CN214338136U - Heterogeneous networking architecture of wireless private network of electric power based on loRa WAN - Google Patents
Heterogeneous networking architecture of wireless private network of electric power based on loRa WAN Download PDFInfo
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- CN214338136U CN214338136U CN202023024117.3U CN202023024117U CN214338136U CN 214338136 U CN214338136 U CN 214338136U CN 202023024117 U CN202023024117 U CN 202023024117U CN 214338136 U CN214338136 U CN 214338136U
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Abstract
The embodiment of the utility model provides a heterogeneous network deployment structure of wireless private network of electric power based on loRa WAN belongs to electric power thing networking field. The heterogeneous networking architecture of wireless private network of electric power based on loRa WAN includes: the main communication link is formed by sequentially connecting an Internet of things monitoring cloud platform, a security encryption isolation gateway, a communication front-end processor, a firewall and an MEC server; a plurality of base stations star-connected to the MEC server at the end of the primary communication link; each base station is star-connected with a plurality of terminals. The utility model discloses an fuse the advantage of current various communication techniques, fuse the communication mode of difference together for data transmission is high-efficient safe.
Description
Technical Field
The utility model relates to an electric power thing networking field specifically relates to a heterogeneous network deployment structure of wireless private network of electric power based on loRa WAN.
Background
In order to strengthen the intellectualization of the power grid, the ubiquitous concept of the power internet of things is gradually deepened. The ubiquitous power internet of things is an intelligent service system which fully applies modern information technologies such as mobile interconnection, artificial intelligence and the like and advanced communication technologies around each link of a power system, realizes the mutual object interconnection and man-machine interaction of each link of the power system, has the characteristics of comprehensive state sensing, efficient information processing and convenient and flexible application, and comprises a sensing layer, a network layer, a platform layer and an application layer. In order to improve the universality of power grid information acquisition and the safety of data transmission, the existing communication technology has many defects. For example, the technical disclosure and chip protocol of micro-power wireless communication technologies such as high cost and single access of optical fiber communication, Long Range Radio (LoRa), and the like, and the instability of power carrier communication. Although the development of the communication technologies is relatively mature, the universality of power grid information acquisition and the safety of data transmission cannot be considered at the same time.
Aiming at the problem that the prior art cannot be singly adapted and support the information acquisition and network transmission requirements of the ubiquitous power internet of things, a power wireless private network heterogeneous networking architecture which integrates communication technologies such as a 5G public network/virtual park, LoRa, LTE (Long Term Evolution ) and MEC (Multi-access Edge Computing) needs to be created.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a purpose provides a heterogeneous network deployment structure of wireless private network of electric power based on loRa WAN, this network deployment structure has fused communication technologies such as integration 5G public network/virtual garden, loRa, LTE and MEC, has solved the unable single adaptation of prior art and has supported the problem that information acquisition and network transmission required of the ubiquitous electric power thing networking.
In order to achieve the above object, an embodiment of the present invention provides a heterogeneous networking architecture of wireless private network of electric power based on LoRa WAN, the heterogeneous networking architecture of wireless private network of electric power based on LoRa WAN includes: the main communication link is formed by sequentially connecting an Internet of things monitoring cloud platform, a security encryption isolation gateway, a communication front-end processor, a firewall and an MEC server; a plurality of base stations star-connected to the MEC server at the end of the primary communication link; each base station is star-connected with a plurality of terminals.
Optionally, data transmission channels from the internet of things monitoring cloud platform to the plurality of terminals are bidirectional transmission channels.
Optionally, the thing allies oneself with monitoring cloud platform with a plurality of terminals all include the encryption chip that is used for encrypting data for loRa wireless signal and are used for deciphering loRa wireless signal's decryption chip.
Optionally, when the data transmission direction is by thing allies oneself with monitoring cloud platform extremely when the terminal, the cloud platform data of thing allies oneself with monitoring cloud platform by the encryption chip of thing allies oneself with monitoring cloud platform encrypts to cloud platform data loRa radio signal, cloud platform data loRa radio signal pass through main communication link transmit to with the base station that the MEC server star type at the end of main communication link is connected after by this base station transmission to all terminals that correspond with this base station and be connected, by the deciphering chip at terminal is to cloud platform data loRa radio signal deciphers.
