CN112671927A - Service data transmission method and device based on electric power Internet of things system change - Google Patents
Service data transmission method and device based on electric power Internet of things system change Download PDFInfo
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Abstract
The embodiment of the application discloses a service data transmission method and device based on electric power Internet of things system change. According to the technical scheme provided by the embodiment of the application, service data are subjected to jump transmission to the main node through the corresponding data jump transmission links of the intelligent electric meters grouped by the electric meters, and the main node transmits the service data to the data management node; and when the data management node detects that the new ammeter is accessed into the corresponding ammeter group, determining a data skipping object of the new ammeter, modifying the corresponding data skipping link, sending the modified data skipping link to the new ammeter and each intelligent ammeter of the corresponding ammeter group, and modifying the corresponding data skipping link and updating to each corresponding intelligent ammeter based on the newly replaced intelligent ammeter when detecting that the corresponding intelligent ammeter is replaced. By adopting the technical means, the data can be summarized and transmitted based on the data hopping transmission link, the signal transmission efficiency is improved, and the signal transmission quality is guaranteed. And facilitates the setting of signal transmission modes when the system is changed.
Description
Technical Field
The embodiment of the application relates to the technical field of power internet of things, in particular to a service data transmission method and device based on power internet of things system change.
Background
At present, with the development of the internet of things technology, more power systems are introduced into the internet of things technology to construct a power internet of things system so as to provide more convenient and flexible power operation management. The electric power internet of things is an intelligent service system which is characterized in that modern information technologies such as mobile interconnection, artificial intelligence and the like and advanced communication technologies are fully applied around all links of an electric power system, all things interconnection and man-machine interaction of all links of the electric power system are achieved, and the intelligent service system has the advantages of comprehensive state sensing, efficient information processing and convenient and flexible application. In the power internet of things, automatic collection of user service data is generally realized through an intelligent electric meter, and the collected service data is uploaded to a background server for system services such as data management and the like. The intelligent ammeter executes the services of acquisition and uploading of service data, generation of work logs, safety detection of the ammeter and the like, and the services are that ammeter operation parameter configuration is carried out based on configuration data preset by a data management node, and related services are executed according to the operation parameters.
However, when the smart meter transmits data to the data management node, the smart meter is affected by signal deep fading due to a long communication distance, which easily causes unstable data transmission, poor signal quality, and the like. Moreover, when the intelligent electric meter is replaced or newly accessed to the electric power internet of things system, the service data transmission mode needs to be reset, and the whole process is relatively complicated.
Disclosure of Invention
The embodiment of the application provides a service data transmission method and device based on power internet of things system change, which can collect transmission data based on a data hopping transmission link, improve signal transmission efficiency and guarantee signal transmission quality. And facilitates the setting of signal transmission modes when the system is changed.
In a first aspect, an embodiment of the present application provides a service data transmission method based on changes in an electric power internet of things system, including:
the method comprises the steps that a data management node divides each intelligent electric meter into a plurality of electric meter groups according to the regional position, receives test signals sent by each intelligent electric meter in the electric meter groups, determines corresponding signal quality parameters based on the test signals, selects one intelligent electric meter from the electric meter groups as a main node based on the signal quality parameters, constructs data hopping transmission links of each intelligent electric meter in the electric meter groups corresponding to the main node, sends the data hopping transmission links to each intelligent electric meter in the corresponding electric meter groups, configures corresponding session keys for the main node, and marks data hopping transmission objects of each intelligent electric meter in the corresponding electric meter groups for summarizing service data of each intelligent electric meter in the electric meter groups to the main node;
allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter for service data transmission of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource;
when the data management node detects that a new ammeter is accessed into the corresponding ammeter group, the data skip transmission object of the new ammeter is determined, the corresponding data skip transmission link is modified, the modified data skip transmission link is sent to the new ammeter and each corresponding intelligent ammeter of the ammeter group, and when the corresponding intelligent ammeter is detected to be replaced, the corresponding data skip transmission link is modified based on the new intelligent ammeter and each corresponding intelligent ammeter is updated.
Further, after the master node summarizes the service data of each smart meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource, the method further includes:
and when the data management node detects that the corresponding main node fails, reselecting one intelligent electric meter from the corresponding electric meter group as a new main node based on the signal quality parameter, and modifying the corresponding data jump transmission link based on the new main node.
Further, after the master node summarizes the service data of each smart meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource, the method further includes:
and the data management node counts the service volume of each ammeter group based on the service data uploaded by each main node in a set time period, and modifies the channel transmission resource allocation weight of each main node according to the service volume.
