CN104182908B - A kind of grid simulation calculates data fragmentation processing method - Google Patents
A kind of grid simulation calculates data fragmentation processing method Download PDFInfo
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Abstract
本发明涉及一种电网仿真计算数据分片处理方法，所述电网的数据包括网架结构数据、设备模型参数数据和电网运行数据；所述方法包括分片信息形成过程和分片信息加载过程。所述分片信息形成过程为：确定一个厂站为中心厂站；确定邻接厂站数据组；遍历邻接厂站数据组；将形成的分片信息存储到分片信息表中。所述分片信息加载过程为：获得区域中心经纬度值；确定最接近中心经纬度值的厂站；读取厂站的分片信息表,加载对应的分片信息；判断所有已加载的厂站覆盖显示区域的覆盖率是否满足要求；如果满足要求则退出；否则,需要进行迭代加载分片信息处理。该方法解决了全网数据处理引起的硬件资源紧缺、处理效率低下的问题。
The invention relates to a grid simulation calculation data slice processing method, the grid data includes grid structure data, equipment model parameter data and grid operation data; the method includes a slice information forming process and a slice information loading process. The formation process of the fragmentation information is as follows: determining a station as the central station; determining the adjacent station data group; traversing the adjacent station data group; storing the formed fragmentation information in the fragmentation information table. The fragmentation information loading process is as follows: obtaining the latitude and longitude value of the regional center; determining the station closest to the latitude and longitude value of the center; reading the fragmentation information table of the station, and loading the corresponding fragmentation information; judging the coverage of all loaded stations Whether the coverage of the display area meets the requirements; if it meets the requirements, exit; otherwise, iterative loading of fragment information processing is required. This method solves the problems of shortage of hardware resources and low processing efficiency caused by the whole network data processing.
Description
技术领域：Technical field:
本发明涉及一种分片处理方法，更具体涉及一种电网仿真计算数据分片处理方法。The invention relates to a slice processing method, in particular to a slice processing method for grid simulation calculation data.
背景技术：Background technique:
随着电力系统的发展和日益复杂，对系统供电可靠性要求也愈来愈高，大型电厂在正常和事故条件下的安全、经济送电，提高输电主干线路的输送功能，保证系统达到国家规定的标准，以及在严重事故下能否防止大面积停电和系统瓦解等，都与电网结构是否合理密切相关。而一个合理的电网结构来自于电力系统规划人员的精心设计。电网的规划是以长期的负荷预测和电源规划方案为基础，确定最佳结构电网方案，以满足既经济可靠地输送电力，又能适应系统运行方式的变化，同时有利于电网的进一步发展等要求。输电网规划问题是一个多变量、多约束、多时段动态规划问题，它具有非线性、整数性、运行方式多样性、多阶段性的特点。With the development and increasing complexity of the power system, the reliability of the system power supply is required to be higher and higher. The safe and economical power transmission of large power plants under normal and accident conditions can improve the transmission function of the main transmission line and ensure that the system meets the national regulations. The standards, and the ability to prevent large-scale power outages and system collapse in severe accidents are closely related to the rationality of the grid structure. A reasonable power grid structure comes from the careful design of power system planners. The planning of the power grid is based on long-term load forecasting and power supply planning schemes, and determines the optimal structure grid scheme to meet the requirements of economically and reliably transmitting power, adapting to changes in system operation modes, and benefiting the further development of the power grid. . The transmission network planning problem is a multi-variable, multi-constraint, multi-period dynamic programming problem, which has the characteristics of nonlinearity, integerity, diversity of operation modes, and multi-stage nature.
由于实际电力系统运行的复杂性和不可中断性，在其基础上直接进行试验和研究是不太现实的，因此必需借助物理模拟或计算机仿真等方式。电力系统用计算机进行仿真已经有几十年的历史了，早期的电力规模比较小，一个人在一台机器上就可以独立完成电网模型的维护和仿真计算。随着跨区互联电网的形成和规模的不断扩大，电网的运行特性和调度控制越来越复杂，如何将工作人员自身的调度控制经验保存并共享，实现异地经验的积累和共享成为电力系统仿真分析的难点和重点。Due to the complexity and uninterruptibility of the actual power system operation, it is not realistic to conduct experiments and research directly on the basis of it, so physical simulation or computer simulation must be used. The power system has been simulated by computer for decades. The early electric power scale was relatively small, and one person can independently complete the maintenance and simulation calculation of the power grid model on one machine. With the formation of cross-regional interconnected power grids and the continuous expansion of scale, the operating characteristics and dispatch control of the power grid are becoming more and more complex. How to save and share the staff's own dispatch control experience and realize the accumulation and sharing of experience in different places has become a power system simulation Difficulties and points of analysis.
