 U CN 207398390U CN 201721460104 U CN201721460104 U CN 201721460104U CN 207398390 U CN207398390 U CN 207398390U
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Abstract
The utility model is related to a kind of HDMI connector, including terminal assemblies and cable-assembly；Terminal assemblies include carrying glue core, several connection terminals and ground strip；Connection terminal includes several signal terminals and several ground terminals；Ground strip includes substrate, several lugs and feeler, and feeler corresponds to welding ground terminal；Cable-assembly includes several cables, and cable includes several signal transmssion lines, and signal transmssion line corresponds to welding signal terminal.Above-mentioned HDMI connector, add ground strip, ground strip includes substrate, several lugs from the projection of substrate one side and the feeler from lug extension, feeler corresponds to welding ground terminal, signal transmssion line corresponds to welding signal terminal, it is set between the side of lug and substrate in relative tilt, relatively reduce the distance of signal transmssion line and ground terminal, the coupled capacitor between signal transmssion line can effectively be mitigated, also the characteristic impedance value of signal transmssion line can be changed, so as to ensure the efficient, stable of signal transmission.
Description
Technical field
The utility model is related to computer fittings technical field, more particularly to a kind of HDMI connector.
Background technology
With the rapid development of electronic product, electric power connector plays very important effect, to the performance of connector
It is it is required that also higher and higher.HDMI (English：High Definition Multimedia Interface, high-definition multimedia
Interface) it is a kind of digitized video/audio interface technology, only need a HDMI wire that can transmit Voice and Video letter simultaneously
Number, it is connected without a plurality of wire rod, simplifies the installation of household audio and video system, while without being carried out before signal transmits
D/A or analog/digital conversion.
General HDMI is to utilize manually to wind substantial amounts of copper foil in the weld of plug and cable, product is made to play screen
The effect covered, but such shielding mode, shield effectiveness is poor, and transmission line easily generates crosstalk between each other so that the biography of signal
Defeated efficiency reduces.
Utility model content
Based on this, the utility model provides a kind of HDMI connector, portable construction, string that can be effectively between controlling transmission line
It disturbs, improves the efficiency of transmission of signal.
In order to realize the purpose of this utility model, the utility model adopts the following technical solution：
A kind of HDMI connector including terminal assemblies and is connected to the cable-assembly of described terminal assemblies one end；The end
Sub-component includes carrying glue core, several connection terminals for being inserted in the carrying glue in-core and connects connecing for the connection terminal
Ground piece；The connection terminal includes several signal terminals and several ground terminals；The ground strip includes substrate, from the substrate
Several lugs of one side projection and the feeler extended from the lug, the feeler, which corresponds to, welds the ground terminal；It is described convex
The side of piece is set with the substrate in relative tilt；The cable-assembly includes several cables, and the cable includes welding institute
State the insulating layer of the core of connection terminal, the shielded layer of the cladding core and the cladding shielded layer；If the cable includes
Dry signal transmssion line, the signal transmssion line, which corresponds to, welds the signal terminal；The signal transmssion line is with the feeler in flat
Row is set, and the insulating layer of the signal transmssion line is sticked the substrate.
Above-mentioned HDMI connector, adds ground strip, ground strip includes substrate, from several lugs of substrate one side projection and
The feeler extended from lug, feeler correspond to welding ground terminal, and signal transmssion line corresponds to welding signal terminal, the side of lug and
It is set between substrate in relative tilt, relatively reduces the distance of signal transmssion line and ground terminal, can effectively mitigate signal
Coupled capacitor between transmission line can also change the characteristic impedance value of signal transmssion line, so as to ensure the efficient, steady of signal transmission
It is fixed.
In one of the embodiments, the HDMI connector further include be sheathed on described terminal assemblies one end gum cover,
It is arranged the connection shell of the gum cover and is arranged the casing assembly of the terminal assemblies and the cable-assembly.
In one of the embodiments, the gum cover includes gum cover main body, the opposite sides from described gum cover main body one end
The flank that protrudes out respectively and several locating pieces that projection is respectively separated from the opposite end of the flank；The gum cover main body is set
There is main straight slot and enclose several catching grooves arranged on the main straight slot opposite sides；The catching groove correspondence inwardly connects the main straight slot；
The inserted terminal of the connection terminal wears the main straight slot, and the bending part corresponding inserted of the inserted terminal is in the catching groove.
In one of the embodiments, it is respectively equipped with locating slot on the opposite sides face of the carrying glue core；The positioning
Slot corresponds to the flank.
In one of the embodiments, recess, the carrying are further respectively had on the opposite sides face of the carrying glue core
The recess is corresponded on glue core and is convexly equipped with fixture block, with the connection shell that is located by connecting.