Further, the skipping transmitting the service data to the host node based on the corresponding data skipping link further includes:
and each intelligent electric meter adds own identity identification in service data and carries out jump transmission on the service data to the main node based on the corresponding data jump transmission link.
Further, constructing a data jump transmission link of each smart meter in the meter group corresponding to the master node includes:
and selecting data jump transmission objects of the intelligent electric meters according to the distance between the intelligent electric meters and the main node and constructing corresponding data jump transmission links.
Further, after configuring the corresponding session key for the master node, the method further includes:
and updating each session key to the corresponding main node by the data management node every other set session security management period.
Further, selecting one smart meter from the meter group as a master node based on the signal quality parameter, and after constructing a data jump transmission link of each smart meter in the meter group corresponding to the master node, the method further includes:
and the data management node conducts signal test of the intelligent electric meters grouped by the electric meters again every other test period, and reconstructs a new data jump transmission link based on a new signal test result.
In a second aspect, an embodiment of the present application provides a service data transmission device based on a change of an electric power internet of things system, including:
the system comprises a construction module, a data management node and a master node, wherein the construction module is used for dividing each intelligent electric meter into a plurality of electric meter groups according to the region position through the data management node, receiving a test signal sent by each intelligent electric meter in the electric meter groups, determining a corresponding signal quality parameter based on the test signal, selecting one intelligent electric meter from the electric meter groups as the master node based on the signal quality parameter, constructing a data hopping link of each intelligent electric meter in the electric meter groups corresponding to the master node, sending the data hopping link to each intelligent electric meter in the corresponding electric meter group, configuring a corresponding session key for the master node, and identifying a data hopping object of each intelligent electric meter in the corresponding electric meter group through the data hopping link for summarizing the service data of each intelligent electric meter in the electric meter groups to the master node;
the transmission module is used for allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter and transmitting service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource;
and the change module is used for determining a data skip transmission object of the new electric meter when the data management node detects that the new electric meter is accessed to the corresponding electric meter group, modifying the corresponding data skip transmission link, sending the modified data skip transmission link to the new electric meter and each corresponding intelligent electric meter grouped, and modifying the corresponding data skip transmission link and updating the data skip transmission link to each corresponding intelligent electric meter based on the new intelligent electric meter when the intelligent electric meter is detected to be changed.
In a third aspect, an embodiment of the present application provides an electronic device, including:
a memory and one or more processors;
the memory for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the service data transmission method based on the change of the power internet of things system according to the first aspect.
In a fourth aspect, the present application provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform the service data transmission method based on the change of the power internet of things system according to the first aspect.
According to the method, each intelligent electric meter is divided into a plurality of electric meter groups according to the region position through a data management node, a test signal sent by each intelligent electric meter in the electric meter groups is received, a corresponding signal quality parameter is determined based on the test signal, one intelligent electric meter is selected from the electric meter groups as a main node based on the signal quality parameter, a data hopping transmission link of each intelligent electric meter in the electric meter groups is constructed corresponding to the main node, the data hopping transmission link is sent to each intelligent electric meter in the corresponding electric meter groups, a corresponding session key is configured for the main node, and the data hopping transmission link identifies a data hopping transmission object of each intelligent electric meter in the corresponding electric meter groups and is used for summarizing service data of each intelligent electric meter in the electric meter groups to the main node; allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter, wherein the channel transmission resources are used for transmitting service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are hopped to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using a session key, and transmits the service data to the data management node based on channel transmission resources; and when the data management node detects that the new ammeter is accessed into the corresponding ammeter group, determining a data skipping object of the new ammeter, modifying the corresponding data skipping link, sending the modified data skipping link to the new ammeter and each intelligent ammeter of the corresponding ammeter group, and modifying the corresponding data skipping link and updating to each corresponding intelligent ammeter based on the newly replaced intelligent ammeter when detecting that the corresponding intelligent ammeter is replaced. By adopting the technical means, the data can be summarized and transmitted based on the data hopping transmission link, the signal transmission efficiency is improved, and the signal transmission quality is guaranteed. And facilitates the setting of signal transmission modes when the system is changed.
Drawings
Fig. 1 is a flowchart of a service data transmission method based on changes in an electric power internet of things system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of signal testing in the first embodiment of the present application;
fig. 3 is a schematic diagram of service data transmission in the first embodiment of the present application;
fig. 4 is a processing flow chart of the power internet of things in the first embodiment of the present application;
fig. 5 is a schematic structural diagram of a service data transmission device based on change of an electric power internet of things system according to a second embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to a third embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
The first embodiment is as follows:
fig. 1 is a flowchart of a service data transmission method based on changes in an electric power internet of things system according to an embodiment of the present application, where the service data transmission method based on changes in the electric power internet of things system provided in this embodiment may be executed by a service data transmission device based on changes in the electric power internet of things system, the service data transmission device based on changes in the electric power internet of things system may be implemented in a software and/or hardware manner, and the service data transmission device based on changes in the electric power internet of things system may be formed by two or more physical entities or may be formed by one physical entity. Generally, the service data transmission device based on the change of the power internet of things system can be the power internet of things system.
