Electric energy meter topological relation identification method and electric energy meter

Abstract

The invention relates to the technical field of electric energy meters, in particular to an electric energy meter topological relation identification method and an electric energy meter. The embodiment of the invention provides an electric energy meter topological relation identification method and an electric energy meter. The wireless communication signal strength of a second electric energy meter is acquired; obtaining a to-be-recognized object set; acquiring first electric energy data of a to-be-identified electric energy meter; acquiring a plurality of to-be-identified data sets; performing topological relation identification according to the second electric energy data and the first electric energy data; through the above mode, the first electric energy meter and each second electric energy meter carry out data interaction through wireless communication, and the wiring complexity is reduced; the to-be-matched data size is reduced through the wireless communication signal strength, the to-be-recognized data sets corresponding to the potential topological relation are constructed, topological relation recognition is carried out according to the second electric energy data and the first electric energy data of the to-be-recognized data sets, and the topological relation recognition speed and accuracy can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of electric energy meters, and in particular to a method for identifying topological relationships of electric energy meters and an electric energy meter. Background Art

[0002] The rail-type electricity meter is an electric power monitoring device installed on the electrical rail, mainly used in low-voltage power distribution systems. The rail-type electricity meter can accurately measure current and voltage, monitor power load, promptly detect and handle abnormal situations, and ensure the safe and stable operation of the power system. The correct topological relationship of the rail-type electricity meter ensures the accuracy between the supply and use of electricity in the power grid. However, after the initial installation of the rail-type electricity meter and the change of the household-to-household relationship, the topological relationship of the rail-type electricity meter will be wrong, that is, the topological relationship recorded by the rail-type electricity meter is not the current actual topological relationship of the rail-type electricity meter. Therefore, it is necessary to identify the topological relationship of the rail-type electricity meter in order to record or update the true topological relationship of the rail-type electricity meter. The topological relationship identification method in the related art is not conducive to improving the speed and accuracy of topological relationship identification. Summary of the Invention

[0003] In view of the above problems, the embodiments of the present application provide a method for identifying topological relationships of an electric energy meter and an electric energy meter to solve the above technical problems that are not conducive to improving the speed and accuracy of topological relationship identification.

[0004] In a first aspect, an embodiment of the present application provides a method for identifying a topological relationship of an electric energy meter, which is applied to a first electric energy meter. The method for identifying a topological relationship of an electric energy meter includes:

[0005] obtaining wireless communication signal strengths of a plurality of second electric energy meters;

[0006] Acquire a set of objects to be identified based on the wireless communication signal strength, wherein the set of objects to be identified includes an electric energy meter to be identified, and the electric energy meter to be identified is the second electric energy meter whose wireless communication signal strength is greater than or equal to a preset signal strength;

[0007] Acquiring first electric energy data sent by the electric energy meter to be identified;

[0008] Acquire a plurality of data sets to be identified, each of the data sets to be identified including the first electric energy data of any first number of the electric energy meters to be identified;

[0009] Topological relationship identification is performed based on the second electric energy data of the first electric energy meter and the first electric energy data of the data set to be identified.

[0010] In a second aspect, an embodiment of the present application provides an electric energy meter, which includes a chip, and the chip is used to implement the above-mentioned electric energy meter topology relationship identification method.

[0011] The embodiment of the present application provides a method for identifying topological relationships of electric energy meters and an electric energy meter, which obtains the wireless communication signal strength of multiple second electric energy meters; obtains a set of objects to be identified based on the wireless communication signal strength; obtains the first electric energy data sent by the electric energy meter to be identified; obtains multiple data sets to be identified; and performs topological relationship identification based on the second electric energy data of the first electric energy meter and the first electric energy data of the data set to be identified; in the above manner, the first electric energy meter and each second electric energy meter exchange data through wireless communication, reducing the wiring complexity; the amount of data to be matched is reduced by the wireless communication signal strength, and by constructing a data set to be identified corresponding to the potential topological relationship, and performing topological relationship identification based on the second electric energy data and the first electric energy data of each data set to be identified, which is conducive to improving the speed and accuracy of topological relationship identification.

[0012] These and other aspects of the present application will become more readily apparent from the description of the following embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The following diagram shows an application scenario of the method for identifying the topological relationship of electric energy meters provided in an embodiment of the present application.

