A dual-mode communication method and device applied to a power grid system

Abstract

The application is suitable for the technical field of data transmission, and provides a dual-mode communication method and equipment applied to a power grid system, including: obtaining scene information of a communication scene where a power device is located; introducing the scene information into a preset impedance calibration model to determine a first operation parameter corresponding to the power device and a second operation parameter corresponding to a relay conversion module; the first operation parameter includes carrier information used for transmitting power data; the first operation parameter is sent to the power device, so that the power device sends a carrier signal used for transmitting power data matched with the first operation parameter at a sending time; when the carrier signal is transmitted to the relay conversion module, the relay conversion module is controlled to perform signal processing on the carrier signal based on the second operation parameter, and the calibrated carrier signal is forwarded. The above method can provide stable and high-speed data transmission and improve the anti-interference capability.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of data transmission, and particularly relates to a dual-mode communication method and device applied to a power grid system. BACKGROUND

[0002] With the continuous development of smart grid technology, data transmission through a power grid has become possible. Existing power grid application technology can transmit power data by using high-speed power line carrier communication (HPLC) technology, without manual meter reading, thereby achieving the purpose of quickly obtaining power data of a power meter.

[0003] However, in the process of transmitting power data by using HPLC in the existing transmission technology, the stability and data transmission rate may be seriously affected in the case of large environmental noise and strong interference of the power grid. Therefore, the existing power data transmission technology has the problem of being unable to provide stable and high-speed data transmission and good anti-interference capability. SUMMARY

[0004] The embodiments of the application provide a dual-mode communication method and device applied to a power grid system, which can solve the problem in the existing transmission technology that stable and high-speed data transmission cannot be provided and good anti-interference capability is also not provided.

[0005] In a first aspect, the embodiments of the application provide a dual-mode communication method applied to a power grid system, comprising:

[0006] obtaining scene information of a communication scene in which a power device is located; the scene information comprises position information of a transmission path corresponding to the power device and a sending time of at least one power data; the power device communicates with a server through a dual-mode communication network on the transmission path; the dual-mode communication network comprises a high-speed power line carrier communication (HPLC) module, a high-frequency carrier communication (HRF) module, and a relay conversion module;

[0007] introducing the scene information into a preset impedance calibration model to determine a first operating parameter corresponding to the power device and a second operating parameter corresponding to the relay conversion module; the first operating parameter comprises carrier information used for transmitting the power data; and the second operating parameter comprises a carrier signal used for calibrating the power device in the dual-mode communication network transmission;

[0008] sending the first operating parameter to the power device, so that the power device sends a carrier signal used for transmitting the power data and matched with the first operating parameter at the sending time;

[0009] When the carrier signal is transmitted to the relay conversion module, the relay conversion module is controlled to perform signal processing on the carrier signal based on the second operating parameter, and the carrier signal after calibration is forwarded.

[0010] In a possible implementation of the first aspect, the importing the scene information into a preset impedance calibration model, determining the first operating parameter corresponding to the power equipment, and determining the second operating parameter corresponding to the relay conversion module, include:

[0011] determining a preceding communication module and a subsequent communication module corresponding to the relay conversion module; the preceding communication module is the HPLC module or the HRF module; the subsequent communication module is the HPLC module or the HRF module;

[0012] According to the scene information, a first environmental impedance corresponding to the preceding communication module and a second environmental impedance corresponding to the subsequent communication module are determined; the first environmental impedance is determined by collecting each sensor node in a first sensing network corresponding to the preceding communication module; the second environmental impedance is determined by collecting each sensor node in a second sensing network corresponding to the subsequent communication module;

[0013] According to the first environmental impedance and the second environmental impedance, a first calibration coefficient is obtained by importing into the impedance calibration model;

[0014] If the preceding communication module and the subsequent communication module are communication modules of different types, a second calibration coefficient is determined according to the signal conversion loss between the preceding communication module and the subsequent communication module; the second calibration coefficient is:

[0015]

[0016] Wherein, Crt2nd(i) is the second calibration coefficient corresponding to the i-th relay conversion module; TransU[front(i)-back(i)] is the amplitude difference between the first carrier amplitude of the preceding communication module of the i-th relay conversion module and the second carrier amplitude of the subsequent communication module; front(i) is the module type of the preceding communication module of the i-th relay conversion module; back(i) is the module type of the subsequent communication module of the relay conversion module; Weather[back(i)] is the weather calibration coefficient corresponding to the subsequent communication module of the i-th relay conversion module; Long[back(i)] is the length calibration coefficient corresponding to the subsequent communication module of the i-th relay conversion module; baseU is a preset reference amplitude;

[0017] The second operating parameter is obtained according to the first calibration coefficient and the second calibration coefficient.

[0018] If the pre-communication module and the post-communication module are communication modules of the same type, the second operating parameter is obtained according to the first calibration coefficient.

[0019] In a possible implementation of the first aspect, the importing the scene information into the preset impedance calibration model, determining the first operating parameter corresponding to the power equipment, and determining the second operating parameter corresponding to the relay conversion module comprises:

[0020] determining a target carrier waveform from a plurality of candidate carrier waveforms according to a type proportion of the communication modules included in the transmission path; the type proportion is specifically a ratio between a transmission path length of the HPLC module and a transmission path length of the HRF module on the transmission path;

[0021] determining a third environmental impedance corresponding to the transmission path through the impedance calibration model;

[0022] determining a target amplitude corresponding to the target carrier waveform according to an expected attenuation coefficient corresponding to the target carrier waveform on the transmission path and the third environmental impedance;

[0023] obtaining the first operating parameter according to the target carrier waveform and the target amplitude.

[0024] In a possible implementation of the first aspect, the impedance calibration model comprises a pipeline impedance calibration model and a wireless impedance calibration model.

[0025] Before the importing the scene information into the preset impedance calibration model, determining the first operating parameter corresponding to the power equipment, and determining the second operating parameter corresponding to the relay conversion module, the method further comprises:

[0026] determining a plurality of environmental impedance data of a position area corresponding to the third sensing network through each sensor node in a plurality of third sensing networks deployed on at least one of the transmission paths; each environmental impedance data corresponds to an acquisition time point;

[0027] generating an impedance time sequence distribution sequence corresponding to the position area based on the acquisition time point;

[0028] determining a first position area belonging to a pipeline type in all the position areas, and constructing the pipeline impedance calibration model based on an impedance time sequence distribution sequence corresponding to the first position area;

[0029] determining a second position area belonging to a wireless type in all the position areas, and constructing the wireless impedance calibration model based on an impedance time sequence distribution sequence corresponding to the second position area.

[0030] In a possible implementation manner of the first aspect, the determining, in all the location areas, a first location area belonging to a pipeline type, and constructing the pipeline impedance calibration model based on an impedance time sequence distribution sequence corresponding to the first location area, comprises:

[0031] According to a pipeline quantity corresponding to each of the first location areas and a preset line quantity interval, the first location areas are divided into a plurality of location area groups; the pipeline quantity corresponding to each of the first location areas in each of the location area groups belongs to the same line quantity interval;

[0032] According to the impedance time sequence distribution sequence corresponding to each of the first location areas in each of the location area groups, an impedance time sequence curve corresponding to the line quantity interval is established;

[0033] Based on the impedance time sequence curves corresponding to all the location area groups, a pipeline impedance calibration model suitable for different pipeline quantities is established.