The following description will be given taking an electric power internet of things system as an example of a main body of a service data transmission method for executing a change based on the electric power internet of things system. Referring to fig. 1, the service data transmission method based on the change of the power internet of things system specifically includes:
s110, dividing each intelligent electric meter into a plurality of electric meter groups according to the region position by a data management node, receiving test signals sent by each intelligent electric meter in the electric meter groups, determining corresponding signal quality parameters based on the test signals, selecting one intelligent electric meter from the electric meter groups as a main node based on the signal quality parameters, building data hopping transmission links of each intelligent electric meter in the electric meter groups corresponding to the main node, sending the data hopping transmission links to each corresponding intelligent electric meter in the electric meter groups, configuring corresponding session keys for the main node, and identifying corresponding data hopping transmission objects of each intelligent electric meter in the electric meter groups by the data hopping transmission links, wherein the data hopping transmission objects are used for summarizing service data of each intelligent electric meter in the electric meter groups to the main node.
The data transmission method based on the data hopping transmission link of the intelligent electric meter aims at determining the signal quality of signal communication between each intelligent electric meter grouped by the electric meters and the data management node through signal testing, further selecting the main node of the electric meter grouped according to the signal quality, generating the corresponding data hopping transmission link and issuing the data hopping transmission link to each intelligent electric meter. And each intelligent electric meter selects the jump transmission object to jump transmit the service data according to the data jump transmission link. And when detecting that the intelligent electric meter is newly accessed or changed, correspondingly updating the data jump transmission link so as to facilitate the setting of a signal transmission mode when the system is changed, thereby ensuring the high-quality transmission of service data and optimizing the service operation of the system.
Specifically, referring to fig. 2, in the embodiment of the present application, the data management node 11 is configured to process service data of each smart meter 12, so as to implement relevant service processing and operation of the power internet of things system. In the electric power Internet of things system, the intelligent electric meter system comprises a plurality of intelligent electric meters 12 and a data management node 11, wherein each intelligent electric meter is distributed at each position in the communication range of an Internet of things gateway. When different intelligent electric meters perform service data interaction with the data management node, the signal quality is different under the influence of signal multipath fading. In order to optimize the signal transmission effect and reduce the influence of signal attenuation, for part of the smart meters with relatively poor signal communication quality with the data management node, other smart meters can be selected as communication relays, and the communication relays are used for skipping service data to the data management node, so that better service data transmission performance is guaranteed. And, considering that the distribution position of the smart electric meter may be relatively far, long-distance jump transmission of service data may affect the data transmission quality. Therefore, according to the embodiment of the application, the intelligent electric meters are grouped according to different region positions, and the intelligent electric meters are divided into a plurality of electric meter groups. And then, signal testing of each intelligent electric meter is carried out on the basis of electric meter grouping of different region positions. Referring to fig. 2, each smart meter 12 sends a test signal to the data management node 11, performs a signal test, and determines a master node of a current meter group based on a signal test result.
The signal quality parameters corresponding to the intelligent electric meters are determined according to the test signals, and then the intelligent electric meter with the largest signal quality parameter can be selected from the electric meter groups as a main node based on the signal quality parameters. In particular, the signal quality parameter value of the test signal is determined by the corresponding signal received power, signal received strength, channel instantaneous quality value and/or interference signal strength. Wherein the channel instantaneous quality value represents the channel quality, channel matrix feedback, signal response, and/or interference information for the corresponding signal receiving antenna. And measuring the various types of parameters through the corresponding test signals and the antenna parameters. Further, in order to quantize the signal quality parameter, a calculation formula of the signal quality parameter is provided to quantize the signal quality of the test signal, and the calculation formula of the signal quality parameter is:
f＝ω1P+ω2d1+ω3h+ω4d2
where f is the signal quality parameter value, P is the signal received power, d1For signal received strength, h is the instantaneous quality value of the channel, d2For interfering signal strength, omega1，ω2，ω3And ω4The influence factors are determined according to actual tests and can be set according to the actual influence of each type of parameter on the signal quality parameter value. Base ofThe signal quality parameter of each test signal can be determined by the signal quality parameter calculation formula. It should be noted that, in practical applications, according to different signal quality evaluation criteria, a plurality of different manners may be selected to evaluate the signal quality parameters of each test signal, and a corresponding quantization formula is set accordingly. The above formula is only one calculation method for calculating the signal quality parameter in the embodiment of the present application, and various different measurement and calculation formulas may be selected according to actual measurement and calculation requirements, which is not described herein again.
