CN115915487A - Charging pile self-matching method and system for routing switch and multi-way gateway - Google Patents
Charging pile self-matching method and system for routing switch and multi-way gateway Download PDFInfo
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- CN115915487A CN115915487A CN202211513227.7A CN202211513227A CN115915487A CN 115915487 A CN115915487 A CN 115915487A CN 202211513227 A CN202211513227 A CN 202211513227A CN 115915487 A CN115915487 A CN 115915487A
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Abstract
The invention discloses a charging pile self-matching method and a charging pile self-matching system for a routing switch and a multi-way gateway, and the method is characterized by comprising the following steps: configuring a network card for each charging pile in the charging pile cluster, wherein the network card establishes the intercommunication connection between each charging pile device and other charging piles through a signal transmission module; calculating the signal intensity between each charging pile network card and other network cards, configuring a signal intensity threshold value, and screening out a plurality of secondary nodes according to the signal intensity and the signal intensity threshold value; selecting root nodes from the secondary nodes according to the signal intensity and an enumeration algorithm, and establishing communication connection between other secondary nodes and the root nodes; taking charging pile network cards except secondary nodes as root nodes as child nodes, and establishing communication connection between the child nodes and the secondary nodes to construct a tree-shaped networking structure; and managing the secondary nodes and the child nodes through the root node.
Description
Technical Field
The invention relates to the technical field of charging pile networks, in particular to a charging pile self-matching method and system of a routing switch and a multi-path gateway.
Background
At present, the communication mode of the charging pile is mainly single-pile communication, the single-pile communication mode comprises a limited communication mode and a 4G wireless communication mode, the 4G wireless communication mode basically adopts single direct communication in the Internet, and the interconnection operation is not formed. When charging pile uses wired network communication: fill electric pile construction place and must lead to the net, a lot of fill electric pile construction places are not conform to the condition. Fill electric pile and use thing networking card direct communication: the single SIM card is used for communication, the stability is relatively poor, and each pile is upgraded or otherwise downloaded automatically, so that the flow cost is uncontrollable. When a certain single-pile network goes wrong, an isolation phenomenon occurs, any cloud information cannot be accepted and accepted, and maintenance cost is increased.
Disclosure of Invention
One of the purposes of the invention is to provide a charging pile self-matching method and system of a routing switch and a multi-way gateway, the method and system utilize WiFi to carry out networking, and networking adjustment is carried out between charging piles through the switch and the multi-way gateway in a self-matching mode, so that each charging pile can be effectively and stably networked, and the maintenance cost is reduced.
The invention also aims to provide a charging pile self-matching method and a charging pile self-matching system of a route switch and a multi-path gateway, wherein secondary nodes are screened out according to the signal intensity and the communication stability between charging piles, root nodes are selected out according to the signal intensity between the secondary nodes by adopting an enumeration algorithm, and the secondary nodes are connected with lower-level secondary sub-nodes to construct a tree-shaped local area network structure, so that the charging piles can form a networking structure which is interconnected and intercommunicated in the local area network.
The invention also aims to provide a charging pile self-matching method and system of the routing switch and the multi-path gateway. And constructing the tree-shaped networking structure within the signal intensity threshold range and on the basis of stable communication of the SIM card, thereby ensuring the stability of communication transmission of the charging pile.
The invention also aims to provide a self-matching method and a self-matching system for the charging piles of the routing switch and the multi-way gateway.
In order to achieve at least one of the above objects, the present invention further provides a method for self-matching a routing switch and a charging pile of a multi-way gateway, the method including:
configuring a network card for each charging pile in the charging pile cluster, and establishing intercommunication connection between each charging pile device and other charging piles through a signal transmission module by the network card
Calculating the signal intensity between each charging pile network card and other network cards, configuring a signal intensity threshold value, and screening out a plurality of secondary nodes according to the signal intensity and the signal intensity threshold value;
selecting root nodes from the secondary nodes according to the signal intensity and an enumeration algorithm, and establishing communication connection between other secondary nodes and the root nodes;
taking charging pile network cards except for secondary nodes as root nodes as child nodes, and establishing communication connection between the child nodes and the secondary nodes to construct a tree-shaped networking structure;
and managing the secondary nodes and the child nodes through the root node.
