CN106451442A - Power failure time determination method based on power distribution network topological structure - Google Patents
Power failure time determination method based on power distribution network topological structure Download PDFInfo
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Abstract
本发明公开了一种基于配电网拓扑结构的停电次数确定方法及装置，所述方法包括：获取当前线路的停电信息；获得第一线段的台区；根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数；获得所述当前线路中的第二线段；根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数。应用本发明实施例提供的技术方案，通过对台区和线路的停电次数确定，实现了对配电网停电情况与位置的精确定位。
The invention discloses a method and device for determining the number of power outages based on the topological structure of a distribution network. The method includes: obtaining power outage information of the current line; obtaining the station area of the first line segment; The number of power outages of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment, and the superior line segment of the first line segment determine the number of power outages of the first line segment The total number of power outages in the station area; obtain the second line segment in the current line; determine according to the second line segment itself, the superior line segment of the second line segment and the power outage times of the current line obtained from the power outage information The total number of outages for the second line segment. By applying the technical solution provided by the embodiment of the present invention, by determining the number of power outages of the station area and the line, the precise positioning of the power outage situation and position of the distribution network is realized.
Description
技术领域technical field
本发明涉及配电网检测领域，特别涉及一种基于配电网拓扑结构的停电次数确定方法及装置。The invention relates to the field of distribution network detection, in particular to a method and device for determining the number of power outages based on the topological structure of the distribution network.
背景技术Background technique
现有的配电网拓扑结构包括：线路、线段和台区，所述线路包含多条线段，一条线段包含多个台区，获得的停电信息通常是针对某个监测点的线路停电或线段停电或台区停电的次数。现有的监测为人工进行的，针对10kV配电网设备停电管理目前较为粗放的现状，无法实现对检测到的停电明细数据对配电网停电精准监测。The existing distribution network topology includes: lines, line segments, and station areas. The line contains multiple line segments, and a line segment contains multiple station areas. The power outage information obtained is usually for a line power outage or line segment power outage at a certain monitoring point Or the number of power outages in the station area. The existing monitoring is carried out manually. In view of the current situation of relatively extensive power outage management of 10kV distribution network equipment, it is impossible to accurately monitor the power outage of the distribution network based on the detailed data of the detected power outage.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种基于配电网拓扑结构的停电次数确定方法及装置，通过对台区和线路的停电次数确定，实现了对配电网停电情况与位置的精确定位。The technical problem to be solved by the present invention is to provide a method and device for determining the number of power outages based on the topological structure of the distribution network. By determining the number of power outages in the station area and lines, the precise positioning of the power outage situation and location of the distribution network is realized.
为实现上述目的，本发明提供以下的技术方案：一种基于配电网拓扑结构的停电次数确定方法，包括如下步骤：In order to achieve the above object, the present invention provides the following technical solutions: a method for determining the number of power outages based on the distribution network topology, comprising the following steps:
获取当前线路的停电信息；Get the power outage information of the current line;
获得第一线段的台区；Obtain the table area of the first line segment;
根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数；According to the power outage times of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment and the superior line segment of the first line segment obtained from the power outage information , determining the total number of power outages in the station area of the first line segment;
获得所述当前线路中的第二线段；obtaining a second line segment in the current line;
根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数。The total number of power outages of the second line segment is determined according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information.
优选的，所述根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数，包括：Preferably, according to the line to which the first line segment belongs, all stations in the first line segment themselves, the first line segment and the first line segment obtained from the power outage information The number of power outages of the superior line segment determines the total number of power outages in the station area of the first line segment, including:
将从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数之和，确定为所述第一线段的台区停电总次数。The number of power outages of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment, and the superior line segment of the first line segment obtained from the power outage information The sum is determined as the total number of power outages in the station area of the first line segment.
优选的，所述第一线段的停电，包括：Preferably, the power outage of the first line segment includes:
在所述第一线段的上级线段未停电的情况，所述第一线段中停电的台区数量不小于第一预设数量，且所述第一预设数量的台区停电开始的时间差值不小于第一预设时间。In the case that the upper line segment of the first line segment is not powered off, the number of stations with power outages in the first line segment is not less than the first preset number, and the time when the power outage of the first preset number of station areas starts The difference is not less than the first preset time.
