WO2022062257A1 - 一种中控小板和视频编码系统 - Google Patents

一种中控小板和视频编码系统 Download PDF

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WO2022062257A1
WO2022062257A1 PCT/CN2020/141439 CN2020141439W WO2022062257A1 WO 2022062257 A1 WO2022062257 A1 WO 2022062257A1 CN 2020141439 W CN2020141439 W CN 2020141439W WO 2022062257 A1 WO2022062257 A1 WO 2022062257A1
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central control
transceiver
protocol
control board
encoder
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PCT/CN2020/141439
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English (en)
French (fr)
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郑灿晓
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威创集团股份有限公司
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

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  • the present application relates to the technical field of video processing, and in particular, to a central control board and a video encoding system.
  • IP encoders are widely used in related fields of video processing.
  • the present application provides a central control board and a video encoding system, which solves the problem that the existing infrared control and remote control functions of IP encoders can be realized through additional central control equipment.
  • this implementation method has high cost and complicated wiring. Defective technical issues.
  • a first aspect of the present application provides a small central control board, including: an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver, and a first central control interface;
  • the remote controller, the protocol extender, the infrared transceiver, the RS485 transceiver, and the RS232 transceiver are all connected to the MCU;
  • the infrared transceiver is used to receive or transmit infrared signals
  • the RS485 transceiver is used to receive or send RS485 signals
  • the RS232 transceiver is used to receive or transmit RS232 signals
  • the protocol expander is used to expand the preset protocol under the control of the MCU;
  • the remote controller for remotely controlling the device connected with the infrared transceiver
  • the first central control interface and the second central control interface of the IP encoder are connected in correspondence, and are used for integrating the central control board on the IP encoder.
  • the expansion interface corresponding to the protocol expander is an isolated interface.
  • the preset protocols include: IIC protocol, single bus protocol, SPI simplex protocol and UART protocol.
  • a second aspect of the present application provides a video encoding system, including: an IP encoder and the central control board according to the first aspect;
  • the second central control interface of the IP encoder is connected to the first central control interface of the central control board.
  • Described IP encoder includes: expansion module, exchange module and several encoding modules;
  • the expansion module is used to divide the video signal collected by the source interface of the IP encoder into several sub-video signals;
  • the encoding module is configured to encode the sub-video signal according to the preset encoding mode corresponding to the encoding module to obtain Ethernet data;
  • the switching module is used for outputting the Ethernet data to an output panel.
  • the number of the encoding modules is two;
  • the number of the sub video signals is two.
  • the preset coding modes corresponding to the two coding modules are respectively: network compression coding and network lossless coding.
  • the source interface is also used to collect audio signals, USB signals and central control signals received via the second central control interface.
  • the IP encoder also includes: a detection module
  • the detection module is configured to detect the video signal to determine whether the video signal is a normal signal.
  • the switching module is specifically a Gigabit switch.
  • the embodiments of the present application have the following advantages:
  • the central control board in this application includes: MCU, remote controller, protocol expander, infrared transceiver, RS485 transceiver, RS232 transceiver and a first central control interface; remote controller, protocol expander, infrared transceiver, RS485 transceiver and RS232 transceiver are connected to MCU; infrared transceiver, used to receive or send infrared signal; RS485 transceiver, used to receive or send RS485 signal; RS232 transceiver, used to receive or send RS232 signal; protocol extension The controller is used to extend the preset protocol under the control of the MCU; the remote controller is used to remotely control the equipment connected to the infrared transceiver; the first central control interface and the second central control interface of the IP encoder are correspondingly connected.
  • the central control board in this application can realize the remote control function through the remote controller, realize the infrared control function through the infrared transceiver, realize the sending and receiving of RS485 signals through the RS485 transceiver, realize the sending and receiving of the RS232 signal through the RS232 transceiver, and extend the protocol through the
  • the device implements the corresponding protocol expansion, and for the central control board that implements the above functions, the central control board in this application is attached to the IP coding box with the device, which does not require additional purchases, is convenient and flexible, and does not require additional line connections. etc., so as to solve the existing technical problems such as high cost and complicated wiring that the infrared control and remote control functions of the IP encoder are realized through an additional central control device.
  • FIG. 1 is a schematic structural diagram of an embodiment of a central control panel provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of an embodiment of a video coding system provided by an embodiment of the present application.
  • the embodiments of the present application provide a small central control board and a video encoding system, which solves the problem that the existing infrared control and remote control functions of the IP encoder can be realized through additional central control equipment.
  • this implementation method has high cost and wiring.
  • Technical problems such as complex and other defects.
  • FIG. 1 is a schematic structural diagram of an embodiment of a small central control board provided by an embodiment of the present application.
  • the central control board in this embodiment includes: an MCU, a remote controller, a protocol extender, an infrared transceiver, an RS485 transceiver, an RS232 transceiver, and a first central control interface; a remote controller, a protocol extender, an infrared transceiver , RS485 transceiver, RS232 transceiver are connected with MCU; infrared transceiver, used to receive or send infrared signal; RS485 transceiver, used to receive or send RS485 signal; RS232 transceiver, used to receive or send RS232 signal; protocol The expander is used to expand the preset protocol under the control of the MCU; the remote controller is used to remotely control the equipment connected to the infrared transceiver; the first central control interface and the second central control interface of the IP encoder are connected in correspondence , used to integrate the central control board on the IP encoder.
