CN110058190A - Non- register one's residence does not power off electric energy meter and visits one house after another detection device and method - Google Patents
Non- register one's residence does not power off electric energy meter and visits one house after another detection device and method Download PDFInfo
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Abstract
本发明提供一种非入户不断电电能表串户检测装置及方法，非入户不断电电能表串户检测装置是在保证非入户及电力供应不间断的前提下，正确识别住户与电能表之间的对应关系，其由装置主机和装置从机组成，装置主机会受控依次产生不同频率的高频信号，信号通过耦合电路耦合进入电能表与住户之间的用电线路，信号会在因住户前端的空开处传输阻抗发生变化而向外产生辐射，装置从机通过扫描辐射信号的频率及强度来判断住户与电能表之间的对应关系，并将信息存入内部数据存储单元。此外，装置主机与装置从机之间能通过无线进行信号传输，装置从机能控制装置主机输出不同频率信号。本发明较现有检测装置及方法具有检测效率及识别准确度高等优点。
The present invention provides a non-entering household uninterruptible power meter serial-to-house detection device and method. The non-household uninterrupted power meter serial-to-house detection device can correctly identify households and electrical energy on the premise of ensuring non-household uninterrupted power supply and uninterrupted power supply. The corresponding relationship between the meters is composed of the device host and the device slave. The device host will be controlled to generate high-frequency signals of different frequencies in turn. The signals are coupled into the power line between the energy meter and the household through the coupling circuit. Due to the change of transmission impedance at the front end of the household, radiation is generated. The device slave scans the frequency and intensity of the radiation signal to determine the corresponding relationship between the household and the electric energy meter, and stores the information in the internal data storage unit. . In addition, signal transmission can be performed wirelessly between the device master and the device slave, and the device slave functions to control the device master to output signals of different frequencies. Compared with the existing detection device and method, the invention has the advantages of high detection efficiency and high recognition accuracy.
Description
技术领域technical field
本发明涉及配网用电检测技术领域，具体涉及一种非入户不断电电能表串户检测装置及方法。The invention relates to the technical field of power consumption detection in distribution networks, in particular to a non-entering household uninterruptible power meter serial household detection device and method.
背景技术Background technique
现场用电安装接线过程中，因住户空气开关与电能表安装地点不同，二者之间会存在一定的距离，电能表出线端到空气开关进线端之间的电力线路会被遮蔽物遮挡，线路接好后往往会出现电能表1接入住户2的现象，这种现象称为电能表串户，导致住户2交的电费与实际用电量出现差异的问题。During the on-site power installation and wiring process, due to the different installation locations of the household air switch and the electric energy meter, there will be a certain distance between them. After the line is connected, the phenomenon that the electric energy meter 1 is connected to the household 2 often occurs. This phenomenon is called the electric energy meter connecting the households, resulting in the difference between the electricity bill paid by the household 2 and the actual electricity consumption.
目前解决电能表串户问题的方法主要有三种，一是通过断电或增加用电量来判断电能表与用户之间的对应关系，但是此方法需要住户在家配合，且增加用电会导致住户用电体验和满意度降低；二是进入用户家中，在电能出线端和用户空开处分别连接一个检测装置，通过电力线载波来判断电能表与住户之间是否直连，此方法同样需要住户在家配合，对住户生活产生干扰；三是在电能表出线端安装信号耦合器，利用信号扫描装置在住户侧扫描信号，来判断电能表与住户之间的对应关系，此方法的不足之处是信号耦合进电力线路后，会从不同的路径传输至多个住户处，检测结果准确性较低，且在住户处未检测到信号后，需要重新返回到电能表安装处，将信号耦合器安装至邻近电能表重新进行测试，检测效率低下。因此研发检测准确率和检测效率高的非入户不断电电能表串户检测装置具有重大意义。At present, there are three main methods to solve the problem of electric energy meters connected to households. One is to judge the corresponding relationship between electric energy meters and users by powering off or increasing electricity consumption. However, this method requires households to cooperate at home, and increasing electricity consumption will cause households The power consumption experience and satisfaction are reduced; the second is to enter the user's home, connect a detection device to the power outlet and the user's air switch, and use the power line carrier to determine whether the electric energy meter and the household are directly connected. This method also requires the household to be at home. The third is to install a signal coupler at the outlet end of the electric energy meter, and use the signal scanning device to scan the signal on the household side to judge the corresponding relationship between the electric energy meter and the household. The disadvantage of this method is that the signal After being coupled into the power line, it will be transmitted to multiple households from different paths. The accuracy of the detection results is low, and after no signal is detected at the household, it is necessary to return to the installation of the electric energy meter, and install the signal coupler to the adjacent area. The energy meter is re-tested, and the detection efficiency is low. Therefore, it is of great significance to develop a non-connected uninterruptible power meter serial-to-household detection device with high detection accuracy and detection efficiency.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于解决上述问题，提供一种非入户不断电电能表串户检测装置及方法，其作用在非入户和不断电的前提下，利用电力线进行载波传输信号，装置在住户侧扫描辐射到空间中的载波信号频率及强度，来判断住户与电能表之间的对应关系，提高电能表串户检测准确率和检测效率。The purpose of the present invention is to solve the above-mentioned problems, and to provide a non-residential uninterruptible power meter serial-to-household detection device and method, which acts on the premise of non-residential and uninterrupted power supply, using power lines to transmit signals by carrier wave, and the device is installed on the household side. Scan the frequency and intensity of the carrier signal radiated into the space to judge the corresponding relationship between the household and the electric energy meter, and improve the detection accuracy and detection efficiency of the electric energy meter.