And determining the signal quality parameters of the test signals of each intelligent ammeter based on the signal quality parameter calculation mode, and selecting the intelligent ammeter with the largest signal quality parameter as a main node of the current ammeter group based on the signal quality parameters. And further constructing a data jump transmission link corresponding to the main node, wherein the data jump transmission object of each intelligent electric meter is selected according to the distance between each intelligent electric meter and the main node, and the corresponding data jump transmission link is constructed. And the main node is used as a terminal point of the data jump transmission link and is used for summarizing the service data of each intelligent electric meter in the electric meter group and uploading the service data to the data management node. When a data hopping transmission link is constructed, the data management node takes the rest intelligent electric meters in the electric meter group as subordinate nodes of the main node, and the hopping transmission objects of the intelligent electric meters are determined from far to near based on the distance between each subordinate node and the main node. It can be understood that if a node closest to a certain smart meter is a master node, the smart meter takes the master node as a skip transmission object; if the node closest to a certain intelligent electric meter is another intelligent electric meter and the other intelligent electric meter is closer to the main node, the intelligent electric meter takes the other intelligent electric meter as a jump transmission object. And each intelligent electric meter selects a jump transmission object according to the distance between the intelligent electric meter and the main node, and then the data jump transmission link is constructed. After the data jump transmission link is constructed, the data management node sends the data jump transmission link to each intelligent electric meter in the corresponding data jump transmission link so as to inform each intelligent electric meter of the current data jump transmission link to jump-transmit and gather service data to the main node according to the jump transmission object indicated by the data jump transmission link. It can be understood that, based on the data hopping transmission link, when each smart meter performs service data hopping transmission, a hopping transmission object of the service data of each smart meter can be determined from the data hopping transmission link, and then the service data is hopped to the hopping transmission object, so that the service data of each smart meter is hopped and summarized step by step in the data hopping transmission link, and then the collection of the service data by the master node can be completed. The service data skip transmission object is selected nearby through the intelligent electric meter, the service data are transmitted in a short communication distance, so that the influence of signal fading is reduced, the stability of data transmission is guaranteed, and the transmission quality of the service data is improved.
By referring to the above manner, the data jump transmission link of each electric meter group can be correspondingly constructed. In addition, the data management node further distributes session keys to the main nodes of each electricity meter group, the session keys obtained by each main node are different, and the security of service data transmission can be guaranteed by distributing the session keys to each main node.
In one embodiment, the data management node conducts signal testing of the electric meter grouping intelligent electric meters again every other testing period, and a new data jump transmission link is reconstructed based on a new signal testing result. Considering that the data transmission network is influenced by various factors, the data transmission quality of the data transmission network also changes in real time. In order to guarantee the transmission quality of service data, it is necessary to ensure that good data transmission performance is maintained between the data management node and the master node in real time. Based on this, the embodiment of the application performs the periodic signal test of grouping each intelligent ammeter corresponding to the ammeter by setting the time period, and obtains the signal test result of each intelligent ammeter and the data management node by referring to the signal test mode of the data management node. Based on the new signal test results, it can be determined whether to perform a master node reselection. If the signal transmission quality of the original master node and the data management node is found to be optimal according to the signal test result, the master node does not need to be reselected, otherwise, the master node needs to be reselected. It can be understood that after the master node is determined again, a data hopping transmission link needs to be reconstructed corresponding to the distance between the new master node and each smart meter grouped currently for service data transmission, so that the stability of service transmission is guaranteed in real time.
In an embodiment, every other set session security management period, the data management node updates each session key to the corresponding master node. It can be understood that the difficulty of session key cracking can be increased by periodically updating the session key, and the situation that the session key is easily cracked to cause stealing and tampering of the service data is avoided. Therefore, the safety of service data transmission is improved, and the operation of the power internet of things is optimized.
S120, allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter, and transmitting the service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, the service data are hopped to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource.
Further, after the construction of the data hopping transmission link of the electric meter packet is completed, the embodiment of the application further allocates the channel transmission resources corresponding to each master node. The channel transmission resource is used for each main node to transmit the service data. And setting bandwidth distribution weights corresponding to the intelligent electric meters according to the quantity of the intelligent electric meters grouped by the electric meters, and distributing channel transmission resources based on the bandwidth distribution weights. The electric meter groups with the large number of corresponding intelligent electric meters can distribute more channel transmission resources to the main node of the electric meter groups, and the electric meter groups with the small number of corresponding intelligent electric meters can distribute relatively less channel transmission resources to the main node of the electric meter groups. Through reasonable distribution of channel transmission resources, the situation that the electric meters with less network resource requirements occupy too much bandwidth in groups can be avoided, and the utilization rate of network resources is further improved.
