CN220065216U - Anti-interference HDMI signal transmission line - Google Patents
Anti-interference HDMI signal transmission line Download PDFInfo
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- CN220065216U CN220065216U CN202321257027.XU CN202321257027U CN220065216U CN 220065216 U CN220065216 U CN 220065216U CN 202321257027 U CN202321257027 U CN 202321257027U CN 220065216 U CN220065216 U CN 220065216U
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- signal transmission
- cable
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 65
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- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 238000009941 weaving Methods 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 238000005253 cladding Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-interference HDMI signal transmission line, and relates to the technical field of HDMI signal lines. This anti-interference HDMI signal transmission line includes: the cable and HDMI interfaces are connected to two ends of the cable; the cable comprises an outer protective layer, a metal mesh woven layer arranged on the inner wall of the outer protective layer, an inner binding layer arranged inside the metal mesh woven layer and an HDMI core wire; the outer surface cladding of HDMI heart yearn has the insulating layer, the surface cladding of insulating layer has the metal shielding layer. This anti-interference HDMI signal transmission line through cladding metal shielding layer alone at every HDMI heart yearn surface for each HDMI heart yearn's interval separates, avoids appearing the condition of interference, through the setting of metal mesh weaving layer, strengthens whole transmission line, avoids appearing tearing the condition.
Description
Technical Field
The utility model relates to the technical field of HDMI signal lines, in particular to an anti-interference HDMI signal transmission line.
Background
A High Definition Multimedia Interface (HDMI) is a fully digital video and audio transmission interface that can transmit uncompressed audio and video signals. HDMI can be used for set top boxes, DVD players, personal computers, televisions, game consoles, combination expansion machines, digital audio and television sets, and other devices. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplify the installation degree of difficulty of system's circuit greatly.
For example, chinese patent application No. CN201720155939.4 discloses a super five-class double-shielded twisted pair cable, which includes four twisted pair cables, each twisted pair cable includes two conductors, each conductor is covered with an insulating layer, the two corresponding conductors are twisted after being covered with the insulating layer, and are wrapped into a cable by an externally-covered wrapping layer, and an inner shielding layer is further covered outside the wrapping layer.
When the cable is used, the conductors are twisted after being coated, and then the shielding layer is coated on the periphery of the cable, so that interference still exists between the conductors.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an anti-interference HDMI signal transmission line, which solves the problems that interference exists between conductor cores, the surface of a cable is easy to be uneven and easy to wear.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an anti-interference HDMI signal transmission line comprising:
the cable and HDMI interfaces are connected to two ends of the cable;
the cable comprises an outer protective layer, a metal mesh woven layer arranged on the inner wall of the outer protective layer, an inner binding layer arranged inside the metal mesh woven layer and an HDMI core wire;
the outer surface cladding of HDMI heart yearn has the insulating layer, the surface cladding of insulating layer has the metal shielding layer.
Preferably, the outer protective layer is made of rubber.
Preferably, the inner binding layer is an aluminum foil paper layer, and the aluminum foil paper layer is arranged on the inner wall of the metal mesh braiding layer in a winding mode.
Preferably, the insulating layer is made of teflon, and the metal shielding layer is a copper foil-shaped sheet.
Preferably, polyethylene particles are filled in the outer periphery of the metal shielding layer and the inner space of the inner binding layer.
Preferably, the anti-interference HDMI signal transmission line further comprises a winding coil, wherein the winding coil is hollow and circular, and the outer surface of the winding coil is provided with a wire groove in a spiral mode.
Preferably, the two ends of the wire slot of the winding coil are provided with bayonets for clamping the cable.
Preferably, the anti-interference HDMI signal transmission line further comprises a clamping mechanism, wherein the clamping mechanism comprises a bottom plate, an interface clamping frame arranged at one end of the surface of the bottom plate and a cable clamping frame arranged at the other end of the surface of the bottom plate, the cable clamping frame is clamped on the outer wall of the cable close to one end of the HDMI interface, a circle of inner groove is formed in the outer wall of the HDMI interface, and the interface clamping frame is clamped on the inner groove.
Preferably, limiting protruding blocks are arranged on two opposite sides of the inside of the interface card frame.