本发明的技术方案：Technical scheme of the present invention:
一种非入户不断电电能表串户检测装置，包括装置主机和装置从机，所述装置主机包括信号发生器、信号耦合电路、多路高频阻波器、多路开关、电能表通信单元、主机无线通信单元、主机MCU、主机触摸显示屏、主机数据存储单元以及主机电源模块；A non-entering uninterruptible power meter serial-to-household detection device includes a device host and a device slave, the device host includes a signal generator, a signal coupling circuit, a multi-channel high-frequency wave filter, a multi-channel switch, and a communication device for the energy meter. unit, host wireless communication unit, host MCU, host touch display screen, host data storage unit and host power supply module;
所述的信号发生器受所述主机MCU控制，输出不同频率高频信号，并将信号传输至信号耦合电路，所述信号耦合电路与多路开关相连，通过多路开关将信号耦合至同一电井中不同电能表的出线端；The signal generator is controlled by the host MCU, outputs high-frequency signals of different frequencies, and transmits the signals to the signal coupling circuit, which is connected to the multi-way switch, and the signal is coupled to the same circuit through the multi-way switch. Outgoing terminals of different electric energy meters in the well;
所述多路高频阻波器与多路开关相连，通过多路开关控制与多个电能表出线端相连，与耦合有高频信号的电能表出线端断开，高频阻波器用于阻止高频信号通过线路传输至其它电能表出线端；The multi-channel high-frequency wave choke is connected to the multi-way switch, is connected to the outlet terminals of a plurality of electric energy meters through the control of the multi-channel switch, and is disconnected from the outlet end of the electric energy meter coupled with the high-frequency signal, and the high-frequency wave choke device is used to prevent The high-frequency signal is transmitted to the outlet of other electric energy meters through the line;
所述多路开关与多个电能表出线端相接，受主机MCU控制，多路开关将信号发生器产生的高频信号依次耦合至某一电能表，将其余电能表接入多路高频阻波器；The multi-way switch is connected to the outlet terminals of a plurality of electric energy meters and is controlled by the host MCU. The multi-way switch couples the high-frequency signals generated by the signal generator to a certain electric energy meter in turn, and connects the other electric energy meters to the multi-channel high-frequency signals. wave trap;
所述电能表通信单元读取电能表信息，所述主机无线通信单元与装置从机进行通信，将电能表通信单元读取的电能表信息发送给装置从机；The electric energy meter communication unit reads the electric energy meter information, the host wireless communication unit communicates with the device slave, and sends the electric energy meter information read by the electric energy meter communication unit to the device slave;
所述装置从机包含信号扫描及解耦单元、从机无线通信单元、从机MCU、从机触摸显示屏、数据分析及存储单元、从机电源模块；The device slave includes a signal scanning and decoupling unit, a slave wireless communication unit, a slave MCU, a slave touch display screen, a data analysis and storage unit, and a slave power supply module;
所述信号扫描及解耦单元在住户侧扫描装置主机通过线路传输出来的高频信号，并对信号进行解耦；The signal scanning and decoupling unit scans the high-frequency signal transmitted by the device host through the line on the household side, and decouples the signal;
所述从机无线通信单元发送控制信号给装置主机；The slave wireless communication unit sends a control signal to the device host;
所述从机MCU控制信号扫描及解耦单元获取高频信号；控制无从机线通信单元发送无线信号；The slave MCU controls the signal scanning and decoupling unit to obtain high-frequency signals; controls the slave-less line communication unit to send wireless signals;
所述数据分析及存储单元用于分析信号扫描及解耦单元获取的高频信号频率及信号强度，判断住户与电能表之间的对应关系，存储高频信号数据、判断信息数据、装置主机配置数据及装置从机配置数据。The data analysis and storage unit is used to analyze the frequency and signal strength of the high-frequency signal obtained by the signal scanning and decoupling unit, determine the corresponding relationship between the household and the electric energy meter, and store the high-frequency signal data, judgment information data, and device host configuration. data and device slave configuration data.
