CN111935420A - Method for infinitely expanding signal interface node - Google Patents
Method for infinitely expanding signal interface node Download PDFInfo
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- CN111935420A CN111935420A CN202010810247.5A CN202010810247A CN111935420A CN 111935420 A CN111935420 A CN 111935420A CN 202010810247 A CN202010810247 A CN 202010810247A CN 111935420 A CN111935420 A CN 111935420A
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- splicer
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000013307 optical fiber Substances 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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Abstract
The invention discloses a method for infinitely expanding signal interface nodes, which adopts node expanding equipment; the node expansion equipment adopts a plurality of multistage expansion equipment to cascade video signal nodes and a display unit; the node expansion equipment comprises a plurality of splicer nodes, a plurality of communication equipment and a display unit; the communication between the video signal node and the expansion equipment and between the expansion equipment at each level adopts an optical fiber transmission module, the number of splicer interfaces is not limited by bandwidth, the number of interfaces is not limited, the transmission of super-large video is not limited by transmission rate, the single-port transmission of signals above 4K60HZ is realized, and the cost is synchronously reduced.
Description
Technical Field
The invention relates to the technical field of splicer nodes, in particular to a method for infinitely expanding signal interface nodes.
Background
The number of interfaces of a common splicer is influenced by transmission bandwidth, and the interface of 320 paths of 2K is realized at most, however, as the display density of the LED screen is larger and larger, the area of the screen is larger and larger, and the number of the splicer interfaces has a tendency of limiting the use scene of a large screen. In addition, the transmission rate is limited, a common splicer transmits signals of 4K60HZ at maximum in a single port, if signals of 8K or greater resolution are required to be transmitted, multi-path signals are required to be spliced, so that a front-end signal source interface and a splicer-end interface are required to be added, the number of connected wires is also required to be increased, the cost is greatly increased, and the fault probability is increased. The number of interfaces of the existing splicer is limited by bandwidth, and the number of interfaces is limited; due to the limited transmission rate, signals above 4K60HZ are difficult to transmit in a single port, and the implementation cost is increased.
Disclosure of Invention
The invention aims to provide a method for infinitely expanding signal interface nodes, which solves the problem that the number of interfaces of the existing splicer is limited by bandwidth and the number of interfaces is limited; limited by the transmission rate, the signal above 4K60HZ is difficult to transmit in a single port.
In order to achieve the purpose, the invention provides the following technical scheme: a method for signal interface node infinite extension adopts node extension equipment; the node expansion equipment adopts a plurality of multistage expansion equipment to cascade video signal nodes and a display unit; the node expansion equipment comprises a plurality of splicer nodes, a plurality of communication equipment and a display unit; the communication between the video signal node and the expansion equipment and between the expansion equipment at each level adopts an optical fiber transmission module; the optical fiber transmission module is used for single-port transmission of signals above 4K60 Hz; the splicer node is connected with the optical fiber module interface of the communication equipment through the optical fiber module interface; the plurality of communication devices at the same level are also connected by adopting optical fiber modules; the splicer node is connected with the display unit; and the transmission rate between the video signal node and the expansion equipment is not less than 16.3 Gb/S.
Further, the node expansion equipment comprises primary communication equipment; the splicer node is connected with the primary communication equipment through the optical fiber module.
Furthermore, a plurality of communication devices at the same level of the node expansion device are also connected by optical fiber modules.
Further, the node expansion device comprises a secondary communication device; the number of video interfaces of the splicer nodes is X, the number of optical fiber interfaces of the primary communication equipment is N, the number of optical fiber interfaces of the secondary communication equipment is M, and the number of input interfaces which can be loaded is as follows: and X M N paths.
Further, the final-stage communication devices of the node extension device may be cascaded with each other.
Further, all the optical fiber interface modules in the device are in bidirectional transmission.
Compared with the prior art, the invention has the beneficial effects that:
according to the method for infinitely expanding the signal interface nodes, the number of splicer interfaces is not limited by bandwidth, the number of interfaces is not limited and is not limited by transmission rate, single-port transmission of signals above 4K60HZ is realized, and the cost is reduced by synchronization.
Drawings
FIG. 1 is a schematic structural diagram of a method for infinite extension of signal interface nodes according to the present invention;
FIG. 2 is a diagram of an application of the video signal interface node infinite extension method of the present invention;
FIG. 3 is a circuit diagram of a video signal interface node infinite extension method according to the present invention;
FIG. 4 is an auxiliary circuit diagram of a video signal interface node infinite extension method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a method for infinitely extending a signal interface node is provided, where a node extension device is adopted in the method for infinitely extending the signal interface node; the node expansion equipment adopts a plurality of multistage expansion equipment to cascade the video signal nodes and the display unit, so that the video signal nodes are greatly expanded. The node expansion equipment comprises a plurality of splicer nodes, a plurality of QSFP/QSFP28 expansion devices, a plurality of QSFP28/CFP expansion devices and a plurality of LED screens; the communication between the video signal node and the expansion equipment and between the expansion equipment at each level adopts an optical fiber transmission module for single-port transmission of signals above 4K60Hz, and the optical fiber interface module is in bidirectional transmission; the QSFP interface of the splicer node is connected with a QSFP/QSFP28 expansion device QSFP interface, the QSFP/QSFP28 expansion device QSFP28 interface is connected with a QSFP28/CFP expansion device QSFP28 interface, the QSFP28/CFP expansion devices are mutually cascaded through a CFP interface, and the splicer node is connected with the LED screen; in order to realize single-port transmission of signals above 4K60Hz, the transmission rate between the video signal node and the expansion equipment is not less than 16.3 Gb/S.