而电网仿真计算是指通过电力系统数学模型和计算机软件算法来复现实际电力系统中发生的本质过程，用于研究电网运行特性并解决相关问题。电力系统数学模型包括发电机模型、输电线路模型、变压器模型、用电负荷模型以及其它设备模型。计算机软件算法包括潮流计算、暂态稳定计算、小干扰计算、短路计算等。The power grid simulation calculation refers to the reproduction of the essential process that occurs in the actual power system through the mathematical model of the power system and computer software algorithms, and is used to study the operating characteristics of the power grid and solve related problems. The mathematical model of the power system includes a generator model, a transmission line model, a transformer model, a power load model and other equipment models. Computer software algorithms include power flow calculation, transient stability calculation, small disturbance calculation, short circuit calculation, etc.
但对于电网仿真数据处理时会引起硬件资源紧缺、处理效率低下的问题。故提出一种电网仿真计算数据分片处理方法以解决该问题。However, the processing of power grid simulation data will cause shortage of hardware resources and low processing efficiency. Therefore, a data fragmentation processing method for power grid simulation calculation is proposed to solve this problem.
发明内容：Invention content:
本发明的目的是提供一种电网仿真计算数据分片处理方法，该方法可进行电网数据的分片存储，分片加载从而解决全网数据处理引起的硬件资源紧缺、处理效率低下的问题。The purpose of the present invention is to provide a grid simulation calculation data slice processing method, which can store grid data slices and load slices so as to solve the problems of shortage of hardware resources and low processing efficiency caused by the whole network data processing.
为实现上述目的，本发明采用以下技术方案：一种电网仿真计算数据分片处理方法，所述电网的数据包括网架结构数据、设备模型参数数据和电网运行数据；所述方法包括分片信息形成过程和分片信息加载过程。In order to achieve the above object, the present invention adopts the following technical solutions: a method for processing power grid simulation calculation data fragmentation, the data of the power grid includes grid structure data, equipment model parameter data and power grid operation data; the method includes fragmentation information Formation process and shard information loading process.
本发明提供的一种电网仿真计算数据分片处理方法，所述分片信息形成过程为：The present invention provides a power grid simulation calculation data fragmentation processing method, the formation process of the fragmentation information is as follows:
1-1)确定一个厂站为中心厂站；1-1) Determine a factory station as the central factory station;
1-2)确定邻接厂站数据组并记录邻接层编号；1-2) Determine the adjacent station data group and record the number of the adjacent layer;
1-3)遍历邻接厂站数据组，判断所述邻接层编号是否达到要求，未达到要求则返回到所述步骤1-2)；达到要求则转到步骤1-4)；1-3) traversing the adjacent factory station data group, judging whether the adjacent layer number meets the requirement, if the requirement is not met, then return to the step 1-2); if the requirement is met, then go to step 1-4);
1-4)将形成的分片信息存储到分片信息表中。1-4) Store the formed fragment information into the fragment information table.
本发明提供的一种电网仿真计算数据分片处理方法，在所述步骤1-1)中记录邻接层编号为0；在所述步骤1-2)中通过查找厂站的邻接信息确定邻接厂站数据组并记录邻接层编号为厂站邻接层编号加1。A method for processing power grid simulation calculation data slices provided by the present invention, in the step 1-1), the number of the adjacent layer is recorded as 0; in the step 1-2), the adjacent plant is determined by searching the adjacent information of the plant station Station data group and record the adjacent layer number as the plant station adjacent layer number plus 1.
本发明提供的另一优选的一种电网仿真计算数据分片处理方法，当所述邻接层编号为2时，结束所述分片信息形成过程；所述分片信息形成过程使得每一个分片以某个厂站为中心，获取三层邻接厂站。Another preferred method for processing power grid simulation calculation data fragmentation provided by the present invention, when the number of the adjacent layer is 2, end the fragmentation information formation process; the fragmentation information formation process makes each fragmentation Take a certain factory station as the center, and obtain the three-layer adjacent factory station.