所述主机电源模块从电能表前端线路通过交变磁场取电或通过安装电池给装置主机供电。The host power module takes power from the front-end circuit of the electric energy meter through an alternating magnetic field or supplies power to the device host by installing a battery.
所述从机电源模块通过安装电池给装置从机供电。The slave power supply module supplies power to the device slave by installing a battery.
一种非入户不断电电能表串户检测方法，包括以下具体步骤：A non-entering household uninterruptible power meter serial detection method, comprising the following specific steps:
(1)在电能表侧设置装置主机无线通信模块为信号监听模式；(1) Set the wireless communication module of the device host to the signal monitoring mode on the side of the electric energy meter;
(2)在电能表侧设置装置主机读取1#电能表的地址信息，并进行数据存储；(2) Set the device host on the electric energy meter side to read the address information of the 1# electric energy meter, and store the data;
(3)在电能表侧设置装置主机产生某一高频信号f1，并存储信号数据，将信号耦合进1#电能表出线端；(3) Set the device host on the electric energy meter side to generate a certain high-frequency signal f 1 , store the signal data, and couple the signal into the 1# electric energy meter outlet;
(4)装置主机将多路高频阻波器接入剩余电能表出线端；(4) The main unit of the device connects the multi-channel high-frequency wave trap to the outlet end of the residual energy meter;
(5)装置从机无线通信单元读取装置主机存储的电能表1#的地址信息及信号数据；(5) The device slave wireless communication unit reads the address information and signal data of the electric energy meter 1# stored by the device host;
(6)装置从机扫描及解耦单元获取高频信号频率及信号强度P1；(6) The device obtains high-frequency signal frequency and signal strength P 1 from the machine scanning and decoupling unit;
(7)在住户1侧设置装置从机无线通信单元发送线路切换信号至装置主机；(7) Set the device slave wireless communication unit on the household 1 side to send the line switching signal to the device host;
(8)装置主机接收装置从机发送的线路切换信号，控制多路开关切换线路，产生高频信号f2，并存储信号数据，将信号耦合进2#电能表出线端，将多路高频阻波器接入剩余电能表出线端；(8) The device host receives the line switching signal sent by the device slave, controls the multi-channel switch to switch the line, generates a high-frequency signal f 2 , stores the signal data, and couples the signal into the 2# power meter outlet, and the multi-channel high-frequency signal f 2 is stored. The wave trap is connected to the outlet end of the residual energy meter;
(9)装置从机无线通信单元读取装置主机存储的2#电能表的地址信息及信号数据；(9) The device slave wireless communication unit reads the address information and signal data of the 2# electric energy meter stored by the device host;
(10)装置从机扫描及解耦单元获取高频信号频率及信号强度P2；(10) The device obtains high-frequency signal frequency and signal strength P 2 from the machine scanning and decoupling unit;
(11)重复(7)～(10)，直到所有电能表出线端均耦合过传输出不同频率高频信号频率及信号强度Pk；(11) Repeat (7) to (10) until all the outgoing terminals of the electric energy meter are coupled to transmit different frequencies of high-frequency signal frequencies and signal strengths P k ;
(12)装置从机进行数据分析，根据传输线理论可知，当1#电能表与住户1之间是线路直连关系时，在住户1侧所测得信号强度P1应为最大，即，从而可判断1#电能表与住户1之间为直连对应关系，反之，当1#电能表与住户1之间是线路非直连关系时，信号在传输过程中会不断削弱，在住户1侧所测得的信号强度P1则会较小，通过比较P1～Pk之间的大小，找出最大值Pm，即m#电能表与住房1为直连对应关系，存储电能表地址信息与对应住户信息；(12) The device slave performs data analysis. According to the transmission line theory, when there is a direct line connection between the 1# electric energy meter and household 1, the measured signal strength P 1 on the side of household 1 should be the largest, that is, so that It can be judged that the relationship between the 1# electric energy meter and the household 1 is a direct connection. On the contrary, when the 1# electric energy meter and the household 1 are not directly connected, the signal will continue to weaken during the transmission process, and the signal will be weakened continuously on the side of the household 1. The measured signal strength P 1 will be relatively small. By comparing the magnitudes between P 1 and P k , find the maximum value P m , that is, the m# electric energy meter is directly connected to housing 1, and the address of the electric energy meter is stored. information and corresponding household information;
(13)同理可对应得出全部n个电能表与n个住户之间的对应关系，实现非入户不断电电能表串户检测。(13) In the same way, the corresponding relationship between all n electric energy meters and n households can be obtained correspondingly, so as to realize the serial household detection of non-household uninterrupted electric energy meters.
