CN109151080A - Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things - Google Patents
Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things Download PDFInfo
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- CN109151080A CN109151080A CN201811291619.7A CN201811291619A CN109151080A CN 109151080 A CN109151080 A CN 109151080A CN 201811291619 A CN201811291619 A CN 201811291619A CN 109151080 A CN109151080 A CN 109151080A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
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- 235000008434 ginseng Nutrition 0.000 description 2
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- 238000013480 data collection Methods 0.000 description 1
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Classifications
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
本发明提供了一种基于物联网的三相电参数监测与电能计量系统，包括：主控处理器、电能采集模块、I/O端口操作模块、显示模块、网络接口模块；其中，主控处理器分别电连接至电能采集模块、I/O端口操作模块、显示模块以及网络接口模块，主控处理器内集成有以太网控制器，主控处理器基于以太网控制器和所述网络接口模块与外部设备进行以太网通信连接，电能采集模块用于采集三相电参数以及进行谐波分析，并基于主控处理器将三相电参数的采集结果和谐波分析结果传送至显示模块或外部设备进行显示。通过本发明的技术方案，能够实时在线监测、显示电力用户的各项电能参数以及实现谐波分析及谐波电能计量，还支持数据远程传输，功能多样化。
The invention provides a three-phase electric parameter monitoring and electric energy metering system based on the Internet of Things, including: a main control processor, an electric energy acquisition module, an I/O port operation module, a display module, and a network interface module; wherein, the main control processing The controller is electrically connected to the power acquisition module, the I/O port operation module, the display module and the network interface module, respectively, the main control processor is integrated with an Ethernet controller, and the main control processor is based on the Ethernet controller and the network interface module. Ethernet communication connection with external devices, the power acquisition module is used to collect three-phase electrical parameters and perform harmonic analysis, and transmit the three-phase electrical parameter acquisition results and harmonic analysis results to the display module or external based on the main control processor. device to display. Through the technical scheme of the present invention, various electric energy parameters of electric power users can be monitored and displayed online in real time, and harmonic analysis and harmonic electric energy measurement can be realized, and remote data transmission is also supported, and the functions are diversified.
Description
Technical field
The present invention relates to technical field of electric power, in particular to a kind of three phase electrical parameters monitoring based on Internet of Things with
Electric energy metered system.
Background technique
The development of the new technologies such as power electronics and commonly used, the nonlinear-load day caused in electric system is cumulative
It is more, resulting harmonic wave polluted caused by power grid it is increasingly severe, especially electric railway locomotive, electrical arc furnace and
Influence of the higher hamonic wave that the equipment such as electric welding generate to power grid is the most obvious.Harmonic wave not only will affect various electrical in network system
The normal work and use service life of equipment, or even power system accident is caused, directly affect safety in production and the normal life of people
It is living.Based on this, one of the important process of smart grid construction is had become to the improvement of harmonic wave, and the precondition of harmonic wave control,
Should have the instrument that can harmonic electric energy and direction of tide accurately measured and be identified.
However electrical energy measurement of traditional electric energy meter one side under harmonic wave operating condition, to the non-thread of generation harmonic pollution power grid
Property load user consumption electric energy count less, and the electric energy consumed to the linear load user for not generating harmonic wave counts, this is tight
The unjust phenomenon of weight is developed with the process that the national standard and vertification regulation of harmonic electric energy metering are formulated suitable for non-thread
Property load condition under harmonic electric energy metering and analysis meter, it has also become for the joint demand of electricity consumption both sides；Another aspect function
It is more single, can not real time on-line monitoring and realize monitoring data teletransmission, to this, there is presently no effective solutions
Scheme.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes a kind of new three-phase electricity ginseng based on Internet of Things
Number monitoring and electric energy metered system, being capable of real time on-line monitoring, every electrical energy parameter of display power consumer and realization harmonic wave
Analysis and harmonic electric energy metering, also support data remote transmission, functional diversities.
It is monitored and electrical energy measurement system in view of this, proposing the new three phase electrical parameters based on Internet of Things of one kind according to the present invention
System, comprising: main control processor, electric energy collection module, I/O port operation module, display module, Network Interface Module；Wherein, institute
It states main control processor and is respectively electrically connected to the electric energy collection module, I/O port operation module, display module and network interface
Module, is integrated with ethernet controller in the main control processor, the main control processor be based on the ethernet controller and
The Network Interface Module and external equipment carry out ethernet communication connection, and the electric energy collection module is for acquiring three-phase electricity ginseng
Number and progress frequency analysis, and passed the collection result of three phase electrical parameters and frequency analysis result based on the main control processor
It send to the display module or the external equipment and is shown.