(III) beneficial effects
Compared with the prior art, the utility model provides an anti-interference HDMI signal transmission line, which has at least the following beneficial effects:
(1) According to the anti-interference HDMI signal transmission line, the metal shielding layer is coated on the surface of each HDMI core wire independently, so that the HDMI core wires are separated, the interference is avoided, the whole transmission line is reinforced through the arrangement of the metal mesh braiding layer, and the tearing is avoided;
(2) This jam-proof HDMI signal transmission line, through the setting of outer protective layer, from outside waterproof, dustproof, insulating etc. through interior constraint layer with each HDMI heart yearn cladding fastening together, through insulating layer structure, keep apart anticreep from inside, through the setting of wrapping the wire, can accomodate the cable, through the setting of chucking mechanism, can support cable and HDMI interface junction, avoid buckling the rupture.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a cable according to the present utility model;
fig. 3 is a schematic structural view of the clamping mechanism of the present utility model.
In the figure: 100. a cable; 101. an outer protective layer; 102. a metal mesh braid; 103. an inner tie layer; 104. an HDMI core wire; 105. an insulating layer; 106. a metal shielding layer; 200. an HDMI interface; 201. an inner groove; 300. winding the coil; 301. a bayonet; 400. a clamping mechanism; 401. a bottom plate; 402. an interface card frame; 403. a limit bump; 404. and a cable clamping frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: an anti-interference HDMI signal transmission line comprising:
a cable 100 and HDMI interfaces 200 connected to both ends of the cable 100; the structure of the HDMI interface 200 is selected according to specific situations, such as HDMI a Type, HDMI B Type, HDMI C Type, HDMID Type, and the like.
Wherein, the cable 100 comprises an outer protective layer 101, a metal mesh braid 102 arranged on the inner wall of the outer protective layer 101, an inner binding layer 103 arranged inside the metal mesh braid 102 and an HDMI core wire 104; the metal mesh braid 102 can reinforce the outer protection layer 101 from the outside so that the internal HDMI core 104 can be stabilized.
In the HDMI cable specification of a general standard interface, the HDMI high definition line should be composed of 19 wires (i.e., HDMI wires 104), and the 19 wires are respectively 4 pairs (8) of differential wires, wherein each pair of differential wires has a ground wire composed of 4 wires, a 12C composed of 2 wires, an HPD signal wire, a single bottom wire, a +5v, an undefined signal wire, and a CEC signal wire. The HDMI line has a plurality of sinle silk, and 19 high definition lines are class A HDMI interface wiring that we said often, and HDMI interface specification still includes the class B interface HDMI high definition line of 29 cores and the mini portable interface HD of 15 cores.
The outer surface of the HDMI core wire 104 is coated with an insulating layer 105, and the outer surface of the insulating layer 105 is coated with a metal shielding layer 106. The metal shielding layer 106 covers the insulating layer 105 and the HDMI core 104, and isolates external interference.
As shown in fig. 2, the present utility model provides an embodiment, where the outer protective layer 101 is a rubber outer protective layer 101. The outer protective layer 101 made of rubber has better toughness and waterproof and insulating effects.
As shown in fig. 2, the present utility model provides an embodiment, where the inner binding layer 103 is an aluminum foil paper layer, and the aluminum foil paper layer is wound on the inner wall of the metal mesh braid 102. The aluminum foil paper layer is stuck on the inner wall of the metal mesh braid 102, and simultaneously, the aluminum foil paper layer is wound on the periphery of the HDMI core wire 104, so that the structure of the HDMI core wire 104 and the like is restrained.
The insulating layer 105 is made of teflon, and the metal shielding layer 106 is a copper foil-like sheet.
The outer periphery of the metal shielding layer 106 and the inner space of the inner binding layer 103 are filled with polyethylene particles. The polyethylene particles buffer between the HDMI cores 104, increasing the toughness of the overall cable.
As shown in fig. 1, the present utility model provides an embodiment, the anti-interference HDMI signal transmission line further includes a winding coil 300, the winding coil 300 is hollow and circular, and a wire slot is formed on an outer surface of the winding coil 300 in a spiral shape. After use, or when the cable 100 is long, the cable can be inserted into the raceway groove, and the cable 100 can be stored.
Based on the above embodiment, two ends of the wire slot of the coil 300 are provided with bayonets 301 for clamping the cable 100. The bayonet 301 is provided so that the exposed portion of the cable 100 can be caught therein, restraining both ends of the cable 100.