Optionally, when the data transmission direction is by the terminal extremely during thing allies oneself with monitoring cloud platform, the data that the terminal was gathered by the encryption chip at terminal encrypts into terminal data loRa radio signal, terminal data loRa radio signal passes through all base stations that the terminal corresponds the connection transmit extremely behind the main communication link transmit to thing allies oneself with monitoring cloud platform, by thing allies oneself with monitoring cloud platform's decryption chip is right terminal data loRa radio signal decrypts.
Optionally, each base station establishes a communication connection with a plurality of terminals, and each terminal establishes a communication connection with a plurality of base stations.
Optionally, the terminal includes a sensor module for local data acquisition.
Optionally, the terminal further includes a communication module, where the communication module is configured to transmit the local data to all base stations correspondingly connected to the terminal.
Optionally, a communication mode between the base station and the MEC server is a wired private network.
Optionally, the communication front-end processor is a communication medium between the firewall and the security encryption isolation gateway.
Through the technical scheme, the heterogeneous networking architecture of the wireless private network of electric power based on the LoRa WAN makes full use of the advantages of the existing various communication technologies, and different communication modes are integrated, so that data transmission is efficient and safe. The intelligent information transmission system can meet various high requirements of information transmission, is beneficial to integration and optimization of information transmission resources, realizes unified access of relevant information such as online monitoring data and visual information of the power transmission line, and is a powerful technical support for intelligent construction of the power transmission line.
Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.
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The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a heterogeneous networking architecture of a wireless private network of electric power based on a LoRa WAN according to an embodiment of the present invention.
Description of the reference numerals
10-an internet of things monitoring cloud platform; 20-secure encrypted isolated gateway; 30-a communication front-end processor; 40-a firewall; 50-MEC server; 60-a base station; 70-terminal.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a heterogeneous wireless private network infrastructure based on an LoRa WAN, where the heterogeneous wireless private network infrastructure based on the LoRa WAN includes: the main communication link is formed by sequentially connecting an internet of things monitoring cloud platform 10, a security encryption isolation gateway 20, a communication front-end processor 30, a firewall 40 and an MEC server 50; and a plurality of base stations 60 connected in a star along the MEC server 50 at the end of the main communication link; and a plurality of terminals 70 connected in a star shape per base station 60.
Preferably, the data transmission channel from the internet of things monitoring cloud platform 10 to the terminal 70 is a bidirectional transmission channel.
The embodiment of the utility model provides an in, in smart power grids, want to realize electric wire netting information acquisition and information collection's network transmission, the unable single realization of prior art, so have to adopt techniques such as 5G public network/virtual garden, loRa, LTE and MEC to fuse and go on or go on through optic fibre in many-sided. The control difficulty can be greatly improved by a method of fusing technologies such as a 5G public network/virtual park, LoRa, LTE, MEC and the like, the standards and safety performance of all communication technologies are greatly different, and the power grid information is very easy to attack during power grid information transmission, so that power grid information leakage is caused, and the probability of malicious attack on the power grid is increased. If optical fiber communication is used, on one hand, the assumption of a long-distance optical fiber circuit can greatly increase the network construction cost; on the other hand, it is difficult to access the quantized terminal 70, resulting in incomplete information collection and reception. Through the heterogeneous networking of wireless private network of electric power based on LoRaWAN of framework, combine electric wire netting information acquisition and information security transmission, encrypt the information of gathering, transmit the information security of encrypting to thing allies oneself with monitoring cloud platform 10 or terminal 70, under the prerequisite of guaranteeing low loss, remote safe information transmission that carries on. Through the whole two-way communication channel of the communication link, no matter the data of the internet of things monitoring cloud platform 10 is transmitted to the terminal 70, or the data collected by the terminal 70 is transmitted to the internet of things monitoring cloud platform 10, information encryption and transmission can be carried out, the two-way information communication of the same link is guaranteed, the use efficiency of the communication link is improved, and the assumed cost of the system is reduced.