  • the small central control board in this embodiment is connected to the IP encoder through the first central control interface, and the small central control board has infrared receiving and sending functions, which can be remotely controlled, and can also be remotely controlled by other devices.
  • Infrared equipment with a set of dry contact interfaces, can be used for functions such as remote switching on and off the source equipment, with RS485 transceiver and RS232 transceiver, which can meet diversified communication needs and conform to the existing commonly used central control equipment communication protocol.
  • the central control board also includes a protocol expander. Through the training of the host computer, various protocols can be expanded such as IIC, single bus, SPI simplex, UART and other expansion protocols to meet the diversified customization needs of users.
  • the expansion interface corresponding to the protocol expander in this embodiment is an isolated interface.
  • the corresponding interfaces of other corresponding transceivers are also isolated interfaces, so that when the user equipment is poorly isolated from the power grid, the IP encoder can be better protected by this isolation technology, which is safe and reliable. It can be understood that the isolation interface, that is, the interface is physically isolated from the internal circuit, can well protect the internal circuit.
  • the central control board in this embodiment can realize the remote control function through the remote controller, the infrared control function through the infrared transceiver, the RS485 signal transmission and reception through the RS485 transceiver, the RS232 signal transmission and reception through the RS232 transceiver, and the protocol
  • the expander implements the corresponding protocol expansion, and for the central control board that implements the above functions, the central control board in this application is attached to the IP encoding box with the device, which does not require additional purchases, is convenient and flexible, and does not require additional lines. Connection, etc., thus solving the existing infrared control and remote control functions of IP encoders through additional central control equipment.
  • this implementation has technical problems such as high cost and complex wiring.
  • FIG. 2 is a schematic structural diagram of an embodiment of a video coding system provided by the present application.
  • the video encoding system in this embodiment includes: an IP encoder and the central control board according to the first aspect; the second central control interface of the IP encoder is connected to the first central control interface of the central control board.
  • the IP encoder in this embodiment includes: an expansion module, a switching module and several encoding modules; the expansion module is used to divide the video signal collected by the source interface of the IP encoder into several sub-video signals; According to the preset coding mode corresponding to the coding module, the sub-video signal is coded to obtain Ethernet data; the switching module is used for outputting the Ethernet data to the output panel.
  • the number of encoding modules is two; the number of sub-video signals is two.
  • the preset encoding modes corresponding to the two encoding modules are: network compression encoding and network lossless encoding.
  • the source interface in this embodiment is also used to collect audio signals, USB signals, and central control signals received via the second central control interface.
  • the IP encoder in this embodiment further includes: a detection module; and a detection module for detecting the video signal to determine whether the video signal is a normal signal.
  • a standard video signal may be preset in the detection module. After receiving a new video signal, the signal strength, characteristics, etc. of the standard video signal and the new video signal are compared. Similarity. When the similarity between the two or the difference between the two is small, the new video signal is considered to be a normal signal.
  • the switch module is specifically a Gigabit switch.
  • the functions implemented by the IP encoder in this application are to collect source signals, audio signals, USB signals, and central control signals, then encode and convert them into Ethernet data through an encoding module, and send them out through an RJ45 Ethernet port.
  • the IP encoder also includes a detection module for detecting whether the captured video signal is normal and displayed locally.
  • the IP encoder of the present invention divides the video signal collected by the source interface into two video stream channels through the expansion module, and performs compression encoding in two different encoding modules respectively.
  • the two encoding modules mainly differ in the encoding delay.
  • the two different encoding modules are compressed and encoded by different encoding methods and converted into Ethernet data respectively, sent to the switching module, and then connected to the two-way RJ45 interface of the output panel through the switching module.
  • the Ethernet output panel interface of the IP encoder also supports two-way SFP optical port output, and the two-way optical port and two-way RJ45 interface can be fully switched through the switching module.
  • Two different encoding schemes are adopted, which can not only increase the video stream acquisition and processing capacity of the system, but also flexibly select different channels or perform channel backup to ensure application reliability.
  • the second central control interface can receive and send infrared signals, serial RS232 signals, RS485 signals and control the source switch.
  • a central control interface is reserved through the IP encoder, and a central control board with a multi-function interface is superimposed on this central control interface, which can realize infrared transceiver, remote switch on and off source equipment, RS232, RS485, protocol expansion Compared with traditional central control equipment, it has low cost, simple implementation and rich functions.
  • the IP encoder is attached to the device without additional purchase, and the interface can be expanded through the attached host computer software training.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution.
  • the computer software product is stored in a storage medium, including a number of instructions for So that a computer device (which may be a personal computer, a server, or a network device, etc.) executes all or part of the steps of the methods in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (full English name: Read-Only Memory, English abbreviation: ROM), random access memory (English full name: Random Access Memory, English abbreviation: RAM), magnetic Various media that can store program codes, such as discs or optical discs.