In one of the embodiments, the connection shell includes being arranged the connection shell main body of the gum cover main body and from institute
State the shrapnel of the opposite sides difference projection of connection shell main body one end；The shrapnel correspondence is worn between the locating piece；It is described
The card hole of the corresponding fixture block is additionally provided on shrapnel, the card hole is corresponding with the fixture block to be fastened.
In one of the embodiments, the shrapnel is an integral molding structure setting with the connection shell main body.
In one of the embodiments, the cable-assembly further includes the wire bushing for coating the cable and is attached at institute
State the line winder of cable one end；The line winder wraps up each cable.
In one of the embodiments, the casing assembly includes the first shell and matches the second housing of the first shell；
First shell has the first bending part of the corresponding locating piece close to one end of the connection shell, and first shell is remote
One end from the connection shell has corresponding the first fixed part for clamping the wire bushing；The two lateral walls of first shell
It is respectively equipped with several buttonholes.
In one of the embodiments, the second housing has the corresponding locating piece close to one end of the connection shell
The second bending part, the one end of the second housing away from the connection shell, which has, corresponding to be clamped the second of the wire bushing and fixes
Portion；Two lateral walls difference several snapping feet of projection of the second housing, the snapping foot is corresponding with the buttonhole to be fastened.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the HDMI connector of one better embodiment of the utility model；
Fig. 2 is the stereoscopic schematic diagram at another visual angle of HDMI connector shown in FIG. 1；
Fig. 3 is the decomposition diagram of HDMI connector shown in FIG. 1；
Fig. 4 is the inside connection diagram of HDMI connector shown in FIG. 1；
Fig. 5 is the fundamental diagram of the ground strip of HDMI connector shown in FIG. 1；
Fig. 6 is the schematic diagram of the ground strip of HDMI connector shown in FIG. 1；
Attached drawing marks explanation：
10- terminal assemblies, 11- carrying glue cores, 12- connection terminals, 121- signal terminals, 122- ground terminals, 13- ground connection
Piece, 131- substrates, 132- lugs, 133- feelers, 14- locating slots, 15- recess, 16- fixture blocks；
20- gum covers, 21- gum cover main bodys, 22- flanks, 23- locating pieces, the main straight slots of 24-, 25- catching grooves；
30- cable-assemblies, 31- wire bushings, 32- cables, 320- signal transmssion lines, 33- cores, 34- shielded layers, 35- are exhausted
Edge layer, 36- glue, 37- line winders；
40- connection shells, 41- connection shell main bodys, 42- shrapnels, 420- card holes；
50- casing assemblies, the first shells of 51-, 52- second housings, the first bending parts of 53-, the first fixed parts of 54-, 55- buttons
Connect hole, the second bending parts of 56-, the second fixed parts of 57-, 58- snapping feet.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model
Open the understanding more thorough and comprehensive of content.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Please refer to Fig.1 to Fig. 6, be one better embodiment of the utility model HDMI connector, including terminal assemblies 10,
The gum cover 20 of 10 one end of terminal assemblies is sheathed on, the cable-assembly 30 of 10 other end of terminal assemblies is connected to, is arranged gum cover 20
Connection shell 40 and the casing assembly 50 for being arranged terminal assemblies 10 and cable-assembly 30.
The terminal assemblies 10 include carrying glue core 11, several connection terminals 12 being inserted in carrying glue core 11 and connect
Connect the ground strip 13 of the connection terminal 12.The opposite sides face of carrying glue core 11 is respectively equipped with locating slot 14, to be correspondingly connected with glue
Set 20.Further, in the present embodiment, carry and further respectively have recess 15 on the opposite sides face of glue core 11, carry glue core
The 15 projection fixture block 16 of recess is corresponded on 11, shell 40 is connected with location and installation.
In the present embodiment, connection terminal 12 include several signal terminals 121, several ground terminals 122 and it is several other
Terminal.
As shown in figure 5, ground strip 13 includes substrate 131, from several lugs 132 of 131 one side projection of substrate and from lug
The feeler 133 of 132 extensions, feeler 133 correspond to welding ground terminal 122.In the present embodiment, the side of the lug 132 with
Substrate 131 is set in relative tilt, from the view shown in Fig. 6, each 132 trapezoidal setting of lug.
The gum cover 20 include the flank 22 that gum cover main body 21, the opposite sides from 21 one end of gum cover main body protrude out respectively,
And several locating pieces 23 of projection are respectively separated from the opposite end of flank 22.Gum cover main body 21 is equipped with main straight slot 24 and encloses and sets
In several catching grooves 25 of main 24 opposite sides of straight slot, each catching groove 25, which corresponds to, inwardly connects main straight slot 24.During installation, flank 22 corresponds to
Locating slot 14, the inserted terminal of connection terminal 12 wears main straight slot 24, and the bending part corresponding inserted of each inserted terminal is in each catching groove 25
In.