In one embodiment, the data management node counts the traffic volume of each electricity meter group based on the service data uploaded by each main node in a set time period, and modifies the channel transmission resource allocation weight of each main node according to the traffic volume. The data management node can determine the service volume of each ammeter group by counting the service data uploaded by each main node in a set time period. The channel transmission resource distribution weight (namely, the bandwidth distribution weight) distributed before is modified according to the traffic, so that the reasonable distribution of the channel transmission resource can be guaranteed in real time, and the utilization rate of the network resource is further improved.
Specifically, referring to fig. 3, when the smart meters of each meter group perform service data transmission, the service data transmission is performed according to the data hopping link issued by the data management node 11. The smart meter 12 determines its own service data skip transmission object by querying the data skip transmission link, and then skips transmission of the service data to the skip transmission object. Referring to the above manner, each smart meter 12 transmits service data according to the hop transmission object identified by the data hop transmission link, and finally summarizes the service data to the end point of the data hop transmission link, that is, the master node of the current meter group.
When transmitting the service data, each smart meter 12 adds its own identity to the service data, and skips the service data to the host node based on the corresponding data skip link. Further, after summarizing the service data of each smart meter 12, the master node encrypts the service data by using the session key issued in advance and sends the encrypted service data to the data management node 11. It can be understood that by adding the identity of each smart meter in the service data, the data management node makes clear which smart meter the service data comes from, so as to facilitate the service processing of each smart meter.
S130, when the data management node detects that a new ammeter is accessed to the corresponding ammeter group, determining a data jump transmission object of the new ammeter, modifying the corresponding data jump transmission link, sending the modified data jump transmission link to the new ammeter and each corresponding intelligent ammeter of the ammeter group, and when detecting that the corresponding intelligent ammeter is replaced, modifying the corresponding data jump transmission link and updating the corresponding intelligent ammeter based on the newly replaced intelligent ammeter.
Furthermore, when the data management node detects that a certain intelligent electric meter in the electric meter group is replaced, the data management node correspondingly replaces the original intelligent electric meter, inquires a data hopping transmission link containing the original intelligent electric meter, and modifies the identification information of the original intelligent electric meter in the data hopping transmission link into the identification information of the newly replaced intelligent electric meter so as to modify the identification information to obtain the data hopping transmission link corresponding to the newly replaced intelligent electric meter. And updating the data jump transmission link to each related intelligent electric meter.
On the other hand, when the data management node detects that a new electric meter accesses to the corresponding electric meter group, the intelligent electric meter is selected as a data hopping transmission object for the new electric meter by referring to the data hopping transmission link construction mode, the original data hopping transmission link is modified based on the selected data hopping transmission object, and the new electric meter is added to the corresponding position in the data hopping transmission link. Similarly, the modified data hopping transmission link is not only sent to the new electric meter, but also to the intelligent electric meters grouped by the same electric meter, so that each intelligent electric meter can conveniently acquire the corresponding data hopping transmission relationship.
It can be understood that the data hopping transmission link can adapt to each intelligent electric meter of the electric power internet of things system in real time by detecting the replacement of the intelligent electric meter and the new access network and correspondingly modifying the data hopping transmission link, the data transmission quality of each intelligent electric meter is guaranteed, and the service operation of the internet of things system is optimized.
In one embodiment, when the data management node detects that the corresponding master node fails, one smart meter is reselected from the corresponding meter group as a new master node based on the signal quality parameter, and the corresponding data hopping transmission link is modified based on the new master node. It can be understood that when the original master node fails, an intelligent electric meter is selected from the electric meter group as the master node based on the previous signal test result again, and the data jump transmission link is further reconstructed based on the new master node by referring to the data link construction mode in the step S110, so that normal transmission of service data of the electric power internet of things system can be guaranteed, and the service operation effect of the electric power internet of things system is optimized.
