CN117668076A - An adaptation method for custom object models of power equipment - Google Patents
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Abstract
Description
技术领域Technical field
本发明属于物联网技术领域,尤其是涉及一种电力设备自定义物模型的适配方法。The invention belongs to the technical field of the Internet of Things, and in particular relates to an adaptation method for a customized object model of electric power equipment.
背景技术Background technique
在低碳大背景下,电力行业遵循国家发展要求,向着节能环保的方向不断发展,电力物联网也是低碳发展的一个关键点。In the context of low carbon, the power industry follows national development requirements and continues to develop in the direction of energy conservation and environmental protection. The power Internet of Things is also a key point in low carbon development.
随着电力物联网的逐步推进,电力行业具有终端设备数量大、工控协议复杂、业务需求多样的特点,由于设备类型多样,不同设备生成、传输的数据格式、传输协议等完全不同,造成电力物联网在数据采集面临困难。With the gradual advancement of the power Internet of Things, the power industry has the characteristics of a large number of terminal equipment, complex industrial control protocols, and diverse business needs. Due to the variety of equipment types, the data formats and transmission protocols generated and transmitted by different devices are completely different, resulting in power IoT Networking faces difficulties in data collection.
发明内容Contents of the invention
本发明要解决的技术问题是克服以上困难,通过物模型定义,并对不同电力设备进行适配,从而实现数据交互的有效管理。The technical problem to be solved by the present invention is to overcome the above difficulties, define the object model, and adapt different power equipment to achieve effective management of data interaction.
为实现上述目的,本发明提供一种电力设备自定义物模型的适配方法,技术方案如下:In order to achieve the above objectives, the present invention provides a method for adapting a custom object model of electric power equipment. The technical solution is as follows:
一种电力设备自定义物模型的适配方法,包括如下步骤:An adaptation method for a custom object model of power equipment includes the following steps:
步骤S1:物模型自定义,将电力终端设备的信息进行统一格式的数字化表达,构建统一的物模型标准数据报文格式,生成设备的物模型信息;Step S1: Customize the physical model, digitally express the information of the power terminal equipment in a unified format, build a unified physical model standard data message format, and generate the physical model information of the equipment;
步骤S2:物模型信息同步,通过统一的物模型信息接口,将所述物模型信息提供给电力终端设备;Step S2: Object model information is synchronized, and the object model information is provided to the power terminal equipment through a unified object model information interface;
步骤S3:获取电力终端设备上报的数据报文格式,并判断数据报文格式与物模型标准数据报文格式是否相同;Step S3: Obtain the data message format reported by the power terminal equipment, and determine whether the data message format is the same as the physical model standard data message format;
若数据报文格式与物模型标准数据报文格式不同,对电力终端设备进行物模型映射规则定义,基于电力终端设备上报的数据报文格式和所述物模型信息之间的匹配关系生成物模型映射规则,跳转到步骤S4;If the data message format is different from the object model standard data message format, the object model mapping rules are defined for the power terminal equipment, and the object model is generated based on the matching relationship between the data message format reported by the power terminal device and the object model information. Mapping rules, jump to step S4;
若数据报文格式与物模型标准数据报文格式相同,则跳转到步骤S5;If the data message format is the same as the object model standard data message format, jump to step S5;
步骤S4:适配接入,对于数据报文格式与物模型标准数据报文格式不同的电力终端设备进行适配,然后跳转到步骤S5,所述适配包括协议适配和数据转换适配;Step S4: Adaptation access: Adapt the power terminal equipment whose data message format is different from the object model standard data message format, and then jump to step S5. The adaptation includes protocol adaptation and data conversion adaptation. ;
步骤S5:物模型数据输出,将物模型数据进行存储,更新物模型信息,并通过统一格式流转给上层业务系统。Step S5: Output the object model data, store the object model data, update the object model information, and transfer it to the upper-level business system through a unified format.
进一步的,所述步骤S1:物模型自定义中将电力终端在物联网中进行数字化表达,包括将电力终端设备的全部信息描述为属性、事件和接口。Further, the step S1: Digitally express the power terminal in the Internet of Things in the object model customization, including describing all the information of the power terminal equipment as attributes, events and interfaces.
进一步的,属性包括电力设备的静态属性和动态属性,其中静态属性是电力设备在全生命周期不会变化的属性;动态属性是电力设备运行过程中采集的数据的属性。Further, attributes include static attributes and dynamic attributes of power equipment. Static attributes are attributes that will not change during the entire life cycle of the power equipment; dynamic attributes are attributes of data collected during the operation of the power equipment.
进一步的,事件是电力设备主动上报的业务信息和告警类事件,通过设置事件参数来自定义物模型事件,事件参数包括事件标识、事件名称、事件类型。Furthermore, events are business information and alarm events actively reported by power equipment. The object model events are customized by setting event parameters. The event parameters include event identification, event name, and event type.