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Abstract

一种中控小板和视频编码系统，中控小板通过远程控制器实现远程控制功能、通过红外收发器实现红外控制功能、通过RS485收发器实现RS485信号的收发、通过RS232收发器实现RS232信号的收发、通过协议扩展器实现对应的协议扩展，对于实现上述功能的中控小板，本中控小板在IP编码盒上随机器附带，不需额外采购，方便灵活，也不需要额外的线路连接等，从而解决了现有对于IP编码器的红外控制、远程控制功能等通过额外的中控设备实现，实现方式存在成本高昂和布线复杂等缺陷的技术问题。

Description

一种中控小板和视频编码系统
本申请要求于2020年09月24日提交中国专利局、申请号为202011017859.5、发明名称为“一种中控小板和视频编码系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及视频处理技术领域，尤其涉及一种中控小板和视频编码系统。
背景技术
随着音视频行业技术不断发展以及IP编码技术的成熟，低延时编码技术成本逐渐降低，IP编码器广泛应用于视频处理的相关领域。
在使用IP编码器的过程中，往往需要使用到红外控制、远程控制功能等，现有技术中对于上述功能大都通过额外的中控设备实现，然而该实现方式存在成本高昂和布线复杂等缺陷。
发明内容
本申请提供了一种中控小板和视频编码系统，解决了现有对于IP编码器的红外控制、远程控制功能等通过额外的中控设备实现，然而该实现方式存在成本高昂和布线复杂等缺陷的技术问题。
有鉴于此，本申请第一方面提供了一种中控小板，包括：MCU、远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器和第一中控接口；
所述远程控制器、所述协议扩展器、所述红外收发器、所述RS485收发器、所述RS232收发器均和所述MCU连接；
所述红外收发器，用于接收或发送红外信号；
所述RS485收发器，用于接收或发送RS485信号；
所述RS232收发器，用于接收或发送RS232信号；
所述协议扩展器，用于在所述MCU控制下进行预置协议的扩展；
所述远程控制器，用于远程控制与所述红外收发器连接的设备；
所述第一中控接口和IP编码器的第二中控接口对应配合连接，用于将所述中控小板集成于所述IP编码器上。
可选地，
所述协议扩展器对应的扩展接口为隔离接口。
可选地，
所述预置协议包括：IIC协议、单总线协议、SPI单工协议和UART协议。
本申请第二方面提供了一种视频编码系统，包括：IP编码器和如第一方面所述的中控小板；
所述IP编码器的第二中控接口和所述中控小板的第一中控接口连接。
可选地，
所述IP编码器包括：扩展模块、交换模块和若干编码模块；
所述扩展模块，用于将所述IP编码器的信源接口采集的视频信号分成若干子视频信号；
所述编码模块，用于根据该编码模块对应的预置编码方式，将所述子视频信号进行编码，得到以太网数据；
所述交换模块，用于输出所述以太网数据至输出面板。
可选地，
所述编码模块的数量为两个；
所述子视频信号的数量为两个。
可选地，
两个所述编码模块对应的预置编码方式分别是：网络压缩编码和网络无损编码。
可选地，
所述信源接口还用于采集音频信号、USB信号和经由所述第二中控接口接收到的中控信号。
可选地，
所述IP编码器还包括：检测模块；
所述检测模块，用于对所述视频信号进行检测，以判断所述视频信号 是否为正常信号。
可选地，
所述交换模块具体为千兆交换机。
从以上技术方案可以看出，本申请实施例具有以下优点：
本申请中的中控小板包括：MCU、远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器和第一中控接口；远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器均和MCU连接；红外收发器，用于接收或发送红外信号；RS485收发器，用于接收或发送RS485信号；RS232收发器，用于接收或发送RS232信号；协议扩展器，用于在MCU控制下进行预置协议的扩展；远程控制器，用于远程控制与红外收发器连接的设备；第一中控接口和IP编码器的第二中控接口对应配合连接，用于将中控小板集成于IP编码器上。本申请中的中控小板可以通过远程控制器实现远程控制功能、通过红外收发器实现红外控制功能、通过RS485收发器实现RS485信号的收发、通过RS232收发器实现RS232信号的收发、通过协议扩展器实现对应的协议扩展，而对于实现上述功能的中控小板，本申请中的中控小板在IP编码盒上随机器附带，不需额外采购，方便灵活，也不需要额外的线路连接等，从而解决了现有对于IP编码器的红外控制、远程控制功能等通过额外的中控设备实现，然而该实现方式存在成本高昂和布线复杂等缺陷的技术问题。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例提供的一种中控小板的实施例的结构示意图；
图2为本申请实施例提供的一种视频编码系统的实施例的结构示意图。
具体实施方式
本申请实施例提供了一种中控小板和视频编码系统，解决了现有对于IP编码器的红外控制、远程控制功能等通过额外的中控设备实现，然而该实现方式存在成本高昂和布线复杂等缺陷的技术问题。
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请中的附图，对本申请中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