In the technical scheme, what the ethernet controller cooperation integrated in main control processor was connected with main control processor
Network Interface Module can construct Ethernet, and electric energy collection module can acquire three phase electrical parameters (including voltage, electric current, active, nothing
Function, phase, harmonic wave and electrical energy measurement) and frequency analysis is carried out, and it is based on display module real-time display collection result and harmonic wave
Analysis is communicatively coupled, and will as a result, realization real-time online detection additionally by the ethernet network and external equipment of building
Acquisition structure and frequency analysis result are sent to external equipment, realize the teletransmission of data.
In the above-mentioned technical solutions, it is preferable that further include: warning module, including it is used for network interface LED light and bee
Ring device, and the network interface LED light and the buzzer are respectively connected to the main control processor, wherein the outside
Equipment is based on ethernet network and is remotely controlled the network interface LED light and the buzzer.
In any of the above-described technical solution, it is preferable that the main control processor uses 32 of model LM3S8962
Microprocessor.
In any of the above-described technical solution, it is preferable that the electric energy collection module uses the three of model ATM90E36A
Mutually measurement chip.
In any of the above-described technical solution, it is preferable that the Network Interface Module is using model HR911105A's
RJ45 network interface.
In any of the above-described technical solution, it is preferable that the display module uses the display screen of model LCD5110.
In any of the above-described technical solution, it is preferable that the external equipment includes intelligent terminal, remote control table.
It, being capable of real time on-line monitoring, every electrical energy parameter of display power consumer and realization by above technical scheme
Frequency analysis and harmonic electric energy metering, the also long-range control of support data remote transmission and external equipment, functional diversities.
Detailed description of the invention
The three phase electrical parameters based on Internet of Things that Fig. 1 shows embodiment according to the present invention monitor and electric energy metered system
Schematic block diagram；
Fig. 2 shows the masters of the three phase electrical parameters monitoring and electric energy metered system based on Internet of Things of embodiment according to the present invention
Control flow diagram.
Specific embodiment
To better understand the objects, features and advantages of the present invention, below with reference to attached
It is that in the absence of conflict, the feature in embodiments herein and embodiment can be combined with each other.
Below in conjunction with Fig. 1 and Fig. 2, technical scheme is described further:
As shown in Figure 1, three phase electrical parameters monitoring and electric energy metered system based on Internet of Things include: main control processor 10, electric energy
Acquisition module 20, I/O port operation module 30, display module 40, Network Interface Module 50.
Wherein, main control processor 10 is respectively electrically connected to electric energy collection module 20, I/O port operation module 30, display mould
Block 40 and Network Interface Module 50, specifically, electric energy collection module 20 and 10 two-way communication of main control processor, the port I/O behaviour
The output end for making module 30 is connected to the input terminal of main control processor 10, and the input terminal of display module 40 is connected to main control processor
Output end, Network Interface Module 50 and 10 two-way communication of main control processor are integrated with Ethernet control in main control processor 10
Device, main control processor 10 is based on ethernet controller and Network Interface Module 50 and external equipment carries out ethernet communication connection,
Electric energy collection module 20 is for acquiring three phase electrical parameters and carrying out frequency analysis, and base main control processor 10 is by three phase electrical parameters
Collection result and frequency analysis result is sent to display module 40 or external equipment is shown.
Further, further includes: warning module, including it is used for network interface LED light and buzzer, network interface
LED light and buzzer are respectively connected to main control processor, wherein external equipment (such as intelligent terminal, remote control table)
Network interface LED light and buzzer are remotely controlled based on ethernet network, wherein intelligent terminal include mobile phone,
PC machine, remote control table include public platform of internet of things, such as the data center or the data center of oneself of the website yeelink
Deng.The Network Interface Module that is connected with main control processor of ethernet controller cooperation integrated in main control processor can construct with
Too network, electric energy collection module can acquire three phase electrical parameters (including voltage, electric current, active and reactive, phase, harmonic wave and electric energy meter
Amount) and frequency analysis is carried out, and based on display module real-time display collection result and frequency analysis as a result, realizing real-time online
Detection, is communicatively coupled additionally by the ethernet network and external equipment of building, and will acquisition structure and frequency analysis knot
Fruit is sent to external equipment, realizes the teletransmission of data.
Preferably, main control processor uses the 32-bit microprocessor of model LM3S8962, and electric energy collection module uses type
Number for ATM90E36A three-phase measure chip, Network Interface Module use model HR911105A RJ45 network interface, show
Show that module uses the display screen of model LCD5110.