优选的，所述第一线段的上级线段，包括：Preferably, the superior line segment of the first line segment includes:
在所述第一线段的前端，且与所述第一线段的停电开始时间的差值小于预设值。It is at the front end of the first line segment, and the difference from the power failure start time of the first line segment is less than a preset value.
优选的，根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数，包括：Preferably, determining the total number of power outages of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information includes:
将从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数之和，确定为所述第二线段的停电总次数。The sum of the second line segment itself, the superior line segment of the second line segment, and the number of power outages of the current line obtained from the power outage information is determined as the total number of power outages of the second line segment.
为实现上述目的，本发明提供以下的技术方案：一种基于配电网拓扑结构的停电次数确定装置，所述装置包括：In order to achieve the above object, the present invention provides the following technical solutions: a device for determining the number of power outages based on the distribution network topology, the device comprising:
获取模块，用于获取当前线路的停电信息；The obtaining module is used to obtain the power outage information of the current line;
第一获得模块，用于获得第一线段的台区；The first obtaining module is used to obtain the platform area of the first line segment;
第一确定模块，用于根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数；The first determination module is configured to obtain from the power outage information the line to which the first line segment belongs, all station areas in the first line segment themselves, the first line segment and the first line The number of power outages of the superior line segment of the section determines the total number of power outages in the station area of the first line segment;
第二获得模块，用于获得所述当前线路中的第二线段；a second obtaining module, configured to obtain a second line segment in the current line;
第二确定模块，用于根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数。The second determination module is configured to determine the total number of power outages of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information.
优选的，所述第一确定模块，具体用于：Preferably, the first determination module is specifically used for:
将从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数之和，确定为所述第一线段的台区停电总次数。The number of power outages of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment, and the superior line segment of the first line segment obtained from the power outage information The sum is determined as the total number of power outages in the station area of the first line segment.
优选的，所述第一线段的停电，包括：Preferably, the power outage of the first line segment includes:
在所述第一线段的上级线段未停电的情况，所述第一线段中停电的台区数量不小于第一预设数量，且所述第一预设数量的台区停电开始的时间差值不小于第一预设时间。In the case that the upper line segment of the first line segment is not powered off, the number of stations with power outages in the first line segment is not less than the first preset number, and the time when the power outage of the first preset number of station areas starts The difference is not less than the first preset time.
优选的，所述第一线段的上级线段，包括：Preferably, the superior line segment of the first line segment includes:
在所述第一线段的前端，且与所述第一线段的停电开始时间的差值小于预设值。It is at the front end of the first line segment, and the difference from the power failure start time of the first line segment is less than a preset value.
优选的，所述第二确定模块，具体用于：Preferably, the second determination module is specifically used for:
将从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数之和，确定为所述第二线段的停电总次数。The sum of the second line segment itself, the superior line segment of the second line segment, and the number of power outages of the current line obtained from the power outage information is determined as the total number of power outages of the second line segment.
与现有技术相比，本发明的一种基于配电网拓扑结构的停电次数确定方法及装置，具有以下有益效果：Compared with the prior art, a method and device for determining the number of power outages based on the distribution network topology of the present invention has the following beneficial effects:
(1)、本发明实施例提供的一种基于配电网拓扑结构的停电次数确定方法及装置，通过对台区和线路的停电次数确定，实现了对配电网停电情况与位置的精确定位；(1) A method and device for determining the number of power outages based on the topological structure of the distribution network provided by the embodiment of the present invention, through determining the number of power outages of the station area and the line, the precise positioning of the power outage situation and location of the distribution network is realized ;
(2)、本发明实施例提供的一种基于配电网拓扑结构的停电次数确定方法及装置，有利于通过对线路、线段、上级线段和台区的停电信息进行关联，以实现配电网停电的停电预警和停电位置分析。(2) The method and device for determining the number of power outages based on the topological structure of the distribution network provided by the embodiments of the present invention is beneficial to realize the power distribution network by associating the power outage information of lines, line segments, superior line segments, and station areas. Outage early warning and outage location analysis for power outages.
附图说明Description of drawings
图1为配电网10KV拓扑结构示意图；Figure 1 is a schematic diagram of a 10KV distribution network topology;
图2是本发明实施例提供的一种基于配电网拓扑结构的停电次数确定方法的流程图；Fig. 2 is a flow chart of a method for determining the number of outages based on the distribution network topology provided by an embodiment of the present invention;
图3是本发明实施例提供的一种基于配电网拓扑结构的停电次数确定结构的流程图。Fig. 3 is a flow chart of a structure for determining the number of power outages based on the distribution network topology provided by an embodiment of the present invention.
