CN114205193A - Energy efficiency thing networking gateway of remote debugging configuration - Google Patents
Energy efficiency thing networking gateway of remote debugging configuration Download PDFInfo
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- CN114205193A CN114205193A CN202210025174.8A CN202210025174A CN114205193A CN 114205193 A CN114205193 A CN 114205193A CN 202210025174 A CN202210025174 A CN 202210025174A CN 114205193 A CN114205193 A CN 114205193A
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- 238000012545 processing Methods 0.000 claims description 75
- 238000013500 data storage Methods 0.000 claims description 23
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y30/00—IoT infrastructure
- G16Y30/10—Security thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
- H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
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Abstract
An energy efficiency Internet of things gateway for remote debugging configuration relates to an Internet of things gateway. The gateway of the Internet of things is compatible with a plurality of data transmission protocols such as DL/T645, MODBUS, Q/GDW 376.1, mqtt, TCP/UDP and the like, corresponding software and hardware communication channels can be automatically selected for data transmission, the problem that different incompatible situations caused by communication mode differences are solved, data information such as comprehensive energy consumption, product unit consumption and the like required by enterprises is obtained through analysis and conversion of data, the system can be configured and updated when the system is upgraded, lower computer equipment is changed and the like, and when a network port is limited by safety level and cannot be remotely configured, remote configuration or local configuration can be selected through a local connection encryption module. The invention has simple configuration and wide applicability, and is compatible with various mainstream communication protocols. The network interface has multiple independent configurable network interfaces and is used for data forwarding interaction of a local area network and a wide area network. The multi-channel 485 interface is provided, and data interaction can be carried out with various devices at the same time.
Description
Technical Field
The invention relates to an internet of things gateway, in particular to an energy efficiency internet of things gateway configured by remote debugging.
Background
With the development of the internet of things and the emphasis of the country on the energy internet of things, the country performs further supervision and management on enterprises with larger energy consumption, issues a series of relevant standards and requirements for monitoring energy consumption aiming at key energy consumption enterprises, and monitors and supervises relevant enterprises and equipment with high energy consumption and low output. In the data acquisition process of key energy consumption units, due to different energy consumption types of enterprises and the difference between metering equipment and manufacturers, the difference between a communication interface and a communication protocol is large, multiple types of data sources need to be counted and acquired in the data integration process, and meanwhile, in the information upgrading and transformation process of the enterprises, the counting mode and the acquisition equipment need to be continuously updated and configured so as to adapt to the requirements of the enterprises, and a plurality of enterprises have high network security levels and have more limitations on the traditional remote operation and maintenance mode.
Disclosure of Invention
The invention aims to provide an energy efficiency Internet of things gateway for remote debugging and configuration. The gateway is compatible with a plurality of data transmission protocols such as DL/T645, MODBUS, Q/GDW 376.1, mqtt, TCP/UDP and the like, automatically selects corresponding software and hardware communication channels for data transmission, solves the problem that different communication modes cause different incompatible situations, obtains data information such as comprehensive energy consumption, product unit consumption and the like required by enterprises through analysis and conversion of data, configures and upgrades the system when the system is upgraded and lower computer equipment is changed, and selects remote configuration or local configuration by a local connection encryption module when a network port is limited by security level and cannot perform remote configuration.
The purpose of the invention is realized by the following technical scheme:
an energy efficiency Internet of things gateway for remote debugging configuration comprises a CPU processing chip, a network acquisition module, a data storage circuit, a real-time clock circuit, a power supply module, an encryption configuration module, a 485 module and a USB interface; the CPU processing chip is connected with the network acquisition module, the data storage circuit, the real-time clock circuit, the power supply module, the 485 module and the USB interface; the USB interface communicates with the encryption configuration module; the CPU processing circuit adopts an XC7Z020 chip as a CPU processing chip, is connected with the network acquisition module, the data storage circuit, the real-time clock circuit, the power supply module, the USB interface and the 485 module, processes and analyzes data information provided by the network acquisition module and the 485 module, is connected with the encryption configuration module through the USB interface, compares the CPU processing chip with authentication information of the encryption configuration module through a built-in SHA256 algorithm and a key, reads the configuration information to a storage chip of the storage circuit after the authentication is passed, and reconfigures an interface protocol and parameters of the gateway of the Internet of things; when the gateway of the internet of things cannot acquire configuration information through an RJ45 interface of a network acquisition module, the gateway of the internet of things is accessed to an encryption configuration module and performs encryption authentication communication with a CPU processing circuit through a USB interface, a u9507C4G transceiver module is used for remote configuration after authentication, the CPU processing circuit firstly sends a calculation MAC command to an ATSHA204A through the USB interface and an stm32F103 processing chip, the latter returns a result C1 of MAC calculation, the CPU processing circuit acquires a Tempkey inside the CPU processing circuit from the encryption configuration module and then calculates a C2 through an SHA256 algorithm, a secret key, the Tempkey and a serial number which are built in the CPU processing circuit, and when the C2 is equal to the C1, the gateway of the internet of things starts to complete data interaction with an encryption configuration module 6.