Wherein, the 10/100Mbps ethernet controller that main control processor LM3S8962 is internally integrated, additional RJ45 network
The ethernet communication of system can be realized in interface HR911105A, and ethernet controller is by a fully-integrated media interviews control
Device (MAC) processed and network physical (PHY) interface device composition.Ethernet controller follows the specification of IEEE 802.3, supports completely
10base-T and 100BASE-TX standard.
Electric energy collection module ATM90E36A can be used for setting for 0.5S grades or 1 grade of three-phase power electric energy meter and reactive energy-meter
Meter, and can support the mode of connection of three-phase and four-line (3P4W) or phase three-wire three (3P3W), three-phase electric energy is measured using ATM90E36A
Parameter, the chip can measure voltage, electric current, active and reactive, phase and carry out frequency analysis, and display screen LCD5110 has speed
Degree is fast, and wiring is few, and display content is more, and cost performance is high.
For chip ATM90E36A:
Chip is powered using 3.3V single power supply, in typical 3P4W design, three independent transformers is needed to be powered,
Export 3.3V to chip digital power supply DVDD after AC power source is rectified and pressure stabilizing, chip analog power AVDD should directly and DVDD
Connection；Chip interior has electrification reset circuit, and external RESET pin can connect a 10k Ω resistance to DVDD and one 0.1
For μ capacitor to GND, chip has the on piece reference power supply of high stability, VrefPin needs external 10 μ F and 0.1 μ F, two capacitors,
ATM90E36A chip using 16.384MHz frequency as system operating frequency, chip built-in crystal oscillating circuit and 10pF's
Matching capacitance, when application, only need to connect a 16.384MHz crystal in OSCI and OSCO pin.
Chip provides three road voltages (V1, V2, V3) and the A/D of four road electric currents (I1, I2, I3, I4) is sampled, in current sample
I1 and I3 can by setting be interchangeable, to adapt to different PCB designs.
The SPI interface (CS, SCLK, SDI, SDO) that chip provides four lines is connect with outside MCU, and MCU can pass through
SPI interface carries out configuration and read-write register to chip.ATM90E36A can also support the SPI of Master mode, i.e. DMA mode.
In dma mode, chip can be up to the rate of 1800kbps by the original sampling data of A/D by Master SPI export to
External microprocessor is handled.
Chip provides four electrical energy pulse output pins: active energy pulse CF1, reactive energy pulse CF2(can also match
Be set to all-wave view electrical energy pulse export), fundamental active electrical energy pulse CF3, harmonic wave active energy pulse CF4, can be used for chip
The calibration of electrical energy measurement, while pulse signal can also be connected to MCU progress electric energy and added up.
Chip provides three zero cross signal output pins ZX0, ZX1, ZX2, settable different voltage or current signal
Judge as zero passage.
Chip provides IRQ0, IRQ1, WarnOut output pin, exports different grades of interruption and alarm signal respectively.
Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things are debugged in cable LAN, are taken for router
The local area network built, router open Dynamic Host Configuration Protocol server, distribute IP automatically, PC and data collection system are connected to by cable
Router, client machine system are configured to WinXP+Chrome.Under above-mentioned configuration, system can be accessed normally, and each function is normal.
" data acquisition " label is clicked, into data acquisition interface, it can be seen that the voltage of real-time three-phase electricity, electric current, power, energy,
The information such as harmonic wave can be uploaded to yeelink in appliance control interface with the switch of tele-control system buzzer and LED, data
After the data center of website, website understands automatic data processing and the results are shown on webpage.
