CN212162280U - HDMI transmission line with HPD signal detection pilot lamp - Google Patents
HDMI transmission line with HPD signal detection pilot lamp Download PDFInfo
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- CN212162280U CN212162280U CN202020517522.XU CN202020517522U CN212162280U CN 212162280 U CN212162280 U CN 212162280U CN 202020517522 U CN202020517522 U CN 202020517522U CN 212162280 U CN212162280 U CN 212162280U
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- hdmi
- transmission line
- hdmi transmission
- signal detection
- hpd signal
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Abstract
The utility model provides a HDMI transmission line with HPD signal detection indicator lamp, which comprises a HDMI transmission line and HDMI signal interface ends arranged at two ends of the HDMI transmission line; the HDMI signal interface end further comprises a metal aluminum shell internally provided with an HPD signal detection circuit and a colorful color-changing indicator lamp, an HDMI-A gold-plated head penetrating through the metal aluminum shell and connected with the PCB circuit board, and transparent protective rubber sleeves connected with two ends of the metal aluminum shell. The utility model provides a pair of HDMI transmission line with HPD signal detection pilot lamp, the HDMI transmission line on having solved present display because of needs frequent plug socket is connected in order to realize the detection between display and the HDMI transmission line, and then causes the product to damage easily, and it is longer to consume time, be unfavorable for carrying out the problem of efficient detection between HDMI transmission line and the display, can follow seven various pilot lamps on the HDMI transmission line and directly judge whether to be connected normally between signal source and the display, increase the aesthetic property for the product.
Description
Technical Field
The utility model relates to a HDMI transmission line technical field especially relates to a HDMI transmission line with HPD signal detection pilot lamp.
Background
At present, with the rapid development of multimedia digital products, HDMI has become a main output port of audio and video of multimedia products as a fully digital video and audio transmission line, and can be used to transmit audio signals and video signals without any compression.
However, in practice, it is found that the conventional HDMI transmission line can only determine whether the connection between the HDMI signal source and the display is normal by determining whether there is image display on the display, and therefore, when detecting the connection between the DMI signal source and the display, the HDMI line on the socket of the display needs to be plugged and unplugged frequently, which not only easily causes product damage, but also consumes a long time, and is not beneficial to efficient detection between the HDMI transmission line and the display.
Therefore, it is desirable to provide an HDMI transmission line with an HPD signal detection indicator lamp to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a HDMI transmission line with HPD signal detection pilot lamp, the HDMI transmission line on having solved present display because of needs frequent plug socket is connected in order to realize the detection between display and the HDMI transmission line, and then cause the product to damage easily, and it is longer to consume time, be unfavorable for carrying out the problem of efficient detection between HDMI transmission line and the display, can follow the seven various pilot lamps on the HDMI transmission line and directly judge whether to be connected normally between signal source and the display, for product increase aesthetic property.
In order to solve the above technical problem, one technical solution adopted by the present invention is to provide an HDMI transmission line with an HPD signal detection indicator light, comprising an HDMI transmission line 5 and HDMI signal interface terminals disposed at two ends of the HDMI transmission line 5; the HDMI signal interface end further comprises a metal aluminum shell 3 internally provided with an HPD signal detection circuit and a colorful color-changing indicator lamp 9, an HDMI-A gold-plated head 1 penetrating through the metal aluminum shell 3 and connected with the PCB circuit board 2, and transparent protective rubber sleeves 4 connected with two ends of the metal aluminum shell 3.
Preferably, the HPD signal detection circuit further comprises a PCB circuit board 2, two current limiting resistors 7 disposed on the PCB circuit board 2, a seven-color-changing indicator light 9, an MOS transistor 8 and a connection pad 6; the HDMI transmission line 5 is electrically connected to the PCB circuit board 2.
Preferably, the HDMI transmission line 5 further includes a shielding mesh 18, a bare copper wire 19 wound around and connected to the shielding mesh 18, a tubular outer insulating layer 11 wrapped outside the shielding mesh 18, a tubular cavity 15 disposed inside the tubular outer insulating layer 11, a high-speed transmission line 14 composed of a conductor 12 and an insulating layer 13, a differential signal line 20, and a shielding aluminum foil 17 wrapped outside the differential signal line 20; wherein, the high-speed transmission line 14 and the differential signal line 20 are both disposed inside the tubular cavity 15.