与现有技术相比，本发明的有益效果是：高频阻波器用于阻止高频信号通过线路传输至其它电能表出线端，防止非入户不断电电能表串户检测装置识别出现错误的问题。装置主机与装置从机之间能通过无线通信单元进行通信，从机可以控制和配置主机参数，避免检测人员在电能表安装侧与住户侧来回走动来设置装置主机参数，检测效率高。Compared with the prior art, the beneficial effects of the present invention are: the high-frequency wave blocker is used to prevent the high-frequency signal from being transmitted to the outlet end of other electric energy meters through the line, and to prevent the non-entering uninterrupted electric energy meter serial-to-household detection device from recognizing an error. question. The device host and the device slave can communicate through the wireless communication unit, and the slave can control and configure the parameters of the host, so as to avoid the detection personnel walking back and forth between the installation side of the electric energy meter and the household side to set the parameters of the device host, and the detection efficiency is high.
附图说明Description of drawings
图1为本发明的整体示意图；Fig. 1 is the overall schematic diagram of the present invention;
图2为本发明的排查仪主机电路原理示意图；Fig. 2 is the schematic diagram of the main circuit principle of the checker of the present invention;
图3为本发明的排查仪从机电路原理示意图。FIG. 3 is a schematic diagram of the circuit principle of the slave machine of the troubleshooter of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参阅图1-图3，本发明提供一种技术方案：Please refer to Fig. 1-Fig. 3, the present invention provides a technical solution:
一种非入户不断电电能表串户检测装置，包括装置主机和装置从机，所述装置主机包括信号发生器、信号耦合电路、多路高频阻波器、多路开关、电能表通信单元、主机无线通信单元、主机MCU、主机触摸显示屏、主机数据存储单元以及主机电源模块；A non-entering uninterruptible power meter serial-to-household detection device includes a device host and a device slave, the device host includes a signal generator, a signal coupling circuit, a multi-channel high-frequency wave filter, a multi-channel switch, and a communication device for the energy meter. unit, host wireless communication unit, host MCU, host touch display screen, host data storage unit and host power supply module;
所述装置主机是便携式的，同时接入多块电能表，通过主机触摸显示屏配置参数，设置输出高频信号，并将高频信号耦合至某一块电能表出线端，读取电能表信息，控制多路开关将多路高频阻波器接入剩余电能表出线端。The main unit of the device is portable, and is connected to multiple electric energy meters at the same time, configures parameters through the touch screen of the main unit, sets the output high-frequency signal, and couples the high-frequency signal to the outlet end of a certain electric energy meter to read the information of the electric energy meter, The multi-channel switch is controlled to connect the multi-channel high-frequency wave trap to the outlet end of the residual energy meter.
