CN209843997U - HDMI terminal structure - Google Patents
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- CN209843997U CN209843997U CN201920629689.2U CN201920629689U CN209843997U CN 209843997 U CN209843997 U CN 209843997U CN 201920629689 U CN201920629689 U CN 201920629689U CN 209843997 U CN209843997 U CN 209843997U
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Abstract
The utility model discloses a HDMI terminal structure, the HDMI terminal structure includes the first terminal and the second terminal which are formed by upper and lower bisection tearing mode and are distributed in a staggered way, the first terminal includes the first contact part, the first main body part and the first welding leg which are bent and are fixed as a whole and connected in sequence; the second terminal comprises a second contact part, a second bent main body part and a second welding leg which are fixed into a whole and connected in sequence; the first contact part end of the first terminal and the second contact part end of the second terminal are integrally connected to the side edge of the first material belt, and the first contact part and the first main body part are respectively distributed with the second contact part and the second main body part in a staggered manner in an upper layer and a lower layer and form an interval; the first welding feet of the first terminal and the second welding feet of the second terminal are staggered and distributed in a row and are integrally connected with the side edge of the second material belt; and the second terminal is bent to form a residual material bending part, so that the lengths of the first terminal and the second terminal after being straightened are equal.
Description
The technical field is as follows:
the utility model relates to an electronic telecommunication technical field refers in particular to a HDMI terminal structure.
Background art:
a High Definition Multimedia Interface (english: High Definition Multimedia Interface, abbreviated as "hdmi") is a fully digital video and audio transmission Interface, which can transmit uncompressed audio and video signals. The HDMI can be used for set-top boxes, DVD players, personal computers, video players, comprehensive amplifiers, digital audio devices, televisions and other equipment. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplifies the installation degree of difficulty of system's circuit greatly.
HDMI is designed to replace older analog signal audio-visual transmission interfaces such as SCART or RCA terminals. It supports various television and computer video formats including SDTV, HDTV video pictures, plus multi-channel digital audio. Both HDMI and UDI without audio transmission function inherit the core technology of "transmission minimized differential signaling" TMDS of DVI, and remain extensions of DVI in nature. The video contents of DVI, HDMI and UDI are transmitted in an instant and special line mode, so that the phenomenon of blockage can not occur when the video flow is large. Each pixel data amount is 24 bits. The timing of the signals is very similar to VGA. The frame is sent in a line-by-line mode, a specific blank time (similar to an analog scanning line) is added after each line and frame are sent, data 'Micro-Packet Architecture' is not changed, and only the changed part of the two frames of the frame before and after the frame is updated.
With the increasing display size of televisions and the increasing screen image quality and definition, the data of the high-definition images transmitted by the HDMI serving as the display device is increasing, and the transmission speed is gradually increased. For example, an 8K television has 8K resolution, and the resolution of 8K ultra-high definition (7680 × 4320) is 16 times higher than the resolution of 1920 × 1080, and the definition is 16 times that of a blue-ray plate.
In the prior art, an HDMI interface (HDMI connector) comprises an HDMI terminal structure, wherein the HDMI terminal structure comprises a plurality of upper terminals and lower terminals located below the upper terminals, the upper terminals and the lower terminals are generally manufactured separately during manufacturing, specifically, two sets of dies are adopted to respectively perform punching forming on two metal sheets so as to manufacture the upper terminals and the lower terminals with different forming structures, and the number of the used dies is large, the cost is high, and the efficiency is low; still another mode of manufacture is: adopt one set of mould to die-cut shaping upper terminal and lower floor's terminal simultaneously to a slice sheetmetal, then, the upper terminal and the lower floor's terminal of making only one end connect on a material area, the other end of this upper terminal and lower floor's terminal is unsettled, and because the quantity of upper terminal and lower floor's terminal is more in HDMI interface (HDMI connector), and the size is thinner, it is stable to lead to unsettled another tip in upper terminal and the lower floor's terminal, easily rock, its equipment of whole HDMI interface (HDMI connector) of not being convenient for, for example, when the terminal moulds plastics the plastic seat in the HDMI interface (HDMI connector) in the mould, be not convenient for fix a position upper terminal and lower floor's terminal. In addition, the upper layer terminal and the lower layer terminal manufactured by the two manufacturing methods are only distributed in an upper layer and a lower layer at the contact part, and the main body parts and the welding parts of the upper layer terminal and the lower layer terminal are all distributed in parallel according to a row, so that most of the structures of the upper layer terminal and the lower layer terminal are combined into a row, the upper layer terminal and the lower layer terminal can achieve the crosstalk prevention effect only at the contact part, but other parts of the upper layer terminal and the lower layer terminal do not have the crosstalk prevention effect, the crosstalk prevention effect between the integral structures of the upper layer terminal and the lower layer terminal is not ideal, and the communication quality is affected.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a HDMI terminal structure.