[0034] In a possible implementation manner of the first aspect, the determining, in all the location areas, a second location area belonging to a wireless type, and constructing the wireless impedance calibration model based on an impedance time sequence distribution sequence corresponding to the second location area, comprises:

[0035] Determining a historical weather type and a historical geomagnetic intensity corresponding to each time on collecting the impedance time sequence distribution sequence for each of the second location areas;

[0036] Based on the historical weather type, a plurality of first impedance data are extracted from each of the impedance time sequence distribution sequences;

[0037] For any of the historical weather types, a first corresponding relationship between geomagnetic intensity and impedance is established based on a plurality of the first impedance data corresponding to the same historical weather type;

[0038] Based on the historical geomagnetic intensity, a plurality of second impedance data belonging to the same geomagnetic area are extracted from each of the impedance time sequence distribution sequences;

[0039] For any of the geomagnetic areas, a second corresponding relationship between weather type and impedance is established based on a plurality of the second impedance data corresponding to the same geomagnetic area;

[0040] Based on the first corresponding relationship corresponding to different historical weather types and the second corresponding relationship corresponding to different geomagnetic areas, the wireless impedance calibration model is generated.

[0041] In a possible implementation manner of the first aspect, the controlling, when the carrier signal is transmitted to the relay conversion module, the relay conversion module to perform signal processing on the carrier signal based on the second operation parameter and forwarding the carrier signal after calibration comprises:

[0042] According to the transmission time slot corresponding to each power device, the second operation parameter corresponding to the power device is used to perform signal processing on the carrier signal of the transmission time slot corresponding to the power device, and the carrier signal after calibration is forwarded.

[0043] In the second aspect, the embodiments of the present application provide a dual-mode communication device applied to a power grid system, and the device comprises:

[0044] a scene information acquisition unit configured to acquire scene information of a communication scene in which a power device is located; the scene information comprises position information of a transmission path corresponding to the power device and a sending time of at least one power data; the power device communicates with a server through a dual-mode communication network on the transmission path; the dual-mode communication network comprises a high-power line carrier (HPLC) module, a high-frequency carrier (HRF) module, and a relay conversion module;

[0045] an operation parameter determination unit configured to input the scene information into a preset impedance calibration model, determine a first operation parameter corresponding to the power device, and determine a second operation parameter corresponding to the relay conversion module; the first operation parameter comprises carrier information used for transmitting the power data; and the second operation parameter comprises a carrier signal used for calibrating the power device in the dual-mode communication network transmission;

[0046] a first parameter sending unit configured to send the first operation parameter to the power device, so that the power device sends, at the sending time, a carrier signal used for transmitting the power data and matched with the first operation parameter;

[0047] a second parameter sending unit configured to, when the carrier signal is transmitted to the relay conversion module, control the relay conversion module to perform signal processing on the carrier signal based on the second operation parameter and forward the carrier signal after calibration.

[0048] In the third aspect, the embodiments of the present application provide an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the method of any one of the above first aspect when executing the computer program.

[0049] In a fourth aspect, an embodiment of the present application provides a computer readable storage medium, which stores a computer program. The computer program is executed by a processor to implement the method in any one of the above first aspect.

[0050] In a fifth aspect, an embodiment of the present application provides a computer program product, which, when executed on a UAV, causes the UAV to perform the method in any one of the above first aspect.

[0051] Compared with the prior art, the embodiment of the present application has the beneficial effects that: by obtaining the scene information corresponding to the communication scene where the power equipment is located before transmitting the power data by using the power equipment, and determining the environmental impedance of the electronic equipment in the corresponding communication scene through the preset impedance calibration model, and setting the first operating parameter and the second operating parameter for reducing the influence of impedance, by controlling the power equipment to transmit the power data at the first operating parameter while controlling the relay conversion module to forward the carrier signal carrying the power data at the second operating parameter, the power data is transmitted through the dual-mode communication network constructed by the HPLC network and the high-speed radio frequency (HRF) network. Compared with the existing power transmission technology, the embodiment of the present application does not use a single HPLC network to transmit power data, but uses a dual-mode communication network to transmit power data, and adjusts the operating parameters through the impedance calibration model, so that the power equipment uses a carrier signal with higher anti-interference capability for transmission, and the signal is forwarded and calibrated, so that the stable and high-speed data transmission path can be provided for the power equipment, and the anti-interference capability of the power data can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0052] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0053] Figure 1 is a structural schematic diagram of a power grid communication system provided by an embodiment of the present application;

[0054] Figure 2 is an implementation schematic diagram of a dual-mode communication method applied to a power grid system provided by an embodiment of the present application;

[0055] Figure 3 is a processing schematic diagram of a carrier signal provided by an embodiment of the present application;

[0056] Figure 4 is a specific implementation flowchart of S202 in a dual-mode communication method applied to a power grid system according to a second embodiment of the present application;

[0057] Figure 5 is a structural schematic diagram of a first sensor network according to an embodiment of the present application;

[0058] Figure 6 is a structural schematic diagram of a first sensor network according to another embodiment of the present application;

[0059] Figure 7 is a specific implementation flowchart of S202 in a dual-mode communication method applied to a power grid system according to a third embodiment of the present application;

[0060] Figure 8 is a specific implementation flowchart before S202 in a dual-mode communication method applied to a power grid system according to a fourth embodiment of the present application;

[0061] Figure 9 is a specific implementation flowchart of S204 in a dual-mode communication method applied to a power grid system according to a fifth embodiment of the present application;

[0062] Figure 10 is a structural schematic diagram of a dual-mode communication device applied to a power grid system according to an embodiment of the present application;

[0063] Figure 11 is a structural schematic diagram of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0064] In the following description, specific details are set forth such as particular system configurations, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. However, persons skilled in the art will understand that the present application can be practiced without these specific details. In other instances, well-known structures, devices, circuits, and methods have not been described in detail in order to avoid obscuring the present application.

[0065] It should be understood that the term "comprising" as used in the specification and in the claims indicates the presence of the recited features, integers, steps, operations, elements, and / or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0066] In addition, in the description of the specification and the appended claims, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0067] The dual-mode communication method applied to the power grid system provided by the embodiment of the application can be applied to a power grid communication system. Exemplarily, Figure 1 A structural schematic diagram of a power grid communication system provided by an embodiment of the application is shown. Referring to Figure 1 The power grid communication system includes a plurality of power devices 11, a dual-mode communication network 12, and a service system 13. The power devices can include devices for collecting power data. The power data can be smart meters, smart water meters, charging piles, and the like. Correspondingly, the collected power data can be meter data, water meter data, and the like, which are generated by users in the process of daily work use. The data type and data content of the power data are not limited herein.

[0068] In some possible implementation manners, the dual-mode communication network includes an HPLC transmission network constructed based on an HPLC technology, an HRF transmission network constructed based on an HRF technology, and a dual-mode transmission network fusing the HPLC technology and the HRF.

[0069] The HPLC transmission network includes at least two first HPLC modules 121 and a first relay conversion module 122. The power devices can transmit the power data in the HPLC transmission network through carrier signals. The first HPLC module 121 can transmit the carrier signals to the first relay conversion module 122. The first relay conversion module 122 performs signal processing on the carrier signals and forwards the carrier signals to subsequent HPLC modules for transmission. Finally, the carrier signals carrying the power data are sent to the service system 13. The HPLC module can be a power line that can be used to transmit carrier signals.

