CN213244178U

CN213244178U - External device of splicer backplate

Info

Publication number: CN213244178U
Application number: CN202021828939.4U
Authority: CN
Inventors: 孙传杰; 牛树美; 赵宇萌; 欧红波
Original assignee: Shenzhen Eye Video Technology Co ltd
Current assignee: Shenzhen Eye Video Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-18
Anticipated expiration: 2030-08-26

Abstract

The utility model provides an external device of splicer backboard, comprising at least one input interface module, at least one output interface module, a backboard module and an upper computer; each input interface module and each output interface module are provided with optical fiber interfaces which are connected with the back plate module; each input interface module and each output interface module are provided with a video signal transmission interface, each input interface module is connected with a signal source through the video signal transmission interface, and each output interface module is connected with display equipment through the video signal transmission interface; the upper computer is provided with a serial port or a network port and is connected with the back plate module or the input interface module or the output interface module through the serial port or the network port. The utility model discloses separation input interface, output interface, backplate modularization of formation adds the optical fiber interface that can remote, high-speed transmission simultaneously, and what can be more nimble is applicable to various scenes, and the locating place can not be subject to transmission distance, the cost is reduced.

Description

External device of splicer backplate

Technical Field

The utility model relates to a show technical field, in particular to external device of splicer backplate.

Background

As video processing equipment, a splicer is generally adopted, wherein an input board card, an output board card, a control board card and a back board are integrated into a chassis, and in order to meet some large display scenes, a large number of input and output board cards are required, so that the chassis needs to be made large, at present, chassis with the height of 16U, 24U and the like are more and more common (1U is 44.45mm, namely the height of 24U equipment is 1.0668 meters), and the manufacturing cost and the installation and maintenance cost of the large and heavy equipment are very high; meanwhile, the equipment is concentrated in one case, so that the equipment is not flexible to use, a signal source and display equipment cannot be far away from the case and cannot remotely transmit video source signals, the arrangement position of the equipment is greatly limited, and a host capable of providing the signal source can only be specially used for providing the signal source under many conditions. Therefore, how to make the splicer more flexibly adapt to various application scenarios and reduce the manufacturing cost becomes a problem to be considered. The existing splicer structure case is large and heavy, and the manufacturing cost is high; the application scenario is not flexible enough and the video source signal cannot be transmitted over a long distance.

Based on this, an external device of the splicer backplane, which has a simple structure, low cost and modularization, is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an external device of splicer backplate for the splicer is more nimble, convenient and practical through to various interfaces and the integrated modularization of backplate, add optical fiber interface.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a splicer backboard external device relates to a display module and a signal source, and comprises at least one input interface module, at least one output interface module, a backboard module and an upper computer;

each input interface module and each output interface module are provided with optical fiber interfaces which are connected with the back plate module;

each input interface module and each output interface module are respectively provided with a video signal transmission interface, each input interface module is connected with a signal source through a video signal transmission interface, and each output interface module is connected with display equipment through a video signal transmission interface;

the upper computer is provided with a serial port or a network port, and is connected with the back plate module or the input interface module or the output interface module through the serial port or the network port.

Further, the types of the optical fiber interface include SFP, SFP +, CXP, SFP28, QSFP +, QSFP28, CFP2, CFP4, CFP8, OSFP, DSFP compliant with ethernet communication protocol or infiniband protocol.

Further, the types of the video signal transmission interface include VGA, DVI, HDMI, DP, SDI, RJ45, and fiber interface.

Furthermore, the bandwidth of the optical fiber interface is not less than the data volume of the signal transmitted by the video interface transmission interface.

Further, the specific type of the HDMI is HDMI2.0 or HDMI 2.1.

Further, the specific type of the DP is DP1.2, DP1.4 or DP 2.1.

Furthermore, a plurality of optical fiber interfaces matched with the input interface module and the output interface module are arranged on the back plate module.

Furthermore, each optical fiber interface, the serial port or the network port and the video signal transmission interface are connected through corresponding and matched connecting lines.

Has the advantages that: the utility model discloses external device of splicer backplate through separation input interface, output interface, backplate formation modularization, adds the optical fiber interface that can remote, high-speed transmission simultaneously, makes the splicer can be more nimble be applicable to various scenes, and equipment locating position is nimble and at transmission distance unrestricted, has reduced the cost simultaneously.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a first schematic structural diagram (including HDMI2.0 and QSFP interface optical fibers) of an external device for a back plate of a splicer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second external device of a back plate of a splicer according to an embodiment of the present invention (including DP1.4 and CFP interface optical fibers);

fig. 3 is a schematic diagram of a backplane module interface structure according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a part of pins of the FPGA on the backplane according to an embodiment of the present invention.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the prior art, the conventional splicer is large and heavy, and the manufacturing cost and the installation and maintenance cost are very high; in addition, the conventional equipment is not flexible enough to use, and both a signal source and display equipment are required to be too far away from a case and cannot remotely transmit video source signals; conventional splicers are often dedicated to providing signal sources only to hosts that are capable of providing signal sources.

Example 1

Based on the above drawbacks of the prior art, see fig. 1-4: the embodiment discloses an external device for a rear panel of a splicer, which relates to a display module and a signal source and comprises at least one input interface module, at least one output interface module, a rear panel module and an upper computer;

This embodiment is through separating input interface, output interface, backplate and carrying out the modularization, through optical fiber interface, but add remote, high-speed transmission's optical fiber interface simultaneously, make the splicer can be more nimble be applicable to various scenes, equipment locating place is nimble and at transmission distance unrestricted, the cost has been reduced simultaneously.