可以参见图1，图1为本申请实施例提供的一种中控小板的实施例的结构示意图。
本实施例中的中控小板包括：MCU、远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器和第一中控接口；远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器均和MCU连接；红外收发器，用于接收或发送红外信号；RS485收发器，用于接收或发送RS485信号；RS232收发器，用于接收或发送RS232信号；协议扩展器，用于在MCU控制下进行预置协议的扩展；远程控制器，用于远程控制与红外收发器连接的设备；第一中控接口和IP编码器的第二中控接口对应配合连接，用于将中控小板集成于IP编码器上。
可以理解的是，本实施例中的中控小板通过第一中控接口连接至IP编码器上，中控小板带有红外接收和发送功能，即可被远程遥控，也可远程遥控其他红外设备，带有一组干接点接口，可用于远程开关机信源设备等功能，带有RS485收发器和RS232收发器，可满足多元化的通讯需求符合现有常用的中控设备通讯协议，另中控小板还包括协议扩展器,通过上位机训练，可进行各种协议扩展如IIC,单总线，SPI单工，UART等扩展协议，满足用户多元化定制需求。
本实施例中的协议扩展器对应的扩展接口为隔离接口。对应的其他收发器对应的接口也为隔离接口，这样当用户设备与电网隔离较差时，通过这一隔离技术，可对IP编码器进行较好的保护，安全可靠。可以理解的是，隔离接口即该接口跟内部电路是物理隔离开的，可很好的保护内部电路。
本实施例中的中控小板可以通过远程控制器实现远程控制功能、通过红外收发器实现红外控制功能、通过RS485收发器实现RS485信号的收发、通过RS232收发器实现RS232信号的收发、通过协议扩展器实现对应的协议扩展，而对于实现上述功能的中控小板，本申请中的中控小板在IP编码盒上随机器附带，不需额外采购，方便灵活，也不需要额外的线路连接等，从而解决了现有对于IP编码器的红外控制、远程控制功能等通过额外的中控设备实现，然而该实现方式存在成本高昂和布线复杂等缺陷的技术问题。
以上为对本申请实施例提供的一种中控小板的实施的说明。下面请参见图2，图2为本申请提供的一种视频编码系统的实施例的结构示意图。
本实施例中的视频编码系统包括：IP编码器和如第一方面的中控小板；IP编码器的第二中控接口和中控小板的第一中控接口连接。
进一步地，本实施例中的IP编码器包括：扩展模块、交换模块和若干编码模块；扩展模块，用于将IP编码器的信源接口采集的视频信号分成若干子视频信号；编码模块，用于根据该编码模块对应的预置编码方式，将子视频信号进行编码，得到以太网数据；交换模块，用于输出以太网数据至输出面板。
进一步地，编码模块的数量为两个；子视频信号的数量为两个。
可以理解的是，两个编码模块对应的预置编码方式分别是：网络压缩编码和网络无损编码。
具体地，本实施例中的信源接口还用于采集音频信号、USB信号和经由第二中控接口接收到的中控信号。
进一步地，本实施例中的IP编码器还包括：检测模块；检测模块，用于对视频信号进行检测，以判断视频信号是否为正常信号。
可以理解的是，对于视频信号的检测，可以是检测模块中预先设置有标准视频信号，当接收到新的视频信号后，通过比较标准视频信号和新的视频信号的信号强度、特征等的相似度，当二者相似度或者二者之间的差值较小时，则认为新的视频信号为正常信号。
进一步地，交换模块具体为千兆交换机。
本申请中的IP编码器实现的功能是采集信源信号、音频信号、USB信号、中控信号，然后通过编码模块编码转换为以太网数据，通过RJ45 以太网口发送出去。IP编码器还包括检测模块，用于检测采集的视频信号是否正常和本地显示。
本发明的IP编码器对信源接口采集到的视频信号通过扩展模块分成两个视频流通道，分别在两个不同的编码模块进行压缩编码。两个编码模块主要在于编码时延有差异。两个不同编码模块通过不同的编码方式压缩编码分别转换为以太网数据，送入交换模块，然后通过交换模块连接至输出面板的两路RJ45接口。
IP编码器的以太网输出面板接口还支持两路SFP光口输出，两路光口与两路RJ45接口可通过交换模块进行全交换。采用两种不同编码方案，既可以增加系统视频流采集处理容量，又可以灵活选择不同通道或进行通道备份，保证应用可靠性。通过第二中控接口可以接收和发送红外信号、串口RS232信号、RS485信号和控制信源开关机。
本实施例中通过IP编码器预留一个中控接口，在这一中控接口叠加一个多功能接口的中控小板，可实现红外收发，远程开关机信源设备，RS232，RS485，协议拓展等功能，相较于传统的中控设备，成本低廉，实现简单，功能丰富。通过多功能接口的中控小板，可实现原先需一套昂贵的中控设备才能实现的功能，在IP编码器随机器附带，不需额外采购，可通过随机附带的上位机软件训练拓展接口的各种功能，方便灵活，满足现用户物美价廉的要求。
本申请的说明书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例例如能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是 个人计算机，服务器，或者网络设备等)执行本申请各个实施例方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(英文全称：Read-Only Memory，英文缩写：ROM)、随机存取存储器(英文全称：Random Access Memory，英文缩写：RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的精神和范围。