[0070] The HRF transmission network includes at least two first HRF modules 123 and a second relay conversion module 124. The power devices can transmit the power data in the HRF transmission network through carrier signals. For example, the power devices send electrical signals carrying the power data to the first HRF module 123. The first HRF module 123 converts the electrical signals into wireless signals through an antenna and sends the wireless signals to the second relay conversion module 124. Then, the second relay conversion module 124 performs signal processing on the carrier signals and forwards the carrier signals to subsequent HRF modules for transmission through an antenna. Finally, the carrier signals carrying the power data are sent to the service system 13. The HPLC module can be a power line that can be used to transmit carrier signals.

[0071] The power equipment can be connected with the second HPLC module 125 or the second HRF module 126, and the specific connection can be determined according to the actual situation. Similar to the transmission of the two transmission networks, the power equipment can transmit power data through the carrier signal. Since the transmission network involves two different transmission technologies, that is, HPLC technology and HRF technology, the signal conversion between the two modules can be performed through the third relay conversion module 127, for example, from the electrical signal based on power line transmission to the wireless signal based on wireless transmission. The two signals can carry corresponding carrier signals to transmit the power data.

[0072] Compared with the existing power data transmission technology, the embodiment of the application does not use a single HPLC network to transmit power data, but uses a dual-mode communication network to transmit power data, and adjusts the operating parameters through the impedance calibration model to enable the power equipment to use a carrier signal with higher anti-interference capability for transmission, and to perform signal calibration when forwarding the signal, thereby being able to provide a stable and high-speed data transmission path for the power equipment while improving the anti-interference capability of the power data.

[0073] On the other hand, the dual-mode communication network includes multiple transmission networks of different types, which can be applied in different scenarios. For example, in a scenario where the pipeline distribution is sufficient, an HPLC transmission network can be used to implement power data transmission; in a scenario where there are complex terrains such as rivers, lakes, and valleys between regions that cannot deploy pipelines, an HRF transmission network or a dual-mode transmission network can be used to implement power data transmission, and the relay conversion module can implement signal transmission between the same type of communication module or different types of communication module, thereby improving the applicability of different scenarios, and thereby improving the application range of power data transmission, and meeting the transmission requirements in different scenarios.

[0074] Please refer to Figure 2 , Figure 2 An implementation schematic diagram of a dual-mode communication method applied to a power grid system is shown, which is applied to the service system 13, can also be applied to the power equipment 11, and can also be applied to the management equipment of the power grid system. The management equipment can communicate with the power equipment 11, the modules on the dual-mode communication network 12, and the service system 13. For example, the management equipment can be an electronic device such as a computer, a desktop computer, and a server. For ease of description, the subsequent execution subject is taken as an electronic device for illustration. Specifically, the method includes the following steps:

[0075] In S201, scene information of a communication scenario in which a power device is located is acquired; the scene information comprises position information of a transmission path corresponding to the power device and a sending time of at least one power data; the power device communicates with a server through a dual-mode communication network on the transmission path; the dual-mode communication network comprises a high-power line carrier (HPLC) module, a high radio frequency (HRF) module, and a relay conversion module.

[0076] In this embodiment, the power device can be distributed in multiple different positions for collecting relevant data of the corresponding positions. As described above, the power device can be a smart meter, a smart water meter, a smart gas meter, or the like. The device can be powered by a power line or other local power supply module. The power device can generate relevant data during use, and the power device can collect the data, generate corresponding power data, and send the power data to the service system according to a preset feedback period.

[0077] In some possible implementations, if the power device is powered by a power line, the communication module connected to the power device can be the HPLC module. The HPLC module is connected to the power device through the power line. The power device can convert the collected power data into a carrier signal and transmit an electric signal carrying the carrier signal through the power line.

[0078] In some possible implementations, if the power device is powered by a local power supply module, the power device converts the power data into a carrier signal through a local wireless communication module and sends the carrier signal to the HRF module through the wireless communication module.

[0079] In this embodiment, the scene information can be sent to the electronic device based on a preset feedback period or sent to the electronic device when the power device is first connected to the power grid system.

[0080] For example, the power device is a movable charging pile, that is, the installation position of the power device can be changed according to the use condition. In this scenario, the electronic device can send a corresponding information collection instruction to the power device. After receiving the information collection instruction, the power device can acquire corresponding scene information and send it to the electronic device.

[0081] Exemplarily, the power device is a household smart meter, and the smart meter is generally fixed after installation. In this case, the smart meter can actively send corresponding scene information to the electronic device in the case of first access to the power grid system. Subsequently, the electronic device can not need to collect the scene information of the smart meter again, and can also acquire the scene information of the electronic device based on the actual situation by sending an information collection instruction.

[0082] In this embodiment, the scene information can include a transmission path used by the power device to transmit power data, for example, a transmission path in the HPLC transmission network, a transmission path in the HRF transmission network, or a transmission path in the dual-mode transmission network. The transmission path can include the module identifiers of the modules involved in the transmission process. Exemplarily, the transmission path can be represented as: <HPLC021→Trans11→HRF011→HRF012>, that is, in the process of transmitting power data, the power device can first transmit through the HPLC module with the module identifier HPLC021, then perform signal processing through the relay conversion module with the module identifier Trans11, and send to the HRF communication module with the module identifier HRF011, and finally send to the server through the HRF communication module HRF012.

[0083] In this embodiment, the scene information can also include at least one transmission time of the power device for transmitting power data. Optionally, the transmission time can be a specific transmission time, such as January 2, 2025, 15:00, and can also include a corresponding transmission time slot. For example, when transmitting power data through HRF technology, the transmission time can include a corresponding time slot identifier, and the content of the transmission time can be set according to the actual situation.

[0084] In some implementations, the electronic device can store the scene information corresponding to each power device in a predetermined database. When a power device is needed to collect power data, the scene information corresponding to the power device can be extracted from the database according to the device identifier of the power device.

[0085] In some implementations, the power device can send a test signal to the server, and the server can determine the transmission path corresponding to the test signal according to the modules passed during the transmission of the test signal. The transmission path is taken as the transmission path corresponding to the power device, and the corresponding scene information is generated. Through the above-mentioned manner, the transmission path corresponding to different power devices can be dynamically acquired, thereby improving the accuracy of subsequent operation parameter determination.

[0086] In S202, the scenario information is imported into a preset impedance calibration model to determine the first operating parameters corresponding to the power equipment and the second operating parameters corresponding to the relay conversion module; the first operating parameters include carrier information for transmitting the power data; the second operating parameters include carrier signals for calibrating the power equipment's transmission in the dual-mode communication network.

[0087] In this embodiment, the electronic device can store an impedance calibration model, which is generated based on spatiotemporal relationships. That is, it can take into account the environmental impedance at different locations and times, so that the corresponding operating parameters can be obtained when the corresponding environmental impedance is determined. This can reduce message errors caused by environmental impedance during the transmission of power data by the power equipment, and improve the accuracy of data transmission and anti-interference capability.

[0088] In this embodiment, the electronic device can import the environmental information corresponding to the power equipment into the aforementioned impedance calibration model, and determine the matching first and second operating parameters through the environmental calibration model. Specifically, the first operating parameter is used to control the carrier information used by the power equipment when transmitting power data. For example, the carrier information may include carrier waveform, carrier frequency, and carrier amplitude, etc., which are carrier-related information. The second operating parameter is specifically used to control the operating parameters of the relay conversion module when forwarding signals. When converting signals, it may be necessary to filter the waveform; the second operating parameter may include the type of filter used and information such as signal amplification.