具体实施方式detailed description
为使发明的目的、技术方案和优点更加清楚明了，下面通过附图中及实施例，对本发明技术方案进行进一步详细说明。但是应该理解，此处所描述的具体实施例仅仅用以解释本发明技术方案，并不用于限制本发明技术方案的范围。In order to make the purpose, technical solution and advantages of the invention clearer, the technical solution of the present invention will be further described in detail below through the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described here are only used to explain the technical solution of the present invention, and are not intended to limit the scope of the technical solution of the present invention.
参见图1，图1为配电网10KV拓扑结构示意图，其中105为线路，10510、10520位主干线，10511、10512、10513和10521、10522是次干线。See Figure 1, which is a schematic diagram of the 10KV distribution network topology, where 105 is the line, 10510 and 10520 are the main lines, and 10511, 10512, 10513 and 10521 and 10522 are the secondary lines.
参见图2，图2是本发明的一种基于配电网拓扑结构的停电次数确定方法，所述方法包括如下步骤：Referring to Fig. 2, Fig. 2 is a kind of method for determining the number of power outages based on distribution network topology of the present invention, and described method comprises the following steps:
S101，获取当前线路的停电信息；S101, acquiring power outage information of the current line;
S102，获得第一线段的台区；S102, obtaining the station area of the first line segment;
S103，根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数；S103. According to the line to which the first line segment belongs, all stations in the first line segment themselves, the first line segment, and the superior line segment of the first line segment obtained from the power outage information The number of power outages is to determine the total number of power outages in the station area of the first line segment;
S104，获得所述当前线路中的第二线段；S104. Obtain a second line segment in the current line;
S105，根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数。S105. Determine the total number of power outages of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information.
优选的，所述根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数，包括：Preferably, according to the line to which the first line segment belongs, all stations in the first line segment themselves, the first line segment and the first line segment obtained from the power outage information The number of power outages of the superior line segment determines the total number of power outages in the station area of the first line segment, including:
将从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数之和，确定为所述第一线段的台区停电总次数。The number of power outages of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment, and the superior line segment of the first line segment obtained from the power outage information The sum is determined as the total number of power outages in the station area of the first line segment.
优选的，所述第一线段的停电，包括：Preferably, the power outage of the first line segment includes:
在所述第一线段的上级线段未停电的情况，所述第一线段中停电的台区数量不小于第一预设数量，且所述第一预设数量的台区停电开始的时间差值不小于第一预设时间。In the case that the upper line segment of the first line segment is not powered off, the number of stations with power outages in the first line segment is not less than the first preset number, and the time when the power outage of the first preset number of station areas starts The difference is not less than the first preset time.
所述第一线段的上级线段，包括：The superior line segment of the first line segment includes:
在所述第一线段的前端，且与所述第一线段的停电开始时间的差值小于预设值。It is at the front end of the first line segment, and the difference from the power failure start time of the first line segment is less than a preset value.
优选的，根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数，包括：Preferably, determining the total number of power outages of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information includes:
将从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数之和，确定为所述第二线段的停电总次数。The sum of the second line segment itself, the superior line segment of the second line segment, and the number of power outages of the current line obtained from the power outage information is determined as the total number of power outages of the second line segment.
本领域技术人员可以理解的是:台区停电、线路停电信息由系统推送过来，线段停电由逻辑判定得来，其中线段停电逻辑判断包括：线段停电为同一线段下的台区停电数量不小于一定数量，至少不低于2个，且这2个台区的停电开始时时间差不小于一个预设时间值，具体的，预设时间值可以根据配电网特点和数据采集情况设定为5分钟；同一线路中会存在多条线段停电，多线段停电逻辑判断包括：线段包含在同一线路内，且线路关联性满足并行条件，即在同一上级线段下，具体的至少不低于2条线段，且线段间的停电开始时间差不大于某一设定时间值，具体的可以为3分钟，这和配电网特点和数据采集情况相关。Those skilled in the art can understand that: the power outage in the station area and the power outage information of the line are pushed by the system, and the power outage in the line segment is obtained by logical judgment. The number, at least not less than 2, and the time difference between the start of the power outage of these two stations is not less than a preset time value, specifically, the preset time value can be set to 5 minutes according to the characteristics of the distribution network and the data collection situation ; There will be multiple line segment power outages in the same line, and the logic judgment of multi-line segment power outages includes: the line segments are included in the same line, and the line relevance meets the parallel conditions, that is, under the same superior line segment, at least not less than 2 line segments, And the power outage start time difference between line segments is not greater than a certain set time value, specifically 3 minutes, which is related to the characteristics of the distribution network and the data collection situation.