In order to solve the technical problem, the utility model discloses a following technical scheme: the HDMI terminal structure comprises a first terminal and a second terminal which are formed by vertically splitting and tearing and are distributed in a staggered manner, wherein the first terminal comprises a first contact part, a first bent main body part and a first welding leg which are fixedly integrated and connected in sequence; the second terminal comprises a second contact part, a second bent main body part and a second welding leg which are fixed into a whole and connected in sequence; the first contact part end of the first terminal and the second contact part end of the second terminal are integrally connected to the side edge of the first material belt, and the first contact part and the first main body part are respectively distributed with the second contact part and the second main body part in a staggered manner in an upper layer and a lower layer and form an interval; the first welding feet of the first terminals and the second welding feet of the second terminals are staggered and distributed in a row, and are integrally connected with the side edge of the second material belt; and the second terminal is bent to form a residual material bending part, so that the lengths of the first terminal and the second terminal after being straightened are equal.
Further, in the above technical solution, the first terminal and the second terminal have an asymmetric structure.
Furthermore, in the above technical solution, the excess material bending portion is bent and formed on the second main body portion between the second solder foot and the second contact portion in the second terminal, and protrudes downward.
Furthermore, in the above technical solution, a first extending bridge is further integrally connected between the first solder leg of the first terminal and the side edge of the second material strap; and a second extension material bridge is further integrally connected between the second welding leg of the second terminal and the side edge of the second material belt, and the residual material bending part is bent and formed on the second extension material bridge.
Further, in the above technical solution, the excess material bending portion is any one of a V-shape, a U-shape, a zigzag shape, and a semicircular shape.
Furthermore, in the above technical solution, the differential signal terminal group comprises a plurality of groups of differential signal terminal groups and a ground terminal, and a ground terminal is arranged between two groups of differential signal terminal groups and separated by the ground terminal; each set of differential signal terminals includes a first terminal and a second terminal adjacent to the first terminal, and the ground terminal is either the first terminal or the second terminal.
Further, in the above technical solution, a plurality of first positioning notches are formed on the periphery of the first material belt, and a plurality of first positioning holes are formed on the first material belt by punching; the second material belt is punched and formed with a plurality of second positioning holes.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:
1. the first contact part and the first main body part of the first terminal are respectively distributed with the second contact part and the second main body part of the second terminal in a staggered way, and an interval is formed, so that a larger interval is formed between the first terminal and the second terminal to the maximum extent, the phenomenon of signal crosstalk of the first terminal and the second terminal is reduced, and the communication quality is ensured; because the excess material bending part is formed on the second terminal in a bending mode, the excess material in the second terminal is gathered by the excess material bending part, the straightened lengths of the first terminal and the second terminal are equal, so that the first terminal and the second terminal can be formed on one metal sheet, and the first material belt and the second material belt are integrally connected to the two ends of the first terminal and the second terminal, the stability of the whole HDMI terminal structure can be ensured, and an HDMI (high definition multimedia interface) connector can be conveniently formed by assembling the first terminal and the second terminal.