Preferably, the differential signal line 20 further includes two high-speed transmission lines 14 and a ground line 16, and the high-speed transmission lines 14 and the ground line 16 are connected and wound together.
Preferably, at least five pairs of differential signal lines 20 and four high-speed transmission lines 14 are arranged in the tubular outer insulating layer 11
Preferably, at least nineteen HDMI pins are arranged on the HDMI interface on the HDMI-a gold-plated header 1.
Preferably, an appearance aluminum shell anode treatment layer is arranged on the outer surfaces of the HDMI signal input end A and the HDMI signal output end B.
Preferably, the HDMI transmission line with the HPD signal detection indicator further includes a dust cap 10, and an opening edge at one side bottom end of the dust cap 10 is fixedly connected with an opening edge at one side top end of the metal aluminum shell 3, so that the dust cap 10 covers the HDMI-a gold-plated head 1.
Preferably, the injection molding inner film layer and the injection molding outer film layer of the HDMI signal input end A and the HDMI signal output end B are respectively made of low-density polyethylene and polyvinyl chloride materials.
Preferably, the HDMI-A gold plating head 1 is of an integrally formed structure.
The utility model has the advantages that: the utility model provides a pair of HDMI transmission line with HPD signal detection pilot lamp, the HDMI transmission line on having solved present display because of needs frequent plug socket is connected in order to realize the detection between display and the HDMI transmission line, and then causes the product to damage easily, and it is longer to consume time, be unfavorable for carrying out the problem of efficient detection between HDMI transmission line and the display, can follow seven various pilot lamps on the HDMI transmission line and directly judge whether to be connected normally between signal source and the display, increase the aesthetic property for the product.
Drawings
Fig. 1 is a schematic structural diagram of a first preferred embodiment of an HDMI transmission line with an HPD signal detection indicator lamp according to the present invention;
fig. 2 is an internal sectional view of the HDMI transmission line shown in fig. 1;
fig. 3 is a side view of the HDMI-a gold plated head shown in fig. 1.
The names of the parts corresponding to the numerical identifiers in the drawings of the specification are respectively as follows:
HDMI-A gold plating head 1; a PCB circuit board 2; a metallic aluminum case 3; a transparent protective rubber sleeve 4; an HDMI transmission line 5; a wiring pad 6; a current limiting resistor 7; an MOS tube 8; a seven-color changing indicator lamp 9; a dust cap 10; a tubular outer insulating layer 11; a lead wire 12; an insulating layer 13; a high-speed transmission line 14; a tubular cavity 15; a ground line 16; a shielding aluminum foil 17; a shielding mesh 18; a bare copper wire 19; and a differential signal line 20.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Example one
Referring to fig. 1, fig. 1 is a schematic structural principle diagram of a first preferred embodiment of an HDMI transmission line with an HPD signal detection indicator lamp according to the present invention. As shown in fig. 1, the HDMI transmission line with the HPD signal detection indicator lamp of the present embodiment includes an HDMI transmission line 5 and HDMI signal interface terminals disposed at two ends of the HDMI transmission line 5; the HDMI signal interface further comprises a metal aluminum shell 3 internally provided with an HPD signal detection circuit and a colorful color-changing indicator light 9, an HDMI-A gold-plated head 1 connected with the PCB circuit board 2 by penetrating through the metal aluminum shell 3 and a transparent protective rubber sleeve 4 connected with two ends of the metal aluminum shell 3.
Preferably, the HPD signal detection circuit further comprises a PCB circuit board 2, two current limiting resistors 7 disposed on the PCB circuit board 2, a seven-color-changing indicator light 9, an MOS transistor 8 and a connection pad 6; the HDMI transmission line 5 is electrically connected to the PCB circuit board 2.
Preferably, after the HDMI signal interface end is connected to the signal output device end and the signal receiving device end respectively, the MOS transistor 8 can monitor the change of the HPD signal on the HDMI signal interface end at any time, and if the MOS transistor 8 detects that the signal output device end and the signal receiving device end are in an abnormal connection state through the HPD signal, the seven-color-changing indicator lamp 9 can be driven to light up, wherein the transparent protective rubber sleeve 4 can effectively protect the HDMI transmission line 5 and can also effectively increase the light-transmitting display effect of the seven-color-changing indicator lamp 9;
and if the MOS tube 8 detects that the signal output device end and the signal receiving device end are in a normal connection state through the HPD signal, the HDMI signal can be transmitted to the HDMI transmission line 5 through the wiring welding point 6;
and, the outer surface of the metal aluminum outer casing 3 can be engraved;
preferably, the HDMI signal interface end can perform bidirectional transmission work; the signal output device end and the signal receiving device end may be devices such as a computer, a mobile phone, a tablet computer, a video recorder, but are not limited thereto, and may also be other devices that can output HDMI signals.
