CN110851252A - A protocol conversion device and protocol conversion method based on TSN architecture - Google Patents
A protocol conversion device and protocol conversion method based on TSN architectureDownload PDFInfo
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及一种基于TSN架构的规约转换设备和规约转换方法，属于工业网络技术领域。The invention relates to a protocol conversion device and a protocol conversion method based on TSN architecture, and belongs to the technical field of industrial networks.
背景技术Background technique
在分布式能源场景中，通常采用多种通信规约和多种通信传输装置，由于不同通信规约和通信传输装置之间的差异性，存在着多种不同类型的数据，这些数据的数据流量、重要性、对时间性能要求等都存在较大差别，因此如何保障不同类型的数据在网络中可靠及时传输，对多种通信传输装置业务的正常开展具有重要意义。In distributed energy scenarios, multiple communication protocols and multiple communication transmission devices are usually used. Due to the differences between different communication protocols and communication transmission devices, there are many different types of data. Therefore, how to ensure the reliable and timely transmission of different types of data in the network is of great significance to the normal development of various communication transmission device services.
通过引入规约转换设备，并将其作为各种通信传输装置和调控主站之间通信的桥梁，可以将不同的规约转换成统一的规约与调控主站进行通信，实现了不同类型的数据在网络中可靠及时传输。现有规约转换设备的系统架构如图1所示，包括物理硬件层、中间层(数据链路层)、系统软件层和功能应用层。其中，物理硬件层是整个系统的基础，支持串口通信技术和网口通信技术，可以实现相应接口数据的收集和发送；中间层处于硬件层与系统软件层之间，它是系统上层软件和底层硬件的连接通道；系统软件层主要包括嵌入式操作系统，用于负责对嵌入式系统全部软、硬件资源进行分配；在功能应用层，用户可以采用上层计算机语言通过调用系统函数和库函数的方式设计应用软件，实现设备的相应功能。By introducing a protocol conversion device and using it as a bridge for communication between various communication transmission devices and the control master station, different protocols can be converted into a unified protocol to communicate with the control master station. reliable and timely transmission. The system architecture of the existing protocol conversion device is shown in Figure 1, including a physical hardware layer, an intermediate layer (data link layer), a system software layer and a functional application layer. Among them, the physical hardware layer is the foundation of the entire system, supports serial communication technology and network port communication technology, and can realize the collection and transmission of corresponding interface data; the middle layer is between the hardware layer and the system software layer, which is the upper layer software and the bottom layer of the system. Hardware connection channel; the system software layer mainly includes the embedded operating system, which is responsible for allocating all software and hardware resources of the embedded system; in the functional application layer, users can use the upper computer language to call system functions and library functions. Design application software to realize the corresponding functions of the equipment.
但是，随着网络异构性增加以及承载业务的多样性，致使网络传输能力下降，难以确保QoS服务。而现有的规约转换设备在向调控主站发送分布式能源的监控数据时，当同一时间接收到很多数据时，数据需要排队等候，数据报文在网络中的传输时间既不确定也不可控。而随着分布式能源的调控尺度愈发精细，这样对于时间敏感型数据，由于传输时间较长，就不能够实现调控业务的实时可靠传输，无法满足分布式能源调控的需求。However, with the increase of network heterogeneity and the diversity of bearer services, the network transmission capacity is reduced, and it is difficult to ensure QoS services. However, when the existing protocol conversion device sends monitoring data of distributed energy resources to the control master station, when a lot of data is received at the same time, the data needs to wait in line, and the transmission time of data packets in the network is neither uncertain nor controllable . However, as the regulation scale of distributed energy resources becomes more and more refined, for time-sensitive data, due to the long transmission time, real-time and reliable transmission of regulation services cannot be achieved, and it cannot meet the needs of distributed energy regulation.
发明内容SUMMARY OF THE INVENTION
本发明的目的是提供一种基于TSN架构的规约转换设备和规约转换方法，用于解决现有时间敏感型数据传输时间较长，导致不满足分布式能源调控需求的问题。The purpose of the present invention is to provide a protocol conversion device and a protocol conversion method based on the TSN architecture, which are used to solve the problem that the existing time-sensitive data transmission time is long, resulting in not meeting the control requirements of distributed energy.