According to a preferred embodiment of the present invention, the method for root node networking comprises: and configuring a signal transmission module, sending signal data to the charging pile cluster, reading the signal intensity of each charging pile, wherein the signal intensity comprises WiFi signal intensity and SIM card signal intensity, and screening secondary nodes according to the signal intensity data.
According to another preferred embodiment of the present invention, a first signal strength threshold of the WiFi signal and a second signal strength threshold of the SIM card signal are configured respectively, and a network card with the read charging pile WiFi signal strength greater than the first signal strength threshold and the SIM card signal strength greater than the second signal strength threshold is used as the secondary node network card.
According to another preferred embodiment of the invention, the network card corresponding to the charging pile with the WiFi signal strength greater than the first signal strength threshold and the SIM card signal strength greater than the second signal strength threshold is obtained through calculation according to the signal sent by the signal transmission module, the network card and the mac address information of the corresponding charging pile are recorded, and the network card and the mac address information of the corresponding charging pile are stored in a routing table for subsequent data routing.
According to another preferred embodiment of the present invention, the signal transmission module sends a WiFi signal, the WiFi signal forms a signal strength circle layer in the charging pile cluster, signal circle layer thresholds of different signal strength levels are preset, data transmission stability is determined according to the SIM card signal, a signal strength mark is performed on each charging pile according to the signal circle layer threshold and the data transmission stability, and election of a root node is performed according to the signal strength mark.
According to another preferred embodiment of the present invention, the method for electing a root node includes: the root node election method comprises the following steps: and according to the charging piles marked by different signal intensities, adopting an enumeration method to take the charging pile with the maximum received signal intensity and stable data transmission as a root node.
According to another preferred embodiment of the present invention, when the root node fails, the secondary nodes are disconnected from the root node when the root node fails, the secondary root node which receives the maximum signal strength and has stable data transmission is selected as a new root node according to the communication label, and communication connection is established between other secondary nodes and the newly selected root node according to the routing table.
According to another preferred embodiment of the invention, each secondary charging pile is provided with a signal transmission module, the signal strength between each secondary charging pile and other nearby charging piles is calculated, the signal strength level between each secondary charging pile and other nearby charging piles is calculated according to a signal circle level threshold, a root node is determined according to the signal strength level, and an optimal tree-shaped connection networking structure is established according to the signal strength level between each secondary node and a child node.
In order to achieve at least one of the above objects, the present invention further provides a charging pile self-matching system for a routing switch and a multi-way gateway, which performs the above charging pile self-matching method for a routing switch and a multi-way gateway.
The present invention further provides a computer-readable storage medium storing a computer program, which is executed by a processor to perform the above-mentioned charging pile self-matching method for a routing switch and a multi-way gateway.
Drawings
Fig. 1 is a schematic flow chart showing a charging pile self-matching method for a routing switch and a multi-way gateway according to the present invention.
Fig. 2 is a schematic diagram showing a networking structure of the charging pile according to the present invention.
Fig. 3 is a schematic diagram showing another networking structure of the charging pile according to the present invention.
Fig. 4 is a schematic diagram showing a station networking structure based on SIM signal strength in the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.
Referring to fig. 1 to fig. 4, the present invention discloses a charging pile self-matching method and system for a routing switch and a multi-way gateway, wherein the method includes the following steps: first, a network card needs to be configured for each charging pile, so that communication connection can be established between the charging piles, that is, each charging pile also serves as a wireless Access Point (AP) when serving as a terminal device (ST). And further configuring a signal transmission module in the charging pile cluster, wherein the signal transmission module is preferably configured as a WiFi module and used for sending WiFi signals to the outside. After an internet of things card (SIM card) is configured on each charging pile node, the WiFi module can establish communication connection with each SIM card, calculate the signal intensity between the current WiFi module and each charging pile, and test the signal intensity range of the SIM card and the data transmission stability. The method is used for constructing a tree-shaped networking structure. According to the WiFi module signal intensity, the SIM card signal intensity and the SIM data transmission stability, whether the charging pile meets the secondary node screening requirement or not is judged, and an enumeration method is adopted to select an optimal root node from the secondary nodes for re-networking.