In addition, the upper computer of this embodiment can select to communicate with the input interface module, the output interface module or the backplane module through a serial port or a network port (a three-out-of-one mode), so as to realize related functions of the splicer, such as splicing, windowing, intercepting, switching, scene saving and calling, and the like.

It should be noted that, since the optical fiber has a bidirectional transmission function, the upper computer can communicate with the FPGA and the video processing chip by connecting the input interface module, the output interface module, or the backplane module.

In a specific example, the types of the fiber optic interface include SFP, SFP +, CXP, SFP28, QSFP +, QSFP28, CFP2, CFP4, CFP8, OSFP, DSFP compliant with ethernet communication protocol or infiniband protocol. Wherein, SFP: english is: a Small Form-factor plug is an interface device that converts an electrical signal into an optical signal. CXP: 12 transmission channels are built in, each channel running at 10Gb/s, with a maximum speed of up to 120G, and are typically used with parallel multimode optical fiber ribbons with transmission distances of up to 100 meters. CFP: the 100G client module, which is pluggable in a form factor package, is a module capable of supporting hot plug. CFP 2: the new generation CFP module is smaller than the CFP module. CFP 4: the new generation of CFP module is smaller than CFP 2. CFP 8: the new generation of CFP module is smaller than CFP 4. OSFP: octal Small Form Factor plug. DSFP: a High Density Small Form-factor plug interface is a High Density SFP interface.

Specifically, the types of the video signal transmission interface include VGA, DVI, HDMI, DP, SDI, RJ45, and optical fiber interface.

In order to prevent the waste of bandwidth resources, it is preferable that the bandwidth of the optical fiber interface is not less than the data amount of the signal transmitted by the video interface transmission interface.

Referring to fig. 1: when the video signal transmission interface is an HDMI, the type of the optical fiber interface is QSFP which conforms to an Ethernet communication protocol or an InfiniBand protocol, and the specific type of the HDMI is HDMI 2.0. The HDMI interface of version 2.0 can transmit signals of 4K 60HZ at most.

Referring to fig. 2: when the video signal transmission interface is DP, the type of the optical fiber interface is CFP conforming to ethernet communication protocol or infiniband protocol, and the specific model of the DP is DP 1.4. And the DP interface of the version 1.4 supports the transmission of 8K 60Hz signals at most.

Referring to fig. 3: the back board module is provided with a plurality of optical fiber interfaces matched with the input interface module and the output interface module, the back board module is provided with a serial port or a network port matched with an upper computer, and each optical fiber interface, the serial port or the network port and the video signal transmission interface are connected through corresponding matched connecting wires.

The working principle of the embodiment is as follows: the input interface module converts and arranges signals and transmits the signals to the backplane module through the optical fiber module, and the type of the optical fiber interface can be SFP, SFP +, CXP, SFP28, QSFP +, QSFP28, CFP2, CFP4, CFP8, OSFP and DSFP which conform to an Ethernet communication protocol or an InfiniBand protocol.

After the backplate module received the signal of numerous input interface module transmissions, according to the instruction of host computer, FPGA cooperation video processing chip handled the signal, including concatenation, windowing, intercepting, switching, scene save and transfer etc. wherein, FPGA: a semi-custom circuit in an integrated circuit is a programmable logic array, and the basic structure comprises a programmable input/output unit, a configurable logic block, a digital clock management module, an embedded block RAM, a wiring resource, an embedded special hard core and a bottom embedded functional unit.

The instruction of the upper computer is communicated (in a one-out-of-three mode) by connecting the input interface module, the output interface module or the back board module through the serial port or the network port of the upper computer, and the upper computer can be communicated with the FPGA and the video processing chip by connecting the input interface module, the output interface module or the back board module because the optical fiber has the function of bidirectional transmission.

The processed signals are output to each appointed output interface module through the optical fiber module, the output interface module converts and arranges the signals, the signals are transmitted to the display device through the video signal transmission interface to be displayed, and the selection ranges of the optical fiber module and the video signal transmission interface are the same as those of the input interface module.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A splicer backboard external device relates to a display module and a signal source, and is characterized by comprising at least one input interface module, at least one output interface module, a backboard module and an upper computer;

2. The external device of the splice backplane of claim 1, wherein the type of the fiber optic interface comprises SFP or SFP + or CXP or SFP28 or QSFP + or QSFP28 or CFP2 or CFP4 or CFP8 or OSFP or DSFP compliant with ethernet communication protocol or infiniband protocol.

3. The external device as claimed in claim 1, wherein the type of the video signal transmission interface comprises VGA, DVI, HDMI, DP, SDI, RJ45 or optical fiber interface.

4. The external device as claimed in claim 2 or 3, wherein the bandwidth of the optical fiber interface is not less than the data amount of the signal transmitted by the video interface transmission interface.

5. The external device of claim 3, wherein the specific type of HDMI is HDMI2.0 or HDMI 2.1.

6. The external device of claim 3, wherein the specific DP is DP1.2, DP1.4, or DP 2.1.

7. The external device of claim 1, wherein the backplane module comprises a plurality of optical fiber interfaces matching the input interface module and the output interface module.

8. The external device of claim 1, wherein the optical fiber interface, the serial port or the network port, and the video signal transmission interface are connected by corresponding and matched connecting lines.