所述的信号发生器受所述主机MCU控制，输出不同频率高频信号，并将信号传输至信号耦合电路，所述信号耦合电路与多路开关相连，通过多路开关将信号耦合至同一电井中不同电能表的出线端；The signal generator is controlled by the host MCU, outputs high-frequency signals of different frequencies, and transmits the signals to the signal coupling circuit, which is connected to the multi-way switch, and the signal is coupled to the same circuit through the multi-way switch. Outgoing terminals of different electric energy meters in the well;
所述多路高频阻波器与多路开关相连，通过多路开关控制与多个电能表出线端相连，与耦合有高频信号的电能表出线端断开，高频阻波器用于阻止高频信号通过线路传输至其它电能表出线端；The multi-channel high-frequency wave choke is connected to the multi-way switch, is connected to the outlet terminals of a plurality of electric energy meters through the control of the multi-channel switch, and is disconnected from the outlet end of the electric energy meter coupled with the high-frequency signal, and the high-frequency wave choke device is used to prevent The high-frequency signal is transmitted to the outlet of other electric energy meters through the line;
所述多路开关与多个电能表出线端相接，受主机MCU控制，多路开关将信号发生器产生的高频信号依次耦合至某一电能表，将其余电能表接入多路高频阻波器；The multi-way switch is connected to the outlet terminals of a plurality of electric energy meters and is controlled by the host MCU. The multi-way switch couples the high-frequency signals generated by the signal generator to a certain electric energy meter in turn, and connects the other electric energy meters to the multi-channel high-frequency signals. wave trap;
所述电能表通信单元读取电能表信息，所述主机无线通信单元与装置从机进行通信，将电能表通信单元读取的电能表信息发送给装置从机；The electric energy meter communication unit reads the electric energy meter information, the host wireless communication unit communicates with the device slave, and sends the electric energy meter information read by the electric energy meter communication unit to the device slave;
所述装置从机包含信号扫描及解耦单元、从机无线通信单元、从机MCU、从机触摸显示屏、数据分析及存储单元、从机电源模块；The device slave includes a signal scanning and decoupling unit, a slave wireless communication unit, a slave MCU, a slave touch display screen, a data analysis and storage unit, and a slave power supply module;
所述装置从机是便携式的，通过从机触摸显示屏配置自身参数；装置主机耦合至电能表出线端的高频信号，在靠近用户侧时会因线路传输阻抗的变化而向空间辐射，装置从机扫描获取辐射信号进行信号分析；接收装置主机无线通信单元传输过来的电能表信息，判断住户与电能表之间的对应关系，存储分析数据及判断结果；通过无线通信单元发送控制信号给装置从机。The device slave is portable, and its own parameters are configured through the slave touch screen; the high-frequency signal coupled from the device host to the outlet end of the power meter will radiate into space due to the change of line transmission impedance when it is close to the user side. Scanning to obtain radiation signals for signal analysis; receiving the energy meter information transmitted by the wireless communication unit of the host device, judging the corresponding relationship between the household and the energy meter, and storing the analysis data and judgment results; sending control signals to the device from the wireless communication unit machine.
所述信号扫描及解耦单元在住户侧扫描装置主机通过线路传输出来的高频信号，并对信号进行解耦；The signal scanning and decoupling unit scans the high-frequency signal transmitted by the device host through the line on the household side, and decouples the signal;
所述从机无线通信单元发送控制信号给装置主机；The slave wireless communication unit sends a control signal to the device host;
所述从机MCU控制信号扫描及解耦单元获取高频信号；控制无从机线通信单元发送无线信号；The slave MCU controls the signal scanning and decoupling unit to obtain high-frequency signals; controls the slave-less line communication unit to send wireless signals;
所述数据分析及存储单元用于分析信号扫描及解耦单元获取的高频信号频率及信号强度，判断住户与电能表之间的对应关系，存储高频信号数据、判断信息数据、装置主机配置数据及装置从机配置数据。The data analysis and storage unit is used to analyze the frequency and signal strength of the high-frequency signal obtained by the signal scanning and decoupling unit, determine the corresponding relationship between the household and the electric energy meter, and store the high-frequency signal data, judgment information data, and device host configuration. data and device slave configuration data.
本发明以某小区n个电能表为例，对本发明电能表串户检测具体实施方式进行说明。The present invention takes n electric energy meters in a certain cell as an example to describe the specific implementation of the electric energy meter serial household detection of the present invention.
图1所示为本发明非入户不断电电能表串户检测装置系统接线框图，n个电能表对应n个住户，电能表与住房之间的对应关系可能会存在错误，需要采用本发明进行电能表串户检测。具体实施步骤如下：Fig. 1 shows the wiring diagram of the system of the non-entering uninterruptible power meter serial household detection device of the present invention. There are n electric energy meters corresponding to n households, and there may be errors in the corresponding relationship between the electric energy meters and the houses. Electric energy meter serial household detection. The specific implementation steps are as follows:
步骤一：在电能表侧设置装置主机无线通信模块为信号监听模式。Step 1: Set the wireless communication module of the device host to the signal monitoring mode on the side of the electric energy meter.