In an embodiment, after the data management node receives the service data transmitted by each host node, the data management node further performs signal quality parameter detection or bit error rate detection on the service data corresponding to the received service data to obtain a corresponding signal quality parameter detection result or bit error rate detection result. The signal quality parameter detection result or the error rate detection result represents the signal transmission performance between the current master node and the data management node. If the signal quality parameter detection result of the corresponding service data is lower than the set signal quality threshold value after the continuous set times are detected, or the error rate detection result of the corresponding service data reaches the set error rate threshold value, selecting one intelligent electric meter from the corresponding electric meter group again to serve as a new main node, and modifying the corresponding data hopping transmission link based on the new main node. It can be understood that, if the signal quality parameter detection result is lower than the set signal quality threshold, or the bit error rate detection result reaches the set bit error rate threshold, it indicates that the signal transmission performance between the current master node and the data management node is relatively poor, and in order to avoid affecting the transmission of the service data, the master node corresponding to the electricity meter group needs to be changed at this time. According to the signal test result of the step S110, a smart meter (except for the original master node) with the largest signal quality parameter is reselected as the master node, and then a data hopping transmission link is constructed based on the new master node with reference to the data hopping transmission link construction method of the step S110. And the intelligent electric meters grouped corresponding to the electric meters are enabled to carry out service data summarization and transmission based on the new data hopping transmission link.
Referring to fig. 4, in the embodiment of the application, each smart meter is divided into a plurality of meter groups according to the area position by a data management node, a test signal sent by each smart meter in the meter group is received, a corresponding signal quality parameter is determined based on the test signal, one smart meter is selected from the meter groups as a master node based on the signal quality parameter, a data hopping link of each smart meter in the meter group is constructed corresponding to the master node, the data hopping link is sent to each smart meter in the corresponding meter group, a corresponding session key is configured for the master node, the data hopping link identifies a data hopping object of each smart meter in the corresponding meter group, and service data of each smart meter in the meter group is summarized to the master node; allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter, wherein the channel transmission resources are used for transmitting service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are hopped to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using a session key, and transmits the service data to the data management node based on channel transmission resources; and when the data management node detects that the new ammeter is accessed into the corresponding ammeter group, determining a data skipping object of the new ammeter, modifying the corresponding data skipping link, sending the modified data skipping link to the new ammeter and each intelligent ammeter of the corresponding ammeter group, and modifying the corresponding data skipping link and updating to each corresponding intelligent ammeter based on the newly replaced intelligent ammeter when detecting that the corresponding intelligent ammeter is replaced. By adopting the technical means, the data can be summarized and transmitted based on the data hopping transmission link, the signal transmission efficiency is improved, and the signal transmission quality is guaranteed. And facilitates the setting of signal transmission modes when the system is changed.
Example two:
on the basis of the foregoing embodiment, fig. 5 is a schematic structural diagram of a service data transmission device based on a change of an electric power internet of things system according to a second embodiment of the present application. Referring to fig. 5, the service data transmission device based on the change of the power internet of things system provided in this embodiment specifically includes: a building module 21, a transmission module 22 and a change module 23.
The construction module 21 is configured to divide each smart meter into a plurality of meter groups according to an area location through a data management node, receive a test signal sent by each smart meter in the meter group, determine a corresponding signal quality parameter based on the test signal, select one smart meter from the meter groups as a master node based on the signal quality parameter, constructing a data jump transmission link of each intelligent electric meter in the electric meter group corresponding to the main node, sending the data jump transmission link to each intelligent electric meter in the corresponding electric meter group, configuring a corresponding session key for the main node, wherein the data hopping transmission link identifies data hopping transmission objects of all the intelligent electric meters in the corresponding electric meter group and is used for summarizing service data of all the intelligent electric meters in the electric meter group to the main node;
the transmission module 22 is configured to allocate channel transmission resources to each corresponding master node based on the number of the smart meters grouped by each meter, and is configured to transmit service data of each master node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource;
the changing module 23 is configured to determine a data skipping object of the new electric meter when the data management node detects that the new electric meter is accessed to the corresponding electric meter group, modify the corresponding data skipping link, send the modified data skipping link to the new electric meter and each corresponding smart electric meter of the electric meter group, and when the smart electric meter is changed, modify the corresponding data skipping link and update the corresponding smart electric meter to each corresponding smart electric meter based on the new smart electric meter.
The method includes the steps that each intelligent electric meter is divided into a plurality of electric meter groups according to the region position through a data management node, test signals sent by each intelligent electric meter in the electric meter groups are received, corresponding signal quality parameters are determined based on the test signals, one intelligent electric meter is selected from the electric meter groups as a main node based on the signal quality parameters, a data hopping transmission link of each intelligent electric meter in the electric meter groups is constructed corresponding to the main node, the data hopping transmission link is sent to each intelligent electric meter in the corresponding electric meter groups, a corresponding session key is configured for the main node, data hopping transmission objects of each intelligent electric meter in the corresponding electric meter groups are identified by the data hopping transmission link, and service data of each intelligent electric meter in the electric meter groups are collected to the main node; allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter, wherein the channel transmission resources are used for transmitting service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are hopped to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using a session key, and transmits the service data to the data management node based on channel transmission resources; and when the data management node detects that the new ammeter is accessed into the corresponding ammeter group, determining a data skipping object of the new ammeter, modifying the corresponding data skipping link, sending the modified data skipping link to the new ammeter and each intelligent ammeter of the corresponding ammeter group, and modifying the corresponding data skipping link and updating to each corresponding intelligent ammeter based on the newly replaced intelligent ammeter when detecting that the corresponding intelligent ammeter is replaced. By adopting the technical means, the data can be summarized and transmitted based on the data hopping transmission link, the signal transmission efficiency is improved, and the signal transmission quality is guaranteed. And facilitates the setting of signal transmission modes when the system is changed.