Claims (10)

  1. 一种中控小板，其特征在于，包括：MCU、远程控制器、协议扩展器、红外收发器、RS485收发器、RS232收发器和第一中控接口；
    所述远程控制器、所述协议扩展器、所述红外收发器、所述RS485收发器、所述RS232收发器均和所述MCU连接；
    所述红外收发器，用于接收或发送红外信号；
    所述RS485收发器，用于接收或发送RS485信号；
    所述RS232收发器，用于接收或发送RS232信号；
    所述协议扩展器，用于在所述MCU控制下进行预置协议的扩展；
    所述远程控制器，用于远程控制与所述红外收发器连接的设备；
    所述第一中控接口和IP编码器的第二中控接口对应配合连接，用于将所述中控小板集成于所述IP编码器上。
  2. 根据权利要求1所述的中控小板，其特征在于，所述协议扩展器对应的扩展接口为隔离接口。
  3. 根据权利要求1所述的中控小板，其特征在于，所述预置协议包括：IIC协议、单总线协议、SPI单工协议和UART协议。
  4. 一种视频编码系统，其特征在于，包括：IP编码器和如权利要求1至3中任一项所述的中控小板；
    所述IP编码器的第二中控接口和所述中控小板的第一中控接口连接。
  5. 根据权利要求4所述的视频编码系统，其特征在于，所述IP编码器包括：扩展模块、交换模块和若干编码模块；
    所述扩展模块，用于将所述IP编码器的信源接口采集的视频信号分成若干子视频信号；
    所述编码模块，用于根据该编码模块对应的预置编码方式，将所述子视频信号进行编码，得到以太网数据；
    所述交换模块，用于输出所述以太网数据至输出面板。
  6. 根据权利要求5所述的视频编码系统，其特征在于，所述编码模块的数量为两个；
    所述子视频信号的数量为两个。
  7. 根据权利要求6所述的视频编码系统，其特征在于，两个所述编码模块对应的预置编码方式分别是：网络压缩编码和网络无损编码。
  8. 根据权利要求5所述的视频编码系统，其特征在于，所述信源接口还用于采集音频信号、USB信号和经由所述第二中控接口接收到的中控信号。
  9. 根据权利要求5所述的视频编码系统，其特征在于，所述IP编码器还包括：检测模块；
    所述检测模块，用于对所述视频信号进行检测，以判断所述视频信号是否为正常信号。
  10. 根据权利要求5所述的视频编码系统，其特征在于，所述交换模块具体为千兆交换机。
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