Description of the drawings:
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first configuration of the present invention;
FIG. 3 is a perspective view of a second configuration of the present invention;
FIG. 4 is a front view of a second configuration of the present invention;
fig. 5 is a block diagram of a metal sheet after die cutting to form a plurality of equal length terminal patterns.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1-4, the HDMI terminal structure includes a first terminal 1 and a second terminal 2 formed by upper and lower half-cut and tear-off and distributed in an upper and lower layer staggered manner, wherein the first terminal 1 includes a first contact portion 11, a first bent main body portion 13 and a first solder tail 12 which are fixed together and connected in sequence; the second terminal 2 comprises a second contact part 21, a second bent main body part 23 and a second welding foot 22 which are fixed into a whole and connected in sequence; the end of the first contact part 11 of the first terminal 1 and the end of the second contact part 21 of the second terminal 2 are integrally connected to the side of the first tape 3, and the first contact part 11 and the first main body part 13 are respectively distributed with the second contact part 21 and the second main body part 23 in a staggered manner in an upper layer and a lower layer and form an interval, so that a larger interval is formed between the first terminal 1 and the second terminal 2 to the maximum extent, thereby reducing the phenomenon of signal crosstalk of the first terminal 1 and the second terminal 2 and ensuring the communication quality; the first welding feet 12 of the first terminal 1 and the second welding feet 22 of the second terminal 2 are staggered and distributed in a row, and are integrally connected with the side edge of the second material belt 4; the excess material bending part 20 formed by bending the second terminal 2 enables the lengths of the first terminal 1 and the second terminal 2 after being straightened to be equal. Since the first contact portion 11 and the first body portion 13 of the first terminal 1 and the second contact portion 21 and the second body portion 23 of the second terminal 2 are staggered with a gap therebetween, this results in that the lengths of the second contact portion 21 and the second body portion 23 of the second terminal 2 located at the lower layer are inevitably shorter than the lengths of the first contact portion 11 and the first body portion 13 of the first terminal 1, it is also ensured that the first solder tails 12 of the first terminals 1 are staggered and distributed in a row with the second solder tails 22 of the second terminals 2, and are all integrally connected with the side edge of the second material belt 4, for this reason, the excess material in the second terminal 2 needs to be processed, otherwise the first terminal 1 and the second terminal 2 of the above structure and the first material belt 3 and the second material belt 4 integrally connected with the two ends of the first terminal 1 and the second terminal 2 cannot be simultaneously formed on one metal sheet. The utility model discloses the clout bending part 20 that bends and forms on second terminal 2, this clout bending part 20 gathers the unnecessary material in the second terminal 2, make the first terminal 1 after straightening and second terminal 2 length isometric, so that can once only form first terminal 1 and second terminal 2 and first material area 3 and second material area 4 that connect in this first terminal 1 and second terminal 2 both ends on a slice of sheetmetal, can guarantee the stability of whole HDMI terminal structure, so that its equipment forms HDMI interface (HDMI connector) afterwards, for example when first terminal 1 and second terminal 2 annotate the plastic seat in the injection molding HDMI interface (HDMI connector) in the mould, can fix a position with the mould simultaneously through first terminal 1 and second terminal 2, guarantee the injection molding quality, and need not to adopt extra mechanism to first terminal 1 and second terminal 2, can effectively reduce the mould cost, improving the market competitiveness.
The first terminal 1 and the second terminal 2 are asymmetric structures, so that when the first tape 3 and the second tape 4 are required to be integrally connected to two ends of the first terminal 1 and the second terminal 2, respectively, an excess material bending portion 20 must be formed on the second terminal 2, so that the second terminal 2 with a shorter length can be integrally connected with the second tape 4.
As shown in fig. 1 and 2, the bending portion 20 is formed by bending and extending downward on the second main body portion 23 between the second solder tail 22 and the second contact portion 21 of the second terminal 2, so that a larger distance is formed between the bending portion 20 of the second terminal 2 and the first terminal 1, and the anti-interference effect is effectively improved.