[0014] Figure 2 A flow chart of a method for identifying topological relationships of electric energy meters provided in an embodiment of the present application is shown.

[0015] Figure 3 A schematic diagram of the structure of the chip provided in an embodiment of the present application is shown.

[0016] Figure 4 A schematic structural diagram of an electric energy meter provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0017] The embodiments of the present application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0018] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0019] In the embodiments of the present application, it should be noted that, in this document, relational terms such as first and second, etc., are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0020] Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0021] In the description of the embodiments of this application, words such as "example" or "for example" are used to indicate an example, illustration, or description. Any embodiment or design described as "for example" or "for example" in the embodiments of this application is not to be construed as being preferred or having more advantages than another embodiment or design. The use of words such as "example" or "for example" is intended to clearly present relative concepts.

[0022] In addition, in the embodiments of the present application, "plurality" refers to two or more. In view of this, in the embodiments of the present application, "plurality" can also be understood as "at least two". "At least one" can be understood as one or more, for example, one, two, or more. For example, "including at least one" means including one, two, or more, and does not limit which ones are included. For example, "including at least one of A, B, and C" means including A, B, C, A and B, A and C, B and C, or A, B, and C.

[0023] It should be noted that in the embodiments of the present application, "and / or" describes the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / ", unless otherwise specified, generally indicates that the associated objects are in an "or" relationship.

[0024] It should be noted that in the embodiments of the present application, "connection" can be understood as electrical connection, and the connection between two electrical components can be a direct or indirect connection between the two electrical components. For example, the connection between A and B can be either a direct connection between A and B or an indirect connection between A and B through one or more other electrical components.

[0025] The method for identifying the topological relationship of electric energy meters provided in the embodiment of the present application can be applied to Figure 1In the application scenario shown, in the low-voltage power distribution area, multiple meter boxes are arranged in sequence along the arrangement direction, and each meter box is provided with a first electricity meter and a first number of second electricity meters. The first electricity meter and the first number of second electricity meters in the same meter box have a topological relationship. The first electricity meter monitors and manages the first number of second electricity meters, and the first electricity meter and the second electricity meter exchange data through wireless communication. The first electricity meter is the executor of the electricity meter topology relationship identification method, and the correct topology relationship is obtained by executing the electricity meter topology relationship identification method.

[0026] exist Figure 1 In the application scenario shown, the first electric energy meter and the multiple second electric energy meters it manages are installed in the same electric meter box. Figure 1 The multiple meter boxes shown are installed in the same area, and two adjacent meter boxes are close to each other, e.g. Figure 1 The first electric energy meter 2 in the electric energy meter box 2 is relatively close to the distance between itself and each second electric energy meter in the electric energy meter box 2, and the distance between itself and each second electric energy meter in the electric energy meter box 1 is relatively close. There is also a high signal strength between the first electric energy meter 2 and some of the second electric energy meters in the electric energy meter box 1. It is impossible to distinguish whether the second electric energy meters are installed in the same electric energy meter box as the first electric energy meter 2 only by the signal strength of wireless communication.

[0027] An embodiment of the present application provides a method for identifying the topological relationship of an electric energy meter. Figure 2 As shown, the method for identifying the topological relationship of electric energy meters includes the following steps S11 to S15:

[0028] Step S11: obtaining wireless communication signal strengths of a plurality of second electric energy meters.

[0029] The first electric energy meter can be a rail-type electric energy meter, and the second electric energy meter can be a user electric energy meter. The first electric energy meter and a first number of second electric energy meters having a topological relationship are located in the same electric meter box or the same switch cabinet. On the one hand, the first electric energy meter is installed on the electrical rail and can measure the electric energy data of the entire electric meter box or switch cabinet. On the other hand, during operation, the first electric energy meter monitors real-time voltage and / or real-time current data and records the voltage data and / or current data. The first electric energy meter then synchronizes the recorded voltage data and / or current data to, for example, a regional power grid station via the Internet of Things, so that the regional power grid station can perform data analysis based on the data synchronized by each first electric energy meter.

[0030] Obtain the wireless communication signal strength of all second electric energy meters that can establish wireless communication connection with the first electric energy meter. For example, the first electric energy meter can establish wireless communication connection with all second electric energy meters within its wireless communication coverage for communication. Figure 1As shown, the wireless communication coverage range is centered on the first electric energy meter and radiates outward with the longest communication distance of the wireless communication as the radius. The second electric energy meters within the wireless communication coverage range include not only the second electric energy meters in the same electric energy meter box, but also the second electric energy meters in other electric energy meter boxes.

