CN112363976A - Electric energy meter scheme design based on 5G communication technology - Google Patents
Electric energy meter scheme design based on 5G communication technology Download PDFInfo
- Publication number
- CN112363976A CN112363976A CN202011238221.4A CN202011238221A CN112363976A CN 112363976 A CN112363976 A CN 112363976A CN 202011238221 A CN202011238221 A CN 202011238221A CN 112363976 A CN112363976 A CN 112363976A
- Authority
- CN
- China
- Prior art keywords
- module
- electric energy
- energy meter
- metering
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0038—System on Chip
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses a design scheme of a 5G electric energy meter, which comprises a metering module, a control module and an extensible 5G communication module, has local communication modes such as Bluetooth, WIFI and RJ45 besides the metering function, has functions of temperature and humidity, installation positioning and displacement monitoring, supports the acquisition and management of electric energy original data, can upload the sampling and sensing data of the electric energy meter to a master station in real time by utilizing the characteristics of high bandwidth, low time delay and high-density connection of 5G communication, and realizes the calculation and analysis of the electric energy meter data acquisition by utilizing the calculation resources of the master station.
Description
Technical Field
The invention relates to an electric energy meter scheme design based on a 5G communication technology.
Background
The fifth generation mobile communication (5G) has become a hot spot in global communication development, and 5G provides a bandwidth of 10Gbps or more, millisecond-level delay, and ultra-high density connection with a completely new network architecture, thereby realizing new jump of network performance. The 5G smart grid innovation trial is developed by companies such as Huashi in 2018, the application of the 5G smart grid for commercial use is realized, a '5G power application white paper' is released, and corresponding 5G trial application work is developed on national power grids and southern power grids from 2018. The traditional electric energy meter uplink channel mainly comprises narrow-band carrier communication, HPLC and a wireless public network, is limited by uplink data bandwidth and time delay, cannot transmit electric energy original quantity acquisition and sensing data in time, and limits the effect of the electric energy meter as a power grid sensing layer.
Disclosure of Invention
In view of this, the design scheme of the 5G electric energy meter disclosed by the invention has a basic metering function, local communication modes such as bluetooth and WIFI, a temperature and humidity and position detection function, electric energy original data acquisition and management support, the characteristics of high bandwidth, low delay and high density connection of 5G communication can be utilized, the sampling and sensing data of the electric energy meter are uploaded to a master station in real time, and the calculation and analysis of the electric energy meter acquisition data are realized by utilizing the master station computing resources.
The solution of the invention is:
the electric energy meter scheme design based on the 5G communication technology comprises a metering module, a control module and an extensible 5G communication module.
The metering module has functions of temperature and humidity detection, clock, storage and communication encryption besides ammeter metering. The metering module is realized by adopting an SOC scheme and mainly comprises the following functional module circuits: the device comprises a voltage and current sampling circuit, a FLASH circuit, a real-time clock circuit, a temperature and humidity detection circuit, a cover opening/starting end detection circuit and a power supply circuit. The power circuit provides two paths of isolated output power with the total power of 15W, and the two paths of isolated output power respectively supply power to the metering module, the management module and the expanded module. The metering module is provided with two external output interfaces which are high-speed SPI and UART communication interfaces respectively, and the two interfaces adopt high-speed capacity isolation to carry out isolated communication.
Control module adopts the form of nuclear core plate, carries out equipment and APP management through the OS of operation on nuclear core plate, possesses liquid crystal display, bluetooth, WIFI, location, displacement monitoring and USB interface management function. The control module main control core board selects a Cortex-A series processor, the main frequency is greater than 1.2GHz, the integrated peripheral SPI interface is connected with a 160X160 dot matrix liquid crystal screen in an expanding mode to achieve ammeter data and curve display, the UART interface is connected with a 5.0 Bluetooth and a Beidou positioning module in an expanding mode, the I2C interface is connected with a gravity acceleration module in an expanding mode, and the USB interface is connected with a Wi-Fi functional module in an expanding mode. And a high-speed SPI interface and a UART control interface are used for communicating with the metering module, so that the rapid transmission of metering data and the interaction of control commands are realized. The control module is also provided with three paths of extensible standard USB interfaces which can be connected with a 5G module or other extension modules in an extensible mode.