[0089] In some possible implementations, where the transmission path includes two or more relay conversion modules, the electronic device can determine the second operating parameters corresponding to each relay conversion module using the impedance calibration model described above. That is, the number of second operating parameters is consistent with the number of relay conversion modules included in the transmission path.

[0090] In some possible implementations, where the transmission path includes two or more relay conversion modules, the electronic device can generate a second operating parameter applicable to multiple relay conversion modules through an impedance calibration model. That is, the second operating parameters corresponding to multiple relay conversion modules are the same, thereby improving the uniformity of operation between devices.

[0091] In S203, the first operating parameters are sent to the power equipment so that the power equipment sends a carrier signal for transmitting the power data that matches the first operating parameters at the transmission time.

[0092] In the embodiment, the electronic device can send the determined first operation parameter to the power device. The power device can store the first operation parameter in a local storage unit after receiving the first operation parameter.

[0093] In some possible implementation manners, when the electronic device sends the first operation parameter to the power device, the electronic device can use the transmission path corresponding to the power device, and then generate a corresponding carrier signal according to the determined first operation parameter and the second operation parameter, and control each relay conversion module to operate according to the second operation parameter, so as to send the first operation parameter to the power device, and improve the accuracy of the first operation parameter.

[0094] In some possible implementation manners, the electronic device can encapsulate the first operation parameter according to a preset redundancy code, so as to obtain a calibration code data with strong anti-interference capability, and send the calibration code data to the power device. The power device can decode the calibration code data to obtain the first operation parameter.

[0095] In the embodiment, when the power device obtains the first operation parameter, the power device can generate a carrier signal for transmitting power data according to the first operation parameter when the power device needs to send power data, and transmit the power data carrying the carrier signal through the transmission path.

[0096] In S204, when the carrier signal is transmitted to the relay conversion module, the relay conversion module is controlled to perform signal processing on the carrier signal based on the second operation parameter, and forward the calibrated carrier signal.

[0097] In the embodiment, the electronic device can also send the second operation parameter to the relay conversion module. Optionally, the second operation parameter also carries a sending time corresponding to the carrier signal sent by the power device. The relay conversion module can set the operation parameter to the second operation parameter, and when the power device sends the carrier signal carrying the power data to the relay conversion module, the relay conversion module can perform signal processing on the carrier signal, and identify the processed carrier signal as the calibrated carrier signal.

[0098] Exemplarily, Figure 3 A processing schematic diagram of the carrier signal is shown in an embodiment of the application. Referring to FIG. 4, the processing schematic diagram of the carrier signal is shown. Figure 3As shown, the power device can generate a first carrier signal 31 according to the first operating parameter, wherein the carrier waveform, frequency and amplitude of the first carrier signal 31 are determined based on the first operating parameter. The first carrier signal 31 can be transmitted through the HPLC module. Due to transmission on the power line, the first carrier signal 31 will be attenuated and interfered, and the corresponding signal transmitted to the relay conversion module is the second carrier signal 32. The relay conversion module can perform signal processing on the received second carrier signal 32, such as filtering and amplification, to obtain a third carrier signal 33, and transmit the third carrier signal 33 through the HRF module. In this way, the above process is repeated.

[0099] As can be seen from the above, the dual-mode communication method applied to the power grid system provided by the embodiments of the present application can obtain the scene information corresponding to the communication scene where the power device is located before transmitting the power data using the power device, determine the environmental impedance of the electronic device in the corresponding communication scene through the preset impedance calibration model, and set the first operating parameter and the second operating parameter for reducing the influence of impedance. By controlling the power device to transmit the power data with the first operating parameter and controlling the relay conversion module to forward the carrier signal carrying the power data with the second operating parameter, the power data is transmitted through the dual-mode communication network constructed by the HPLC network and the high-speed radio frequency (HRF) network. Compared with the existing power transmission technology, the embodiments of the present application do not use a single HPLC network to transmit power data, but use a dual-mode communication network to transmit power data, and adjust the operating parameters through the impedance calibration model, so that the power device uses a carrier signal with higher anti-interference capability for transmission, and the signal is calibrated when being forwarded, so that the stable and high-speed data transmission path can be provided for the power device while the anti-interference capability of the power data is improved.

[0100] Figure 4 A specific implementation flowchart of S202 in the dual-mode communication method applied to the power grid system provided by the second embodiment of the present application is shown. Referring to Figure 4 As shown, compared with Figure 2 Compared with the embodiments of the present application, the dual-mode communication method applied to the power grid system provided by the embodiments of the present application includes S2021-S2026, and the specific description is as follows:

[0101] In S2021, the pre-communication module and the post-communication module corresponding to the relay conversion module are determined; the pre-communication module is the HPLC module or the HRF module; and the post-communication module is the HPLC module or the HRF module.

[0102] In this embodiment, the relay conversion module can be used to bridge the same type of communication module, and can also be used to bridge different types of communication modules. The electronic device can adopt a conversion mode of the running parameter corresponding to the actual bridging situation.

[0103] In some possible implementation manners, the electronic device can obtain a network topology graph of a dual-mode communication network, mark the relay conversion module on the network topology graph, and then determine two communication modules connected by the relay conversion module, i.e., the preceding communication module and the subsequent communication module. The preceding communication module is a communication module that sends a carrier signal to the relay conversion module, and the subsequent communication module is a communication module to which the relay conversion module sends a carrier signal.

[0104] In S2022, according to the scene information, a first environmental impedance corresponding to the preceding communication module and a second environmental impedance corresponding to the subsequent communication module are determined; the first environmental impedance is determined by collecting each sensor node in a first sensing network corresponding to the preceding communication module; and the second environmental impedance is determined by collecting each sensor node in a second sensing network corresponding to the subsequent communication module.

[0105] In this embodiment, the electronic device can determine the position of the preceding communication module according to the scene information, and collect a plurality of sensing values fed back by the first sensing network corresponding to the position. Each sensing value is obtained by a sensor node in the first sensing network. The electronic device can determine the first environmental impedance corresponding to the first sensing network according to the plurality of sensing values in the first sensing network.

[0106] Exemplarily, Figure 5 A structure diagram of the first sensing network is shown. Referring to FIG. 5, Figure 5 As shown in the figure, the preceding communication module is an HPLC module. The carrier signal is transmitted through a pipeline. Based on this, at least one sensor node, such as the first node 51, can be deployed inside the pipeline, at least one sensor node, such as the second node 52, can be deployed outside the pipeline, one sensor node, such as the third node 53, can be deployed at the sending port, and one sensor node, such as the fourth node 54, can be deployed at the receiving port. A plurality of sensor nodes can constitute a first sensing network. The impedance value is collected by the plurality of sensor nodes, so that the first environmental impedance corresponding to the preceding communication module can be obtained.

[0107] Exemplarily, Figure 6 A structure diagram of the first sensing network is shown. Referring to FIG. 5, Figure 6As shown, the pre-communication module is specifically an HRF module, and when transmitting a carrier signal through the module, it is transmitted wirelessly, i.e., through the air. However, transmission through the air can be interfered by geomagnetic signals and other signal tower interference. Based on this, the first sensor network can deploy at least one sensor node, such as the sixth node 61, at the sending antenna, and can also deploy at least one sensor node, such as the seventh node 62, at the antenna in the direction of the associated signal tower. The corresponding geomagnetic intensity and signal strength are collected by multiple sensor nodes, which can form a first sensor network, so that the corresponding impedance value in this scenario, i.e., the first environmental impedance, can be obtained.

[0108] Similarly, the second sensor network can also obtain the second environmental impedance in the above manner. For specific descriptions, please refer to the above description, which will not be repeated here.