As shown in fig. 1 and 3, the present utility model provides an embodiment, the anti-interference HDMI signal transmission line further includes a clamping mechanism 400, where the clamping mechanism 400 includes a base plate 401, an interface clamping frame 402 disposed at one end of the surface of the base plate 401, and a cable clamping frame 404 disposed at the other end of the surface of the base plate 401, where the cable clamping frame 404 is clamped to an outer wall of the cable 100 near one end of the HDMI interface 200, an inner groove 201 is formed on the outer wall of the HDMI interface 200, the interface clamping frame 402 is clamped to the inner groove 201, and two opposite sides inside the interface clamping frame 402 are provided with limiting protrusions 403.
The interface card frame 402 is clamped in the inner groove 201, the cable card frame 404 is clamped on the outer wall of the cable 100, a certain traction and stretching effect is achieved between the cable 100 and the HDMI interface 200, and breakage caused by overlong separation between the cable 100 and the HDMI interface 200 or damage to the internal HDMI core wire 104 caused by overlarge bending angle is avoided.
During operation, the two sides of the cable 100 are taken out from the bayonet 301, the cable 100 is taken down from the wire slot on the outer wall of the winding coil 300, meanwhile, the interface clamping frame 402 is clamped in the inner groove 201 of the HDMI interface 200, the limiting protruding blocks 403 are blocked on the outer side of the inner groove 201, and the HDMI interface 200 is prevented from being separated from the interface clamping frame 402. 404 are clamped on the outer wall of the end part of the cable 100, and the connection part of the cable 100 and the HDMI 200 is supported.
The metallic shielding layer 106 of the cable 100 serves as an anti-interference shielding function, and the metallic mesh braid 102 serves as a reinforcing structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An anti-interference HDMI signal transmission line, comprising:
a cable (100) and HDMI interfaces (200) connected to both ends of the cable (100);
the cable (100) comprises an outer protective layer (101), a metal mesh woven layer (102) arranged on the inner wall of the outer protective layer (101), an inner binding layer (103) arranged inside the metal mesh woven layer (102) and an HDMI core wire (104);
the outer surface of the HDMI core wire (104) is coated with an insulating layer (105), and the outer surface of the insulating layer (105) is coated with a metal shielding layer (106).
2. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the outer protective layer (101) is made of rubber material and is made of rubber material (101).
3. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the inner binding layer (103) is an aluminum foil paper layer which is arranged on the inner wall of the metal mesh weaving layer (102) in a winding mode.
4. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the insulating layer (105) is made of teflon, and the metal shielding layer (106) is a copper foil-shaped sheet.
5. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the outer periphery of the metal shielding layer (106) and the inner space of the inner binding layer (103) are filled with polyethylene particles.
6. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the anti-interference HDMI signal transmission line further comprises a winding coil (300), wherein the winding coil (300) is hollow and circular, and a wire slot is formed in the outer surface of the winding coil (300) in a spiral mode.
7. The tamper-resistant HDMI signal transmission line of claim 6, wherein: two ends of the wire slot of the winding coil (300) are provided with bayonets (301) for clamping the cable (100).
8. The tamper-resistant HDMI signal transmission line of claim 1, wherein: the anti-interference HDMI signal transmission line further comprises a clamping mechanism (400), wherein the clamping mechanism (400) comprises a bottom plate (401), an interface clamping frame (402) arranged at one end of the surface of the bottom plate (401) and a cable clamping frame (404) arranged at the other end of the surface of the bottom plate (401), the cable clamping frame (404) is clamped on the outer wall, close to one end of the HDMI interface (200), of the cable (100), a circle of inner groove (201) is formed in the outer wall of the HDMI interface (200), and the interface clamping frame (402) is clamped on the inner groove (201).
9. The tamper-resistant HDMI signal transmission line of claim 8, wherein: limiting protruding blocks (403) are arranged on two opposite sides inside the interface card frame (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257027.XU CN220065216U (en) | 2023-05-23 | 2023-05-23 | Anti-interference HDMI signal transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321257027.XU CN220065216U (en) | 2023-05-23 | 2023-05-23 | Anti-interference HDMI signal transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065216U true CN220065216U (en) | 2023-11-21 |
Family
ID=88762226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321257027.XU Active CN220065216U (en) | 2023-05-23 | 2023-05-23 | Anti-interference HDMI signal transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065216U (en) |
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2023
- 2023-05-23 CN CN202321257027.XU patent/CN220065216U/en active Active
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