[0031] All second energy meters within the wireless communication coverage area can communicate wirelessly with the first energy meter. The first energy meter obtains the wireless communication signal strength of all second energy meters within its wireless communication coverage area. The closer the second energy meter is to the first energy meter, the greater the wireless communication signal strength.

[0032] In this step, the wireless communication signal strengths of the plurality of second electric energy meters capable of wirelessly communicating with the first electric energy meter are obtained, and the signal strengths are used in subsequent steps.

[0033] Step S12: obtaining a set of objects to be identified according to the wireless communication signal strength, wherein the set of objects to be identified includes an electric energy meter to be identified, and the electric energy meter to be identified is a second electric energy meter having a wireless communication signal strength greater than or equal to a preset signal strength.

[0034] Based on the wireless communication signal strength, multiple second electric energy meters that can be connected for wireless communication are screened, and the second electric energy meter with the larger signal strength is selected as the object to be identified. For example, the wireless communication signal strength of the second electric energy meter can be compared with the preset signal strength. When the wireless communication signal strength of the second electric energy meter is greater than or equal to the preset signal strength, it is added to the set of objects to be identified as the electric energy meter to be identified. When the wireless communication signal strength of the second electric energy meter is less than the preset signal strength, it is screened out. The preset signal strength is obtained based on an empirical value. If the detected wireless communication signal strength is not less than the preset signal strength, it means that the corresponding second electric energy meter is closer to the first electric energy meter. For example, the preset signal strength can be -50dBm.

[0035] Step S13: Acquire first electric energy data sent by the electric energy meter to be identified.

[0036] Among them, the electric energy meter to be identified can send first electric energy data to the first electric energy meter through wireless communication. The first electric energy data can be the electric energy increment data of the electric energy meter to be identified within a first time range, and the first time range is determined according to a first preset start time point and a first preset end time point. The first electric energy meter can send a first electric energy data acquisition instruction to all electric energy meters to be identified through wireless communication, and the instruction includes the first time range. The second electric energy meter receives the first electric energy data acquisition instruction, acquires the electric energy increment data of the first time range according to the first electric energy data acquisition instruction to generate the first electric energy data, and sends the first electric energy data to the first electric energy meter through wireless communication. Exemplarily, the second electric energy meter can use the difference between the electric energy measurement value at the first preset end time point and the electric energy measurement value at the first preset start time point as the electric energy increment data of the first time range.

[0037] For example, the first preset end time point of the first time range can be the start time point of the topological relationship identification program, or other time points that are closer to the current time; the first preset start time point can be determined according to the duration requirement of the first time range.

[0038] Step S14: Acquire multiple data sets to be identified, each data set to be identified includes first electric energy data of any first number of electric energy meters to be identified.

[0039] As mentioned above, since the distance between the first electricity meter and at least part of the second electricity meters in the adjacent electricity meter box is relatively close, this type of second electricity meter cannot be excluded during the preliminary screening based on signal strength. Therefore, the number of electricity meters to be identified is greater than the first number. To perform topological relationship identification, it is necessary to accurately identify the first number of electricity meters to be identified that have a topological relationship with the first electricity meter from multiple electricity meters to be identified.

[0040] The number of first electric energy data sets is the same as the number of electric energy meters to be identified. A first number of first electric energy data sets are randomly selected from the plurality of first electric energy data sets to form a data set to be identified. All combinations are traversed to obtain multiple data sets to be identified. Each data set to be identified is used to represent a topological relationship to be identified.

[0041] Step S15: performing topological relationship identification based on the second electric energy data of the first electric energy meter and the first electric energy data of the data set to be identified.

[0042] The first electric energy meter can measure the electric energy data of the entire meter box or switch cabinet. The second electric energy data can be the electric energy incremental data of the first electric energy meter within the first time range. The second electric energy data is consistent with the time range corresponding to each first electric energy data. For the same meter box or switch cabinet, the electric energy incremental data within the first time range measured by the first electric energy meter is consistent with the sum of the electric energy incremental data within the first time range measured by the corresponding first number of second electric energy meters.

[0043] A first number of first electric energy data in each data set to be identified are summed to obtain first calculation data of each data set to be identified; and then topological relationship identification is performed based on the first calculation data and the second electric energy data.