本发明提供的再一优选的一种电网仿真计算数据分片处理方法，所述分片信息加载过程为：Another preferred method for processing grid simulation calculation data fragmentation provided by the present invention, the fragmentation information loading process is as follows:
2-1)获得区域中心经纬度值；2-1) Obtain the latitude and longitude value of the regional center;
2-2)确定最接近中心经纬度值的厂站；2-2) Determine the station closest to the center longitude and latitude value;
2-3)读取厂站的分片信息表,加载对应的分片信息；2-3) Read the fragmentation information table of the factory station, and load the corresponding fragmentation information;
2-4)判断所有已加载的厂站覆盖显示区域的覆盖率是否满足要求；如果满足要求则退出；否则,需要进行迭代加载分片信息处理。2-4) Judging whether the coverage of all loaded plant coverage display areas meets the requirements; if the requirements are met, exit; otherwise, iterative loading of fragment information processing is required.
本发明提供的又一优选的一种电网仿真计算数据分片处理方法，所述步骤2-1)根据显示区域经纬度范围获得区域中心经纬度值；所述步骤2-2)通过遍历厂站信息寻找最接近中心经纬度值的厂站。Another preferred method for processing power grid simulation calculation data fragmentation provided by the present invention, the step 2-1) obtains the latitude and longitude value of the center of the area according to the latitude and longitude range of the display area; The station closest to the central latitude and longitude value.
本发明提供的又一优选的一种电网仿真计算数据分片处理方法，所述步骤2-4)中满足的要求为所有已加载的厂站覆盖显示区域的覆盖率在60％以上；所述迭代加载分片信息处理为取当前分片信息表中邻接层编号为2的厂站所对应的分片信息表，将所述分片信息表中的所有厂站进行加载处理。Another preferred method for processing power grid simulation calculation data slices provided by the present invention, the requirement satisfied in the step 2-4) is that the coverage rate of all loaded plant coverage display areas is above 60%; The iterative loading of fragmentation information processing is to obtain the fragmentation information table corresponding to the plant station whose adjacent layer number is 2 in the current fragmentation information table, and load all the plants in the fragmentation information table.
本发明提供的又一优选的一种电网仿真计算数据分片处理方法，所述步骤2-1)区域中心经纬度值通过下述步骤确定：Another preferred method for processing grid simulation calculation data fragmentation provided by the present invention, said step 2-1) the latitude and longitude value of the regional center is determined by the following steps:
遍历厂站信息表，记录经度纬度信息并记录最小纬度值minLat、最大纬度值maxLat、最小经度值minLon和最大经度值maxLon；Traverse the factory station information table, record the longitude and latitude information and record the minimum latitude value minLat, maximum latitude value maxLat, minimum longitude value minLon and maximum longitude value maxLon;
不断遍历厂站信息表，不断更新最小纬度值minLat、最大纬度值maxLat、最小经度值minLon和最大经度值maxLon；Continuously traverse the factory station information table, and constantly update the minimum latitude value minLat, maximum latitude value maxLat, minimum longitude value minLon and maximum longitude value maxLon;
确定区域中心点经度信息centerLat和纬度信息centerLon。Determine the longitude information centerLat and latitude information centerLon of the center point of the area.
本发明提供的又一优选的一种电网仿真计算数据分片处理方法，所述覆盖率通过下述步骤确定：In yet another preferred method for processing power grid simulation calculation data fragmentation provided by the present invention, the coverage rate is determined by the following steps:
遍历分片信息表,记录经度纬度信息并记录最小纬度值minScreenLat、最大纬度值maxScreenLat、最小经度值minScreenLon和最大经度值maxScreenLon；Traverse the slice information table, record the longitude and latitude information and record the minimum latitude value minScreenLat, maximum latitude value maxScreenLat, minimum longitude value minScreenLon and maximum longitude value maxScreenLon;
不断遍历厂站信息表，不断更新最小纬度值minScreenLat、最大纬度值maxScreenLat、最小经度值minScreenLon和最大经度值maxScreenLon；Continuously traverse the factory station information table, and constantly update the minimum latitude value minScreenLat, maximum latitude value maxScreenLat, minimum longitude value minScreenLon and maximum longitude value maxScreenLon;
确定纬度向覆盖率和经度向覆盖率；Determine latitude and longitude coverage;
设定纬度显示比例RatioLat或者经度显示比例RationLon任意一个值大于等于60％，均为满足覆盖率达到60％的条件。Set any value of the latitude display ratio RatioLat or the longitude display ratio RationLon to be greater than or equal to 60%, which meets the condition that the coverage rate reaches 60%.