Referring to fig. 3 and 4, a first extending bridge 14 is further integrally connected between the first fillet 12 of the first terminal 1 and the side edge of the second tape 4; still an organic whole is connected with second extension material bridge 24 between the second leg 22 of second terminal 2 and the second material area 4 side, the clout 20 of bending is buckled the shaping on this second extension material bridge 24, when deciding first material area 3 and second material area 4 relatively at first terminal 1 and second terminal 2, decides this clout 20 of bending and takes first extension material bridge 14, second extension material bridge 24 and second material area 4 simultaneously.
The excess material bending portion 20 is any one of a V-shape, a U-shape, a zigzag shape and a semicircular shape, and the shape thereof is not limited, and only in order to protrude the excess length of the second terminal 2, it is sufficient to ensure that the first material strap 3 and the second material strap 4 are respectively integrally connected to two ends of the first terminal 1 and the second terminal 2.
The utility model comprises a plurality of groups of differential signal terminal groups and a grounding terminal, wherein a grounding terminal is arranged between the two groups of differential signal terminal groups and is separated by the grounding terminal; each differential signal terminal group comprises a first terminal 1 and a second terminal 2 adjacent to the first terminal 1 to be used as a first differential signal terminal and a second differential signal terminal respectively, and the ground terminal is the first terminal 1 or the second terminal 2.
The utility model discloses in have ten first terminals 1, be terminal, No. three terminal, No. five terminals, No. seven terminals, No. nine terminals, No. eleven terminal, No. thirteen terminals, No. fifteen terminals, No. seventeen terminals, No. nineteen terminals respectively: the terminal comprises nine second terminals 2 which are respectively a second terminal, a fourth terminal, a sixth terminal, an eighth terminal, a tenth terminal, a twelfth terminal, a fourteenth terminal, a sixteenth terminal and an eighteenth terminal, wherein the nine second terminals 2 and the ten first terminals 1 are sequentially arranged in sequence. The third terminal and the fourth terminal are used as a first group of differential signal terminal groups; the sixth terminal and the seventh terminal are used as a second group of differential signal terminal groups; the ninth terminal and the tenth terminal are used as a third group of differential signal terminal groups; the No. twelve terminal and the No. thirteen terminal are used as a fourth group of differential signal terminal groups; no. two terminals, No. five terminals, No. eight terminals, No. eleven terminal, No. fourteen terminals all regard as ground terminal, guarantee in proper order that separate by a ground terminal between the differential signal terminal group of every group, this ground terminal can the separation signal interference, has guaranteed high-speed differential signal terminal's transmission characteristic and quality, has reduced every to the crosstalk between the differential signal terminal, by the utility model discloses the HDMI connector of making has high transmission ability, can support the bandwidth and be 48Gbps to the maximum, can support 4K/120Hz, 8K/60Hz, 10K/120HZ equal resolution ratio and the harmless video of refresh rate.
A plurality of first positioning notches 31 are formed on the periphery of the first material belt 3, and a plurality of first positioning holes 32 are formed on the first material belt 3 through punching; the second material belt 4 is formed with a plurality of second positioning holes 41 by punching, so that the first material belt 3 and the second material belt 4 can be positioned better.
To sum up, the first contact portion 11 and the first main body portion 13 of the first terminal 1 of the present invention are respectively distributed with the second contact portion 21 and the second main body portion 23 of the second terminal 2 in a staggered manner, and form an interval, so as to form a larger distance between the first terminal 1 and the second terminal 2 to the maximum extent, thereby reducing the phenomenon of signal crosstalk between the first terminal 1 and the second terminal 2, and ensuring the communication quality; because the excess material bending part 20 formed by bending the second terminal 2 is formed, the excess material in the second terminal 2 is gathered by the excess material bending part 20, so that the lengths of the straightened first terminal 1 and the straightened second terminal 2 are equal, the first terminal 1 and the second terminal 2 and the first material belt 3 and the second material belt 4 which are integrally connected with the two ends of the first terminal 1 and the second terminal 2 can be formed on one metal sheet, the stability of the whole HDMI terminal structure can be ensured, so that the HDMI interface (HDMI connector) can be formed by assembling the HDMI terminal, for example, when plastic bases in the HDMI interface (HDMI connector) are injected into a mold by the first terminal 1 and the second terminal 2, the first terminal 1 and the second terminal 2 can be positioned with the mold at the same time, the injection quality is ensured, and an additional mechanism is not needed for the first terminal 1 and the second terminal 2, the mold cost can be effectively reduced, improving the market competitiveness.