[0044] In this embodiment, the first electric energy meter and each second electric energy meter exchange data through wireless communication, which reduces the wiring complexity; the amount of data to be matched is reduced by the wireless communication signal strength, and by constructing a data set to be identified corresponding to the potential topological relationship, and identifying the topological relationship based on the second electric energy data and the first electric energy data of each data set to be identified, it is beneficial to improve the speed and accuracy of topological relationship identification.

[0045] As an implementation manner, in step S11 to step S15, the first electric energy meter may use the wireless communication address as an electric energy meter identifier to distinguish different second electric energy meters.

[0046] As an implementation manner, step S15 specifically includes the following steps:

[0047] Step S151: If a target data set matching the second electric energy data is successfully obtained from the plurality of data sets to be identified, a first number of electric energy meters to be identified corresponding to the target data set are used as a topology relationship identification result.

[0048] The first calculated data and the second electric energy data can be compared. If the first calculated data are consistent with the second electric energy data, the corresponding data set to be identified is the target data set, and each electric energy meter to be identified corresponding to each first electric energy data in the target data set is the topology identification result.

[0049] The first calculated data of the data set to be identified is consistent with the second electric energy data, which means that the electric energy increment data of the first electric energy meter within the first time range matches the electric energy increment data of each electric energy meter to be identified within the first time range. Specifically, in step S151, the step of obtaining the target data set that matches the second electric energy data specifically includes:

[0050] Step S1511: summing a first number of first electric energy data in each data set to be identified to obtain first calculated data of each data set to be identified;

[0051] Step S1512: Compare the first calculated data with the second electric energy data, and obtain a data set to be identified in which the first calculated data and the second electric energy data match, as a target data set.

[0052] As an implementation manner, step S15 specifically further includes the following steps:

[0053] Step S152: if a target data set matching the second electric energy data cannot be successfully obtained from the plurality of data sets to be identified, the first electric energy data sent by the electric energy meter to be identified via wireless communication is obtained at intervals of a first preset time.

[0054] If all the first calculation data are inconsistent with the second electric energy data, the acquisition of the target data set fails, and the second round of topology relationship recognition program is started after the first preset time, and steps S11 to S15 are executed again.

[0055] As an implementation manner, step S15 specifically further includes the following steps:

[0056] Step S153: If at least two target data sets matching the second electric energy data are successfully obtained from the multiple data sets to be identified, third electric energy data sent by the electric energy meter to be identified corresponding to each target data set via wireless communication is obtained at intervals of a second preset time.

[0057] The first energy data of the energy meter to be identified can be zero, that is, the user did not use electricity within the first time range. If there are multiple energy meters to be identified with first energy data of zero, this may result in more than one target data set matching the second energy data, and the target data set needs to be re-identified. After at least a second preset time period, the energy meter to be identified with first energy data of zero may generate user electricity consumption, resulting in an increase in energy measurement, and it is necessary to initiate at least one round of third energy data acquisition procedures.

[0058] The third electric energy data is the incremental electric energy data of the electric energy meter to be identified within a second time range, where the second time range is determined based on a second preset start time point and a second preset end time point. The first electric energy meter can send a third electric energy data acquisition instruction to the corresponding electric energy meter to be identified via wireless communication, where the instruction includes the second time range. The electric energy meter to be identified receives the third electric energy data acquisition instruction, acquires the incremental electric energy data for the second time range according to the third electric energy data acquisition instruction to generate the third electric energy data, and then sends the third electric energy data to the first electric energy meter via wireless communication. Specifically, the second electric energy meter can use the difference between the electric energy measurement value at the second preset end time point and the electric energy measurement value at the second preset start time point as the incremental electric energy data for the second time range. For example, the second preset end time point of the second time range can be the start time point when the first electric energy meter initiates the third electric energy data acquisition procedure, or it can be another time point close to the current time. The second preset start time point can be determined based on the duration requirements of the second time range, or it can be the same as the first preset start time point.

[0059] Step S154: performing topological relationship identification based on the fourth power data and the third power data of the target data set.

[0060] The fourth electric energy data may be the incremental electric energy data of the first electric energy meter within the second time range. The fourth electric energy data is consistent with the time range corresponding to each third electric energy data. For the same electric meter box or switch cabinet, the incremental electric energy data within the second time range measured by the first electric energy meter matches the sum of the incremental electric energy data within the second time range measured by the corresponding first number of second electric energy meters.

