CN114280528B - Misalignment online replacement system applied to gateway meter - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及电力监测技术领域，具体是一种应用于关口表失准在线更换系统。The invention relates to the technical field of electric power monitoring, in particular to an on-line replacement system for misalignment of gateway meters.
背景技术Background technique
电力系统是由发电厂、送变电线路、供配电所和用电等环节组成的电能生产与消费系统。它的功能是将自然界的一次能源通过发电动力装置转化成电能，再经输电、变电和配电将电能供应到各用户；为实现这一功能，电力系统在各个环节和不同层次还具有相应的信息与控制系统，对电能的生产过程进行测量、调节、控制、保护、通信和调度，以保证用户获得安全、优质的电能；The power system is an electric energy production and consumption system composed of power plants, power transmission and transformation lines, power supply and distribution stations, and power consumption. Its function is to convert the primary energy in nature into electric energy through the power generation device, and then supply the electric energy to various users through power transmission, transformation and distribution; in order to realize this function, the power system also has corresponding functions in each link and at different levels. The advanced information and control system measures, adjusts, controls, protects, communicates and dispatches the production process of electric energy, so as to ensure that users obtain safe and high-quality electric energy;
现有的技术中，只能通过对智能电表所使用的电量进行监控，而无法对关口表是否存在失准的情况及时察觉，从而造成不必要的电力流失，为此，现提供一种应用于关口表失准在线更换系统。In the existing technology, it is only possible to monitor the electricity used by the smart meter, but it is impossible to detect in time whether the gateway meter is inaccurate, resulting in unnecessary power loss. Offline meter inaccuracy online replacement system.
发明内容Contents of the invention
本发明的目的在于提供一种应用于关口表失准在线更换系统。The purpose of the present invention is to provide an on-line replacement system for misalignment of gateway meters.
本发明的目的可以通过以下技术方案实现：一种应用于关口表失准在线更换系统，包括监控中心，所述监控中心通信连接有数据采集模块、数据处理模块、数据分析模块以及失准更换模块；取台区内的供电线路分布情况，并将供电线路中的主供电线进行标记，再分别将与主供电线连接的对应支路供电线进行标记，每个支路供电线连接有干路线，干路线上连接有若干电能表The purpose of the present invention can be achieved through the following technical solutions: an online replacement system for gate meter misalignment, including a monitoring center, and the monitoring center is connected with a data acquisition module, a data processing module, a data analysis module and an misalignment replacement module ; Take the distribution of power supply lines in the station area, mark the main power supply lines in the power supply lines, and then mark the corresponding branch power supply lines connected to the main power supply lines, each branch power supply line is connected with a main line , there are several electric energy meters connected to the main line
所述数据采集模块由若干个数据采集终端和计量点组成，在具体是实施过程中，所述数据采集终端用于获取关口表的用电数据，所述计量点用于获取指定关口表所在线路的用电数据；再通过所述数据处理模块对数据采集模块所获取到的数据进行处理，从而获得关口表与计量点的理论用电量；The data acquisition module is composed of several data acquisition terminals and metering points. In the specific implementation process, the data acquisition terminal is used to obtain the electricity consumption data of the gateway meter, and the metering point is used to obtain the line where the designated gateway meter is located. the electricity consumption data; and then process the data acquired by the data acquisition module through the data processing module, so as to obtain the theoretical electricity consumption of the gateway meter and the metering point;
所述数据分析模块对数据处理模块处理后的数据进行分析，从而判断关口表和计量点是否存在失准现象，并对失准现象的原因进行分析；The data analysis module analyzes the data processed by the data processing module, thereby judging whether there is an inaccuracy in the gate meter and the metering point, and analyzes the cause of the inaccuracy;
所述失准更换模块用于当关口表或计量点出现失准现象时，则对出现失准现象的关口表或计量点进行在线失准更换。The inaccurate replacement module is used to replace the inaccurate gateway meter or metering point on-line when the inaccurate phenomenon occurs in the gateway meter or the metering point.
进一步的，所述关口表的用电数据的获取过程包括：Further, the acquisition process of the electricity consumption data of the gateway meter includes:
将关口表安装在干路线与支路供电线的连接处，然后将干路线上的电能表与关口表进行绑定，获取每个关口表的用电量，分别获取每个电能表的当月第a天时的用电量。Install the gateway meter at the junction of the main line and the branch power supply line, and then bind the electric energy meter on the main line with the gateway meter to obtain the electricity consumption of each gateway meter, and obtain the monthly electricity consumption of each electric energy meter respectively. a day's electricity consumption.