Preferably, the internet of things monitoring cloud platform 10 and the terminal 70 both include an encryption chip and a decryption chip for encrypting data into an LoRa wireless signal and decrypting the LoRa wireless signal.
In the embodiment of the present invention, in order to realize the secure transmission of the power grid information, it is preferable that the data transmitted in the communication link is encrypted data, and only the internet of things monitoring cloud platform 10 and the target terminal 70 have the correct secret key. The internet of things monitoring cloud platform 10 and the target terminal 70 encrypt and decrypt related data through a shared correct key, wherein the internet of things monitoring cloud platform 10 and the terminal 70 both have an encryption chip and a decryption chip for encrypting data into a LoRa wireless signal and decrypting the LoRa wireless signal, in order to effectively encrypt data into LoRa protocol encrypted data, preferably, the encryption chip and the decryption chip of the internet of things monitoring cloud platform 10 and the terminal 70 both include a LoRa encryption protocol, and the encryption and decryption of data are performed through the LoRa encryption protocol. The encryption chip of the terminal 70 is used for encrypting data to be transmitted to the cloud platform of the internet of things terminal 70 into LoRa protocol encrypted data, and then the data are sequentially transmitted to the internet of things monitoring cloud platform 10 through the base station 60, the MEC server 50, the firewall 40, the communication front-end processor 30 and the security isolation encryption gateway, and then the decryption chip of the internet of things monitoring cloud platform 10 decrypts the LoRa protocol encrypted data through the shared correct key to obtain complete data information. On the contrary, if the internet of things monitoring cloud platform 10 needs to issue specific data to the target terminal 70, the encryption chip of the internet of things monitoring cloud platform 10 performs encryption work of issued data, and the decryption chip of the target terminal 70 performs decryption work of data, so as to obtain complete issued data.
Preferably, when the data transmission direction is from the terminal 70 to the internet of things monitoring cloud platform 10, the encryption chip of the terminal 70 encrypts the data acquired by the terminal 70 into a terminal 70 data LoRa wireless signal, and transmits the terminal 70 data LoRa wireless signal to the internet of things monitoring cloud platform 10 sequentially through the base station 60 and the main communication link, so that the decryption chip of the internet of things monitoring cloud platform 10 decrypts the end data LoRa wireless signal.
The embodiment of the utility model provides an in, a plurality of terminals 70 encrypt the data of gathering through loRa agreement and encryption chip and encrypt for a plurality of loRa radio signal that encrypt, then transmit a plurality of loRa radio signal that encrypt to the basic station 60 that corresponds the connection. The base station 60 aggregates the plurality of encrypted LoRa wireless signals and wirelessly transmits to its correspondingly connected MEC server 50. The MEC server 50 collects the encrypted LoRa wireless signals sent by the base station 60, transmits the encrypted LoRa wireless signals to the firewall 40, and the firewall 40 performs a plurality of protective measures for isolating the encrypted LoRa wireless signal information and increasing the information according to other characteristic information after the ip address of the encrypted LoRa wireless signals, and transmits the isolated encrypted LoRa wireless signals to the security encryption isolation gateway 20 through the communication front-end processor. The communication prepositioner is used as a data transmission medium of the firewall 40 and the security encryption isolation gateway 20, and transmits the isolated encrypted LoRa wireless signal to the security encryption isolation gateway 20. The security encryption isolation gateway 20 primarily decrypts the encrypted LoRa wireless signal, and transmits decryption information to the internet of things monitoring cloud platform 10, and the internet of things monitoring cloud platform 10 further decrypts the decryption information through the LoRa encryption protocol and a shared key of the terminal 70, so as to obtain complete collected data, and arranges and analyzes the collected data, so as to obtain real-time state information of the power grid.
Preferably, when the data transmission direction is from the terminal 70 to the internet of things monitoring cloud platform 10, the encryption chip of the terminal 70 encrypts the data acquired by the terminal 70 into a terminal 70 data LoRa wireless signal, and transmits the terminal 70 data LoRa wireless signal to the internet of things monitoring cloud platform 10 sequentially through the base station 60 and the main communication link, so that the decryption chip of the internet of things monitoring cloud platform 10 decrypts the end data LoRa wireless signal.