为解决上述技术问题，本发明提供了一种基于TSN架构的规约转换设备，包括物理硬件层、数据链路层和功能应用层，所述物理硬件层用于接收待进行规约转换的数据，所述数据链路层设置有时间敏感网络，所述时间敏感网络用于对物理硬件层接收到的待进行规约转换的数据进行解析，并根据数据类型将解析后的待进行规约转换的数据按照设定的优先级顺序发送给功能应用层；所述功能应用层按照所述设定的优先级顺序进行规约转换，并将转换后的数据按照所述设定的优先级顺序进行发送；其中，待进行规约转换的数据的时间敏感度越高，优先级越高；优先级高的先发送，优先级低的后发送。In order to solve the above-mentioned technical problems, the present invention provides a protocol conversion device based on TSN architecture, including a physical hardware layer, a data link layer and a functional application layer. The data link layer is provided with a time-sensitive network, and the time-sensitive network is used to parse the data to be subjected to protocol conversion received by the physical hardware layer, and to parse the parsed data to be subjected to protocol conversion according to the data type according to the design. The set priority order is sent to the function application layer; the function application layer performs protocol conversion according to the set priority order, and sends the converted data according to the set priority order; The higher the time sensitivity of the data to be converted, the higher the priority; the higher priority is sent first, and the lower priority is sent later.
本发明的有益效果是：通过在数据链路层设置时间敏感网络，该时间敏感网络可以为待进行规约转换的数据设定不同的优先级，这样可以为时间敏感度较高的数据即要求实时发送的数据设置较高的优先级以优先发送，避免了时间敏感度较高的数据排队等待，有效减小了时间敏感度较高的数据的传输时间，实现了实时发送，可以满足分布式能源调控需求。The beneficial effect of the present invention is that: by setting a time-sensitive network at the data link layer, the time-sensitive network can set different priorities for the data to be subjected to the protocol conversion, so that the data with high time sensitivity can be set in real time. The sent data is set with a higher priority to be sent first, which avoids the queuing of data with high time sensitivity, effectively reduces the transmission time of data with high time sensitivity, and realizes real-time transmission, which can meet the needs of distributed energy control needs.
作为设备的进一步改进，为了存储待进行规约转换的数据，规约转换设备包括一个实时数据库，所述物理硬件层将待进行规约转换的数据存储到所述实时数据库，所述时间敏感网络在所述实时数据库中对待进行规约转换的数据进行解析，并根据数据类型将解析后的待进行规约转换的数据按照设定的优先级顺序发送给功能应用层。As a further improvement of the device, in order to store the data to be subjected to the protocol conversion, the protocol conversion device includes a real-time database, and the physical hardware layer stores the data to be subjected to the protocol conversion to the real-time database, and the time-sensitive network is stored in the real-time database. The real-time database parses the data to be subjected to the protocol conversion, and sends the parsed data to be subjected to the protocol conversion to the functional application layer according to the set priority order according to the data type.
作为设备的进一步改进，为了合理设置数据传输的优先级，所述待进行规约转换的数据包括遥控、遥信、遥测和遥脉数据；其中，遥控、遥信、遥测和遥脉数据的优先级依次降低。As a further improvement of the device, in order to reasonably set the priority of data transmission, the data to be subjected to protocol conversion includes remote control, remote signaling, telemetry and remote pulse data; wherein, the priority of remote control, remote signaling, telemetry and remote pulse data decreasing in turn.
为解决上述技术问题，本发明还提供了一种基于TSN架构的规约转换方法，该规约转换方法应用于规约转换设备，所述规约转换设备的数据链路层设置有时间敏感网络，该规约转换方法的步骤如下：In order to solve the above-mentioned technical problems, the present invention also provides a protocol conversion method based on TSN architecture, the protocol conversion method is applied to a protocol conversion device, and the data link layer of the protocol conversion device is provided with a time-sensitive network, and the protocol conversion device is provided with a time-sensitive network. The steps of the method are as follows:
接收待进行规约转换的数据；Receive data to be converted into a protocol;
时间敏感网络对接收到的待进行规约转换的数据进行解析，并根据数据类型将解析后的待进行规约转换的数据按照设定的优先级顺序上送；The time-sensitive network parses the received data to be subjected to reduction conversion, and sends the parsed data to be subjected to reduction conversion according to the data type according to the set priority order;
按照所述设定的优先级顺序进行规约转换，并将转换后的数据按照所述设定的优先级顺序进行发送；Perform protocol conversion according to the set priority order, and send the converted data according to the set priority order;
其中，待进行规约转换的数据的时间敏感度越高，优先级越高；优先级高的先发送，优先级低的后发送。Among them, the higher the time sensitivity of the data to be subjected to the protocol conversion, the higher the priority; the higher priority is sent first, and the lower priority is sent later.