进一步的,接口是电力设备接收控制命令接口,能被授权设备远程调用并执行响应或控制类操作,通过设置接口的参数来自定义物模型接口,接口参数包括接口标识、接口名称、接口描述、接口方法名称、接口传参、接口出参。Furthermore, the interface is an interface for power equipment to receive control commands. It can be remotely called by authorized equipment and perform response or control operations. The object model interface can be customized by setting the parameters of the interface. The interface parameters include interface identification, interface name, interface description, interface Method name, interface parameters, and interface parameters.
进一步的,所述物模型信息接口采用API接口。Further, the object model information interface adopts an API interface.
进一步的,所述步骤S2中,提供给电力终端设备的物模型信息包括:物模型唯一标识、设备的属性描述及指令服务描述和报文格式,以及所支持的接入协议的配置信息,包括协议类型、协议地址和接入账号密钥。Further, in step S2, the object model information provided to the power terminal equipment includes: the unique identifier of the object model, the attribute description of the device, the instruction service description and the message format, as well as the configuration information of the supported access protocol, including Protocol type, protocol address and access account key.
进一步的,所述步骤S3中,所述数据报文格式包括属性值数据的报文格式和事件上报数据的报文格式。Further, in step S3, the data message format includes a message format of attribute value data and a message format of event reporting data.
进一步的,步骤S4中,所述协议适配具体包括如下步骤:Further, in step S4, the protocol adaptation specifically includes the following steps:
步骤S401,在接入之前,待接入的电力终端设备选择传输协议,获取所需要的配置信息并进行协议信息配置;Step S401: Before access, the power terminal equipment to be accessed selects a transmission protocol, obtains the required configuration information and configures the protocol information;
步骤S402,接入时,根据协议信息配置物联平台选择对应的传输协议,电力终端设备与物联平台通过所选择的传输协议服务,建立通信链接;Step S402, when accessing, configure the IoT platform according to the protocol information to select the corresponding transmission protocol, and the power terminal equipment and the IoT platform establish a communication link through the selected transmission protocol service;
步骤S403,获取电力终端设备上传的数据,协议解析层对上传的数据进行协议解析;Step S403, obtain the data uploaded by the power terminal equipment, and the protocol parsing layer performs protocol parsing on the uploaded data;
步骤S404,协议封装层将解析的数据封装成统一协议格式。Step S404: The protocol encapsulation layer encapsulates the parsed data into a unified protocol format.
进一步的,步骤S4中,所述数据转换适配具体包括如下步骤:Further, in step S4, the data conversion adaptation specifically includes the following steps:
步骤S410,通过协议适配后的设备采用统一协议格式上传报文内容;Step S410: Upload the message content using a unified protocol format through the protocol-adapted device;
步骤S411,对采用统一协议格式上传的所述报文内容进行数据提取,并根据步骤S3中定义的所述物模型映射规则,进行数据转换。Step S411: Extract data from the content of the message uploaded in a unified protocol format, and perform data conversion according to the object model mapping rules defined in step S3.
与现有技术相比,本发明具有以下有益效果:Compared with the prior art, the present invention has the following beneficial effects:
通过自定义电力设备物模型和适配方法,提供统一、规范的方法,解决众多异构电力设备协议差异、软硬开发耦合、设备孤岛、数据孤岛等问题,可满足电力设备的灵活、规范接入需求,支撑对电网业务应用中的电力设备的数据采集。By customizing the power equipment object model and adaptation method, a unified and standardized method is provided to solve the problems of protocol differences of many heterogeneous power equipment, software and hardware development coupling, equipment islanding, data islanding, etc., which can meet the needs of flexible and standardized connection of power equipment. input requirements to support data collection of power equipment in power grid business applications.
附图说明Description of drawings
图1为本发明一个实施例的流程图;Figure 1 is a flow chart of an embodiment of the present invention;
图2为本发明一个实施例的协议适配过程示意图;Figure 2 is a schematic diagram of the protocol adaptation process according to an embodiment of the present invention;
图3为本发明一个实施例的数据适配过程示意图。Figure 3 is a schematic diagram of the data adaptation process according to an embodiment of the present invention.
具体实施方式Detailed ways
为了更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效,以下结合附图及较佳实施例,对依据本发明提出的一种电力设备自定义物模型的适配方法,其具体实施方式、结构、特征及其功效,详细说明如下。In order to further elaborate on the technical means and effects adopted by the present invention to achieve the intended inventive purpose, the following is a detailed description of the adaptation method of a customized object model of electric power equipment proposed according to the present invention in conjunction with the drawings and preferred embodiments. The implementation, structure, characteristics and effects are described in detail as follows.