进一步的，所述计量点获取指定关口表所在线路的用电数据的具体过程包括：Further, the specific process for the metering point to obtain the power consumption data of the line where the designated gateway meter is located includes:
将计量点安装在干路线与支路供电线的连接处，并将对应支路供电线上所有的关口表与计量点进行绑定，获取每个计量点的用电量。Install the metering point at the junction of the main line and the branch power supply line, and bind all the gateway meters on the corresponding branch power supply line to the metering point to obtain the power consumption of each metering point.
进一步的，所述数据处理模块对数据采集模块所获取到的数据进行处理的过程包括：Further, the process of the data processing module processing the data acquired by the data acquisition module includes:
获取电能表、干路线以及支路供电线的电损耗比，然后获得关口表的理论用电量、计量点基于电能表的理论用电量以及计量点基于关口表的理论用电量，将所获得的各个理论用电量与对应关口表的用电量以及计量点的用电量进行比较。Obtain the power loss ratio of the electric energy meter, the main line and the branch power supply line, and then obtain the theoretical electricity consumption of the gateway meter, the theoretical electricity consumption of the metering point based on the electric energy meter, and the theoretical electricity consumption of the metering point based on the gateway meter. The obtained theoretical power consumption is compared with the power consumption of the corresponding gateway meter and the power consumption of the metering point.
进一步的，所述数据分析模块的分析过程包括：Further, the analysis process of the data analysis module includes:
当计量点的用电量不低于计量点基于电能表的理论用电量时，则获取计量点的用电量与计量点基于电能表的理论用电量之间的偏差系数，根据偏差系数判断该计量点是否存在失准现象，且当计量点出现失准现象时，对该计量点的失准现象的原因进行分析。When the power consumption of the metering point is not lower than the theoretical power consumption of the metering point based on the electric energy meter, the deviation coefficient between the electric power consumption of the metering point and the theoretical power consumption of the metering point based on the electric energy meter is obtained, and according to the deviation coefficient It is judged whether the metering point is out of alignment, and when the metering point is out of alignment, the cause of the metering point's misalignment is analyzed.
进一步的，计量点的失准现象的原因分析过程包括：Further, the cause analysis process of the inaccurate phenomenon of the metering point includes:
当计量点的用电量低于计量点基于关口表的理论用电量时，则表示该计量点对应的支路供电线正常，当计量点的用电量不低于计量点基于关口表的理论用电量时，则获取计量点的用电量与关口表基于关口表的理论用电量的用电偏差系数，根据用电偏差系数判断失准现象的原因是否为该计量点对应的支路供电线异常。When the power consumption of the metering point is lower than the theoretical power consumption of the metering point based on the gateway meter, it means that the branch power supply line corresponding to the metering point is normal. In the case of theoretical power consumption, the power consumption deviation coefficient between the power consumption of the metering point and the theoretical power consumption of the gate meter based on the gate meter is obtained, and the reason for the inaccuracy is judged according to the power consumption deviation coefficient. The power supply line is abnormal.
进一步的，当该计量点对应的支路供电线正常时，对关口表进行分析，对关口表的分析过程包括：Further, when the branch power supply line corresponding to the metering point is normal, the gateway meter is analyzed, and the analysis process of the gateway meter includes:
当关口表的用电量不低于关口表的理论用电量时，则获取关口表的用电量与关口表的理论用电量的偏差系数，根据用电量的偏差系数判断关口表是否存在失准现象，若存在失准现场则将该关口表发送至失准更换模块；When the electricity consumption of the gateway meter is not lower than the theoretical electricity consumption of the gateway meter, the deviation coefficient between the electricity consumption of the gateway meter and the theoretical electricity consumption of the gateway meter is obtained, and it is judged whether the gateway meter is If there is an inaccurate phenomenon, if there is an inaccurate scene, the gate table will be sent to the inaccurate replacement module;
当关口表的用电量低于关口表的理论用电量时，则将该关口表进行标记，并向监控中心发送关口表故障信息。When the power consumption of the gate meter is lower than the theoretical power consumption of the gate meter, the gate meter will be marked and the fault information of the gate meter will be sent to the monitoring center.