The cable-assembly 30 includes wire bushing 31 and several cables 32 being coated in wire bushing 31, and cable 32 includes weldering
The insulating layer 35 of the core 33 of connecting terminal 12, the shielded layer 34 of cladding core and cladding shielded layer 34 in succession.In the present embodiment
In, cable 32 includes several signal transmssion lines 320 and other connecting lines, and signal transmssion line 320 corresponds to welding signal terminal 121.
Signal transmssion line 320 is set in parallel with feeler 133, and the insulating layer 35 of signal transmssion line 320 is sticked substrate 131, and passes through
36 grade of glue carries out adhesion and fixes.Cable-assembly 30 further includes the line winder 37 for being attached at 10 one end of terminal assemblies, line winder 37
Each cable 32 is wrapped up, ensures that cable 32 is consolidated with connection terminal 12 and is connected in an orderly manner.
As shown in figure 5, for ease of description, the side of lug 132 is denoted as a, due to the side a and substrate of lug 132
131 are set in relative tilt so that the relative distance d of signal transmssion line 320 over the ground reduces.
According to simple capacitance equationWherein, C is capacitance, and ε is permittivity of vacuum, and S is the area of electrode plate, d
It is the distance between electrode plate, derive and learn, direct-to-ground capacitance C and the relative distance d of signal end are inversely proportional, and can increase signal
The size of the direct-to-ground capacitance C at end.
In addition, the relative distance d of signal transmssion line 320 over the ground reduces, connect beneficial to the noise on signal end is directed to
On ground terminal 122, mitigate the capacitive coupling between signal transmssion line 320, i.e. decoupling, have gain effect to the transmission of stablizing of signal
Fruit.
In addition, the characteristic impedance value of transmission line and the distance to the ground of transmission line are inversely proportional, therefore, the side of lug 132 is adjusted
The relative dip angle of side a and substrate 131 change the distance to the ground of signal transmssion line 320, also just change signal transmssion line
320 characteristic impedance value.Since signal transmssion line must carry out characteristic impedance value control, if controlled without characteristic impedance value
When, the signal " reflection " that generates in the line, the signal that meeting " counteracting " is being transmitted.Therefore, the side of lug 132 can be adjusted
The relative dip angle of a and substrate 131, the opposite characteristic impedance value for adjusting signal transmssion line 320 and then reduction crosstalk, ensure steady
Fixed, efficient effectiveness.
The connection shell 40 includes being arranged the connection shell main body 41 of gum cover main body 21 and the phase from 41 one end of connection shell main body
To the shrapnel 42 that both sides protrude out respectively, shrapnel 42 is an integral molding structure setting with being connected shell main body 41.The width pair of shrapnel 42
The spacing between locating piece 23 is answered, the card hole 420 of corresponding fixture block 16 is additionally provided on shrapnel 42, in assembling, connection shell main body 41
Be arranged gum cover main body 21, between shrapnel 42 wears locating piece 23, card hole 420 it is corresponding with fixture block 16 fasten, realize connection shell 40 with
The connection installation of gum cover 20, terminal assemblies 10.
The casing assembly 50 includes the first shell 51 and matches the second housing 52 of the first shell 51.First shell 51
There is the first bending part 53 of corresponding locating piece 23 close to one end of connection shell 40, to be fixedly connected with gum cover 20；First shell 51
One end away from connection shell 40 has corresponding the first fixed part 54 for gripping wire bushing 31；Further, in the present embodiment
In, the two lateral walls of the first shell 51 are respectively equipped with several buttonholes 55, to connect second housing 52.
Second housing 52 has the second bending part 56 of corresponding locating piece 23 close to one end of connection shell 40, to be fixedly connected
Gum cover 20；The one end of second housing away from connection shell 40 has corresponding the second fixed part 57 for gripping wire bushing 31；Into one
Several snapping feet 58 of projection, snapping foot 58 and buttonhole are distinguished in step ground, in the present embodiment, the two lateral walls of second housing 52
55 correspond to fastening, realize the connection installation of 52 and first shell 51 of second housing.