The OS on the control module uses a real-time operating system Linux to realize equipment and APP management, and the whole software framework is divided into three layers, namely an application layer, an operating system and a drive layer. A driving layer: based on the embedded Linux system drive development framework, the basic peripheral drive function is realized. The device comprises a FLASH module, a DMA module, an ADC module, an SPI module, an IIC module, a UART module, an LCD module and the like. Operating the system: based on an embedded Linux system, the dynamic loading and running functions of the APP program are realized, and meanwhile, the functions of Docker and the like can also be supported, so that the cross-platform of the APP is realized. An application layer: the application layer provides development and running environment of the APP program, and is mainly used for realizing business logic and some high-level application functions of the electric energy meter, such as: power, display, freeze, event, communication, etc.
The 5G communication module equipment is managed by the control module, has a standard USB interface form and a standard protocol, supports standard Ethernet port extension communication and supports a 4-channel antenna.
The electric energy meter scheme based on the 5G communication technology provided by the invention is characterized in that the technical characteristics of high bandwidth and low time delay of 5G communication are utilized, the traditional electric energy meter which is in wireless and carrier communication is designed and expanded, the traditional metering function of the electric energy meter is expanded into the electric energy meter with the sensing and measuring functions and the integration function by utilizing the modern sensor and the communication technology, the electric energy meter mounting position, the environmental data acquisition and uploading and the real-time acquisition and uploading of the power grid data can be realized, the intelligentization level of the electric energy meter is improved, and the application range and the application path of the intelligent electric energy meter are greatly expanded.
Drawings
FIG. 1 is a schematic view of a metering module of the present invention;
FIG. 2 is a schematic diagram of a control module of the present invention;
FIG. 3 is a software diagram of the management unit of the present invention;
FIG. 4 is a schematic diagram of a converter connection according to the present invention;
Detailed Description
The invention relates to an electric energy meter scheme based on a 5G communication technology, which mainly comprises 3 parts, a metering module, a control module and an extensible functional module.
As shown in fig. 1, the schematic diagram of the metering module of the electric energy meter solution of the 5G communication technology includes a switching power supply with two paths of power output capability of 15W in total, and can provide stable power for the metering and other modules. The metering part adopts a Rysa SOC scheme, supports 24Bit Sigma-Delta ADC and can set the sampling rate. The metering components and parts adopt a combined mode of manganin and a mutual inductor, wherein the manganin is used for metering a live wire, and the mutual inductor is used for metering a zero wire. The metering module supports the metering of full-wave, fundamental wave and harmonic electric energy, and can meet the wide-range metering requirement of 20 mA-100A; the design precision grades are active grade A and reactive grade 2. An RX8025T real-time clock chip is adopted to provide a clock of a base table, a FLASH chip is adopted to realize the storage of metering data, and an HTU20D of an I2C interface is adopted to realize the temperature and humidity detection. The control module and the metering module communicate in two communication modes of SPI and UART, and are isolated and communicated through capacitive coupling. The control module realizes command interaction with the metering module through a UART interface and realizes reading of metering data through an SPI interface. And the uncovering/opening detection function is realized by GPIO of the SOC.