进一步的，所述失准更换模块进行在线失准更换的过程包括：Further, the online out-of-alignment replacement process of the out-of-alignment replacement module includes:
若关口表出现失准现象时，则建立在线关口表，并将与关口表绑定的电能表的用电数据直接上传至在线关口表，从而完成对出现失准现象的关口表的在线更换；If the gateway meter is inaccurate, an online gateway meter will be established, and the electricity consumption data of the electric energy meter bound to the gateway meter will be directly uploaded to the online gateway meter, thereby completing the online replacement of the inaccurate gateway meter;
若计量点出现失准现象时，则获取计量点出现失准现象的原因，若失准现象的原因为该计量点对应的支路供电线异常，则建立在线计量点，并将与计量点绑定的关口表的用电数据直接上传至在线计量点，从而完成对出现失准现象的计量点的在线更换，若失准现象的原因为某一个关口表异常，则建立在线关口表，并将与关口表绑定的电能表的用电数据直接上传至在线关口表，从而完成对出现失准现象的关口表的在线更换。If the metering point is inaccurate, the reason for the inaccuracy of the metering point will be obtained. If the cause of the inaccuracy is that the branch power supply line corresponding to the metering point is abnormal, an online metering point will be established and tied to the metering point. The electricity consumption data of the specified gateway meter is directly uploaded to the online metering point, so as to complete the online replacement of the metering point where the inaccuracy occurs. The electricity consumption data of the electric energy meter bound to the gateway meter is directly uploaded to the online gateway meter, so as to complete the online replacement of the gateway meter that is inaccurate.
与现有技术相比，本发明的有益效果是：通过电能表的用电量以及各个线路的电损耗比，从而能够根据电能表的用电量反推获得相应关口表以及计量点的理论用电量，再将关口表与计量点的实际用电量与理论用电量进行对比，从而根据对比结果，判断关口表以及计量点的统计数量是否存在异常，同时根据电能表-关口表-计量点的相互关系，能够在关口表或计量表出现异常时，快速的确定所出现异常的线路段，从而使得电路维修人员能够快速的对相应的线路段进行检修，避免线路出现异常，而无法被察觉，造成电力数据失准。Compared with the prior art, the beneficial effect of the present invention is: through the power consumption of the electric energy meter and the power loss ratio of each line, the theoretical utility of the corresponding gateway meter and the metering point can be obtained according to the power consumption of the electric energy meter. Then compare the actual electricity consumption of the gateway meter and the metering point with the theoretical electricity consumption, so as to judge whether there is any abnormality in the statistics of the gateway meter and the metering point according to the comparison results, and at the same time according to the power meter-gate meter-metering The relationship between the points can quickly determine the abnormal line section when the gateway meter or meter is abnormal, so that the circuit maintenance personnel can quickly repair the corresponding line section to avoid the abnormal line and cannot be detected. detected, resulting in inaccurate power data.
附图说明Description of drawings
图1为本发明的原理图。Fig. 1 is a schematic diagram of the present invention.