将某一线段中所有的台区设定为监控目标，台区的停电原因可以是台区自身的停电、台区所属线段的停电、所属线路的上级线段的停电以及当前线路的停电；所属线路的上级线段的停电包括：台区的所属线段跟其他线段比较属于同一线路、2条线段停电的开始时间差小于3分钟，根据线段编码逻辑关系，2条线段中编码较小的成为上级线段。Set all the stations in a line segment as monitoring targets. The reason for the power outage of the station area can be the power outage of the station itself, the power outage of the line segment to which the station area belongs, the power outage of the superior line segment of the line to which it belongs, and the power outage of the current line; The power outage of the superior line segment includes: the line segment to which the station area belongs belongs to the same line compared with other line segments, and the power failure start time difference of the two line segments is less than 3 minutes. According to the logic relationship of the line segment codes, the smaller coded of the two line segments becomes the superior line segment.
具体的，线段停电总次数为线段自身停电次数、上级线段停电次数及线路停电次数总和。Specifically, the total number of power outages of the line segment is the sum of the number of power outages of the line segment itself, the number of power outages of the superior line segment, and the number of power outages of the line.
示例性的，人工监测的结果为大章李1#台区停电43次，采用本方法实现的监测结果为：大章李1#台区停电43次，其中线路停电1次，线段停电17次，台区自身停电25次，通过本发明实施例提供的停电确定，实现了对停电情况与位置的精确定位。Exemplarily, the result of manual monitoring is 43 power outages in the Dazhangli 1# station area, and the monitoring result realized by this method is: 43 power outages in the Dazhangli 1# station area, including 1 line power outage and 17 line segment power outages , The power outage of the station area itself was 25 times, and the power outage determination provided by the embodiment of the present invention realized the precise positioning of the power outage situation and location.
示例性的，还可以实现对线路薄弱环节的诊断，以线段朱仙10520为例，停电6次，根据影响范围确定为分段开关的配置导致分段不合理，可以通过增加开关，减少停电影响。可以根据台区、线段和线路的停电次数确定是否为停电异常，如果异常进行相应原因的排查。示例性的，以图1中的朱仙10520线段为例，假设10520自身停电的次数为2次、10510的停电次数为3次、105线路的停电次数为1次，那么10520的停电次数为：2+3+1＝6次。Exemplarily, it is also possible to realize the diagnosis of the weak link of the line. Taking the line section Zhuxian 10520 as an example, there were 6 power outages. According to the scope of influence, it was determined that the configuration of the segment switch caused the segmentation to be unreasonable. The impact of power failure can be reduced by adding switches . According to the number of power outages in the station area, line segment and line, it can be determined whether it is an abnormal power outage, and if it is abnormal, the corresponding cause should be checked. Exemplarily, taking the Zhuxian 10520 line segment in Figure 1 as an example, assuming that the number of power outages of 10520 itself is 2 times, the number of power outages of 10510 is 3 times, and the number of power outages of line 105 is 1 time, then the number of power outages of 10520 is: 2+3+1=6 times.
参见图3，图3是本发明的一种基于配电网拓扑结构的停电次数确定装置，所述装置可以包括：Referring to FIG. 3, FIG. 3 is a device for determining the number of power outages based on distribution network topology of the present invention, and the device may include:
获取模块201，用于获取当前线路的停电信息；Obtaining module 201, used to obtain the power outage information of the current line;
第一获得模块202，用于获得第一线段的台区；A first obtaining module 202, configured to obtain the platform area of the first line segment;
第一确定模块203，用于根据从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数，确定所述第一线段的台区停电总次数；The first determination module 203 is configured to obtain from the power outage information the line to which the first line segment belongs, all stations in the first line segment themselves, the first line segment and the first The number of power outages of the superior line segment of the line segment determines the total number of power outages in the station area of the first line segment;
第二获得模块204，用于获得所述当前线路中的第二线段；A second obtaining module 204, configured to obtain a second line segment in the current line;
第二确定模块205，用于根据从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数，确定所述第二线段的停电总次数。The second determination module 205 is configured to determine the total number of power outages of the second line segment according to the second line segment itself, the superior line segment of the second line segment, and the current number of power outages obtained from the power outage information .