According to the energy efficiency Internet of things gateway capable of being remotely debugged and configured, the network acquisition module and the 485 module extract data to the data storage circuit according to the processing result, and the network acquisition module is identified, and configuration parameters of the encryption configuration module are identified through the USB interface to reconfigure network parameters, acquisition protocols and other system configuration parameters of the Internet of things gateway.
According to the energy efficiency Internet of things gateway with remote debugging configuration, the network acquisition module adopts 3 rtl8211 network chips and is connected with a CPU processing circuit, and 3 RJ45 interfaces are provided with independent MAC + PHY (media access control + physical layer), and network configuration parameters are configured and managed through the CPU processing circuit and are used for receiving and sending related data from a local area network and an Ethernet.
According to the energy efficiency Internet of things gateway configured by remote debugging, the data storage circuit adopts SDINBDA4-64G to store parameters and data, Flash management including error detection and correction, Flash average erasing and writing, bad block management and power failure protection is achieved, and meanwhile the high-speed storage characteristic is beneficial to providing system performance and real-time storage of data.
According to the energy efficiency Internet of things gateway configured by remote debugging, the real-time clock circuit is 8025T used as an external clock, and a super capacitor is adopted for supplying power.
According to the energy efficiency Internet of things gateway with remote debugging and configuration, the power supply module comprises 2 LDO voltage-stabilized power supplies and is used for providing 5V and 3.3V direct-current power supplies for the modules.
The encryption configuration module adopts an ATSHA204A encryption chip, a stm32F103 processing chip, a u9507c4G transceiver module and a USB interface; the gateway is accessed to the encryption configuration module, the stm32F103 processing chip and the USB interface when the gateway cannot acquire configuration information through the RJ45 interface of the network acquisition module, and is used for encryption authentication communication between the encryption configuration module and the CPU processing circuit; the u9507c4G transceiver module is used for authenticated remote configuration; the CPU processing circuit firstly sends a calculation MAC instruction to the ATSHA204A through the USB interface and the stm32F103 processing chip, the latter returns a result C1 of MAC calculation, the CPU processing circuit acquires a Tempkey inside the CPU processing circuit from the encryption configuration module, then calculates C2 through parameters such as SHA256 algorithm, a key, the Tempkey, a serial number and the like which are arranged in the CPU processing circuit, and starts to perform data interaction with the encryption configuration module after C2 is equal to C1.
According to the energy efficiency Internet of things gateway configured by remote debugging, the 485 module comprises 6 485 level conversion chips and an external circuit, the CPU processing circuit controls the 485 level conversion chip to perform downlink data interaction with a metering device to be acquired, and lower computer information to be acquired is acquired.
According to the energy efficiency Internet of things gateway capable of being remotely debugged and configured, the USB interface is used for data interaction with the encryption configuration module.
The invention has the advantages and effects that:
1. the invention has simple configuration and wide applicability, and is compatible with various mainstream communication protocols.
2. The invention has a plurality of paths of network ports which are independently configured and used for data forwarding interaction of a local area network and a wide area network.
3. The invention has a plurality of interfaces 485 and can simultaneously carry out data interaction with various devices.
4. The invention adopts SHA256 encryption algorithm to identify remote configuration information, can not reversely crack the secret key, and ensures the information security of the gateway of the Internet of things.
5. The invention adopts the eMMC for data storage, has larger memory, reduces the appearance volume of the gateway of the Internet of things and improves the data storage speed.