如图1-3所示,本发明提供一种电力设备自定义物模型的适配方法,包括如下步骤:As shown in Figures 1-3, the present invention provides a method for adapting a custom object model of power equipment, which includes the following steps:
步骤S1:物模型自定义,将电力终端设备的信息进行统一格式的数字化表达,构建统一的物模型标准数据报文格式,生成设备的物模型信息;Step S1: Customize the physical model, digitally express the information of the power terminal equipment in a unified format, build a unified physical model standard data message format, and generate the physical model information of the equipment;
电力设备自定义物模型是对电力行业中各类物联终端设备在物联网中的数字化表达,是实现电力终端设备信息交互的基础,构建统一的电力设备物模型,其目的是能够统一设备属性描述方法,规范数据交换格式,建立终端设备和业务系统之间规范化的数据映射关系,支撑电力终端设备数据信息在物联网中应用交互需求;The power equipment custom object model is the digital expression of various types of IoT terminal equipment in the power industry in the Internet of Things. It is the basis for realizing information interaction with power terminal equipment. The purpose of building a unified power equipment object model is to unify the device attributes. Describe the method, standardize the data exchange format, establish a standardized data mapping relationship between terminal equipment and business systems, and support the application interaction requirements of power terminal equipment data information in the Internet of Things;
物模型的定义基于一种物的描述语言格式,统一表达主要是在抽象定义、参数描述等数据表达格式上进行统一,在物模型包含对电力设备描述所需的全部信息。包括设备的属性描述、事件描述及指令服务描述和定义等,通过对设备映射到属性、事件和接口三个维度实现设备功能的完整描述;The definition of the object model is based on a description language format of an object. Unified expression mainly unifies data expression formats such as abstract definitions and parameter descriptions. The object model contains all the information required to describe power equipment. Including the device's attribute description, event description, command service description and definition, etc., a complete description of the device function is achieved by mapping the device to the three dimensions of attributes, events and interfaces;
1)属性包含电力设备的静态属性和动态属性,静态属性是电力设备在全生命周期不会变化的属性,包括但不限于设备唯一标识、设备名称、设备型号等;动态属性是指电力设备运行过程中的采集的数据的属性,支持自定义动态属性通过设置属性唯一标识、属性名称、属性值数据类型、数据长度、是否必填、是否只读等来自定义物模型属性,如电表的电流、电压等采集量等属性;1) Attributes include static attributes and dynamic attributes of power equipment. Static attributes are attributes that will not change during the entire life cycle of power equipment, including but not limited to equipment unique identification, equipment name, equipment model, etc.; dynamic attributes refer to the operation of power equipment. The attributes of the data collected during the process support custom dynamic attributes. You can customize object model attributes by setting attribute unique identifier, attribute name, attribute value data type, data length, whether it is required, whether it is read-only, etc., such as the current of an electric meter, Attributes such as voltage and other collected quantities;
2)事件是指电力设备主动上报的业务信息和告警类事件,通过设置事件标识、事件名称、事件类型(信息和告警)、事件参数等事件参数来自定义物模型事件;2) Events refer to business information and alarm events actively reported by power equipment. The physical model events can be customized by setting event parameters such as event identifier, event name, event type (information and alarm), and event parameters;
3)接口是指电力设备接收控制命令接口,能被授权设备远程调用并执行响应或控制类操作,如空调设备的温度设定等。通过设置接口标识、接口名称、接口描述、接口方法名称、接口传参、接口出参等接口的参数来自定义物模型接口;3) Interface refers to the interface for power equipment to receive control commands, which can be remotely called by authorized equipment and perform response or control operations, such as temperature setting of air conditioning equipment, etc. Customize the object model interface by setting interface parameters such as interface identification, interface name, interface description, interface method name, interface parameters, and interface parameters;
描述语言格式采用JSON格式(JavaScript Object Notation,JS对象标记,一种轻量级的数据交换格式);The description language format adopts JSON format (JavaScript Object Notation, JS object tag, a lightweight data exchange format);
步骤S2:物模型信息同步,通过统一的物模型信息接口,将所述物模型信息提供给电力终端设备;Step S2: Object model information is synchronized, and the object model information is provided to the power terminal equipment through a unified object model information interface;
物模型信息接口采用API接口;The physical model information interface adopts API interface;
步骤S3:获取电力终端设备上报的数据报文格式,包括属性值数据和事件上报数据的报文格式;Step S3: Obtain the data message format reported by the power terminal equipment, including the message format of attribute value data and event reporting data;
根据设备的报文格式来设置映射规则,如数据报文格式与物模型标准数据报文格式相同,则跳转到步骤S5;Set the mapping rules according to the message format of the device. If the data message format is the same as the object model standard data message format, jump to step S5;
如上报的是自定义的数据报文格式,则需配置物模型映射规则,具体映射匹配关系是:If a customized data packet format is reported, the object model mapping rules need to be configured. The specific mapping matching relationship is:
1)设备上报的数据传输是josn格式:通过JSON报文的key键值和物模型的identifier属性的唯一标识来映射;如:{key1:v1,key2:v2},通过key1来映射物模型定义的属性,可以支持嵌套的JSON,使用JSON的key键值的路径来映射,如:{test:{key1:v1,key2:v2}},通过test.key1来映射物模型定义的属性;1) The data transmission reported by the device is in josn format: mapped through the key value of the JSON message and the unique identifier of the identifier attribute of the object model; such as: {key1:v1, key2:v2}, map the object model definition through key1 Attributes can support nested JSON, and use the path of the JSON key value to map, such as: {test:{key1:v1, key2:v2}}, and use test.key1 to map the attributes defined by the object model;
2)设备上报的的数据传输是二进制格式:通过二进制数据的地址和物模型的identifier属性的唯一标识来映射;2) The data transmission reported by the device is in binary format: mapped through the address of the binary data and the unique identifier of the identifier attribute of the object model;
物模型映射规则设置好之后,跳转到步骤S4。After the object model mapping rules are set, jump to step S4.