本发明的有益效果是：通过在数据链路层设置时间敏感网络，该时间敏感网络可以为待进行规约转换的数据设定不同的优先级，这样可以为时间敏感度较高的数据即要求实时发送的数据设置较高的优先级以优先发送，避免了时间敏感度较高的数据排队等待，有效减小了时间敏感度较高的数据的传输时间，实现了实时发送，可以满足分布式能源调控需求。The beneficial effect of the present invention is that: by setting a time-sensitive network at the data link layer, the time-sensitive network can set different priorities for the data to be subjected to the protocol conversion, so that the data with high time sensitivity can be set in real time. The sent data is set with a higher priority to be sent first, which avoids the queuing of data with high time sensitivity, effectively reduces the transmission time of data with high time sensitivity, and realizes real-time transmission, which can meet the needs of distributed energy control needs.
作为方法的进一步改进，为了存储待进行规约转换的数据，将待进行规约转换的数据存储到实时数据库，时间敏感网络在所述实时数据库中对待进行规约转换的数据进行解析，并根据数据类型将解析后的待进行规约转换的数据按照设定的优先级顺序上送。As a further improvement of the method, in order to store the data to be subjected to the reduction, the data to be converted is stored in a real-time database, and the time-sensitive network analyzes the data to be converted in the real-time database, and the The parsed data to be converted into a protocol is sent according to the set priority order.
作为方法的进一步改进，为了合理设置数据传输的优先级，所述待进行规约转换的数据包括遥控、遥信、遥测和遥脉数据；其中，遥控、遥信、遥测和遥脉数据的优先级依次降低。As a further improvement of the method, in order to reasonably set the priority of data transmission, the data to be subjected to protocol conversion includes remote control, remote signaling, telemetry and remote pulse data; wherein, the priority of remote control, remote signaling, telemetry and remote pulse data decreasing in turn.
附图说明Description of drawings
图1是现有技术的规约转换设备的系统架构图；1 is a system architecture diagram of a protocol conversion device in the prior art;
图2是本发明的基于TSN架构的规约转换设备的系统架构图；Fig. 2 is the system architecture diagram of the protocol conversion device based on TSN architecture of the present invention;
图3是本发明的基于TSN架构的规约转换设备的软件设计架构图；Fig. 3 is the software design architecture diagram of the protocol conversion device based on TSN architecture of the present invention;
图4是本发明的分布式能源的调控过程中的数据传输过程图。FIG. 4 is a data transmission process diagram in the regulation process of the distributed energy source of the present invention.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及具体实施例对本发明进行进一步详细说明。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
基于TSN架构的规约转换设备实施例：Embodiment of protocol conversion device based on TSN architecture:
本实施例提供了一种基于TSN架构的规约转换设备，该规约转换设备将规约转换与时间敏感网络配置一体化集成，通过给数据流配置优先级，并优先传输优先级高的关键数据，使优先级高的关键数据不必排队等候，节省了时间和资源，能够实现分布式能源调控中关键信息流的实时、可靠性传输。This embodiment provides a protocol conversion device based on the TSN architecture. The protocol conversion device integrates protocol conversion and time-sensitive network configuration. High-priority key data does not have to wait in line, saving time and resources, and enabling real-time and reliable transmission of key information flows in distributed energy regulation.
该基于TSN架构的规约转换设备的系统架构如图2所示，包括七层结构，其中第1层为物理硬件层、第2层为数据链路层，第5-7层为功能应用层，该基于TSN架构的规约转换设备的软件设计架构如图3所示。通过在该规约转换设备的数据链路层设置时间敏感网络，使得该规约转换设备除了具备多种规约处理功能外，还具备时间敏感网络的配置功能，可以确保实时关键信息可靠传输。另外，该规约转换设备还具备串口通信和网口通信功能、数据库储存功能、系统校时功能、看门狗重启等功能，由于此部分内容属于现有技术，此处不再赘述。The system architecture of the protocol conversion device based on the TSN architecture is shown in Figure 2, including a seven-layer structure, of which the first layer is the physical hardware layer, the second layer is the data link layer, and the fifth to seventh layers are the functional application layers. The software design architecture of the protocol conversion device based on the TSN architecture is shown in Figure 3. By setting a time-sensitive network at the data link layer of the protocol conversion device, the protocol conversion device not only has multiple protocol processing functions, but also has a time-sensitive network configuration function, which can ensure reliable transmission of real-time key information. In addition, the protocol conversion device also has the functions of serial communication and network port communication, database storage function, system time calibration function, watchdog restart and other functions. Since this part belongs to the prior art, it will not be repeated here.