具体实施方式Detailed ways
如图1所示，一种应用于关口表失准在线更换系统，包括监控中心，所述监控中心通信连接有数据采集模块、数据处理模块、数据分析模块以及失准更换模块；As shown in Figure 1, a system for on-line replacement of misaligned gate meters includes a monitoring center, and the monitoring center is connected with a data acquisition module, a data processing module, a data analysis module and an misalignment replacement module;
所述数据采集模块由若干个数据采集终端和计量点组成，在具体是实施过程中，所述数据采集终端用于获取关口表的用电数据，所述计量点用于获取指定关口表所在线路的用电数据；The data acquisition module is composed of several data acquisition terminals and metering points. In the specific implementation process, the data acquisition terminal is used to obtain the electricity consumption data of the gateway meter, and the metering point is used to obtain the line where the designated gateway meter is located. electricity consumption data;
获取台区内的供电线路分布情况，并将供电线路中的主供电线进行标记，再分别将与主供电线连接的对应支路供电线进行标记，每个支路供电线连接有干路线，干路线上连接有若干电能表；Obtain the distribution of power supply lines in the station area, mark the main power supply lines in the power supply lines, and then mark the corresponding branch power supply lines connected to the main power supply lines, each branch power supply line is connected with a trunk line, Several electric energy meters are connected to the trunk line;
所述数据采集终端获取关口表的用电数据的具体过程包括：The specific process for the data acquisition terminal to obtain the electricity consumption data of the gateway meter includes:
将关口表安装在干路线与支路供电线的连接处，并将每个关口表标记为i，i＝1，2，……，n，n为整数，然后将干路线上的电能表与关口表进行绑定；获取每个关口表的用电量，并将关口表的用电量记为GYDi；Install the gateway meter at the connection between the trunk line and the branch power supply line, and mark each gateway meter as i, i=1, 2,..., n, n is an integer, and then connect the electric energy meter on the trunk line with Bind the gateway table; obtain the electricity consumption of each gateway table, and record the electricity consumption of the gateway table as GYD i ;
将与关口表绑定的所有电能表进行标号，记为j，j＝1，2，……，m， m为整数；Label all the electric energy meters bound with the gateway meter, mark it as j, j=1, 2,..., m, m is an integer;
分别获取每个电能表的当月第a天时的用电量，并将每个电能表的第 a天的用电量记为DYDj；需要进一步说明的是，在具体实施过程中，电能表所显示的用电量即为电能表对应的用户所使用的电量，即为售出电量；Obtain the electricity consumption of each electric energy meter on day a of the current month respectively, and record the electricity consumption of each electric energy meter on day a as DYD j ; The displayed electricity consumption is the electricity used by the user corresponding to the energy meter, which is the electricity sold;
获取每个干路线和电能表的用电损耗比，将需要进一步说明的是，所述用电损耗比为干路线和电能表在使用过程中，自身所损耗电量的占比。To obtain the power consumption ratio of each trunk line and the electric energy meter, it will be further explained that the power consumption ratio is the proportion of the electric power consumed by the trunk line and the electric energy meter during use.
所述计量点用于获取指定关口表所在线路的用电数据的具体过程包括：The specific process for the metering point to obtain the power consumption data of the line where the designated gateway meter is located includes:
将计量点安装在干路线与支路供电线的连接处，将计量点标记为k， k＝1，2，……，s，s为整数，并将对应支路供电线上所有的关口表与计量点进行绑定；Install the metering point at the junction of the main line and the branch power supply line, mark the metering point as k, k=1, 2,..., s, s is an integer, and list all the gateways on the corresponding branch power supply line Bind with the metering point;
则获取每个计量点的用电量，并将计量点的用电量记为JYDk；Then obtain the power consumption of each metering point, and record the power consumption of the metering point as JYD k ;
将数据采集模块所获取到的数据发送至数据处理模块。Send the data acquired by the data acquisition module to the data processing module.
所述数据处理模块用于对数据采集模块所获取到的数据进行处理，具体过程包括：The data processing module is used to process the data obtained by the data acquisition module, and the specific process includes:
将电能表的电损耗比记为DS，将干路线的电损耗比记为GS，将支路供电线的损耗比记为ZS；Record the power loss ratio of the electric energy meter as DS, record the power loss ratio of the trunk line as GS, and record the loss ratio of the branch power supply line as ZS;
则获取关口表的理论用电量LGYDi，其中
同时获得计量点基于电能表的理论用电量LJYDk，其中
获取计量点基于关口表的理论用电量LJYGk，其中
将每个关口表的用电量GYDi与关口表的理论用电量进行比较，并将比较结果发送至数据分析模块；Compare the power consumption GYD i of each gate meter with the theoretical power consumption of the gate meter, and send the comparison result to the data analysis module;
将每个计量点的用电量JYDk与计量点 基于电能表的理论用电量进行比较，并将比较结果发送至数据分析模块；Compare the power consumption JYD k of each metering point with the theoretical power consumption of the metering point based on the electric energy meter, and send the comparison result to the data analysis module;
将每个计量点的用电量JYDk与计量点 基于关口表的理论用电量进行比较，并将比较结果发送至数据分析模块。Compare the power consumption JYD k of each metering point with the theoretical power consumption of the metering point based on the gateway meter, and send the comparison result to the data analysis module.