6. The gateway of the internet of things performs parameter and protocol configuration while ensuring the safety of a system and a local network after a firewall disables remote services such as SSH (secure Shell).
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a flow chart of the present invention.
The components in the figure: 1. the system comprises a CPU processing circuit 2, a network acquisition module 3, a data storage circuit 4, a real-time clock circuit 5, a power supply module 6, an encryption configuration module 7.485, a module 8 and a USB interface.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings.
The invention obtains network configuration information and protocol stack information of each port through the storage circuit 3 by the CPU processing circuit 1, processes and analyzes message information received by the network acquisition module 2 and the 485 module 7, performs data transfer through the data storage circuit 3, obtains a clock of the real-time clock circuit 4, and then reports various data and parameters to a corresponding opposite receiving port through the network acquisition module 2 by an uplink data protocol stack. The CPU processing circuit 1 is connected to the encryption configuration module 6 through a USB interface 8, and remote parameter configuration can be carried out through a 4G module of the encryption configuration module 6 after identification and authentication.
The invention comprises a CPU processing circuit 1, a network acquisition module 2, a data storage circuit 3, a real-time clock circuit 4, a power supply module 5, an encryption configuration module 6, a 485 module 7 and a USB interface 8.
In the gateway of the internet of things, a CPU processing circuit 1 adopts XC7Z020 as a CPU, and is connected with a network acquisition module 2, a data storage circuit 3, a real-time clock circuit 4, a power supply module 5, a USB interface 8 and a 485 module 7, the USB interface 8 is connected with an encryption configuration module 6, after the CPU processing circuit 1 is powered on, the CPU processing circuit initializes a serial port, a clock, a timer, an SPI bus, an IIC bus and various peripheral modules, initializes an LINUX operating system and related services, reads parameter information in the data storage circuit 3, configures the network acquisition module 2 and the 485 module 7, initializes 8025T of the real-time clock circuit 4, and provides a clock mark for electric energy information of the gateway of the internet of things. RNrtl8211 in the network acquisition module 2 reads information from an opposite terminal network stored by an RJ45 interface and the data storage circuit 3, loads a corresponding protocol stack, and transmits or stores data obtained after interaction with the opposite terminal to the data storage circuit 3 by the CPU processing circuit 1, and transmits or stores data obtained after interaction with downlink data by the 485 module 7 after loading the corresponding protocol stack to the data storage circuit 3 by the CPU processing circuit 1. The gateway of the internet of things can be accessed to the encryption configuration module 6 when configuration information cannot be acquired through the RJ45 interface of the network acquisition module 2, encryption authentication communication with the CPU processing circuit 1 is achieved through the USB interface, the u9507C4G transceiver module is used for remote configuration after authentication, the CPU processing circuit 1 firstly sends a calculation MAC instruction to the ATSHA204A through the USB interface and the stm32F103 processing chip, the calculation MAC instruction returns a result C1 of MAC calculation, the CPU processing circuit 1 acquires a Tempkey inside the encryption configuration module 6, then calculates C2 through parameters such as an SHA256 algorithm, a key, the Tempkey and a serial number which are arranged in the CPU processing circuit 1, and starts data interaction with the encryption configuration module 6 after C2 is equal to C1.
The CPU processing circuit 1 XC7Z020 chip processes and analyzes data information provided by the network acquisition module 2 and the 485 module 7, is connected with the encryption configuration module 6 through a USB interface 8, compares the data information with authentication information of the encryption configuration module 6 through a built-in SHA256 algorithm and a key, reads the configuration information to a storage chip of the storage circuit 3 after the authentication is passed, and reconfigures an interface protocol and parameters of the gateway of the Internet of things.
The network acquisition module 2 adopts 3 rtl8211 network chips, is respectively connected with the CPU processing circuit 1 through 4 paths of ETH _ RXD and 4 paths of ETH _ TXD signal lines, is respectively connected with the CPU processing circuit 1 through ETH _ clk, ETH _ Rxdck, ETH _ Txdck, ETH _ Rxdctl, ETH _ Txdcl, ETH _ MDIO signal lines, is respectively connected with 3 RJ45 interfaces through 4 groups of ETHB _ TDP and ETHB _ TDN, configures and manages network parameters such as IP and gateways through the CPU processing circuit 1, is connected with a database and a network protocol port in a local area network and a wide area network through an RJ45 interface, acquires a corresponding protocol stack static library through the data storage circuit 3, and converts and classifies the read data information.