As shown in FIG. 2, the control module of the electric energy meter scheme of the 5G communication technology is schematically shown, and a core management board supports 1G DDR3 internal memory and 8G Flash storage by using Cortex-A7, a 4-core 1.2G processor. The WIFI wireless communication module adopts an RTL8188 chip, can meet 2.4G &5G dual-band WLAN, and supports 802.11a/b/G/n protocol. The ammeter with the WiFi function can be matched with a concentrator/collector with the WiFi function to realize a regional wireless networking centralized meter reading system when being used as a slave node, breaks through the limitation of the traditional carrier wave and the 485 communication rate, and realizes batch uploading of data. The wireless local area network can also be used as a main node AP, and provides heat points for users by matching with the characteristics of ultrahigh network speed and ultrahigh bandwidth brought by a 5G module, and the wireless local area network can be used as a home network access node. Bluetooth communication uses IS1871SF to realize BLE 5.0 communication requirement, and functions such as closely non-contact debugging, meter reading, examine table, circuit breaker control can be realized to the bluetooth function, and the ammeter based on BLE technique can realize the control to external sensor with lower consumption. The intelligent positioning module uses N305 to support three positioning systems of Beidou, GPS and GLONASS, three-dimensional data such as longitude, latitude, height and the like of the installation position of the electric meter can be accurately acquired through Beidou satellite positioning information, and the data are related to the installation position of the electric meter which can be accurately positioned on a digital map. The acceleration sensor uses a BMA255 high-sensitivity triaxial acceleration sensor, a temperature sensor is arranged in the acceleration sensor, the temperature measurement function can be realized simultaneously, after inertia monitoring (3D acceleration) is used, the mobile information of the ammeter and the external impact information can be accurately drawn through real-time monitoring of the acceleration information of the ammeter, and therefore whether unauthorized movement and modification occur after the ammeter is installed on the site is monitored, and whether the real-time monitoring ammeter receives impact and damage is monitored. The man-machine interaction function supports a 160X160 dot matrix COG display screen and a piezoelectric buzzer. The control module supports 3 standard USB3.0, standard Type C data interface, can be used to the extension of base table function.
As shown in fig. 3, the management unit software is based on LINUX operating system, and adopts a layered design concept to divide the whole software system into three layers, which are: system layer, platform layer, application layer. The system layer (KERNEL) is developed based on a LINUX system KERNEL, is optimized aiming at the peripheral equipment used by the embedded equipment and the electric meter, and develops various hardware-related driving programs. The platform layer (APPLICATION FRAMEWORK) is designed aiming at the electric energy meter service, various common modules and general functions are abstracted, and the common modules and the general functions are extracted from different tasks to form a uniform service platform. The APPLICATION layer (APPLICATION) realizes various service logics and APPLICATION functions based on various services and convenient interfaces provided by the system layer and the platform layer.
The system layer is based on the characteristics of open source, maturity, stability, complete ecological circle and the like of the LINUX operating system, cutting and optimization are carried out according to the actual use of the electric energy meter, and a safe, reliable and stable electric energy meter OS operating system is obtained. The utility model discloses a switching of electric power business, including the electric energy meter, the utility model discloses a switching of electric power business is realized to the application layer, and the application layer is with the whole APP of all electric power business on the electric energy meter, and newly-increased any business can be realized through loading an APP, can realize the nimble configuration of electric power business, for example the download, installation, the deletion of APP, can also realize the switching of business.
As shown in fig. 4, the 5G expansion module schematic diagram of the electric energy meter solution of the 5G communication technology adopts a 5G Sub-6HZ module designed for IoT/eMBB application, supports 5G NSA and SA modes, supports 4-channel antenna, supports comprehensive coverage of multiple network systems of 5G and LTE-a, supports Type-C high-speed data interface, supports 2-channel (U) SIM card, supports gigabit RJ45 gateway expansion, and can provide internet access service for residents through wires.
The above description is an embodiment of the invention, and the design scheme of the 5G electric energy meter provided by the invention can not only realize the metering function of the traditional electric energy meter, but also realize the real-time uploading function of the basic data and the sensing data of the electric energy meter, realize the intelligent application of the electric energy meter, realize the interaction between the intelligent electric energy meter and the user, and build a connecting bridge for the good interaction between the user and the power supply enterprise.
Claims (5)
1. The utility model provides an electric energy meter scheme design based on 5G communication technology, includes metering module, control module and extensible 5G communication module, its characterized in that: the metering module has functions of temperature and humidity detection, clock, storage and communication encryption besides the metering function; the control module adopts an OS (operating system) to manage equipment and has the functions of liquid crystal display, Bluetooth, WIFI (wireless fidelity), satellite positioning, an acceleration sensor and USB (universal serial bus) interface management; the 5G communication module has a USB interface function.