步骤S4:适配接入,对于数据报文格式与物模型标准数据报文格式不同的电力终端设备进行适配,然后跳转到步骤S5,所述适配包括协议适配和数据转换适配。Step S4: Adaptation access. Adapt the power terminal equipment whose data message format is different from the object model standard data message format, and then jump to step S5. The adaptation includes protocol adaptation and data conversion adaptation. .
所述协议适配服务提供ICE104、MQTT、CoAP、ModBus等多种协议的协议适配库,用户要接入终端设备前先选择设备相应的传输协议获取所需的配置信息并进行协议信息配置;The protocol adaptation service provides protocol adaptation libraries for multiple protocols such as ICE104, MQTT, CoAP, ModBus, etc. Before accessing the terminal device, users must first select the corresponding transmission protocol of the device to obtain the required configuration information and configure the protocol information;
终端设备接入时根据协议配置信息连接到协议适配库里的相应协议的服务建立通信链接;When the terminal device is connected, it connects to the service of the corresponding protocol in the protocol adaptation library according to the protocol configuration information to establish a communication link;
终端设备通过相应的协议服务上传数据信息,首先通过这个协议服务的协议解析层对数据包进行协议解析获取到终端设备数据;The terminal device uploads data information through the corresponding protocol service. First, the protocol parsing layer of this protocol service performs protocol parsing on the data packet to obtain the terminal device data;
协议解析后然后通过协议封装层对终端设备数据封装成统一的MQTT(MessageQueuing Telemetry Transport,消息队列遥测传输协议)协议格式发布消息。After the protocol is parsed, the terminal device data is encapsulated into a unified MQTT (MessageQueuing Telemetry Transport, Message Queuing Telemetry Transport Protocol) protocol format through the protocol encapsulation layer to publish messages.
所述数据转换适配服务通过统一的MQTT(Message Queuing TelemetryTransport,消息队列遥测传输协议)协议格式获取到通过协议适配后设备上传的报文内容。The data conversion and adaptation service obtains the content of the message uploaded by the device after protocol adaptation through a unified MQTT (Message Queuing Telemetry Transport Protocol) protocol format.
步骤S1中,通过物模型定义了设备的标准的设备物模型信息;In step S1, standard equipment object model information of the device is defined through the object model;
步骤S3中,通过物模型映射定义,定义了设备上传数据和物模型数据之间的数据转换规则;In step S3, the data conversion rules between the device upload data and the object model data are defined through the object model mapping definition;
因此,可以根据获取到的、通过协议适配后设备上传的报文内容,对设备的报文内容进行数据提取,并根据所述步骤S3中设备相对应的数据转换规则进行数据转换,转换为物模型数据。Therefore, the data of the message content of the device can be extracted based on the obtained message content uploaded by the device after protocol adaptation, and the data can be converted according to the data conversion rules corresponding to the device in step S3, and converted into object model data.
步骤S5:物模型数据输出,将物模型数据进行存储,更新物模型信息,并通过统一格式流转给上层业务系统。Step S5: Output the object model data, store the object model data, update the object model information, and transfer it to the upper-level business system through a unified format.
以上内容描述了本发明的基本原理和优势。本行业从业人员应当了解,以上所述仅为本发明的较佳实施例而立,并不用以限制本发明,凡在本发明的精神和原则之内所作出的任何修改、等同替换和改进等,均应包含在本申请的保护范围之内。The above content describes the basic principles and advantages of the present invention. Practitioners in this industry should understand that the above descriptions are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention will be All should be included in the protection scope of this application.
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