Specifically, as shown in fig. 2, the root node is configured to receive traffic of other secondary nodes and child nodes, and perform external communication and modulation functions on other charging piles. The secondary nodes are connected with the child nodes, the secondary nodes serve as standby nodes of the root nodes, therefore, when the root nodes are in fault, new root nodes can be selected from the connected secondary nodes, other secondary nodes are connected to the newly selected root nodes through the switch and the router, and therefore stable communication of the charging pile cluster can be guaranteed when the root nodes are in fault. The system has better self-adaptive effect. The charging piles corresponding to other child nodes can be configured to send single pile information only, and the child nodes can be configured to send charging data to the secondary nodes only. When the newly elected root node also fails, as shown in fig. 3, the system may re-elect a new root node from the remaining secondary nodes, and redistribute the communication connections between the secondary nodes and the elected updated root node using the switches and routers, in sequence until all the secondary nodes fail. The networking mode effectively avoids the problem of the fault of the whole networking network caused by the fault of the root node, and improves the stability of the networking network.
That is, at least one secondary node connects the root node, and at least one child node connects the secondary nodes, so that the entire charging pile cluster may form a tree structure as illustrated in fig. 2. When large-flow data such as a charging pile firmware upgrading packet and a debugging packet need to be sent, the large-flow data packet can be directly input into the root node, and the large-flow data packet is sent to a corresponding charging pile by using a switch and a router according to a corresponding charging pile identifier in the data packet. Therefore, through the charging pile tree-shaped networking structure, the charging pile cluster management with low cost and high efficiency can be realized. And because the tree-shaped structure networking mode between the above-mentioned electric pile of filling is LAN, therefore can fully ensure the communication safety who fills the electric pile cluster, avoid receiving the attack of internet.
It should be noted that one of the core technical solutions of the present invention is that election of a root node, connection between a secondary node and a child node are completed according to signal strength, so that it can be effectively ensured that the tree-like networking itself has an optimal communication network, and even under a condition of root node failure election, a newly elected root node is also an optimal networking solution.
In the invention, the root node is selected by a secondary node by adopting an enumeration method, the secondary node is selected according to the signal intensity and the data stability received by the charging pile, and the signal transmission module can establish communication connection with network cards of other charging piles. In the invention, the signal transmission module is preferably configured as a WiFi module, the WiFi module sends WiFi signals in a spatial range, and because the secondary node where the WiFi signals are located corresponds to the position of the charging pile in the charging pile cluster, the WiFi signals of the charging piles corresponding to different secondary nodes are different in strength relative to the WiFi signals induced by other secondary nodes, the root node and the child nodes. The invention uses a self-enumeration mode to select the optimal root node and establish the optimal connection mode between the child node and the secondary node, thereby ensuring that the networking network is the optimal solution of the current communication condition.
After the root node election is completed, the current root node corresponds to a wireless Access Point (AP) where WiFi signals can cover all secondary nodes, so that the root node can send information to the secondary nodes through the WiFi signals. When the secondary node works normally, wiFi signals sent by the secondary node corresponding to the charging pile can cover the secondary node, so that communication connection can be established between the secondary node and the secondary node.