本发明提供的又一优选的一种电网仿真计算数据分片处理方法，所述分片信息形成过程通过以下信息表确定；所述信息表包括设备数据表、线路数据表、厂站信息表、分区信息表、区域信息表和分片信息表；Another preferred method for processing power grid simulation calculation data fragmentation provided by the present invention, the fragmentation information formation process is determined by the following information table; the information table includes equipment data table, line data table, plant station information table, Partition information table, area information table and fragmentation information table;
所述设备数据表包括设备编号、设备名称和所属厂站编号；The equipment data sheet includes equipment serial number, equipment name and station serial number;
所述线路数据表包括线路编号、线路名称、1侧所属厂站编号和2侧所属厂站编号；The line data table includes the line number, the line name, the station number of the side 1 and the station number of the side 2;
所述厂站信息表包括厂站编号、厂站名称、所属分区编号、经度位置和纬度位置；The station information table includes station number, station name, division number, longitude position and latitude position;
所述分区信息表包括分区编号、分区名称和所属区域名称；The partition information table includes the partition number, the partition name and the name of the area to which it belongs;
所述区域信息表包括区域编号和区域名称；The area information table includes an area number and an area name;
所述分片信息表包括分片信息编号、邻接关系编号、厂站编号、邻接厂站编号和邻接层编号。The fragmentation information table includes fragmentation information number, adjacency relationship number, plant number, adjacent plant number and adjacent layer number.
和最接近的现有技术比，本发明提供技术方案具有以下优异效果Compared with the closest prior art, the technical solution provided by the present invention has the following excellent effects
1、本发明形成一套支持数据分级分片加载的电网数据，为大数据的解析、存储和展示提供便利；1. The present invention forms a set of grid data that supports hierarchical and fragmented loading of data, which facilitates the analysis, storage and display of big data;
2、本发明可进行电网数据的分片存储，分片加载从而解决全网数据处理引起的硬件资源紧缺、处理效率低下的问题；2. The present invention can store grid data in pieces and load them in pieces so as to solve the problems of shortage of hardware resources and low processing efficiency caused by the data processing of the whole network;
3、本发明不仅可以满足厂站展示的需求，同时对客户端资源需求量不大，对展示的效率提升和效果完善都有极大的帮助；3. The present invention can not only meet the display requirements of factories and stations, but also has a small demand for client resources, which is of great help to improve the efficiency and effect of display;
4、本发明为电网仿真计算进一步的发展提供了保障；4. The present invention provides a guarantee for the further development of power grid simulation calculation;
5、本发明为电力系统的安全经济和可靠性奠定了一定的基础。5. The present invention has laid a certain foundation for the safety, economy and reliability of the power system.
附图说明Description of drawings
图1为本发明方法的流程图。Fig. 1 is the flowchart of the method of the present invention.
具体实施方式Detailed ways
下面结合实施例对发明作进一步的详细说明。Below in conjunction with embodiment the invention is described in further detail.
实施例1：Example 1:
如图1所示，本例的发明一种电网仿真计算数据分片处理方法，所述电网的数据包括网架结构数据、设备模型参数数据和电网运行数据；所述方法包括分片信息形成过程和分片信息加载过程。As shown in Figure 1, the invention of this example is a grid simulation calculation data segmentation processing method, the grid data includes grid structure data, equipment model parameter data and grid operation data; the method includes the fragmentation information formation process and fragmentation information loading process.
所述分片信息形成过程为：The formation process of the fragmentation information is:
1-1)确定一个厂站为中心厂站；1-1) Determine a factory station as the central factory station;
1-2)确定邻接厂站数据组并记录邻接层编号；1-2) Determine the adjacent station data group and record the number of the adjacent layer;
1-3)遍历邻接厂站数据组，判断所述邻接层编号是否达到要求，未达到要求则返回到所述步骤1-2)；达到要求则转到步骤1-4)；1-3) traversing the adjacent factory station data group, judging whether the adjacent layer number meets the requirement, if the requirement is not met, then return to the step 1-2); if the requirement is met, then go to step 1-4);
1-4)将形成的分片信息存储到分片信息表中。1-4) Store the formed fragment information in the fragment information table.