The DATA storage circuit 3 adopts SDI NBDA4-64g to store parameters and DATA files, and is connected with the CPU processing circuit 1 through SDI _ CLK, SDI _ RST, SDI _ CLK, SDI _ CMD and 8 SDI _ DATA signal lines and responsible for storing the parameters and the DATA.
The real-time clock circuit 4 takes 8025T as an external clock, is connected with the CPU processing circuit 1 through clk and sda signal wire lines, supplies power by adopting a 3.3F super capacitor, and is responsible for providing a clock for a time zone period measured by the gateway of the Internet of things.
The power module 5 comprises a 5VLDO (very low voltage tolerant oxide) stabilized power supply module and a 3.3VLDO stabilized power supply module, and provides power supplies of all levels for the gateway of the Internet of things.
The encryption configuration module 6 is composed of an ATSHA204A encryption chip, an stm32F103 processing chip, a u9507c4G transceiver module and a USB interface, the CPU processing circuit 1 is connected with the USB interface 8, the ATSHA204A is connected with the stm32F103 processing chip through an IIC bus, the u9507c4G transceiver module is connected with the stm32F103 processing chip through an RXT and a TXD serial bus, the stm32F103 is connected with the USB interface through a USBd + and a USBd-, and parameters such as a network parameter configuration file, a protocol stack static library and the like are downloaded to the data storage circuit 3 through a file management system of the CPU processing circuit 1 after the CPU processing circuit 1 is authenticated.
The 485 module 7 comprises 6 485 level conversion chips and external circuits, which are respectively connected with the CPU processing circuit 1 through TXD and RXD buses, and connected with the acquisition equipment through 485A and 485B buses to perform downlink data interaction.
The USB interface 8 includes 1 CP2104 connected to the CPU processing circuit 1 via TXD and RXD, and connected to the encryption configuration module 6 via USBd + and USBd-.
Claims (9)
1. The energy efficiency Internet of things gateway for remote debugging configuration is characterized by comprising a CPU (Central processing Unit) processing chip (1), a network acquisition module (2), a data storage circuit (3), a real-time clock circuit (4), a power supply module (5), an encryption configuration module (6), a 485 module (7) and a USB (universal serial bus) interface (8); the CPU processing chip (1) is connected with the network acquisition module (2), the data storage circuit (3), the real-time clock circuit (4), the power module (5), the 485 module (7) and the USB interface (8); the USB interface (8) is in communication connection with the encryption configuration module (6); the CPU processing circuit (1) adopts an XC7Z020 chip as a CPU processing chip and is connected with the network acquisition module (2), the data storage circuit (3), the real-time clock circuit (4), the power module (5), the USB interface (8) and the 485 module (7); the data information provided by the processing and analyzing network acquisition module (2) and the 485 module (7) is connected with the encryption configuration module (6) through a USB interface (8); the CPU processing chip compares the built-in SHA256 algorithm and the secret key with the authentication information of the encryption configuration module (6), and reads the configuration information to the storage chip of the storage circuit (3) to reconfigure the interface protocol and parameters of the gateway of the Internet of things after the authentication is passed; the gateway of the Internet of things accesses the encryption configuration module (6) when the gateway of the Internet of things cannot acquire configuration information through an RJ45 interface of the network acquisition module (2); the USB interface is connected with the encryption authentication communication of the CPU processing circuit (1); the u9507C4G transceiver module is used for remote configuration after authentication, the CPU processing circuit (1) firstly sends a command for calculating MAC to the ATSHA204A through the USB interface and the stm32F103 processing chip, and the latter returns a result C1 of MAC calculation; the CPU processing circuit (1) acquires the Tempkey in the encryption configuration module (6), calculates C2 through the SHA256 algorithm, the key, the Tempkey and the serial number which are built in the CPU processing circuit (1), and starts to complete data interconnection with the encryption configuration module (6) after C2 is equal to C1.