The root node election method specifically comprises the following steps: the WiFi signal ring layer threshold value is set to represent the signal intensity level covered by the WiFi signal, as shown in a networking structure schematic diagram based on SIM signal intensity shown in figure 4, the circle center formed by the WiFi signal intensity level in figure 4 is taken as the original point of the WiFi signal, the signal intensity on the inner circle boundary in figure 4 is equal to the preset first ring layer threshold value of the WiFi signal, the signal intensity on the outer circle boundary in figure 4 is equal to the preset second ring layer threshold value of the WiFi signal, and the signal sensed by the charging pile in the inner circle is larger than the first ring layer threshold value of the WiFi signal. WiFi signal intensity that regional fill electric pile induction between interior circle and excircle is greater than second circle layer threshold value and be less than first circle layer threshold value. And the charging pile outside the outer circle boundary induces that the WiFi signal intensity is less than the second circle layer threshold value.
Referring to fig. 4, according to the above configuration of the circle layer threshold, signal strengths of different charging piles are marked, for example, the signal strength of the charging pile network card in the inner circle is marked as 1 to indicate that the signal is strong, the signal strength of the charging pile network card in the region between the inner circle and the outer circle is marked as 2 to indicate that the signal is medium, the charging pile network card in the region outside the outer circle is marked as 3 to indicate that the signal is weak and the charging pile cannot establish communication is marked as ∞ 。 Through the signal intensity value between every charging pile for the signal sending module. And when the root node is required to be reselected after the root node fails, calculating the signal intensity levels of the current secondary node and each of other secondary nodes under the preset division of the preset first circle layer threshold value and the preset second circle layer threshold value. And counting the sum of the signal strength levels of the current secondary node and all other secondary nodes. For eachAnd each secondary node calculates the sum of the signal strength grades of all other secondary nodes according to the method, and selects the secondary node with the minimum sum of the signal strength grades as a new root node for selection. The new root node election process enables the new root node and other secondary nodes to have good position relation and signal coverage relation, and enables the root node to cover all the secondary nodes in an optimal signal connection scheme.
It is worth mentioning that, aiming at the connection networking structure of the secondary nodes and the sub-nodes, the invention carries out matching connection according to the mutual signal strength between the secondary nodes and the sub-nodes. For example, the secondary node of the present invention sends a WiFi signal to the secondary nodes through a WiFi module, a signal strength level that can be set between each secondary node and the corresponding secondary node through the first round-layer threshold and the second round-layer threshold is calculated, a signal strength level value of each secondary node relative to each secondary node is calculated, the secondary node with the smallest signal strength level value (with the largest actual signal strength value) is preferentially accessed to the corresponding secondary node, when the signal strength level of the secondary node or the secondary node is ∞, the failure of the secondary node or the secondary nodes is indicated, the networking operation is not executed, and the tree-like networking of the entire root node, the secondary nodes and the secondary nodes is further completed according to the networking rule.
For example, when setting the first sub-node and the second sub-node, the sub-node sets the first sub-node, the second sub-node, and the third sub-node. Wherein a signal strength level between the first child node and the first secondary node is 1, a signal strength value between the first child node and the second secondary node is 2, a signal strength level between the second child node and the first secondary node is 3, and a signal strength level between the second child node and the second secondary node is 2. A signal strength level between the third child node and the first secondary node is 1, and a signal strength level between the third child node and the second secondary node is 2. Therefore, the first sub-node is accessed to the first secondary node, the second sub-node is accessed to the second secondary node, and the third sub-node is accessed to the first secondary node through a preset matching rule, so that a sub-node and secondary node connection networking with high signal intensity coverage and stable communication is formed.
In particular, according to the embodiments of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. The computer program performs the above-mentioned functions defined in the method of the present application when executed by a Central Processing Unit (CPU). It should be noted that the computer readable medium mentioned above in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wire segments, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless segments, wire segments, fiber optic cables, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
It will be understood by those skilled in the art that the embodiments of the present invention described above and illustrated in the accompanying drawings are illustrative only and not restrictive of the broad invention, and that the objects of the invention have been fully and effectively achieved and that the functional and structural principles of the present invention have been shown and described in the embodiments and that modifications and variations may be resorted to without departing from the principles described herein.