在所述步骤1-1)中记录邻接层编号为0；在所述步骤1-2)中通过查找厂站的邻接信息确定邻接厂站数据组并记录邻接层编号为厂站邻接层编号加1。In said step 1-1), record the adjacent layer numbering as 0; in said step 1-2), determine the adjacent plant data group and record the adjacent layer number as the plant station adjacent layer number plus 1.
当所述邻接层编号为2时，结束所述分片信息形成过程；所述分片信息形成过程使得每一个分片以某个厂站为中心，获取三层邻接厂站。When the number of the adjacent layer is 2, the formation process of the fragmentation information is ended; the formation process of the fragmentation information makes each fragment centered on a certain plant station, and obtains three layers of adjacent plant stations.
所述分片信息加载过程为：The fragmentation information loading process is:
2-1)获得区域中心经纬度值；2-1) Obtain the latitude and longitude value of the regional center;
2-2)确定最接近中心经纬度值的厂站；2-2) Determine the station closest to the center longitude and latitude value;
2-3)读取厂站的分片信息表,加载对应的分片信息；2-3) Read the fragmentation information table of the factory station, and load the corresponding fragmentation information;
2-4)判断所有已加载的厂站覆盖显示区域的覆盖率是否满足要求；如果满足要求则退出；否则,需要进行迭代加载分片信息处理。2-4) Judging whether the coverage of all loaded plant coverage display areas meets the requirements; if the requirements are met, exit; otherwise, iterative loading of fragment information processing is required.
所述步骤2-1)根据显示区域经纬度范围获得区域中心经纬度值；所述步骤2-2)通过遍历厂站信息寻找最接近中心经纬度值的厂站。The step 2-1) obtains the latitude and longitude value of the center of the area according to the latitude and longitude range of the display area; the step 2-2) searches for the plant station closest to the latitude and longitude value of the center by traversing the station information.
所述步骤2-4)中满足的要求为所有已加载的厂站覆盖显示区域的覆盖率在60％以上；所述迭代加载分片信息处理，即取当前分片信息表中邻接层编号为2的厂站所对应的分片信息表，将这些分片信息表中的所有厂站进行加载处理。The requirement satisfied in the step 2-4) is that the coverage rate of all loaded plant coverage display areas is more than 60%; the iterative loading fragmentation information processing is to get the adjacent layer number in the current fragmentation information table as 2 corresponding to the fragmentation information tables of the factories and stations, and load all the factories and stations in these fragments information tables.
所述步骤2-1)区域中心经纬度值通过下述步骤确定：The step 2-1) the latitude and longitude value of the regional center is determined through the following steps:
遍历厂站信息表，记录经度纬度信息并记录最小纬度值minLat、最大纬度值maxLat、最小经度值minLon和最大经度值maxLon；Traverse the factory station information table, record the longitude and latitude information and record the minimum latitude value minLat, maximum latitude value maxLat, minimum longitude value minLon and maximum longitude value maxLon;
不断遍历厂站信息表，不断更新最小纬度值minLat、最大纬度值maxLat、最小经度值minLon和最大经度值maxLon；Continuously traverse the factory station information table, and constantly update the minimum latitude value minLat, maximum latitude value maxLat, minimum longitude value minLon and maximum longitude value maxLon;
确定区域中心点经度信息centerLat和纬度信息centerLon。Determine the longitude information centerLat and latitude information centerLon of the center point of the area.
所述覆盖率通过下述步骤确定：The coverage is determined by the following steps:
遍历分片信息表,记录经度纬度信息并记录最小纬度值minScreenLat、最大纬度值maxScreenLat、最小经度值minScreenLon和最大经度值maxScreenLon；Traverse the slice information table, record the longitude and latitude information and record the minimum latitude value minScreenLat, maximum latitude value maxScreenLat, minimum longitude value minScreenLon and maximum longitude value maxScreenLon;
不断遍历厂站信息表，不断更新最小纬度值minScreenLat、最大纬度值maxScreenLat、最小经度值minScreenLon和最大经度值maxScreenLon；Continuously traverse the factory station information table, and constantly update the minimum latitude value minScreenLat, maximum latitude value maxScreenLat, minimum longitude value minScreenLon and maximum longitude value maxScreenLon;
确定纬度向覆盖率和经度向覆盖率；Determine latitude and longitude coverage;
设定纬度显示比例RatioLat或者经度显示比例RationLon任意一个值大于等于60％，均为满足覆盖率达到60％的条件。Set any value of the latitude display ratio RatioLat or the longitude display ratio RationLon to be greater than or equal to 60%, which meets the condition that the coverage rate reaches 60%.