步骤二：在电能表侧设置装置主机读取2#电能表的地址信息，并进行数据存储。Step 2: Set the device host on the side of the electric energy meter to read the address information of the 2# electric energy meter, and store the data.
步骤三：在电能表侧设置装置主机产生某一高频信号f1，并存储信号数据，将信号耦合进1#电能表出线端。Step 3: Set the device host on the electric energy meter side to generate a certain high-frequency signal f 1 , store the signal data, and couple the signal into the 1# electric energy meter outlet terminal.
步骤四：装置主机将多路高频阻波器接入剩余电能表出线端。Step 4: The device host connects the multi-channel high-frequency wave trap to the outlet end of the residual energy meter.
步骤五：装置从机无线通信单元读取装置主机存储的电能表1#的地址信息及信号数据。Step 5: The device slave wireless communication unit reads the address information and signal data of the electric energy meter 1# stored by the device host.
步骤六：装置从机扫描及解耦单元获取高频信号频率f1'及信号强度P1。Step 6: The device obtains the high-frequency signal frequency f 1 ' and the signal strength P 1 from the scanning and decoupling unit of the device.
步骤七：在住户1侧设置装置从机无线通信单元发送线路切换信号至装置主机。Step 7: Set the device slave wireless communication unit on the household 1 side to send a line switching signal to the device host.
步骤八：装置主机接收装置从机发送的线路切换信号，控制多路开关切换线路，产生高频信号f2，并存储信号数据，将信号耦合进2#电能表出线端，将多路高频阻波器接入剩余电能表出线端。Step 8: The device host receives the line switching signal sent by the device slave, controls the multi-channel switch to switch the line, generates a high-frequency signal f 2 , stores the signal data, and couples the signal into the 2# power meter outlet, and the multi-channel high-frequency signal f 2 is stored. The wave trap is connected to the outlet end of the residual energy meter.
步骤九：装置从机无线通信单元读取装置主机存储的2#电能表的地址信息及信号数据。Step 9: The device slave wireless communication unit reads the address information and signal data of the 2# electric energy meter stored in the device host.
步骤十：装置从机扫描及解耦单元获取高频信号频率f2'及信号强度P2。Step ten: the device obtains the high frequency signal frequency f 2 ' and the signal strength P 2 from the scanning and decoupling unit of the device.
步骤十一：重复步骤七～步骤十，直到所有电能表出线端均耦合过传输出不同频率高频信号频率fk'及信号强度Pk。Step 11: Repeat steps 7 to 10 until all the outgoing terminals of the electric energy meter are coupled to transmit high-frequency signals with different frequencies f k ′ and signal strengths P k .
步骤十二：装置从机进行数据分析，根据传输线理论可知，当1#电能表与住户1之间是线路直连关系时，在住户1侧所测得信号强度P1应为最大，即 P1＞P2＞…＞Pk，从而可判断1#电能表与住户1之间为直连对应关系，反之，当 1#电能表与住户1之间是线路非直连关系时，信号在传输过程中会不断削弱，在住户1侧所测得的信号强度P1则会较小，通过比较P1～Pk之间的大小，找出最大值Pm，即m#电能表与住房1为直连对应关系，存储电能表地址信息与对应住户信息。Step 12: The device slave performs data analysis. According to the transmission line theory, when there is a direct line connection between the 1# electric energy meter and household 1, the measured signal strength P 1 on the side of household 1 should be the maximum, that is, P 1 >P 2 >…>P k , so it can be judged that the relationship between the 1# electric energy meter and the household 1 is directly connected. On the contrary, when the 1# electric energy meter and the household 1 are not directly connected, the signal is During the transmission process, it will continue to weaken , and the signal strength P 1 measured on the side of household 1 will be small. 1 is the direct connection correspondence, which stores the address information of the electric energy meter and the corresponding household information.
步骤十三：同理可依次得出全部n个电能表与n个住户之间一一对应关系，实现非入户不断电电能表串户检测。Step 13: In the same way, the one-to-one correspondence between all n electric energy meters and n households can be obtained in turn, so as to realize the serial household detection of non-household uninterrupted electric energy meters.
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.
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