所述数据分析模块对数据处理模块处理后的数据进行分析，具体分析过程包括：The data analysis module analyzes the data processed by the data processing module, and the specific analysis process includes:
需要进一步说明的是，在具体实施过程中，由于关口表安装在干路线与支路供电线的连接处，即每个关口表则对应一个相应的干路线，当某一个关口表出现失准时，则判断该关口表对应的干路线出现异常，从而将该关口表对应的干路线进行标记，从而快速安排人员确认关口表失准原因；It needs to be further explained that, in the specific implementation process, since the gateway meter is installed at the junction of the trunk line and the branch power supply line, that is, each gateway meter corresponds to a corresponding trunk line, when a certain gateway meter is inaccurate, Then it is judged that the main route corresponding to the gate table is abnormal, so as to mark the main route corresponding to the gate table, so as to quickly arrange personnel to confirm the cause of the inaccuracy of the gate table;
当计量点的用电量JYDk不低于计量点 基于电能表的理论用电量LJYDk时，则获取计量点的用电量与计量点 基于电能表的理论用电量之间的偏差系数JLD，其中JLD＝(JYDk-LJYDk)/a2；When the power consumption JYD k of the metering point is not lower than the theoretical power consumption LJYD k of the metering point based on the electric energy meter, the deviation coefficient between the electric power consumption of the metering point and the theoretical electric power consumption of the metering point based on the electric energy meter is obtained JLD, where JLD = (JYD k - LJYD k )/a2;
当JLD＜1时，表示该计量点的用电偏差在预计范围内，则不作操作；When JLD<1, it means that the power consumption deviation of the metering point is within the expected range, and no operation is performed;
当JLD≥1时，则表示该计量点存在失准现象，则将该计量点进行标记，并对计量点出现失准现象的原因进行分析，具体分析过程包括：When JLD ≥ 1, it means that there is an inaccuracy in the measurement point, then mark the measurement point, and analyze the cause of the inaccuracy in the measurement point. The specific analysis process includes:
当计量点的用电量低于计量点基于关口表的理论用电量时，则表示该计量点对应的支路供电线正常，当计量点的用电量不低于计量点基于关口表的理论用电量时，则获取计量点的用电量与关口表基于关口表的理论用电量的用电偏差系数JLX，JLX＝(JYDk-LJYGk)/a3，则当JLD＜1时，表示该计量点对应的支路供电线正常，当JLD≥1时则表示该计量点对应的支路供电线异常，则将该计量表发送至失准更换模块；When the power consumption of the metering point is lower than the theoretical power consumption of the metering point based on the gateway meter, it means that the branch power supply line corresponding to the metering point is normal. For theoretical electricity consumption, obtain the electricity consumption deviation coefficient JLX between the electricity consumption at the metering point and the theoretical electricity consumption based on the gateway meter, JLX=(JYD k -LJYG k )/a3, then when JLD<1 , indicating that the branch power supply line corresponding to the metering point is normal. When JLD≥1, it means that the branch power supply line corresponding to the metering point is abnormal, and the meter will be sent to the out-of-alignment replacement module;
需要进一步说明的是，当该计量点对应的支路供电线正常时，对关口表进行分析，具体分析过程包括：It needs to be further explained that when the branch power supply line corresponding to the metering point is normal, the gateway meter is analyzed. The specific analysis process includes:
当关口表的用电量GYDi不低于关口表的理论用电量LGYDi时，则获取关口表的用电量与关口表的理论用电量的偏差系数GLX，其中GLX＝(GYDi-LGYDi)/a1；When the electricity consumption GYD i of the gateway meter is not lower than the theoretical electricity consumption LGYD i of the gateway meter, the deviation coefficient GLX between the electricity consumption of the gateway meter and the theoretical electricity consumption of the gateway meter is obtained, where GLX=(GYD i -LGYD i )/a1;
当GLX＜1时，表示该关口表的用电偏差在预计范围内，则不作操作，当GLX≥1时，则表示该关口表存在失准现象，则将该关口表发送至失准更换模块；When GLX<1, it means that the power consumption deviation of the gate meter is within the expected range, and no operation is performed; when GLX≥1, it means that the gate meter is inaccurate, and the gate meter is sent to the inaccurate replacement module ;
当关口表的用电量GYDi低于关口表的理论用电量LGYDi时，则将该关口表进行标记，并向监控中心发送关口表故障信息；When the power consumption GYD i of the gate meter is lower than the theoretical power consumption LGYD i of the gate meter, mark the gate meter and send the fault information of the gate meter to the monitoring center;