The service data transmission device based on the change of the power internet of things system provided by the second embodiment of the application can be used for executing the service data transmission method based on the change of the power internet of things system provided by the first embodiment of the application, and has corresponding functions and beneficial effects.
Example three:
an embodiment of the present application provides an electronic device, and with reference to fig. 6, the electronic device includes: a processor 31, a memory 32, a communication module 33, an input device 34, and an output device 35. The number of processors in the electronic device may be one or more, and the number of memories in the electronic device may be one or more. The processor, memory, communication module, input device, and output device of the electronic device may be connected by a bus or other means.
The memory 32 is a computer-readable storage medium and can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the service data transmission method based on the change of the power internet of things system (for example, a construction module, a transmission module, and a change module in the service data transmission device based on the change of the power internet of things system) according to any embodiment of the present application. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system and an application program required by at least one function; the storage data area may store data created according to use of the device, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory may further include memory located remotely from the processor, and these remote memories may be connected to the device over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The communication module 33 is used for data transmission.
The processor 31 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory, that is, implements the service data transmission method based on the change of the power internet of things system.
The input device 34 may be used to receive entered numeric or character information and to generate key signal inputs relating to user settings and function controls of the apparatus. The output device 35 may include a display device such as a display screen.
The electronic device provided above can be used to execute the service data transmission method based on the change of the power internet of things system provided in the first embodiment, and has corresponding functions and beneficial effects.
Example four:
the embodiment of the present application further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a service data transmission method based on changes in an electric power internet of things system, where the service data transmission method based on changes in the electric power internet of things system includes: the method comprises the steps that a data management node divides each intelligent electric meter into a plurality of electric meter groups according to the regional position, receives test signals sent by each intelligent electric meter in the electric meter groups, determines corresponding signal quality parameters based on the test signals, selects one intelligent electric meter from the electric meter groups as a main node based on the signal quality parameters, constructs data hopping transmission links of each intelligent electric meter in the electric meter groups corresponding to the main node, sends the data hopping transmission links to each intelligent electric meter in the corresponding electric meter groups, configures corresponding session keys for the main node, and marks data hopping transmission objects of each intelligent electric meter in the corresponding electric meter groups for summarizing service data of each intelligent electric meter in the electric meter groups to the main node; allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter for service data transmission of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource; when the data management node detects that a new ammeter is accessed into the corresponding ammeter group, the data skip transmission object of the new ammeter is determined, the corresponding data skip transmission link is modified, the modified data skip transmission link is sent to the new ammeter and each corresponding intelligent ammeter of the ammeter group, and when the corresponding intelligent ammeter is detected to be replaced, the corresponding data skip transmission link is modified based on the new intelligent ammeter and each corresponding intelligent ammeter is updated.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media residing in different locations, e.g., in different computer systems connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium containing the computer-executable instructions provided in the embodiments of the present application is not limited to the service data transmission method based on the change of the power internet of things system as described above, and may also perform related operations in the service data transmission method based on the change of the power internet of things system as provided in any embodiment of the present application.
The service data transmission device, the storage medium and the electronic device based on the change of the power internet of things system provided in the above embodiments may execute the service data transmission method based on the change of the power internet of things system provided in any embodiment of the present application, and reference may be made to the service data transmission method based on the change of the power internet of things system provided in any embodiment of the present application without detailed technical details described in the above embodiments.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. The present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (10)
1. A service data transmission method based on electric power Internet of things system change is characterized by comprising the following steps:
the method comprises the steps that a data management node divides each intelligent electric meter into a plurality of electric meter groups according to the regional position, receives test signals sent by each intelligent electric meter in the electric meter groups, determines corresponding signal quality parameters based on the test signals, selects one intelligent electric meter from the electric meter groups as a main node based on the signal quality parameters, constructs data hopping transmission links of each intelligent electric meter in the electric meter groups corresponding to the main node, sends the data hopping transmission links to each intelligent electric meter in the corresponding electric meter groups, configures corresponding session keys for the main node, and marks data hopping transmission objects of each intelligent electric meter in the corresponding electric meter groups for summarizing service data of each intelligent electric meter in the electric meter groups to the main node;
allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter for service data transmission of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource;
when the data management node detects that a new ammeter is accessed into the corresponding ammeter group, the data skip transmission object of the new ammeter is determined, the corresponding data skip transmission link is modified, the modified data skip transmission link is sent to the new ammeter and each corresponding intelligent ammeter of the ammeter group, and when the corresponding intelligent ammeter is detected to be replaced, the corresponding data skip transmission link is modified based on the new intelligent ammeter and each corresponding intelligent ammeter is updated.