[0109] In S2023, according to the first environmental impedance and the second environmental impedance, a first calibration coefficient is obtained by introducing the impedance calibration model.

[0110] In this embodiment, the electronic device can introduce the determined environmental impedance between the two communication modules when the relay conversion module transmits into the preset impedance calibration module, and can obtain a first calibration coefficient for reducing interference caused by the transmission process. For example, by using a certain frequency band to transmit a carrier signal, the interference can be reduced, or by adjusting the amplitude to reduce the noise influence, etc. The impedance calibration module can output the corresponding first calibration coefficient according to the introduced first environmental impedance and second environmental impedance. The first calibration coefficient can include an adjustment amplitude for the frequency band and an adjustment amplitude for the signal strength. The specific type of the first calibration parameter can be determined according to the actual situation.

[0111] In the case where the pre-communication module and the post-communication module are communication modules of the same type, the transmission interference caused by module type conversion does not need to be considered, and the operation of S2026 can be performed. In the case where the pre-communication module and the post-communication module are communication modules of different types, the transmission interference caused by module type conversion needs to be considered, and the operations of S2024 and S2025 can be performed. For example, if the pre-communication module and the post-communication module are both HPLC modules, the operation of S2026 can be performed. If the pre-communication module is an HPLC module and the post-communication module is an HRF module, the operations of S2024 and S2025 can be performed.

[0112] In S2024, if the pre-communication module and the post-communication module are communication modules of different types, a second calibration coefficient is determined according to the signal conversion loss between the pre-communication module and the post-communication module. The second calibration coefficient is:

[0113]

[0114] Wherein, Crt2nd(i) is the second calibration coefficient corresponding to the i-th relay conversion module; TransU[front(i)-back(i)] is the amplitude difference value between the first carrier amplitude of the front communication module of the i-th relay conversion module and the second carrier amplitude of the back communication module; front(i) is the module type of the front communication module of the i-th relay conversion module; back(i) is the module type of the back communication module of the relay conversion module; Weather[back(i)] is the weather calibration coefficient corresponding to the back communication module of the i-th relay conversion module; Long[back(i)] is the length calibration coefficient corresponding to the back communication module of the i-th relay conversion module; baseU is a preset reference amplitude.

[0115] In the embodiment, when the back communication module is HRF, the transmission process of the carrier signal through the HRF module for subsequent transmission is easily interfered by electromagnetic interference and other wireless signals, and the environmental impedance difference exists due to different weather, for example, in a thunderstorm, the influence of environmental impedance will increase, while in sunny weather, the influence of environmental impedance is smaller. Based on this, the electronic device sets the weather calibration coefficient corresponding to the different weather types, that is, Weather[back(i)], which can be determined by collecting the corresponding impedance data in different weather scenarios. The electronic device can determine the corresponding amplitude adjustment ratio according to the amplitude difference value between the transmission of different communication modules and the ratio between the preset reference amplitude, and on the basis of the above amplitude adjustment ratio, the weather calibration coefficient corresponding to the back communication module is weighted to obtain the second calibration coefficient, that is, the first branch of the above formula.

[0116] In some possible implementation manners, the electronic device can query the corresponding weather prediction information according to the sending time of the power equipment, so as to determine the corresponding weather type when the power equipment transmits through the back communication module, and then obtain the corresponding weather calibration coefficient.

[0117] In this embodiment, for the case that the subsequent communication module is an HPLC module, the farther the carrier signal propagates in the pipeline, the greater the influence of the corresponding environmental impedance. Based on this, the electronic device can determine a length calibration coefficient corresponding to the subsequent communication module according to the pipeline length corresponding to the subsequent communication module, wherein the longer the pipeline length, the greater the value of the corresponding length calibration coefficient; conversely, the shorter the pipeline length, the smaller the value of the corresponding length calibration coefficient. The electronic device can perform weighted calculation according to the length calibration coefficient corresponding to the subsequent communication module and the amplitude adjustment ratio to obtain a second calibration coefficient, that is, the second branch of the above formula.

[0118] In S2025, the second operating parameter is obtained according to the first calibration coefficient and the second calibration coefficient.

[0119] In this embodiment, the electronic device can determine a second operating parameter for processing the carrier signal according to the first calibration coefficient and the second calibration coefficient. If the calibration items contained in the first calibration coefficient and the calibration items contained in the second calibration coefficient have the same items, for example, the coefficient for calibrating the signal strength (i.e., signal amplitude) of the carrier signal, the calibration coefficient corresponding to the signal strength can be obtained based on the above two calibration coefficients as the second operating parameter. For example, the amplitude calibration rate of the signal strength in the first calibration coefficient is 50%, and the amplitude calibration rate of the signal strength in the second calibration coefficient is 10%, and the corresponding amplitude calibration rate in the second operating parameter is 60%. If the calibration items contained in the first calibration coefficient and the calibration items contained in the second calibration coefficient have different items, item merging can be performed to make the second operating parameter contain all calibration items in the first calibration coefficient and the second calibration coefficient.

[0120] In S2026, if the previous communication module and the subsequent communication module are communication modules of the same type, the second operating parameter is obtained according to the first calibration coefficient.

[0121] In this embodiment, the electronic device can recognize the calculated first calibration coefficient as the second operating parameter, or process the first calibration coefficient based on a preset parameter conversion function to obtain the second operating parameter.

[0122] In the embodiments of the present application, different ways are used to calculate the corresponding operating parameters according to the types of the communication modules before and after the relay conversion module, so as to improve the accuracy of the operating parameter determination, and then improve the accuracy of the subsequent signal transmission process.

[0123] Figure 7A specific implementation flowchart of S202 in the dual-mode communication method applied to the power grid system provided in the third embodiment of the application is shown. Referring to Figure 7 As shown, relative to Figure 2 The embodiment, the dual-mode communication method applied to the power grid system provided in the embodiment of the application includes S701-S704 in S202, and the specific description is as follows:

[0124] In S701, a target carrier waveform is determined from a plurality of candidate carrier waveforms according to a type proportion of a communication module included in the transmission path; the type proportion is specifically a ratio between a transmission path length of the HPLC module and a transmission path length of the HRF module on the transmission path.

[0125] In the embodiment, the electronic device can determine the transmission path used by the power device to transmit power data, and judge whether power line transmission or wireless transmission is used on the transmission path. Since the anti-interference ability of different carrier waveforms is different in different scenarios, the electronic device can determine the target carrier waveform matched according to the proportion of different types of transmission paths.

[0126] In the embodiment, the electronic device can determine the corresponding transmission path length when transmitting through the HPLC module according to the HPLC module deployed on the transmission path, and can also determine the corresponding transmission path length when transmitting through the HRF module according to the HRF module deployed on the transmission path. According to the ratio between the transmission path lengths of the two types, the type proportion can be obtained.

[0127] In S702, a third environmental impedance corresponding to the transmission path is determined through the impedance calibration model.

[0128] In the embodiment, the electronic device can import the transmission path into the impedance calibration model, so as to determine the expected impedance corresponding to the signal transmission through the transmission path, that is, the third environmental impedance. The third environmental impedance can be determined by the impedance data collected by the sensor nodes corresponding to each sensing network on the transmission path.

[0129] In S703, a target amplitude corresponding to the target carrier waveform is determined according to an expected attenuation coefficient of the target carrier waveform on the transmission path and the third environmental impedance.