Referring to fig. 2, fig. 2 is an internal cross-sectional view of the optical fiber transmission line shown in fig. 1.
Preferably, the HDMI transmission line 5 further includes a shielding mesh 18, a bare copper wire 19 wound and connected to the shielding mesh 18, a tubular outer insulating layer 11 wrapped outside the shielding mesh 18, a tubular cavity 15 disposed inside the tubular outer insulating layer 11, a high-speed transmission line 14 composed of a conductor 12 and an insulating layer 13, a differential signal line 20, and a shielding aluminum foil 17 wrapped outside the differential signal line 20; the high-speed transmission line 14 and the differential signal line 20 are disposed inside the tubular cavity 15.
Preferably, the differential signal line 20 further includes two high-speed transmission lines 14 and one ground line 16, and the high-speed transmission lines 14 and the ground line 16 are connected and wound together.
Preferably, at least five pairs of differential signal lines 20 and four high-speed transmission lines 14 are disposed in the tubular outer insulating layer 11.
Preferably, the HDMI transmission line 5 of the present invention adopts a multilayer design and can effectively reduce the attenuation of signals during transmission by connecting and winding the shielding net 18 and the bare copper wire 19 together;
the bare copper wire 19 and the ground wire 16 are grounded, so that external interference signals can be guided to the ground by the bare copper wire 19 and the ground wire 16, interference of the interference signals entering the inner-layer conductor can be effectively avoided, and meanwhile, loss of transmission signals is reduced;
and, by twisting the two high-speed transmission lines 14 (such as twisted pair), the immunity of the HDMI transmission line 5 to coupling noise can be effectively improved.
Referring to fig. 3, fig. 3 is a side view of the HDMI-a gold plating head shown in fig. 1.
Preferably, at least nineteen HDMI pins are arranged on the HDMI interface on the HDMI-A gold-plated head 1.
Preferably, the outer surface of the HDMI signal interface end is provided with an appearance aluminum shell anode treatment layer.
Preferably, the HDMI transmission line with the HPD signal detection indicator further comprises a dust cap 10, and one side bottom opening edge of the dust cap 10 is fixedly connected with one side top opening edge of the metal aluminum shell 3, so that the dust cap 10 covers the HDMI-a gold-plated head 1.
Preferably, the injection molding inner film layer and the injection molding outer film layer of the HDMI signal interface end are respectively made of low-density polyethylene and polyvinyl chloride materials.
Preferably, the HDMI-A gold plating head 1 is an integrally formed structure.
Preferably, a nylon braid is provided between the shielding mesh 18 and the tubular outer insulating layer 11.
Preferably, nylon is woven and is made the layer and can have the fire prevention abrasionproof characteristic, and then better protection HDMI signal transmission line to avoid because of the damage that cutting or high temperature caused.
Therefore, the implementation of the HDMI transmission line with the HPD signal detection indicator lamp described in the upper drawing solves the problems that the HDMI transmission line on the socket needs to be frequently plugged and unplugged so as to realize the detection connection between the display and the HDMI transmission line, the product is easy to damage, the consumed time is long, and the efficient detection between the HDMI transmission line and the display is not facilitated, whether the normal connection between a signal source and the display is realized or not can be directly judged by the colorful indicator lamp on the HDMI transmission line, and the attractiveness of the product is improved.
In addition, the HDMI transmission line that has HPD signal detection pilot lamp that the implementation picture described, through setting up in the transparent protection gum cover at metal aluminium shell both ends, can be when effectively protecting the HDMI transmission line, the printing opacity display effect of seven various indicator lamps that discolour that can also effectual increase.
In addition, the HDMI transmission line with the HPD signal detection indicator lamp described in the above figure is implemented, and the current-limiting resistor arranged on the PCB circuit board can effectively prevent elements on the PCB circuit board from being burnt out due to overlarge circuit current, so that the elements on the PCB circuit board are effectively protected.
In addition, the HDMI transmission line with the HPD signal detection indicator lamp described in the above figure is implemented, and the HDMI transmission line can effectively reduce the attenuation of signals in the transmission process by adopting a multilayer design and connecting and winding a shielding net and a bare copper wire together.