该基于TSN架构的规约转换设备可以实现一种基于TSN架构的规约转换方法，具体包括以下内容：The protocol conversion device based on the TSN architecture can implement a protocol conversion method based on the TSN architecture, which specifically includes the following contents:
(1)物理硬件层接收分布式能源调控过程中的待进行规约转换的数据，并将接收到的待进行规约转换的数据存储到一个实时数据库中，该实时数据库为规约转换设备自身的数据库。(1) The physical hardware layer receives the data to be subjected to protocol conversion in the distributed energy regulation process, and stores the received data to be subjected to protocol conversion in a real-time database, which is the database of the protocol conversion device itself.
其中，待进行规约转换的数据包括分布式能源设备对应的监测设备发送给分布式能源控制中心的监测数据、分布式能源设备的控制器发送给分布式能源控制中心的控制数据，以及分布式能源控制中心下发的控制指令等，这些数据可以分为遥控、遥信、遥测和遥脉数据。Among them, the data to be converted by the protocol includes the monitoring data sent by the monitoring equipment corresponding to the distributed energy equipment to the distributed energy control center, the control data sent by the controller of the distributed energy equipment to the distributed energy control center, and the distributed energy The control instructions issued by the control center, etc., these data can be divided into remote control, remote signaling, telemetry and remote pulse data.
(2)数据链路层设置的时间敏感网络在实时数据库中读取待进行规约转换的数据，并对该待进行规约转换的数据进行解析。通过调用时间敏感网络协议栈，根据数据类型对解析后的数据进行优先级别定义，并将数据封装成帧，按照设定的优先级顺序发送给功能应用层。(2) The time-sensitive network set at the data link layer reads the data to be subjected to the protocol conversion in the real-time database, and parses the data to be subjected to the protocol conversion. By calling the time-sensitive network protocol stack, the priority level of the parsed data is defined according to the data type, the data is encapsulated into frames, and sent to the functional application layer according to the set priority order.
其中，在设置数据的优先级时，待进行规约转换的数据的时间敏感度越高，优先级越高。也就是，待进行规约转换的数据要求的传输实时性越高，则优先级越高。优先级高的先发送，优先级低的后发送。例如，对于传输实时性要求较高的分布式能源控制中心下发的控制指令，可以设置较高的优先级；或者，对于遥控、遥信、遥测和遥脉数据，可以设置遥控、遥信、遥测和遥脉数据的优先级依次降低。通过对待进行规约转换的数据设定优先级，可以使实时性要求较高的关键数据进行优先处理和传输，不必排队等候，以保证其实时性。Wherein, when setting the priority of the data, the higher the time sensitivity of the data to be subjected to the reduction, the higher the priority. That is, the higher the real-time transmission requirement of the data to be subjected to the protocol conversion, the higher the priority. Those with higher priority are sent first, and those with lower priority are sent later. For example, a higher priority can be set for the control commands issued by a distributed energy control center that requires high real-time transmission; or, for remote control, remote signaling, telemetry and remote pulse data, remote control, remote signaling, The priority of telemetry and telepulse data is in descending order. By setting the priority of the data to be converted into a protocol, the key data with high real-time requirements can be preferentially processed and transmitted, and there is no need to wait in line to ensure its real-time performance.
需要说明的是，作为其他的实施方式，物理硬件层接收到待进行规约转换的数据后，也可以不存到实时数据库中，而是直接发送给数据链路层以进行优先级设置。It should be noted that, as another implementation manner, after the physical hardware layer receives the data to be converted by the protocol, it may not be stored in the real-time database, but directly sent to the data link layer for priority setting.
(3)功能应用层接收数据链路层发送的待进行规约转换的数据，进行相应的规约转换，并以以太网报文的形式按照设定的优先级顺序发送出去。(3) The functional application layer receives the data to be subjected to protocol conversion sent by the data link layer, performs corresponding protocol conversion, and sends it out in the form of an Ethernet message according to the set priority order.