Claims (10)
1. A self-matching method for charging piles of a routing switch and a multi-way gateway is characterized by comprising the following steps:
configuring a network card for each charging pile in the charging pile cluster, and establishing the intercommunication connection between each charging pile device and other charging piles through a signal transmission module by the network card;
calculating the signal intensity between each charging pile network card and other network cards, configuring a signal intensity threshold value, and screening out a plurality of secondary nodes according to the signal intensity and the signal intensity threshold value;
selecting root nodes from the secondary nodes according to the signal intensity and an enumeration algorithm, and establishing communication connection between other secondary nodes and the root nodes;
taking charging pile network cards except secondary nodes as root nodes as child nodes, and establishing communication connection between the child nodes and the secondary nodes to construct a tree-shaped networking structure;
and managing the secondary nodes and the child nodes through the root node.
2. The method for self-matching of the charging piles of the routing switch and the multi-way gateway according to claim 1, wherein the method for networking the root node comprises the following steps: and configuring a signal transmission module, sending signal data to the charging pile cluster, reading the signal intensity of each charging pile, wherein the signal intensity comprises WiFi signal intensity and SIM card signal intensity, and screening secondary nodes according to the signal intensity data.
3. The method as claimed in claim 2, wherein a first signal strength threshold of WiFi signals and a second signal strength threshold of SIM card signals are configured respectively, and a network card in the WiFi signal strength of the charging pile that is greater than the first signal strength threshold and the SIM card signal strength that is greater than the second signal strength threshold is used as a secondary node network card.
4. The method as claimed in claim 3, wherein the network card corresponding to the charging pile with WiFi signal strength greater than the first signal strength threshold and SIM card signal strength greater than the second signal strength threshold is obtained through calculation according to the signals sent by the signal transmission module, the corresponding network card and mac address information of the charging pile are recorded, and the corresponding network card and mac address information of the charging pile are stored in a routing table for subsequent data routing.
5. The method as claimed in claim 2, wherein the signal transmission module sends WiFi signals, the WiFi signals form a signal strength circle layer in a charging pile cluster, signal circle layer thresholds with different signal strength levels are preset, data transmission stability is judged according to SIM card signals, signal strength marking is performed on each charging pile according to the signal circle layer thresholds and the data transmission stability, and election of a root node is performed according to the signal strength marking.
6. The method for self-matching of the charging pile of the routing switch and the multi-way gateway as claimed in claim 5, wherein the root node election method comprises: and according to the charging piles marked by different signal intensities, adopting an enumeration method to take the charging pile with the maximum received signal intensity and stable data transmission as a root node.
7. The method as claimed in claim 4, wherein when the root node fails, the secondary node is disconnected from the root node, the secondary root node with the maximum signal strength and stable data transmission is elected as a new root node according to the communication tag, and communication connection is established between other secondary nodes and the newly elected root node according to the routing table.
8. The self-matching method for the charging piles of the routing switch and the multi-path gateway as claimed in claim 5, wherein each secondary charging pile is configured with a signal transmission module, the signal strength between each secondary charging pile and other nearby charging piles is calculated, the signal strength level between the secondary charging pile and other charging piles is calculated according to a signal circle level threshold, a root node is determined according to the signal strength level, and an optimal tree-shaped connection networking structure is constructed according to the signal strength level between the secondary node and a child node.
9. A charging pile self-matching system for a routing switch and a multi-way gateway, characterized in that the system executes a charging pile self-matching method for a routing switch and a multi-way gateway according to any one of claims 1 to 8.
10. A computer-readable storage medium storing a computer program for executing the method for charging pile self-matching of a routing switch and a multi-way gateway according to any one of claims 1 to 8 by a processor.
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| CN202211513227.7A CN115915487A (en) | 2022-11-29 | 2022-11-29 | Charging pile self-matching method and system for routing switch and multi-way gateway |
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| CN202211513227.7A CN115915487A (en) | 2022-11-29 | 2022-11-29 | Charging pile self-matching method and system for routing switch and multi-way gateway |
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