Above-mentioned HDMI connector adds ground strip 13, if ground strip 13 includes substrate 131, from 131 one side projection of substrate
Dry lug 132 and the feeler 133 extended from lug 132, feeler 133 correspond to welding ground terminal 122, and signal transmssion line 320 is right
Welding signal terminal 121 is answered, is set between the side a of lug 132 and substrate 131 in relative tilt, relatively reduces signal biography
The distance of defeated line 320 and ground terminal 122, can effectively mitigate the coupled capacitor between signal transmssion line 320, can also change letter
The characteristic impedance value of number transmission line 320, so as to ensure signal transmission it is efficient, stablize.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of HDMI connector, which is characterized in that including terminal assemblies and be connected to the cable set of described terminal assemblies one end
Part；The terminal assemblies include carrying glue core, are inserted in several connection terminals of the carrying glue in-core and the connection connection
The ground strip of terminal；The connection terminal includes several signal terminals and several ground terminals；The ground strip include substrate, from
Several lugs of substrate one side projection and the feeler extended from the lug, the feeler, which corresponds to, welds the ground terminal
Son；The side of the lug is set with the substrate in relative tilt；The cable-assembly includes several cables, the cable bag
Include the insulating layer of the core for welding the connection terminal, the shielded layer of the cladding core and the cladding shielded layer；The line
Cable includes several signal transmssion lines, and the signal transmssion line, which corresponds to, welds the signal terminal；The signal transmssion line with it is described
Feeler is set in parallel, and the insulating layer of the signal transmssion line is sticked the substrate.
2. HDMI connector according to claim 1, which is characterized in that further include and be sheathed on described terminal assemblies one end
Gum cover, the connection shell for being arranged the gum cover and the casing assembly for being arranged the terminal assemblies and the cable-assembly.
3. HDMI connector according to claim 2, which is characterized in that the gum cover includes gum cover main body, from the glue
The flank and be respectively separated the several fixed of projection from the opposite end of the flank that the opposite sides of set main body one end protrudes out respectively
Position block；The gum cover main body is equipped with main straight slot and encloses several catching grooves arranged on the main straight slot opposite sides；The catching groove corresponds to
Inwardly connect the main straight slot；The inserted terminal of the connection terminal wears the main straight slot, and the bending part of the inserted terminal corresponds to
It is inserted in the catching groove.
4. HDMI connector according to claim 3, which is characterized in that on the opposite sides face of the carrying glue core respectively
Equipped with locating slot；The locating slot corresponds to the flank.
5. HDMI connector according to claim 4, which is characterized in that also divide on the opposite sides face of the carrying glue core
She You it not be recessed, corresponding to the recess on the carrying glue core is convexly equipped with fixture block, with the connection shell that is located by connecting.
6. HDMI connector according to claim 5, which is characterized in that the connection shell includes being arranged the gum cover main body
Connection shell main body and opposite sides difference projection from described connection shell main body one end shrapnel；The shrapnel correspondence is worn
Between the locating piece；The card hole of the corresponding fixture block is additionally provided on the shrapnel, the card hole is corresponding with the fixture block to be fastened.
7. HDMI connector according to claim 6, which is characterized in that the shrapnel is integrated with the connection shell main body
Molding structure is set.
8. HDMI connector according to claim 3, which is characterized in that the cable-assembly further includes the cladding cable
Wire bushing and be attached at the line winder of described cable one end；The line winder wraps up each cable.
9. HDMI connector according to claim 8, which is characterized in that the casing assembly include the first shell and
Second housing with the first shell；First shell has the first of the corresponding locating piece close to one end of the connection shell
Bending part, the one end of first shell away from the connection shell have corresponding the first fixed part for clamping the wire bushing；Institute
The two lateral walls for stating the first shell are respectively equipped with several buttonholes.
10. HDMI connector according to claim 9, which is characterized in that the second housing is close to the connection shell
One end has the second bending part of the corresponding locating piece, and the one end of the second housing away from the connection shell has corresponding press from both sides
Hold the second fixed part of the wire bushing；Two lateral walls difference several snapping feet of projection of the second housing, the snapping
Foot is corresponding with the buttonhole to be fastened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460104.6U CN207398390U (en) | 2017-11-03 | 2017-11-03 | Hdmi connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460104.6U CN207398390U (en) | 2017-11-03 | 2017-11-03 | Hdmi connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207398390U true CN207398390U (en) | 2018-05-22 |
Family
ID=62324794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460104.6U Active CN207398390U (en) | 2017-11-03 | 2017-11-03 | Hdmi connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207398390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034443A (en) * | 2019-02-18 | 2019-07-19 | 济宁市海富电子科技有限公司 | A kind of HDMI cable |
-
2017
- 2017-11-03 CN CN201721460104.6U patent/CN207398390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034443A (en) * | 2019-02-18 | 2019-07-19 | 济宁市海富电子科技有限公司 | A kind of HDMI cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000 Room 101, No.88, Pingshan Industrial Road, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Guangdong Mingji High Tech Electronics Co., Ltd Address before: No. 93, 188 Industrial Avenue, Pingshan industrial area, Tangxia Town, Dongguan, Guangdong Patentee before: Dongguan Ming Ji electronics technology Group Co., Ltd |
|
| CP03 | Change of name, title or address |