需要进一步说明的是，a1、a2以及a3均为用电偏差阈值，且a1＜a2 ＜a3；It needs to be further explained that a1, a2 and a3 are all power consumption deviation thresholds, and a1<a2<a3;
需要进一步说明的是，在具体实施过程中，通过电能表的用电量以及各个线路的电损耗比，从而能够根据电能表的用电量反推获得相应关口表以及计量点的理论用电量，再将关口表与计量点的实际用电量与理论用电量进行对比，从而根据对比结果，判断关口表以及计量点的统计数量是否存在异常，同时根据电能表-关口表-计量点的相互关系，能够在关口表或计量表出现异常时，快速的确定所出现异常的线路段，从而使得电路维修人员能够快速的对相应的线路段进行检修，避免线路出现异常，而无法被察觉，造成电力数据失准。It needs to be further explained that in the specific implementation process, through the power consumption of the electric energy meter and the power loss ratio of each line, the theoretical power consumption of the corresponding gateway meter and metering point can be obtained according to the power consumption of the electric energy meter. , and then compare the actual electricity consumption of the gateway meter and the metering point with the theoretical electricity consumption, so as to judge whether there is any abnormality in the statistical quantity of the gateway meter and the metering point according to the comparison result, and at the same time according to the energy meter-gateway meter-metering point The mutual relationship can quickly determine the abnormal line section when the gateway meter or meter is abnormal, so that the circuit maintenance personnel can quickly repair the corresponding line section, and avoid the abnormal line from being detected. Cause power data inaccuracy.
所述失准更换模块用于当关口表或计量点出现失准现象时，则对出现失准现象的关口表或计量点进行在线失准更换，具体过程包括：The inaccurate replacement module is used to replace the inaccurate gateway meter or metering point on-line when the inaccuracy phenomenon occurs in the gateway meter or the metering point. The specific process includes:
获取出现失准现场的关口表或计量点，并将关口表和计量点进行标记；Obtain the gate meter or metering point where the inaccuracy occurs, and mark the gate meter and metering point;
若关口表出现失准现象时，则建立在线关口表，并将与关口表绑定的电能表的用电数据直接上传至在线关口表，从而完成对出现失准现象的关口表的在线更换；If the gateway meter is inaccurate, an online gateway meter will be established, and the electricity consumption data of the electric energy meter bound to the gateway meter will be directly uploaded to the online gateway meter, thereby completing the online replacement of the inaccurate gateway meter;
若计量点出现失准现象时，则获取计量点出现失准现象的原因，若失准现象的原因为该计量点对应的支路供电线异常，则建立在线计量点，并将与计量点绑定的关口表的用电数据直接上传至在线计量点，从而完成对出现失准现象的计量点的在线更换，若失准现象的原因为某一个关口表异常，则建立在线关口表，并将与关口表绑定的电能表的用电数据直接上传至在线关口表，从而完成对出现失准现象的关口表的在线更换。If the metering point is inaccurate, the reason for the inaccuracy of the metering point will be obtained. If the cause of the inaccuracy is that the branch power supply line corresponding to the metering point is abnormal, an online metering point will be established and tied to the metering point. The electricity consumption data of the specified gateway meter is directly uploaded to the online metering point, so as to complete the online replacement of the metering point where the inaccuracy occurs. The electricity consumption data of the electric energy meter bound to the gateway meter is directly uploaded to the online gateway meter, so as to complete the online replacement of the gateway meter that is inaccurate.
将上述公式均是去除量纲取其数值计算，公式是由采集大量数据进行软件模拟得到最接近真实情况的一个公式，公式中的预设参数和预设阈值由本领域的技术人员根据实际情况设定或者大量数据模拟获得。All the above formulas are calculated by removing the dimension and taking its numerical value. The formula is a formula that is closest to the real situation by collecting a large amount of data for software simulation. The preset parameters and preset thresholds in the formula are set by those skilled in the art according to the actual situation. fixed or a large amount of data simulation.
以上实施例仅用以说明本发明的技术方法而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方法进行修改或等同替换，而不脱离本发明技术方法的精神和范围。The above embodiments are only used to illustrate the technical method of the present invention without limitation. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical method of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical method of the present invention.
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