The embodiment of the utility model provides an in, do with above-mentioned data transmission direction terminal 70 arrives thing allies oneself with monitoring cloud platform 10 is opposite, data origin is thing allies oneself with terminal 70 cloud platform, thing allies oneself with terminal 70 cloud platform carries out the data encryption that needs to be issued through encryption chip and loRa encryption protocol, then further encrypt via safe encryption isolation gateway 20, in proper order through communication front-end processor 30, prevent hot wall 40, MEC server 50 and base station 60, distribute encrypted data to corresponding terminal 70 department, correspond terminal 70 and decrypt including the encryption loRa radio signal who issues data, obtain complete issue data, according to issuing the operation that data execution corresponds.
Preferably, one base station 60 establishes communication connections with a plurality of terminals 70; one terminal 70 also simultaneously establishes communication connections with a plurality of base stations 60.
In the embodiment of the present invention, in order to avoid the problem that the internet of things monitoring cloud platform 10 cannot accurately know the power grid condition when the terminal 70 or the base station 60 fails, it is preferable to set one base station 60 to establish communication connection with a plurality of terminals 70; one terminal 70 also simultaneously establishes communication connections with a plurality of base stations 60. One base station 60 is connected with all the terminals 70 in the communication range, and when data acquisition is performed, the acquisition information of all the terminals 70 in the communication range is summarized, and if a certain terminal 70 breaks down, other terminals 70 also exist for acquiring data, so that the whole system cannot be broken down due to the failure of a single terminal 70. Similarly, if there may be multiple base stations 60 in the communication range of a terminal 70, the terminal 70 establishes connection with all base stations 60 in its communication range, and simultaneously transmits the collected data to all base stations 60 connected thereto when performing data collection and uploading. Even if a certain base station 60 fails, other base stations 60 receive data sent by the terminal 70 within the range of the failed base station 60, so that the problem that the data collected by the terminal 70 cannot be uploaded due to the failure of the base station 60 is avoided.
Preferably, the terminal 70 includes a sensor module for local data collection.
The embodiment of the utility model provides an in, carry out electric wire netting state and examine time measuring, need gather real-time state information, report on real-time state information thing allies oneself with monitoring cloud platform 10, thing allies oneself with monitoring cloud platform 10 judges whether the real-time status of electric wire netting exists unusually according to these state information. Preferably, the status information includes at least: weather, tilt, temperature, sag, current, resistance, and distance. Accordingly, it is desirable to perform accurate collection of such information, and it is preferable that the terminal 70 be provided with a corresponding sensor module for collection of such information. For example, tilt sensors for detecting a tilt, temperature sensors for detecting a temperature, sag displacement sensors for detecting a sag, and current sensors for detecting a current. The terminal 70 collects power grid information through the sensor modules corresponding to various data, and then sends the collected information to all the base stations 60 correspondingly connected, so that the data transmission safety performance of the management efficiency of the power grid is improved.
Preferably, the terminal 70 further includes a communication module, configured to transmit the local data to all base stations 60 to which the terminal 70 is correspondingly connected.
The embodiment of the utility model provides an in, terminal 70 includes the communication module to corresponding all base stations 60 of connecting with local data transmission, and is preferred, and communication mode between communication module and the base station 60 follows the low-power consumption local area network wireless standard that loRa provided, can provide under same consumption condition than the distance that other wireless modes propagated farther, and this kind of communication mode more is adapted to the supervision of remote electric wire netting, under the base station 60 cover as far as possible, accomplishes the supervision to the remote area electric wire netting.
Preferably, the communication mode between the base station 60 and the MEC server 50 is a wired private network.