2. The metering module of claim 1, wherein: the metering module is designed by adopting an SOC scheme, has the metering sampling rate which can be dynamically set, and supports the output function of the sampled original data.
3. The control module of claim 1, wherein: adopt OS to manage peripheral hardware and APP, support the USB interface of 3 way standards, possess position location, displacement detection function, support bluetooth and WIFI communication.
4. The control module of claim 1, wherein: the electric energy meter service is operated and managed in an APP mode, and the service APP can be installed and deleted on the OS.
5. The 5G communication module according to claim 1, wherein: and one standard USB3.0Type-C interface and one gigabit RJ45 interface are supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238221.4A CN112363976A (en) | 2020-11-09 | 2020-11-09 | Electric energy meter scheme design based on 5G communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238221.4A CN112363976A (en) | 2020-11-09 | 2020-11-09 | Electric energy meter scheme design based on 5G communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112363976A true CN112363976A (en) | 2021-02-12 |
Family
ID=74508953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011238221.4A Withdrawn CN112363976A (en) | 2020-11-09 | 2020-11-09 | Electric energy meter scheme design based on 5G communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112363976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113986359A (en) * | 2021-09-26 | 2022-01-28 | 北京智芯微电子科技有限公司 | Safe operating system suitable for smart electric meter |
-
2020
- 2020-11-09 CN CN202011238221.4A patent/CN112363976A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113986359A (en) * | 2021-09-26 | 2022-01-28 | 北京智芯微电子科技有限公司 | Safe operating system suitable for smart electric meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103235749A (en) | FPGA-based sensor network SoC proto verification platform | |
| CN207764339U (en) | A kind of overhead type fault locator based on NB-IOT communications | |
| CN208638381U (en) | A kind of signal detection terminal and its system based on NB-IoT | |
| CN110351338A (en) | A kind of low power dissipation temperature-humidity sensor based on NB-IoT technology | |
| CN205538938U (en) | Wireless water quality monitoring system of portable based on GIS | |
| CN112363976A (en) | Electric energy meter scheme design based on 5G communication technology | |
| CN203101527U (en) | Electromagnetic radiation monitoring system | |
| CN101988855A (en) | Low power wireless digital automatic temperature monitoring system | |
| CN203260028U (en) | Sensor network SoC prototype verification platform based on FPGA | |
| CN210927985U (en) | Metering automation terminal communication module | |
| CN104254051A (en) | Device, method and system for automatic testing of indoor wireless signals | |
| CN102223187A (en) | Testing method and system for testing CMMB (China Mobile Multimedia Broadcasting) network coverage | |
| CN201522335U (en) | Automatic low power-consumption wireless digital temperature monitoring system | |
| CN209446674U (en) | The online real-time phase acquisition device of power grid three-phase alternating current | |
| CN106535361A (en) | Dual-wireless communication device applied to remote monitoring system | |
| CN104252159A (en) | Traffic control Internet of Things efficient patrol cloud system | |
| CN210574262U (en) | Remote meter reading and positioning module based on NB-IoT and BDS | |
| CN203278857U (en) | Dual-path IEC61850 message receiving and transmitting device based on CRIO (Core-Router Integrated Overlay) platform | |
| CN103001710A (en) | System and method for measuring signal intensity of intelligent antenna | |
| CN202855057U (en) | Environmental parameter monitoring system for vegetable greenhouse based on GSM (Global System for Mobile Communications) network | |
| CN206906585U (en) | Portable blue-tooth GPS RTK position indicators | |
| Zeng et al. | Design of intelligent light control system based on NB-IoT | |
| CN220775874U (en) | Cable edge internet of things proxy device | |
| CN217985417U (en) | Novel low-power deformation monitoring device and system | |
| CN212850565U (en) | Terminal hardware platform system for intelligent transportation equipment fault maintenance positioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |
|
| WW01 | Invention patent application withdrawn after publication |