[0130] In the embodiment, the electronic device can determine the expected attenuation coefficient of the target carrier waveform in the transmission process on the transmission path. The expected attenuation coefficient can be determined by the signal strength of the historical transmission, or can be determined by simulating the transmission in the simulation scenario.

[0131] In this embodiment, the electronic device can determine the corresponding target amplitude on the transmission path according to the expected attenuation coefficient and the third environmental impedance, which is the amplitude corresponding to the carrier signal transmitted by the power device.

[0132] In S704, the first operation parameter is obtained according to the target carrier waveform and the target amplitude.

[0133] In this embodiment, the electronic device can encapsulate the two type parameters determined above to obtain the first operation parameter, that is, the target carrier waveform used to determine the transmission of power data and the target amplitude corresponding to the waveform.

[0134] In this embodiment, the electronic device can select a suitable carrier waveform according to the length of the transmission path under different types of communication modules, and determine the target amplitude matched thereto, thereby improving the accuracy of the carrier signal transmission process.

[0135] Figure 8 A specific implementation flowchart before S202 in the dual-mode communication method applied to the power grid system provided by the fourth embodiment of the present application is shown. Referring to Figure 8 As shown, compared with Figures 2 to 7 Any one of the embodiments, before S202 in the dual-mode communication method applied to the power grid system provided by the fourth embodiment of the present application, further includes S801-S804, which are specifically described as follows:

[0136] The impedance calibration model includes a pipeline impedance calibration model and a wireless impedance calibration model.

[0137] Before the scene information is introduced into the preset impedance calibration model to determine the first operation parameter corresponding to the power device and determine the second operation parameter corresponding to the relay conversion module, further comprising:

[0138] In S801, a plurality of environmental impedance data corresponding to a position area of the third sensor network are determined by each sensor node in the plurality of third sensor networks deployed on the transmission path; each environmental impedance data corresponds to an acquisition time.

[0139] In this embodiment, the electronic device can obtain environmental impedance data corresponding to different positions of the transmission path through a plurality of sensor networks deployed on the transmission path, for example, a sensor network is deployed at the HPLC module and another sensor network is deployed at the relay conversion module. Based on the environmental impedance data collected at different positions, the impedance variation of the transmission path in the spatial distribution dimension can be determined.

[0140] In some possible implementation manners, the third sensing network includes the first sensing network and / or the second sensing network. For example, the transmission path relay conversion module is included in the above description, and the third sensing network can be the sensing network of the preceding communication module, that is, the first sensing network, or the sensing network of the subsequent communication module, that is, the second sensing network.

[0141] In S802, based on the collection time, an impedance time sequence distribution sequence corresponding to the position area is generated.

[0142] In this embodiment, the electronic device can arrange the environment impedance data collected by the third sensing network in the same position area at different collection times in chronological order, so as to establish the impedance time sequence distribution sequence.

[0143] In S803, a first position area belonging to a pipeline type is determined in all the position areas, and a pipeline impedance calibration model is constructed based on the impedance time sequence distribution sequence corresponding to the first position area.

[0144] In this embodiment, the electronic device can select a first position area belonging to a pipeline type from all the position areas, that is, a position area deployed on the transmission path of the HPLC module, and determine the space-time influence of impedance data in different positions (that is, different pipelines) according to the time sequence distribution sequence corresponding to all the first position areas, so as to construct a corresponding pipeline impedance calibration model. The number and density of power lines in different pipelines corresponding to different positions are different, so there is crosstalk when different power lines transmit data, so the corresponding relationship between the crosstalk condition and the number of power lines can be determined, and then the pipeline impedance calibration model can be obtained.

[0145] Further, as another embodiment of the present application, S803 can specifically include the following steps:

[0146] In S803.1, the first position areas are divided into a plurality of position area groups according to the number of pipelines corresponding to each of the first position areas and a preset line quantity interval, and the number of pipelines corresponding to the first position areas in each position area group belongs to the same line quantity interval.

[0147] In this embodiment, the electronic device can also divide all the first position areas into a plurality of position area groups according to the different number of lines in the pipelines, and the number of pipelines corresponding to the position areas in the same area data group belongs to the same line quantity interval, so as to determine the corresponding relationship between the crosstalk condition and the number of power lines.

[0148] For example, the number of pipelines corresponding to position A is 10, the number of pipelines corresponding to position B is 20, and the number of pipelines corresponding to position C is 15. The line number intervals are [0-10] and [11-20]. Therefore, position A belongs to one position area group, and positions B and C belong to another position area group.

[0149] In S803.2, impedance time sequence curves corresponding to the line number intervals are established according to the impedance time sequence distribution sequences of each first position area in each position area group.

[0150] In S803.3, a pipeline impedance calibration model suitable for different pipeline numbers is established based on the impedance time sequence curves corresponding to all the position area groups.

[0151] In this embodiment, the electronic device can establish multiple impedance change curves on the same coordinate system according to all the impedance time sequence distribution sequences in the same line number interval, and then perform curve fitting on the multiple impedance change curves, so as to determine the impedance time sequence curve corresponding to the same line number interval. Based on the impedance time sequence curves of different line number intervals (i.e., different position area groups), the relationship between the change of the number of lines in the pipeline and the change of impedance can be determined, so as to obtain the pipeline impedance calibration model.

[0152] In this embodiment, the electronic device groups the pipeline time sequence curves of different positions according to the number of lines, so as to obtain multiple impedance time sequence curves belonging to different line number intervals, and then constructs a corresponding pipeline impedance calibration model, thereby improving the accuracy of the model.

[0153] In S804, a second position area belonging to a wireless type is determined in all the position areas, and the wireless impedance calibration model is constructed based on the impedance time sequence distribution sequence corresponding to the second position area.

[0154] In this embodiment, the electronic device can determine the positions that are transmitted by wireless transmission from all the position areas, i.e., the second position area. The second position area can be a position transmitted by the HRF module, and the position area can be an antenna position corresponding to the HRF module, or an antenna position for receiving a carrier signal.

[0155] In this embodiment, the electronic device can perform sequence analysis on the impedance time sequence distribution sequences of multiple different second position areas, so as to determine the corresponding relationship between different wireless transmission environments and impedance in different wireless transmission scenarios, thereby constructing a corresponding wireless impedance calibration model.

[0156] Further, as another embodiment of the present application, S804 can specifically include:

[0157] In S804.1, a history weather type and a history geomagnetic intensity corresponding to each of the second position areas at each time when the impedance time series distribution sequence is collected are determined.

[0158] In the embodiment, the wireless transmission environment can include geomagnetic intensity and weather type, and the change relationship between impedance and environment can be respectively determined for the two dimensions, i.e., impedance change under different geomagnetic intensity and impedance change under different weather.

[0159] In S804.2, a plurality of first impedance data are extracted from each of the impedance time series distribution sequences based on the history weather type.

[0160] In the embodiment, the electronic device can extract a plurality of first impedance data of the same history weather type from each of the impedance time series distribution sequences as the plurality of first impedance data corresponding to the history weather type. For example, impedance data of a sunny day type is extracted from all the impedance time series distribution sequences, so that a plurality of first impedance data of the sunny day type can be obtained, and similarly, a plurality of first impedance data of a thunderstorm type can be obtained, and so on.

[0161] In S804.3, for any of the history weather types, a first corresponding relationship between geomagnetic intensity and impedance is established based on the plurality of first impedance data corresponding to the same history weather type.