优选的，所述第一确定模块203，具体用于：Preferably, the first determination module 203 is specifically used for:
将从所述停电信息中获得的所述第一线段所属的线路、所述第一线段中所有台区自身、所述第一线段和所述第一线段的上级线段的停电次数之和，确定为所述第一线段的台区停电总次数。The number of power outages of the line to which the first line segment belongs, all station areas in the first line segment, the first line segment, and the superior line segment of the first line segment obtained from the power outage information The sum is determined as the total number of power outages in the station area of the first line segment.
优选的，所述第一线段的上级线段，包括：Preferably, the superior line segment of the first line segment includes:
在所述第一线段的前端，且与所述第一线段的停电开始时间的差值小于预设值。It is at the front end of the first line segment, and the difference from the power failure start time of the first line segment is less than a preset value.
优选的，所述第一线段的上级线段，包括：Preferably, the superior line segment of the first line segment includes:
在所述第一线段的前端，且与所述第一线段的停电开始时间的差值小于预设值。It is at the front end of the first line segment, and the difference from the power failure start time of the first line segment is less than a preset value.
优选的，所述第二确定模块205，具体用于：Preferably, the second determination module 205 is specifically used for:
将从所述停电信息中获得的所述第二线段自身、所述第二线段的上级线段和所述当前线路停电次数之和，确定为所述第二线段的停电总次数。The sum of the second line segment itself, the superior line segment of the second line segment, and the number of power outages of the current line obtained from the power outage information is determined as the total number of power outages of the second line segment.
与现有技术相比，本发明的一种基于配电网拓扑结构的停电次数确定方法及装置，通过对台区和线路的停电次数确定，实现了对配电网停电情况与位置的精确定位；对线路、线段、上级线段和台区的停电信息进行关联，以实现配电网停电的精准管理。Compared with the prior art, a method and device for determining the number of power outages based on the topological structure of the distribution network of the present invention realizes the precise positioning of the power outage situation and location of the distribution network by determining the number of power outages in the station area and the line ;Associate the power outage information of the line, line segment, superior line segment and station area to achieve precise management of power outages in the distribution network.
通过本发明的一种基于配电网拓扑结构的停电次数确定方法及装置，将日常手工监测变革为通过工具自动透视，实现更加全面、精准的检测。通过人工监测：李场线107线路上半年停电1次，大章李1#台区停电43次。通过本发明的一种基于配电网拓扑结构的停电次数确定方法及装置，李场线107线路停电1次；尤集10710停电4次；自身停电3次；尤集10720停电20次，其中线路停电1次，上级线段停电3次，自身停16次；大章李1#台区停电43次，其中线路停电1次，线段停电17次，自身停电25次。Through the method and device for determining the number of power outages based on the topological structure of the distribution network of the present invention, daily manual monitoring is transformed into automatic perspective through tools, and more comprehensive and accurate detection is realized. Through manual monitoring: Line 107 of Lichang Line had one power outage in the first half of the year, and Dazhang Li 1# station had 43 power outages. Through a method and device for determining the number of power outages based on the topological structure of the distribution network of the present invention, Lichang line 107 has 1 power outage; Youji 10710 has 4 power outages; its own power failure has 3 times; Youji 10720 has 20 power outages, of which the line There was 1 power outage, 3 power outages on the superior line, and 16 self-power outages; 43 power outages in the Dazhangli 1# station area, including 1 line power outage, 17 line power outages, and 25 self-power outages.
综上所述，本文提出的一种基于配电网拓扑结构的停电次数确定方法及装置，通过停电的判定逻辑，实现了对停电情况与位置的精确定位；有利于通过对线路、线段、上级线段和台区的停电信息进行关联，以实现配电网停电的停电预警和停电位置分析。In summary, a method and device for determining the number of power outages based on the topological structure of the distribution network proposed in this paper realizes the precise positioning of the power outage situation and location through the judgment logic of power outages; The power outage information of the line segment and the station area is associated to realize the power outage warning and power outage location analysis of the distribution network power outage.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
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