The embodiment of the utility model provides an in, can cause very serious problem such as electric wire netting paralysis when electric power system is maliciously attacked, so in order to avoid data transmission process total electric wire netting data by maliciously intercepting, lead to the electric wire netting to be attacked. Preferably, the communication mode between the base station 60 and the MEC server 50 is a wired private network, which is different from an external network, and an independent private network is set for transmitting the power grid data, so as to avoid the power grid information leakage caused by intercepting the power grid information by an external network malicious attack program.
Preferably, the communication front-end 30 is a communication medium between the firewall 40 and the security encryption isolation gateway 20.
The above describes in detail optional implementation manners of embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details in the above implementation manners, and in the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.
Those skilled in the art will understand that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, various different implementation manners of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should be considered as the disclosure of the embodiments of the present invention.
Claims (10)
1. The utility model provides a heterogeneous networking architecture of electric power wireless private network based on loRa WAN which characterized in that, the heterogeneous networking architecture of electric power wireless private network based on loRa WAN includes:
the main communication link is formed by sequentially connecting an Internet of things monitoring cloud platform, a security encryption isolation gateway, a communication front-end processor, a firewall and an MEC server;
a plurality of base stations star-connected to the MEC server at the end of the primary communication link; each base station is star-connected with a plurality of terminals.
2. The LoRa WAN-based power wireless private network heterogeneous networking architecture of claim 1, wherein data transmission channels from the internet of things monitoring cloud platform to the plurality of terminals are bidirectional transmission channels.
3. The heterogeneous networking architecture of LoRa WAN-based wireless private power network of claim 2, wherein the internet of things monitoring cloud platform and the plurality of terminals each comprise an encryption chip for encrypting data into LoRa wireless signals and a decryption chip for decrypting the LoRa wireless signals.
4. The heterogeneous networking architecture of electric power wireless private network based on LoRa WAN of claim 3, wherein when the data transmission direction is from the internet of things monitoring cloud platform to the terminal, the cloud platform data of the internet of things monitoring cloud platform is encrypted by an encryption chip of the internet of things monitoring cloud platform into cloud platform data LoRa wireless signals, the cloud platform data LoRa wireless signals are transmitted to the base station in star connection with the MEC server at the end of the main communication link through the main communication link and then transmitted to all terminals correspondingly connected with the base station through the base station, and the cloud platform data LoRa wireless signals are decrypted by a decryption chip of the terminal.
5. The heterogeneous networking architecture of electric power wireless private network based on LoRa WAN of claim 3, wherein when the data transmission direction is from the terminal to the internet of things monitoring cloud platform, the data collected by the terminal is encrypted by an encryption chip of the terminal into a terminal data LoRa wireless signal, the terminal data LoRa wireless signal is transmitted to the internet of things monitoring cloud platform after being transmitted to the main communication link through all base stations correspondingly connected to the terminal, and the terminal data LoRa wireless signal is decrypted by a decryption chip of the internet of things monitoring cloud platform.
6. The heterogeneous networking architecture of the LoRa WAN-based wireless private power network of claim 1, wherein each base station is communicatively coupled to a plurality of terminals, and each terminal is communicatively coupled to a plurality of base stations.
7. The LoRa WAN-based power wireless private network heterogeneous networking architecture of claim 6, wherein the terminal comprises a sensor module for local data collection.
8. The heterogeneous networking architecture of the wireless private network of the LoRa WAN-based power station of claim 7, wherein the terminal further comprises a communication module, and the communication module is configured to transmit the local data to all base stations to which the terminal is correspondingly connected.
9. The heterogeneous networking architecture of the wireless private network of electric power based on LoRa WAN of claim 1, wherein the communication mode between the base station and the MEC server is a wired private network form.
10. The LoRa WAN-based power wireless private network heterogeneous networking architecture of claim 1, wherein the communication front-end processor is a communication medium between the firewall and the security encryption isolation gateway.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114125754A (en) * | 2021-11-17 | 2022-03-01 | 贵州电网有限责任公司 | LoRa Internet of things networking structure and method suitable for monitoring electricity consumption in tourist area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114125754A (en) * | 2021-11-17 | 2022-03-01 | 贵州电网有限责任公司 | LoRa Internet of things networking structure and method suitable for monitoring electricity consumption in tourist area |
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