[0061] A first number of third electric energy data in each target data set are summed to obtain second calculated data of each target data set; and a topological relationship is identified based on the second calculated data and the fourth electric energy data.

[0062] If the second calculated data of the target data set does not match the fourth power data, the target data set is excluded. If the second calculated data of at least two target data sets respectively match the second power data, the third power data acquisition procedure is continued to be started.

[0063] As an implementation manner, step S15 further includes the following steps:

[0064] Step S161: obtaining fifth electric energy data sent by a first number of target electric energy meters having a topological relationship via wireless communication at intervals of a third preset time.

[0065] In order to avoid topology relationship recognition errors, the topology relationships of the first number of target electric energy meters are verified, and at least one round of the fifth electric energy data acquisition procedure needs to be started.

[0066] The fifth electric energy data is incremental electric energy data for the target electric energy meter within a third time range, where the third time range is determined based on a third preset start time point and a third preset end time point. The first electric energy meter can send a fifth electric energy data acquisition instruction to the corresponding target electric energy meter via wireless communication, where the instruction includes the third time range. The target electric energy meter receives the fifth electric energy data acquisition instruction, acquires the incremental electric energy data for the third time range according to the fifth electric energy data acquisition instruction to generate the fifth electric energy data, and then transmits the fifth electric energy data to the first electric energy meter via wireless communication. Specifically, the target electric energy meter can use the difference between the electric energy measurement value at the third preset end time point and the electric energy measurement value at the third preset start time point as the incremental electric energy data for the third time range. For example, the third preset end time point of the third time range can be the start time point when the first electric energy meter initiates the fifth electric energy data acquisition procedure, or it can be another time point close to the current time. The third preset start time point can be determined based on the required duration of the third time range, or it can be the same as the first preset start time point.

[0067] Step S162: performing topology relationship verification based on the sixth electric energy data and the fifth electric energy data of the first number of target electric energy meters.

[0068] The sixth electric energy data may be the electric energy increment data of the first electric energy meter within the third time range. The sixth electric energy data is consistent with the time range corresponding to each fifth electric energy data. For the same electric meter box or switch cabinet, the electric energy increment data within the second time range measured by the first electric energy meter matches the sum of the electric energy increment data within the third time range measured by the corresponding first number of target electric energy meters.

[0069] The first number of fifth electric energy data are summed to obtain third calculated data; and then the topological relationship is verified based on the third calculated data and the sixth electric energy data.

[0070] If the third calculated data matches the sixth electric energy data, the topological relationship verification is passed.

[0071] If the third calculated data does not match the sixth electric energy data, the topology relationship verification fails, and it is necessary to restart the topology relationship identification program after the first preset time period and re-execute steps S11 to S15.

[0072] As an implementation manner, step S15 further includes the following steps:

[0073] Step S171: recording wireless communication addresses of a first number of target electric energy meters having a topological relationship.

[0074] The first electric energy meter may use the wireless communication address as an electric energy meter identifier to distinguish different target electric energy meters and record the wireless communication address of the target electric energy meter.

[0075] Step S172: Sending a meter reading instruction for obtaining current electric energy data to the target electric energy meter via wireless communication.

[0076] When meter reading is required, in order to obtain incremental energy data for target energy meters within a pending meter reading time range, the pending meter reading time range being determined based on a preset meter reading start time point and a preset meter reading end time point. The first energy meter can send a meter reading instruction to all target energy meters via wireless communication, the instruction including the pending meter reading time range. The target energy meters receive the instruction, obtain incremental energy data for the pending meter reading time range based on the instruction, generate current energy data, and transmit the current energy data to the first energy meter via wireless communication.

[0077] In some embodiments, step S15 further includes the following steps:

[0078] Step S181: receiving current electric energy data sent by the target electric energy meter in response to the meter reading instruction.

[0079] Step S182: obtaining the sum of current electric energy data of a first number of target electric energy meters as first total electric energy data.

[0080] Step S183: When the first total electric energy data is inconsistent with the current total electric energy data, executing an electric energy meter topology relationship identification program to update the topology relationship.