2. The energy efficiency internet of things gateway capable of being debugged and configured remotely according to claim 1, wherein the network acquisition module (2) and the 485 module (7) extract data to the data storage circuit (3) according to the processing result, identify the network acquisition module (2) and identify the configuration parameters of the encryption configuration module (6) through the USB interface to reconfigure the network parameters, the acquisition protocol and other system configuration parameters of the internet of things gateway.
3. The energy efficiency internet of things gateway of claim 2, wherein the network acquisition module (2) is connected to the CPU processing circuit (1) by using 3 rtl8211 network chips, and 3 RJ45 interfaces with independent MAC + PHY interfaces, and configures and manages network configuration parameters through the CPU processing circuit (1) for receiving and transmitting related data from the lan and the ethernet.
4. The energy-efficient internet-of-things gateway of claim 1, wherein the gateway is configured to debug the energy-efficient internet-of-things remotely
The data storage circuit (3) adopts SDINBDA4-64G to store parameters and data, has Flash management including error detection and correction, Flash average erasing, bad block management and power-down protection, and has high-speed storage characteristics which are helpful for providing system performance and real-time storage of data.
5. The energy efficiency internet of things gateway of claim 1, wherein the real-time clock circuit (4) is powered by a super capacitor with 8025T as an external clock.
6. The energy efficiency internet of things gateway of claim 1, wherein the power module (5) comprises 2 LDO regulated power supplies and is used for providing 5V and 3.3V direct current power supplies for the modules.
7. The energy-efficient internet-of-things gateway of remote debugging configuration of claim 1, characterized in that said encryption configuration module (6) employs an ATSHA204A encryption chip, stm32F103 processing chip, u9507c4G transceiver module and USB interface; the gateway is accessed to the encryption configuration module (6), the stm32F103 processing chip and the USB interface when the gateway cannot acquire configuration information through the RJ45 interface of the network acquisition module (2), and is used for encryption authentication communication between the encryption configuration module (6) and the CPU processing circuit (1); the u9507c4G transceiver module is used for authenticated remote configuration; the CPU processing circuit (1) firstly sends a calculation MAC instruction to the ATSHA204A through a USB interface and a stm32F103 processing chip, the latter returns a result C1 of MAC calculation, the CPU processing circuit (1) acquires a Tempkey inside the CPU processing circuit to the encryption configuration module (6), then calculates C2 through parameters such as a SHA256 algorithm, a key, the Tempkey and a serial number which are built in the CPU processing circuit (1), and starts to perform data interaction with the encryption configuration module (6) when the C2 is equal to the C1.
8. The energy efficiency internet of things gateway capable of being remotely debugged and configured according to claim 1, wherein the 485 module (7) comprises 6 485 level conversion chips and an external circuit, and the CPU processing circuit (1) controls the 485 module to perform downlink data interaction with a metering device to be acquired, so as to acquire lower computer information to be acquired.
9. The energy-efficient internet of things gateway of a remote commissioning configuration as claimed in claim 1 wherein said USB interface (8) is used for data interaction with the cryptographic configuration module (6).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115277867A (en) * | 2022-06-23 | 2022-11-01 | 青岛东软载波科技股份有限公司 | Collector and electric power communication method and system of Modbus protocol equipment based on collector |
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| CN103139058A (en) * | 2013-01-28 | 2013-06-05 | 公安部第一研究所 | Internet of things security access gateway |
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| WO2021253366A1 (en) * | 2020-06-16 | 2021-12-23 | 北京京投信安科技发展有限公司 | Switch encryption system |
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2022
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| CN101252463A (en) * | 2008-04-22 | 2008-08-27 | 中国电信股份有限公司 | System and method for collocating traffic parameter |
| CN103139058A (en) * | 2013-01-28 | 2013-06-05 | 公安部第一研究所 | Internet of things security access gateway |
| CN106790605A (en) * | 2016-12-29 | 2017-05-31 | 深圳新基点智能股份有限公司 | A kind of things-internet gateway system and its implementation |
| WO2021253366A1 (en) * | 2020-06-16 | 2021-12-23 | 北京京投信安科技发展有限公司 | Switch encryption system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115277867A (en) * | 2022-06-23 | 2022-11-01 | 青岛东软载波科技股份有限公司 | Collector and electric power communication method and system of Modbus protocol equipment based on collector |
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| CN114205193B (en) | 2024-10-08 |
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