The utility model discloses HDMI terminal structure's manufacturing method, this manufacturing method includes following step: referring to fig. 5, a metal sheet 100 is prepared, and the metal sheet 100 is punched to form a plurality of terminal molds 101 with equal length and a first material tape 3 and a second material tape 4 integrally connected to two ends of the terminal molds 101, wherein the first material tape 3 is punched and formed with a plurality of first positioning holes 32, and the second material tape 4 is punched and formed with a plurality of second positioning holes 41; then, forming the terminal model into a plurality of first terminals 1 and second terminals 2 which are distributed in a staggered manner from top to bottom in a vertical tearing manner, wherein two ends of each of the first terminals 1 and the second terminals 2 are respectively and integrally connected with the first material belt 3 and the second material belt 4; only the welding foot parts of the first terminal 1 and the second terminal 2 are staggered and distributed in a row, other parts of the first terminal 1 and the second terminal 2 are staggered and distributed in an upper layer and a lower layer, and intervals are formed, so that a larger distance is formed between the first terminal 1 and the second terminal 2 to the maximum extent, the phenomenon that the first terminal 1 and the second terminal 2 generate signal crosstalk is reduced, the communication quality is ensured, and the other parts of the first terminal 1 and the second terminal 2 refer to a contact part and a main body part; the second terminal 2 located on the lower layer is formed with a surplus material bent portion 20. That is to say, the utility model discloses the preparation method of HDMI terminal structure can only be with one set of mould on a slice sheetmetal 100 simultaneously through upper and lower pair of split tear technology shaping about two rows of shaping first terminal 1 and second terminal 2 and integrated connection in the first material area 3 and the second material area 4 at these first terminal 1 and second terminal 2 both ends, wherein be located and be formed with clout portion of bending 20 on the second terminal 2 of lower floor to this guarantees preparation method easy operation, and the material is few, uses the mould few, and is with low costs, and can guarantee the efficiency of later stage equipment HDMI interface (HDMI connector). And because the excess material bending part 20 formed by bending the second terminal 2, the excess material in the second terminal 2 is gathered by the excess material bending part 20, so that the lengths of the first terminal 1 and the second terminal 2 after being straightened are equal, so that the first terminal 1 and the second terminal 2 and the first material belt 3 and the second material belt 4 integrally connected with the two ends of the first terminal 1 and the second terminal 2 can be formed on one metal sheet, and the stability of the whole HDMI terminal structure can be ensured, so that the HDMI interface (HDMI connector) can be formed by assembling the HDMI terminal, for example, when plastic bases in the HDMI interface (HDMI connector) are injected into a mold by the first terminal 1 and the second terminal 2, the first terminal 1 and the second terminal 2 can be positioned with the mold at the same time, the injection quality is ensured, and an additional mechanism is not needed for the first terminal 1 and the second terminal 2, so that the mold cost can be effectively reduced, improving the market competitiveness.
The excess material bending part 20 is formed in the middle of the second terminal 2 and protrudes downwards; at this time, a better distance can be formed between the excess material bending part 20 in the second terminal 2 and the first terminal 1, and the anti-interference effect can be effectively improved. Or, the excess material bending portion 20 is formed at the end of the second terminal 2, and protrudes upwards, so that when the second material belt 4 needs to be cut, the end of the excess material bending portion 20 can be directly cut. The excess material bending part 20 is in any one of a V shape, a U shape, a reversed V shape and a semi-circle shape.