2. The method for transmitting service data based on changes in the power internet of things system according to claim 1, wherein after the master node aggregates the service data of the respective smart meters, encrypts the service data using the session key, and transmits the service data to the data management node based on the channel transmission resource, the method further comprises:
and when the data management node detects that the corresponding main node fails, reselecting one intelligent electric meter from the corresponding electric meter group as a new main node based on the signal quality parameter, and modifying the corresponding data jump transmission link based on the new main node.
3. The method for transmitting service data based on changes in the power internet of things system according to claim 1, wherein after the master node aggregates the service data of the respective smart meters, encrypts the service data using the session key, and transmits the service data to the data management node based on the channel transmission resource, the method further comprises:
and the data management node counts the service volume of each ammeter group based on the service data uploaded by each main node in a set time period, and modifies the channel transmission resource allocation weight of each main node according to the service volume.
4. The method for transmitting service data based on change of the power internet of things system according to claim 1, wherein the step of hopping-transmitting the service data to the master node based on the corresponding data hopping transmission link further comprises:
and each intelligent electric meter adds own identity identification in service data and carries out jump transmission on the service data to the main node based on the corresponding data jump transmission link.
5. The service data transmission method based on the change of the power internet of things system according to claim 1, wherein the constructing of the data hopping links of the smart meters in the meter grouping corresponding to the master node comprises:
and selecting data jump transmission objects of the intelligent electric meters according to the distance between the intelligent electric meters and the main node and constructing corresponding data jump transmission links.
6. The method for transmitting service data based on change of the power internet of things system according to claim 1, wherein after configuring the corresponding session key for the master node, the method further comprises:
and updating each session key to the corresponding main node by the data management node every other set session security management period.
7. The method for transmitting service data based on changes in the power internet of things system according to claim 1, wherein after selecting one smart meter from the meter group as a master node based on the signal quality parameter and building a data hopping link for each smart meter in the meter group corresponding to the master node, the method further comprises:
and the data management node conducts signal test of the intelligent electric meters grouped by the electric meters again every other test period, and reconstructs a new data jump transmission link based on a new signal test result.
8. A service data transmission device based on electric power Internet of things system change is characterized by comprising:
the system comprises a construction module, a data management node and a master node, wherein the construction module is used for dividing each intelligent electric meter into a plurality of electric meter groups according to the region position through the data management node, receiving a test signal sent by each intelligent electric meter in the electric meter groups, determining a corresponding signal quality parameter based on the test signal, selecting one intelligent electric meter from the electric meter groups as the master node based on the signal quality parameter, constructing a data hopping link of each intelligent electric meter in the electric meter groups corresponding to the master node, sending the data hopping link to each intelligent electric meter in the corresponding electric meter group, configuring a corresponding session key for the master node, and identifying a data hopping object of each intelligent electric meter in the corresponding electric meter group through the data hopping link for summarizing the service data of each intelligent electric meter in the electric meter groups to the master node;
the transmission module is used for allocating channel transmission resources for each corresponding main node based on the number of the intelligent electric meters grouped by each electric meter and transmitting service data of each main node; when each intelligent electric meter grouped by the electric meters uploads service data, service data are relayed to the main node based on the corresponding data hopping transmission link, the main node summarizes the service data of each intelligent electric meter, encrypts the service data by using the session key, and transmits the service data to the data management node based on the channel transmission resource;
and the change module is used for determining a data skip transmission object of the new electric meter when the data management node detects that the new electric meter is accessed to the corresponding electric meter group, modifying the corresponding data skip transmission link, sending the modified data skip transmission link to the new electric meter and each corresponding intelligent electric meter grouped, and modifying the corresponding data skip transmission link and updating the data skip transmission link to each corresponding intelligent electric meter based on the new intelligent electric meter when the intelligent electric meter is detected to be changed.
9. An electronic device, comprising:
a memory and one or more processors;
the memory for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the business data transmission method based on the change of the power internet of things system according to any one of claims 1 to 7.
10. A storage medium containing computer-executable instructions, which when executed by a computer processor, is configured to perform the method for transmitting service data based on change of the power internet of things system according to any one of claims 1 to 7.
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