[0081] In this embodiment, after the topology relationship is determined, if a change occurs in the user relationship, such as when a new user's electricity meter is replaced, the original topology relationship changes. The current total electricity energy data is the incremental electricity energy data of the first electricity meter within the meter reading time range. If the first total electricity energy data and the current total electricity energy data are inconsistent, it indicates that the topology relationship has changed. The topology relationship identification program is activated and steps S11 to S15 are re-executed.

[0082] As an implementation manner, the method for identifying the topological relationship of electric energy meters in this embodiment further includes:

[0083] Step S21: Acquire other first electric energy meters that can be connected by wireless communication.

[0084] The first electric energy meter can establish a wireless communication connection with other first electric energy meters in nearby electric energy meter boxes to exchange data with the other first electric energy meters.

[0085] Step S22: receiving the topology relationship identification results sent by other first electric energy meters via wireless communication.

[0086] Step S23: filtering the set of objects to be identified based on the topological relationship identification results of other first electric energy meters.

[0087] According to the topological relationship identification results of other first electric energy meters, the electric energy meters to be identified that have been confirmed to have topological relationships by other first electric energy meters can be excluded and deleted from the set of objects to be identified, so as to reduce the number of subsequent data sets to be identified and improve the speed of topological relationship identification.

[0088] In some embodiments, step S21 further includes the following steps:

[0089] Step S24: sending the topology relationship identification result to other first electric energy meters via wireless communication.

[0090] The topology relationship recognition result is shared with other first electric energy meters, so that the other first electric energy meters can filter the set of objects to be recognized, thereby improving the topology relationship recognition speed of the other first electric energy meters.

[0091] In some embodiments, step S21 further includes the following steps:

[0092] Step S31: sending the first electric energy data of the electric energy meter to be identified to other first electric energy meters via wireless communication.

[0093] The first electric energy data of the electric energy meter to be identified is shared with other first electric energy meters so that the other first electric energy meters can be directly screened and used without sending data acquisition instructions to the same electric energy meter to be identified, thereby speeding up data acquisition.

[0094] In some embodiments, the wireless communication is Bluetooth communication.

[0095] An embodiment of the present application provides a chip 200, see Figure 3 As shown, the chip 200 includes a wireless communication module 21, a storage module 22 and a processing module 23, wherein the wireless communication module 21 is used for wireless communication; the storage module 22 is used to store the electric energy meter topology relationship identification program; the processing module 23 is used to implement the steps of the above-mentioned electric energy meter topology relationship identification method when executing the electric energy meter topology relationship identification program stored on the storage module.

[0096] Exemplarily, the wireless communication module 21 is a Bluetooth communication module.

[0097] An integrated circuit (IC) is also called a chip. The chip may be, but is not limited to, a SOC (System on Chip) chip or a SIP (system in package) chip.

[0098] The chip of this embodiment is provided with a wireless communication module, which can exchange data with each second electric energy meter through wireless communication, thereby reducing the complexity of wiring; reducing the amount of data to be matched by the strength of the wireless communication signal, and constructing a data set to be identified corresponding to the potential topological relationship, and identifying the topological relationship based on the second electric energy data and the first electric energy data of each data set to be identified, which is conducive to improving the speed and accuracy of topological relationship identification.

[0099] The present application also provides an electric energy meter 300, see Figure 4 As shown, the electric energy meter 300 includes a device body and the chip 200 as described above, which is arranged in the device body. The electric energy meter 300 can be a guide rail type electric energy meter.

[0100] The electric energy meter of this embodiment exchanges data with each second electric energy meter through wireless communication, thereby reducing wiring complexity; the amount of data to be matched is reduced by the strength of the wireless communication signal; by constructing a data set to be identified corresponding to the potential topological relationship, and identifying the topological relationship based on the second electric energy data and the first electric energy data of each data set to be identified, it is beneficial to improve the speed and accuracy of topological relationship identification.

[0101] The above is only an implementation method of the present application. It should be pointed out that for ordinary technicians in this field, improvements can be made without departing from the creative concept of the present application, but these all fall within the scope of protection of the present application.

Claims

1. A method for identifying topological relationships of electric energy meters, characterized in that: Applied to a first electric energy meter, the electric energy meter topology relationship identification method includes: obtaining wireless communication signal strengths of a plurality of second electric energy meters; Acquire a set of objects to be identified based on the wireless communication signal strength, wherein the set of objects to be identified includes an electric energy meter to be identified, and the electric energy meter to be identified is the second electric energy meter whose wireless communication signal strength is greater than or equal to a preset signal strength; Acquiring first electric energy data sent by the electric energy meter to be identified; Acquire a plurality of data sets to be identified, each of the data sets to be identified includes the first electric energy data of any first number of the electric energy meters to be identified; Topological relationship identification is performed based on the second electric energy data of the first electric energy meter and the first electric energy data of the data set to be identified.