所述分片信息形成过程通过以下信息表确定；所述信息表包括设备数据表、线路数据表、厂站信息表、分区信息表、区域信息表和分片信息表；The fragmentation information formation process is determined by the following information tables; the information tables include equipment data tables, line data tables, plant station information tables, partition information tables, area information tables and fragmentation information tables;
所述设备数据表包括设备编号、设备名称和所属厂站编号；The equipment data sheet includes equipment serial number, equipment name and station serial number;
所述线路数据表包括线路编号、线路名称、1侧所属厂站编号和2侧所属厂站编号；The line data table includes the line number, the line name, the station number of the side 1 and the station number of the side 2;
所述厂站信息表包括厂站编号、厂站名称、所属分区编号、经度位置和纬度位置；The station information table includes station number, station name, division number, longitude position and latitude position;
所述分区信息表包括分区编号、分区名称和所属区域名称；The partition information table includes the partition number, the partition name and the name of the area to which it belongs;
所述区域信息表包括区域编号和区域名称；The area information table includes an area number and an area name;
所述分片信息表包括分片信息编号、邻接关系编号、厂站编号、邻接厂站编号和邻接层编号。The fragmentation information table includes fragmentation information number, adjacency relationship number, plant number, adjacent plant number and adjacent layer number.
客户端在展示厂站信息时通常以图形化的方式，不仅展示厂站自身的信息同时展示厂站之间的连接关系，如果厂站数量规模巨大，客户端无法一次将规模巨大的厂站信息同时加载并以图形化的方式展示；采用分片信息处理后，不仅可以满足厂站展示的需求，同时对客户端资源需求量不大，对展示的效率提升和效果完善都有极大的帮助。When displaying factory station information, the client usually uses a graphical method to display not only the information of the factory station itself but also the connection relationship between the factory stations. Simultaneously load and display in a graphical way; after using fragmented information processing, it can not only meet the needs of factory station display, but also has a small demand for client resources, which is of great help to improve the efficiency and effect of display .
遍历厂站信息表见表1，得到最小纬度值minLat＝38.79、最大纬度值maxLat＝52.9707、最小经度值minLon＝105.87、最大经度值maxLon＝134.29以厂站bus31厂站作为中心厂站，得到对应的分片信息表见表2，根据分片信息表得到当前分片信息对应的经纬度范围minScreenLat＝38.9825、maxScreenLat＝48.3235、minScreenLon＝115.815、maxScreenLon＝124.176；则纬度向覆盖率＝0.6587，经度向覆盖率＝0.2948See Table 1 for traversing the factory station information table, and obtain the minimum latitude value minLat=38.79, the maximum latitude value maxLat=52.9707, the minimum longitude value minLon=105.87, and the maximum longitude value maxLon=134.29. With the factory station bus31 as the central factory station, the corresponding The fragmentation information table is shown in Table 2. According to the fragmentation information table, the latitude and longitude range minScreenLat=38.9825, maxScreenLat=48.3235, minScreenLon=115.815, maxScreenLon=124.176 corresponding to the current fragmentation information are obtained according to the fragmentation information table; Rate = 0.2948
由于RatioLat大于60％所以满足覆盖率达到60％的条件，不需要进行迭代加载分片信息。Since RatioLat is greater than 60%, the condition of coverage reaching 60% is met, and there is no need to iteratively load fragmentation information.
表1厂站信息表Table 1 Factory station information table
表2分片信息表Table 2 fragmentation information table
最后应当说明的是：以上实施例仅用以说明本发明的技术方案而非对其限制，所属领域的普通技术人员尽管参照上述实施例应当理解：依然可以对本发明的具体实施方式进行修改或者等同替换，这些未脱离本发明精神和范围的任何修改或者等同替换，均在申请待批的本发明的权利要求保护范围之内。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Those of ordinary skill in the art should understand with reference to the above embodiments that the specific implementation methods of the present invention can still be modified or equivalent. Replacement, any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention are within the protection scope of the claims of the present invention pending application.
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