In order to ensure smooth communication among all video signal nodes, the communication rate between the newly added expansion equipment and the previous expansion equipment is more than twice of the communication rate of the previous expansion equipment, and the tail end expansion equipment can be mutually cascaded to realize the full exchange of all the equipment.
Wherein, QSFP: english is: a Quad Small Form-factor plug, four-channel SFP interface.
QSFP28：Quad 25Gigabit Small Form Factor Pluggable。
CFP: the 100G client module, which is pluggable in a form factor package, is a module capable of supporting hot plug.
The connector node QSFP interface is connected with the QSFP/QSFP28 expansion device QSFP interface through optical fibers.
The QSFP/QSFP28 expansion device QSFP28 interface is connected with the QSFP28/CFP expansion device QSFP28 interface through optical fibers.
The QSFP/QSFP28 expansion device 2 has N QSFP interfaces, the QSFP28/CFP expansion device QSFP28 interfaces, the QSFP28/CFP expansion device 1 has X QSFP28/CFP expansion device 1 interfaces, and the number of loadable input interfaces is: and 32M N X paths.
Preferably, the node expansion device comprises a primary communication device; the splicer node is connected with the primary communication equipment through the optical fiber module. In specific implementation, the node expansion device may design a first-level communication device, a second-level communication device, and other multi-level communication devices according to actual needs, where the first-level communication device, the second-level communication device, and the N-level communication device are the first-level expansion device and the second-level expansion device in the diagram, respectively.
Preferably, a plurality of communication devices at the same level of the node expansion device are also connected by optical fiber modules.
In this embodiment, the splicer nodes adopt QSFP interfaces to connect with QSFP interfaces in QSFP/QSFP28 expansion devices 2 to complete 40G bandwidth communication between the nodes and realize the call of 8K signals between different nodes, each QSFP/QSFP28 expansion device 2 adopts QSFP28 interfaces to connect with QSFP28 interfaces in QSFP28/CFP expansion devices 1 to complete 100G bandwidth communication between QSFP/QSFP28 expansion devices 2 and realize the flexible call of 8K signals among a plurality of nodes, a plurality of QSFP28/CFP expansion devices 1 are cascaded with each other through CFP interfaces to realize data exchange, thus, a splicer node is calculated (converted into 32 2K signals) according to an 8K signal input and an 8K signal output, QSFP/QSFP28 expansion devices 2 are 48-way, QSFP28/CFP expansion devices 1 are 16-way, and the number of QSFP28/CFP expansion devices 1 is 5. The number of input interfaces that can be loaded is: 32 × 48 × 16 × 5=122880 paths, and the number can be increased by multiple times through the expansion of the expansion device and the increase of the expansion device.
In summary, according to the method for unlimited expansion of signal interface nodes, the number of splicer interfaces is not limited by bandwidth, the number of interfaces is not limited and is not limited by transmission rate, single-port transmission of signals above 4K60HZ is realized, and the cost is reduced by synchronization.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A method for signal interface node infinite extension is characterized in that a node extension device is adopted in the method for signal interface node infinite extension; the node expansion equipment adopts a plurality of multistage expansion equipment to cascade video signal nodes and a display unit; the node expansion equipment comprises a plurality of splicer nodes, a plurality of communication equipment and a display unit; the communication between the video signal node and the expansion equipment and between the expansion equipment at each level adopts an optical fiber transmission module; the optical fiber transmission module is used for single-port transmission of signals above 4K60 Hz; the splicer node is connected with an optical fiber module interface of the communication equipment through an optical fiber module interface, the plurality of pieces of communication equipment at the same level are also connected by adopting optical fiber modules, and the splicer node is connected with the display unit; and the transmission rate between the video signal node and the expansion equipment is not less than 16.3 Gb/S.
2. The method of claim 1, wherein said node expansion device comprises a primary communication device; the splicer node is connected with the primary communication equipment through the optical fiber module.
3. The method as claimed in claim 2, wherein the plurality of communication devices of the node expansion device are connected by fiber optic modules.
4. The method of claim 2, wherein said node expansion device comprises a secondary communication device; the number of video interfaces of the splicer nodes is X, the number of optical fiber interfaces of the primary communication equipment is N, the number of optical fiber interfaces of the secondary communication equipment is M, and the number of input interfaces which can be loaded is as follows: and X M N paths.
5. The method of claim 1, wherein the final communication devices of the node expansion device are cascaded with each other.
6. The method of claim 1, wherein all fiber optic interface modules in the apparatus are bi-directional.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010810247.5A CN111935420A (en) | 2020-08-13 | 2020-08-13 | Method for infinitely expanding signal interface node |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401598A (en) * | 2013-07-17 | 2013-11-20 | 三维通信股份有限公司 | Novel multi-network-integrated indoor distribution system |
| CN104754305A (en) * | 2015-03-26 | 2015-07-01 | 北京德普视讯科技有限公司 | Tiled display control system based on cloud computing technology, image display method adopting system and application of system |
| CN109256084A (en) * | 2018-10-29 | 2019-01-22 | 深圳市摩西尔电子有限公司 | It can cascade LED display control card, the cascade control method of realization and HDMI signal processing method |
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2020
- 2020-08-13 CN CN202010810247.5A patent/CN111935420A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401598A (en) * | 2013-07-17 | 2013-11-20 | 三维通信股份有限公司 | Novel multi-network-integrated indoor distribution system |
| CN104754305A (en) * | 2015-03-26 | 2015-07-01 | 北京德普视讯科技有限公司 | Tiled display control system based on cloud computing technology, image display method adopting system and application of system |
| CN109256084A (en) * | 2018-10-29 | 2019-01-22 | 深圳市摩西尔电子有限公司 | It can cascade LED display control card, the cascade control method of realization and HDMI signal processing method |
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