In addition, by implementing the HDMI transmission line with the HPD signal detection indicator lamp described in the above figure, by grounding the bare copper wire and the ground wire, so that an external interference signal can be guided to the ground by the tubular shielding aluminum foil layer, interference of the interference signal entering the inner conductor can be effectively avoided, and loss of the transmission signal can be reduced.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same reason as the protection scope of the present invention.
Claims (10)
1. The utility model provides a HDMI transmission line with HPD signal detection pilot lamp which characterized in that: the HDMI signal transmission line comprises an HDMI transmission line (5) and HDMI signal interface ends arranged at two ends of the HDMI transmission line (5); the HDMI signal interface end further comprises a metal aluminum shell (3) internally provided with an HPD signal detection circuit and a colorful color-changing indicator lamp (9), an HDMI-A gold-plated head (1) penetrating through the metal aluminum shell (3) and connected with a PCB (printed circuit board) 2, and transparent protective rubber sleeves (4) connected with the two ends of the metal aluminum shell (3).
2. The HDMI transmission line with an HPD signal detection indicator light of claim 1, wherein:
the HPD signal detection circuit further comprises a PCB circuit board (2), two current-limiting resistors (7) arranged on the PCB circuit board (2), the seven-color-changing indicator lamp (9), an MOS (metal oxide semiconductor) tube (8) and a wiring welding spot (6); the HDMI transmission line (5) is electrically connected with the PCB circuit board (2).
3. The HDMI transmission line with an HPD signal detection indicator light of claim 2, wherein:
the HDMI transmission line (5) further comprises a shielding net (18), a bare copper wire (19) connected and wound with the shielding net (18), a tubular outer insulating layer (11) wrapped outside the shielding net (18), a tubular cavity (15) arranged inside the tubular outer insulating layer (11), a high-speed transmission line (14) composed of a wire (12) and an insulating layer (13), a differential signal line (20) and a shielding aluminum foil (17) wrapped outside the differential signal line (20); wherein the high-speed transmission line (14) and the differential signal line (20) are both arranged inside the tubular cavity (15).
4. The HDMI transmission line with HPD signal detection indicator light of claim 3, wherein: the differential signal line (20) further comprises two high-speed transmission lines (14) and a ground line (16), and the high-speed transmission lines (14) and the ground line (16) are connected and wound together.
5. The HDMI transmission line with HPD signal detection indicator light of claim 4, wherein: at least five pairs of differential signal lines (20) and four high-speed transmission lines (14) are arranged in the tubular outer insulating layer (11).
6. The HDMI transmission line with HPD signal detection indicator light of claim 5, wherein: at least nineteen HDMI pins are arranged on the HDMI interface on the HDMI-A gold plating head (1).
7. The HDMI transmission line with HPD signal detection indicator light of claim 6, wherein: and an appearance aluminum shell anode treatment layer is arranged on the outer surface of the HDMI signal interface end.
8. The HDMI transmission line with an HPD signal detection indicator lamp according to any one of claims 1-7, wherein:
the HDMI transmission line with the HPD signal detection indicator lamp further comprises a dustproof cap (10), wherein the opening edge of the bottom end of one side of the dustproof cap (10) is fixedly connected with the opening edge of the top end of one side of the metal aluminum shell (3) so that the dustproof cap (10) covers the HDMI-A gold-plated head (1).
9. The HDMI transmission line with an HPD signal detection indicator light of claim 8, wherein: the injection molding inner film layer and the injection molding outer film layer of the HDMI signal interface end are respectively made of low-density polyethylene and polyvinyl chloride materials.
10. The HDMI transmission line with an HPD signal detection indicator light of claim 9, wherein: the HDMI-A gold plating head (1) is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517522.XU CN212162280U (en) | 2020-04-09 | 2020-04-09 | HDMI transmission line with HPD signal detection pilot lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020517522.XU CN212162280U (en) | 2020-04-09 | 2020-04-09 | HDMI transmission line with HPD signal detection pilot lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212162280U true CN212162280U (en) | 2020-12-15 |
Family
ID=73718785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020517522.XU Active CN212162280U (en) | 2020-04-09 | 2020-04-09 | HDMI transmission line with HPD signal detection pilot lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212162280U (en) |
-
2020
- 2020-04-09 CN CN202020517522.XU patent/CN212162280U/en active Active
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