[0162] In the embodiment, the plurality of first impedance data corresponding to the history weather type can be used to determine the influence of geomagnetic intensity on impedance under the same control of weather, i.e., the relationship between different geomagnetic intensity and environmental impedance under the same weather, so that the first corresponding relationship between the geomagnetic intensity and the impedance can be obtained.

[0163] The number of the first corresponding relationship is the same as the number of the history weather type, for example, the first corresponding relationship between the geomagnetic intensity and the impedance can be determined based on the first impedance data of the sunny day type, and the first corresponding relationship between the geomagnetic intensity and the impedance can also be determined based on the first impedance data of the thunderstorm type.

[0164] In S804.4, a plurality of second impedance data belonging to the same geomagnetic region are extracted from each of the impedance time series distribution sequences based on the history geomagnetic intensity.

[0165] In S804.5, for any of the geomagnetic regions, a second corresponding relationship between weather type and impedance is established based on the plurality of second impedance data corresponding to the same geomagnetic region.

[0166] In this embodiment, the electronic device can also extract a plurality of second impedance data of the same geomagnetic region from a plurality of impedance time series distribution sequences based on historical geomagnetic intensity, so as to determine the influence of different weather types on impedance while ensuring that the geomagnetic data is basically the same, that is, to obtain a second correspondence relationship between the weather type and the impedance.

[0167] The number of the second correspondence relationship is the same as the number of the geomagnetic region.

[0168] In S804.6, the wireless impedance calibration model is generated based on the first correspondence relationship corresponding to different historical weather types and the second correspondence relationship corresponding to different geomagnetic regions.

[0169] In this embodiment, the electronic device can determine the correlation between impedance and weather and the correlation between impedance and geomagnetic intensity by statistical analysis according to the two different correspondence relationships, so as to obtain a wireless impedance calibration model corresponding to wireless transmission in different weather and different geomagnetic intensity.

[0170] In the embodiments of the present application, the corresponding correspondence relationship is established in different dimensions, which can improve the accuracy of the wireless impedance calibration model.

[0171] Figure 9 A specific implementation flowchart of S204 in a dual-mode communication method applied to a power grid system provided by the fifth embodiment of the present application is shown. Referring to Figure 9 As shown, compared with Figures 2 to 7 According to any one of the embodiments, the S204 of the dual-mode communication method applied to the power grid system provided by the embodiments of the present application further includes S2041, which is specifically described as follows:

[0172] In S2041, according to the transmission time slot corresponding to each of the power devices, the second operating parameter corresponding to the power device is used to perform signal processing on the carrier signal of the transmission time slot corresponding to the power device, and the calibrated carrier signal is forwarded.

[0173] In this embodiment, the transmission time slots used by the power data transmitted by different power devices can be different, that is, the power data of different power devices can be transmitted in time on the transmission path, so as to improve the transmission utilization rate. Based on this, when the relay conversion module performs signal processing, the operating parameters can also be adjusted in time, so as to make the operating parameters under the corresponding time slot match the carrier signal of the power data transmitted in the time slot, thereby improving the accuracy of calibration.

[0174] In this embodiment, Figure 10A structural block diagram of a dual-mode communication device applied to a power grid system is shown, and the dual-mode communication device applied to the power grid system comprises units for executing Figure 2 The steps implemented by the first device in the corresponding embodiment. For details, please refer to Figure 2 The relevant description in the corresponding embodiment. For the sake of illustration, only the part related to the present embodiment is shown. Figure 2 The relevant description in the corresponding embodiment. For the sake of illustration, only the part related to the present embodiment is shown.

[0175] For details, please refer to Figure 10 The dual-mode communication device applied to the power grid system comprises:

[0176] A scene information acquisition unit 1001 is configured to acquire scene information of a communication scene where a power device is located. The scene information comprises position information of a transmission path corresponding to the power device and a sending time of at least one power data. The power device communicates with a server through a dual-mode communication network on the transmission path. The dual-mode communication network comprises a high-power line carrier (HPLC) module, a high-frequency carrier (HRF) module, and a relay conversion module.

[0177] A running parameter determination unit 1002 is configured to input the scene information into a preset impedance calibration model, determine a first running parameter corresponding to the power device, and determine a second running parameter corresponding to the relay conversion module. The first running parameter comprises carrier information used for transmitting the power data. The second running parameter comprises a carrier signal used for calibrating the power device in the dual-mode communication network transmission.

[0178] A first parameter sending unit 1003 is configured to send the first running parameter to the power device, so that the power device sends a carrier signal used for transmitting the power data at the sending time and matching the first running parameter.

[0179] A second parameter sending unit 1004 is configured to control the relay conversion module to perform signal processing on the carrier signal based on the second running parameter when the carrier signal is transmitted to the relay conversion module, and forward the calibrated carrier signal.

[0180] It should be understood that Figure 10 The structural block diagram of the device is shown, and each module is configured to execute Figures 2 to 9 The steps in the corresponding embodiment, and for Figures 2 to 9 The steps in the corresponding embodiment have been explained in detail in the above embodiments, and for details, please refer to Figures 2 to 9 and Figures 2 to 9 The relevant description in the corresponding embodiment, which will not be repeated here.

[0181] Figure 11This is a structural block diagram of an electronic device provided in another embodiment of this application. For example... Figure 11 The electronic device 1100 of this embodiment includes a processor 1110, a memory 1120, and a computer program 1130 stored in the memory 1120 and executable on the processor 1110, such as a program for a dual-mode communication method applied to a power grid system. When the processor 1110 executes the computer program 1130, it implements the steps in the various embodiments of the dual-mode communication method applied to a power grid system described above, for example... Figure 2 S201 to S204 are described above. Alternatively, the processor 1110 may implement the above when executing the computer program 1130. Figure 9 The functions of each module in the corresponding embodiments, for example, Figure 10 For details regarding the functions of units 1001 to 1004, please refer to [link / reference needed]. Figure 9 The relevant descriptions in the corresponding embodiments.

[0182] For example, computer program 1130 may be divided into one or more modules, one or more of which are stored in memory 1120 and executed by processor 1110 to complete this application. One or more modules may be a series of computer program instruction segments capable of performing specific functions, which describe the execution process of computer program 1130 in electronic device 1100. For example, computer program 1130 may be divided into various unit modules, each with the specific functions described above.

[0183] Electronic device 1100 may include, but is not limited to, processor 1110 and memory 1120. Those skilled in the art will understand that... Figure 11 This is merely an example of electronic device 1100 and does not constitute a limitation on electronic device 1100. It may include more or fewer components than shown, or combine certain components, or different components. For example, electronic device may also include input / output devices, network access devices, buses, etc.

[0184] The processor 1110 may be a central processing unit, or it may be other general-purpose processors, digital signal processors, application-specific integrated circuits, off-the-shelf programmable gate arrays or other programmable logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor.

[0185] The memory 1120 can be an internal storage unit of the electronic device 1100, such as a hard disk or memory of the electronic device 1100. The memory 1120 can also be an external storage device of the electronic device 1100, such as a plug-in hard disk, smart memory card, flash memory card, etc. equipped on the electronic device 1100. Furthermore, the memory 1120 can include both internal storage units and external storage devices of the electronic device 1100.