其中，如图4所示，在分布式能源的调控过程中，光伏控制器、风机控制器、储能控制器、充电控制器等分布式能源设备对应的控制器将自身对应的控制参数数据以及分布式能源的监测数据发送给规约转换设备的物理硬件层，经过优先级配置和规约转换后，规约转换设备的功能应用层按照设定的优先级顺序以以太网报文的形式发送给TSN网络中的TSN交换机，该TSN网络将以太网报文按设定的优先级排序发送给分布式能量控制中心。分布式能源控制中心通过数据分析，下达调控命令。该调控命令经过TSN网络发送给规约转换设备的物理硬件层，经过优先级配置和规约转换后，规约转换设备的功能应用层按照设定的优先级顺序以以太网报文的形式发送光伏控制器、风机控制器、储能控制器、充电控制器等分布式能源设备对应的控制器，对光伏、风机、储能、充电等分布式能源设备进行调控，使系统内的实际功率与计划功率保持一致。Among them, as shown in Figure 4, in the regulation process of distributed energy, the controllers corresponding to distributed energy devices such as photovoltaic controllers, fan controllers, energy storage controllers, and charging controllers will use their corresponding control parameter data and The monitoring data of distributed energy resources is sent to the physical hardware layer of the protocol conversion device. After priority configuration and protocol conversion, the functional application layer of the protocol conversion device is sent to the TSN network in the form of Ethernet packets according to the set priority order. The TSN switch in the TSN network sends the Ethernet packets to the distributed energy control center according to the set priority. The distributed energy control center issues regulation commands through data analysis. The control command is sent to the physical hardware layer of the protocol conversion device through the TSN network. After priority configuration and protocol conversion, the functional application layer of the protocol conversion device sends the PV controller in the form of Ethernet packets according to the set priority order. Controllers corresponding to distributed energy equipment such as fan controllers, energy storage controllers, charging controllers, etc., regulate and control distributed energy equipment such as photovoltaics, fans, energy storage, and charging, so as to keep the actual power in the system and the planned power. Consistent.
需要说明的是，分布式能源的调控过程表现为实时消息通信交互过程，同时调控任务的正确性取决于信息汇聚时间和命令执行时序的正确性。在TSN网络架构下，通过设置数据传输优先级，优先级较高的优先发送，可以保证时间敏感数据可靠及时传输，以满足分布式能源的调控需要。It should be noted that the regulation process of distributed energy resources is a real-time message communication interaction process, and the correctness of the regulation task depends on the correctness of the information aggregation time and the order execution sequence. Under the TSN network architecture, by setting the data transmission priority, the higher priority can be sent first, which can ensure the reliable and timely transmission of time-sensitive data to meet the regulation needs of distributed energy.
基于TSN架构的规约转换方法实施例：An embodiment of a protocol conversion method based on TSN architecture:
本实施例提供了一种基于TSN架构的规约转换方法，该规约转换方法应用于规约转换设备，规约转换设备的数据链路层设置有时间敏感网络，该规约转换方法的步骤如下：The present embodiment provides a protocol conversion method based on TSN architecture. The protocol conversion method is applied to a protocol conversion device, and the data link layer of the protocol conversion device is provided with a time-sensitive network. The steps of the protocol conversion method are as follows:
接收待进行规约转换的数据；Receive data to be converted into a protocol;
时间敏感网络对接收到的待进行规约转换的数据进行解析，并根据数据类型将解析后的待进行规约转换的数据按照设定的优先级顺序上送；The time-sensitive network parses the received data to be subjected to reduction conversion, and sends the parsed data to be subjected to reduction conversion according to the data type according to the set priority order;
按照设定的优先级顺序进行规约转换，并将转换后的数据按照设定的优先级顺序进行发送；Perform protocol conversion according to the set priority order, and send the converted data according to the set priority order;
其中，待进行规约转换的数据的时间敏感度越高，优先级越高；优先级高的先发送，优先级低的后发送。Among them, the higher the time sensitivity of the data to be subjected to the protocol conversion, the higher the priority; the higher priority is sent first, and the lower priority is sent later.
由于该基于TSN架构的规约转换方法已经在上述的基于TSN架构的规约转换设备实施例中进行了详细介绍，此处不再赘述。Since the protocol conversion method based on the TSN architecture has been described in detail in the above-mentioned embodiment of the protocol conversion device based on the TSN architecture, details are not repeated here.
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。As will be appreciated by one skilled in the art, the embodiments of the present application may be provided as a method, a system or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
本申请是参照根据本申请实施例的方法、设备(系统)和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.
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