Complete to system debug after, during the work time, detailed process is as shown in Figure 2 for whole system, comprising: first into
Row initialization, then acquires storing data, is carried out data transmission if it need to carry out data transmission by network, if without being passed
It is defeated, return continue acquire data, specifically, initialize system clock, initialize LCD5110, show starting-up interface, enable with
Too net controller initializes network interface LED light, enables total interruption, and initialization LwIP protocol stack (obtains IP automatically, sets
Set MAC Address), Httpd server is initialized, initialization timer, initialization SSI is related to CGI, initializes the port I/O, just
Beginningization key, initialization ammeter is related, and initialization terminates, LCD clear screen, shows title and IP.After initialization, mark is called
Topic, controls buzzer and LED state by browser, and buzzer and LED state are shown in webpage and locally, together
When the collected ammeter parameter of scrolling display gateway and temperature, system judge key whether press down decision show runing time or
Message content.The system can not only real time on-line monitoring, show power consumer every electrical energy parameter, moreover it is possible to monitor network operation
State and fault pre-alarming, remote control operation.Meanwhile it is by the system that effective development for pushing low-carbon electric power and modern times is intelligent
The construction of power grid, and will further promote grid company electric service level and management level.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and technical solution of the present invention proposes a kind of new
Based on Internet of Things three phase electrical parameters monitoring and electric energy metered system, can real time on-line monitoring, show power consumer items
Electrical energy parameter and realization frequency analysis and harmonic electric energy metering, the also long-range control of support data remote transmission and external equipment
System, functional diversities.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of three phase electrical parameters monitoring and electric energy metered system based on Internet of Things characterized by comprising
Main control processor, electric energy collection module, I/O port operation module, display module, Network Interface Module；
Wherein, the main control processor is respectively electrically connected to the electric energy collection module, the I/O port operation module, described
Display module and the Network Interface Module are integrated with ethernet controller, the master control processing in the main control processor
Device is based on the ethernet controller and the Network Interface Module and external equipment carries out ethernet communication connection, the electric energy
Acquisition module is for acquiring three phase electrical parameters and carrying out frequency analysis, and based on the main control processor by three phase electrical parameters
Collection result and frequency analysis result are sent to the display module or the external equipment is shown.
2. the three phase electrical parameters monitoring and electric energy metered system according to claim 1 based on Internet of Things, which is characterized in that
Further include:
Warning module, including it is used for network interface LED light and buzzer, the network interface LED light and the bee
Ring device is respectively connected to the main control processor, wherein the external equipment is based on ethernet network to the network interface LED
Indicator light and the buzzer are remotely controlled.
3. the three phase electrical parameters monitoring and electric energy metered system, feature according to claim 1 or 2 based on Internet of Things exists
In the main control processor uses the 32-bit microprocessor of model LM3S8962.
4. the three phase electrical parameters monitoring and electric energy metered system, feature according to claim 1 or 2 based on Internet of Things exists
In the electric energy collection module measures chip using the three-phase of model ATM90E36A.
5. the three phase electrical parameters monitoring and electric energy metered system, feature according to claim 1 or 2 based on Internet of Things exists
In the Network Interface Module uses the RJ45 network interface of model HR911105A.
6. the three phase electrical parameters monitoring and electric energy metered system, feature according to claim 1 or 2 based on Internet of Things exists
In the display module uses the display screen of model LCD5110.
7. the three phase electrical parameters monitoring and electric energy metered system, feature according to claim 1 or 2 based on Internet of Things exists
In the external equipment includes intelligent terminal, remote control table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811291619.7A CN109151080A (en) | 2018-10-31 | 2018-10-31 | Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811291619.7A CN109151080A (en) | 2018-10-31 | 2018-10-31 | Three phase electrical parameters monitoring and electric energy metered system based on Internet of Things |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331525A (en) * | 2011-06-01 | 2012-01-25 | 山东建筑大学 | Distributed harmonic online detection system based on construction equipment Internet of Things |
| CN102368781A (en) * | 2011-06-28 | 2012-03-07 | 于佳辉 | Internet of things-based system for monitoring power demand side and method thereof |
| CN104810923A (en) * | 2015-04-23 | 2015-07-29 | 江阴长仪集团有限公司 | Intelligent power distribution and use integrated terminal based on IEC61850 stipulation |
| DE102017200761A1 (en) * | 2017-01-18 | 2018-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | DEVICE FOR MONITORING A ROTATING ELEMENT AND CORRESPONDING METHOD |
| CN108366073A (en) * | 2018-03-08 | 2018-08-03 | 云南电网有限责任公司电力科学研究院 | A kind of safety utilization of electric power system for supporting ammeter online and user interaction |
-
2018
- 2018-10-31 CN CN201811291619.7A patent/CN109151080A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331525A (en) * | 2011-06-01 | 2012-01-25 | 山东建筑大学 | Distributed harmonic online detection system based on construction equipment Internet of Things |
| CN102368781A (en) * | 2011-06-28 | 2012-03-07 | 于佳辉 | Internet of things-based system for monitoring power demand side and method thereof |
| CN104810923A (en) * | 2015-04-23 | 2015-07-29 | 江阴长仪集团有限公司 | Intelligent power distribution and use integrated terminal based on IEC61850 stipulation |
| DE102017200761A1 (en) * | 2017-01-18 | 2018-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | DEVICE FOR MONITORING A ROTATING ELEMENT AND CORRESPONDING METHOD |
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Application publication date: 20190104 |