2. The method for identifying the topological relationship of electric energy meters according to claim 1, characterized in that: The performing topological relationship identification based on the second electric energy data and the first electric energy data of the data set to be identified includes: If a target data set matching the second electric energy data is successfully obtained from the plurality of data sets to be identified, a first number of electric energy meters to be identified corresponding to the target data set are used as a topology relationship identification result.

3. The method for identifying the topological relationship of electric energy meters according to claim 2, characterized in that: Acquiring the target data set matching the second electric energy data includes: Summing a first number of the first electric energy data in each of the data sets to be identified to obtain first calculated data of each of the data sets to be identified; The first calculation data is compared with the second electric energy data, and the to-be-identified data set in which the first calculation data matches the second electric energy data is obtained as the target data set.

4. The method for identifying the topological relationship of electric energy meters according to claim 2, characterized in that: The performing of topological relationship identification based on the second electric energy data and the first electric energy data of the data set to be identified further includes: If a target data set matching the second electric energy data cannot be successfully obtained from the plurality of data sets to be identified, the first electric energy data sent by the electric energy meter to be identified through wireless communication is obtained at intervals of a first preset time.

5. The method for identifying the topological relationship of electric energy meters according to claim 2, characterized in that: The performing of topological relationship identification based on the second electric energy data and the first electric energy data of the data set to be identified further includes: If at least two target data sets matching the second electric energy data are successfully obtained from the plurality of data sets to be identified, obtaining third electric energy data sent by the electric energy meter to be identified corresponding to each target data set via wireless communication at intervals of a second preset time length; A topological relationship is identified based on the fourth electric energy data and the third electric energy data of the target data set.

6. The method for identifying the topological relationship of electric energy meters according to claim 1, characterized in that: After the topological relationship is identified based on the second electric energy data and the first electric energy data of the data set to be identified, the method further includes: acquiring, at intervals of a third preset time, fifth electric energy data sent by a first number of target electric energy meters having a topological relationship through wireless communication; A topology relationship verification is performed based on the sixth electric energy data and the fifth electric energy data of the first number of target electric energy meters.

7. The method for identifying the topological relationship of electric energy meters according to claim 2, characterized in that: After taking the plurality of electric energy meters to be identified corresponding to the target data set as the topological relationship identification result, the method further includes: Recording wireless communication addresses of a first number of target electric energy meters having a topological relationship; A meter reading instruction for acquiring current electric energy data is sent to the target electric energy meter via wireless communication.

8. The method for identifying the topological relationship of electric energy meters according to claim 7, characterized in that: After the meter reading instruction for obtaining current electric energy meter data is sent to the target electric energy meter through wireless communication, the method further includes: receiving current electric energy data sent by the target electric energy meter in response to the meter reading instruction; Obtaining the sum of current electric energy data of a first number of the target electric energy meters as first total electric energy data; When the first total electric energy data is inconsistent with the current total electric energy data, an electric energy meter topology relationship identification program is executed to update the topology relationship.

9. The method for identifying the topological relationship of electric energy meters according to claim 1, characterized in that: The method for identifying the topological relationship of electric energy meters further includes: Acquire another first electric energy meter capable of wireless communication connection; receiving a topology relationship identification result sent by the other first electric energy meter via wireless communication; The set of objects to be identified is filtered according to the topological relationship identification results of the other first electric energy meters.

10. The method for identifying the topological relationship of electric energy meters according to claim 9, characterized in that: The method for identifying the topological relationship of electric energy meters further includes: Sending the topology relationship identification result to the other first electric energy meter via wireless communication; And / or, the first electric energy data of the electric energy meter to be identified is sent to the other first electric energy meter via wireless communication.

11. The method for identifying the topological relationship of electric energy meters according to claim 1, characterized in that: The wireless communication is Bluetooth communication.

12. An electric energy meter, characterized in that: The method comprises a chip, wherein the chip is used to implement the method for identifying the topological relationship of an electric energy meter according to any one of claims 1 to 11.

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