[0186] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A dual-mode communication method applied to a power grid system, characterized in that, include: Obtain scene information of the communication scenario where the power equipment is located; The scenario information includes the location information of the transmission path corresponding to the power equipment and the transmission time of at least one power data; The power equipment communicates with the server through a dual-mode communication network on the transmission path; the dual-mode communication network includes a power line carrier communication (HPLC) module, a high-frequency carrier communication (HRF) module, and a relay conversion module. The scenario information is imported into a preset impedance calibration model to determine the first operating parameters corresponding to the power equipment and the second operating parameters corresponding to the relay conversion module; the first operating parameters include carrier information for transmitting the power data; the second operating parameters include carrier signals for calibrating the power equipment's transmission in the dual-mode communication network. The first operating parameters are sent to the power equipment so that the power equipment sends a carrier signal for transmitting the power data that matches the first operating parameters at the transmission time; When the carrier signal is transmitted to the relay conversion module, the relay conversion module is controlled to perform signal processing on the carrier signal based on the second operating parameters and forward the calibrated carrier signal.

2. The method according to claim 1, characterized in that, The step of importing the scenario information into a preset impedance calibration model to determine the first operating parameters corresponding to the power equipment and the second operating parameters corresponding to the relay conversion module includes: The preceding and following communication modules corresponding to the relay conversion module are determined; the preceding communication module is the HPLC module or the HRF module; the following communication module is the HPLC module or the HRF module. Based on the scenario information, the first environmental impedance corresponding to the preceding communication module and the second environmental impedance corresponding to the following communication module are determined; the first environmental impedance is determined by the data collected by each sensor node in the first sensor network corresponding to the preceding communication module; the second environmental impedance is determined by the data collected by each sensor node in the second sensor network corresponding to the following communication module. Based on the first environmental impedance and the second environmental impedance, the first calibration coefficient is obtained by importing them into the impedance calibration model. If the preceding communication module and the following communication module are communication modules of different types, then a second calibration coefficient is determined based on the signal conversion loss between the preceding and following communication modules; the second calibration coefficient is: Wherein, Crt2nd(i) is the second calibration coefficient corresponding to the i-th relay conversion module; TransU[front(i)-back(i)] is the amplitude difference between the first carrier amplitude of the preceding communication module and the second carrier amplitude of the following communication module of the i-th relay conversion module; front(i) is the module type of the preceding communication module of the i-th relay conversion module; back(i) is the module type of the following communication module of the relay conversion module; Weather[back(i)] is the weather calibration coefficient corresponding to the following communication module of the i-th relay conversion module; Long[back(i)] is the length calibration coefficient corresponding to the following communication module of the i-th relay conversion module; baseU is the preset reference amplitude; The second operating parameters are obtained based on the first calibration coefficient and the second calibration coefficient; If the preceding communication module and the following communication module are communication modules of the same type, then the second operating parameters are obtained according to the first calibration coefficient.

3. The method according to claim 1, characterized in that, The step of importing the scenario information into a preset impedance calibration model to determine the first operating parameters corresponding to the power equipment and the second operating parameters corresponding to the relay conversion module includes: The target carrier waveform is determined from multiple candidate carrier waveforms based on the type proportion of the communication modules included in the transmission path; the type proportion is specifically the ratio between the transmission path length of the HPLC module and the transmission path length of the HRF module in the transmission path. The third environmental impedance corresponding to the transmission path is determined using the impedance calibration model. The target amplitude of the target carrier waveform is determined based on the expected attenuation coefficient of the target carrier waveform on the transmission path and the third environmental impedance. The first operating parameters are obtained based on the target carrier waveform and the target amplitude.

4. The method according to any one of claims 1-3, characterized in that, The impedance calibration model includes: pipeline impedance calibration model and wireless impedance calibration model; Before importing the scenario information into a preset impedance calibration model to determine the first operating parameters corresponding to the power equipment and the second operating parameters corresponding to the relay conversion module, the method further includes: Multiple environmental impedance data points for the corresponding location area of ​​the third sensor network are determined by each sensor node within a plurality of third sensor networks deployed along at least one of the transmission paths; each environmental impedance data point corresponds to a sampling time. Based on the acquisition time, an impedance time-series distribution sequence corresponding to the location region is generated; In all the location regions, a first location region belonging to the pipeline type is determined, and the pipeline impedance calibration model is constructed based on the impedance time series distribution sequence corresponding to the first location region. A second location region belonging to the wireless type is determined in all the location regions, and the wireless impedance calibration model is constructed based on the impedance time sequence distribution corresponding to the second location region.

5. The method according to claim 4, characterized in that, The step of determining a first location region belonging to the pipeline type among all the location regions, and constructing the pipeline impedance calibration model based on the impedance time series distribution sequence corresponding to the first location region, includes: Based on the number of pipelines corresponding to each first location area and a preset range of line numbers, the first location area is divided into multiple location area groups; the number of pipelines corresponding to the first location area within each location area group belongs to the same range of line numbers. Based on the impedance timing distribution sequence corresponding to each of the first location regions in each location region group, an impedance timing curve corresponding to the number of lines is established; Based on the impedance timing curves corresponding to all the aforementioned location regions, a pipeline impedance calibration model suitable for different numbers of pipelines is established.

6. The method according to claim 4, characterized in that, The step of determining a second location region belonging to the wireless type among all the location regions, and constructing the wireless impedance calibration model based on the impedance time-series distribution sequence corresponding to the second location region, includes: Determine the historical weather type and historical geomagnetic intensity for each of the second location regions at each moment in the impedance time-series distribution sequence; Based on the historical weather types, multiple first impedance data are extracted from each of the impedance time-series distribution sequences; For any of the historical weather types, a first correspondence between geomagnetic intensity and impedance is established based on multiple first impedance data corresponding to the same historical weather type. Based on the historical geomagnetic intensity, multiple second impedance data belonging to the same geomagnetic region are extracted from each of the impedance time series distribution sequences. For any of the geomagnetic regions, a second correspondence between weather type and impedance is established based on multiple second impedance data corresponding to the same geomagnetic region. The wireless impedance calibration model is generated based on the first correspondence for different historical weather types and the second correspondence for different geomagnetic regions.

7. The method according to any one of claims 1-3, characterized in that, When the carrier signal is transmitted to the relay conversion module, controlling the relay conversion module to perform signal processing on the carrier signal based on the second operating parameters and forwarding the calibrated carrier signal includes: Based on the transmission time slot corresponding to each of the power devices, the carrier signal of the transmission time slot corresponding to the power device is processed using the second operating parameters corresponding to the power device, and the calibrated carrier signal is forwarded.

8. A dual-mode communication device for use in power grid systems, characterized in that, include: Scene information acquisition unit, used to acquire scene information of the communication scene where the power equipment is located; The scenario information includes the location information of the transmission path corresponding to the power equipment and the transmission time of at least one power data; the power equipment communicates with the server through a dual-mode communication network on the transmission path; the dual-mode communication network includes a power line carrier communication (HPLC) module, a high-frequency carrier communication (HRF) module, and a relay conversion module; The operating parameter determination unit is used to import the scenario information into a preset impedance calibration model, determine the first operating parameters corresponding to the power equipment, and determine the second operating parameters corresponding to the relay conversion module; the first operating parameters include carrier information for transmitting the power data; the second operating parameters include carrier signals for calibrating the power equipment's transmission in the dual-mode communication network; The first parameter sending unit is used to send the first operating parameter to the power equipment, so that the power equipment sends a carrier signal matching the first operating parameter for transmitting the power data at the sending time; The second parameter sending unit is used to control the relay conversion module to perform signal processing on the carrier signal based on the second operating parameters and forward the calibrated carrier signal when the carrier signal is transmitted to the relay conversion module.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the computer program, it implements the method as described in any one of claims 1 to 7.

10. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by a processor, it implements the method as described in any one of claims 1 to 7.

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