To sum up, the utility model discloses HDMI terminal structure's preparation method can only be through upper and lower pair of formation first terminal 1 and second terminal 2 and the first material area 3 and the second material area 4 of integrated connection in these first terminal 1 and second terminal 2 both ends of tearing the technology shaping simultaneously through one set of mould on a slice sheetmetal 100, wherein be located and be formed with clout portion of bending 20 on the second terminal 2 of lower floor to this guarantees preparation method easy operation, and the material is few, uses the mould few, and is with low costs, and can guarantee the efficiency of later stage equipment HDMI interface (HDMI connector).
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. An HDMI terminal structure, its characterized in that: the terminal comprises a first terminal and a second terminal which are formed by upper and lower halving tearing modes and are distributed in an upper-layer and lower-layer staggered manner, wherein the first terminal comprises a first contact part, a first bent main body part and a first welding leg which are fixed into a whole and connected in sequence; the second terminal comprises a second contact part, a second bent main body part and a second welding leg which are fixed into a whole and connected in sequence; the first contact part end of the first terminal and the second contact part end of the second terminal are integrally connected to the side edge of the first material belt, and the first contact part and the first main body part are respectively distributed with the second contact part and the second main body part in a staggered manner in an upper layer and a lower layer and form an interval; the first welding feet of the first terminals and the second welding feet of the second terminals are staggered and distributed in a row, and are integrally connected with the side edge of the second material belt; and the second terminal is bent to form a residual material bending part, so that the lengths of the first terminal and the second terminal after being straightened are equal.
2. An HDMI terminal structure according to claim 1, wherein: the first terminal and the second terminal are in an asymmetric structure.
3. An HDMI terminal structure according to claim 1, wherein: the excess material bending part is bent and formed on the second main body part between the second welding foot and the second contact part in the second terminal and protrudes downwards.
4. An HDMI terminal structure according to claim 1, wherein: a first extending material bridge is further integrally connected between the first welding leg of the first terminal and the side edge of the second material belt; and a second extension material bridge is further integrally connected between the second welding leg of the second terminal and the side edge of the second material belt, and the residual material bending part is bent and formed on the second extension material bridge.
5. An HDMI terminal structure according to any of claims 1-4, wherein: the residual material bending part is in any one of a V shape, a U shape, a reversed V shape and a semi-circle shape.
6. An HDMI terminal structure according to any of claims 1-4, wherein: the differential signal terminal group comprises a plurality of groups of differential signal terminal groups and a grounding terminal, wherein a grounding terminal is arranged between the two groups of differential signal terminal groups and is separated by the grounding terminal; each set of differential signal terminals includes a first terminal and a second terminal adjacent to the first terminal, and the ground terminal is either the first terminal or the second terminal.
7. An HDMI terminal structure according to any of claims 1-4, wherein: a plurality of first positioning notches are formed on the periphery of the first material belt, and a plurality of first positioning holes are formed in the first material belt in a punching mode; the second material belt is punched and formed with a plurality of second positioning holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629689.2U CN209843997U (en) | 2019-05-05 | 2019-05-05 | HDMI terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629689.2U CN209843997U (en) | 2019-05-05 | 2019-05-05 | HDMI terminal structure |
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| CN209843997U true CN209843997U (en) | 2019-12-24 |
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| CN201920629689.2U Active CN209843997U (en) | 2019-05-05 | 2019-05-05 | HDMI terminal structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950724A (en) * | 2019-05-05 | 2019-06-28 | 唐付君 | A kind of HDMI terminal structure and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950724A (en) * | 2019-05-05 | 2019-06-28 | 唐付君 | A kind of HDMI terminal structure and preparation method thereof |
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Effective date of registration: 20221212 Address after: 523000 Building 2, No. 15, Wenming Road, Daning, Humen Town, Dongguan, Guangdong Patentee after: Dongguan Weikang Auto Electronics Co.,Ltd. Address before: 3 / F, building 3, 6 Qipan street, fuzhushan village, Liaobu Town, Dongguan City, Guangdong Province Patentee before: Dongguan Kangshuo Electronic Co.,Ltd. |