CN106324338A - Simulation smart watt-hour meter - Google Patents
Simulation smart watt-hour meter Download PDFInfo
- Publication number
- CN106324338A CN106324338A CN201610654492.5A CN201610654492A CN106324338A CN 106324338 A CN106324338 A CN 106324338A CN 201610654492 A CN201610654492 A CN 201610654492A CN 106324338 A CN106324338 A CN 106324338A
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- module
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- time
- electric energy
- energy meter
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- 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
- G01R22/068—Arrangements for indicating or signaling faults
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a simulation smart watt-hour meter. The simulation smart watt-hour meter includes a watt-hour meter main board as well as a simulation fault control board and a communication conversion control box which are connected with the watt-hour meter main board; the communication conversion control box communicates with the watt-hour meter main board through an RS485, so that the communication conversion control box can read the data of the watt-hour meter main board; the communication conversion control box communicates with the simulation fault control board through an RS485; the watt-hour meter main board includes a microprocessor, a measurement circuit, a communication module, a display module, a charge control module, a clock module, a multi-function output module and a power source module; and the measurement circuit, the communication module, the display module, the charge control module, the clock module and the multi-function output module are connected with the microprocessor and the power source module. The current signals and voltage signals of a power frequency power supply are monitored, the current signals and voltage signals are directly converted into pulses through the measurement module; the pulses are transmitted to the microcontroller; subsequent measurement work is completed by the microcontroller; and therefore, the circuit of the simulation smart watt-hour meter is simple in structure and perfect in function.
Description
[technical field]
The present invention relates to electric energy meter field, particularly relate to artificial intelligence electric energy meter.
[background technology]
Along with the construction of intelligent grid, single, three-phase intelligent artificial intelligence electric energy meter obtains widely should in electric-power metering
With, but in use have also discovered problems, the on-the-spot bug list found directly changes table meter and by intelligent electric energy meter
Producer is responsible for process, because on-the-spot dress table connects electrician and the restriction of operation maintenance Personnel Skill Levels, it is impossible to intelligent electric energy meter
Fault do completely, the Trouble Report of system, therefore power system personnel and man of Watch Factory technical staff cannot be to intelligent electric energy meters
All kinds of faults occurred carry out in-depth study.Therefore to improve dress table to meet electrician and operation maintenance Personnel Skill Levels,
Solve and be familiar with single, the operation principle of three-phase intelligent electric-energy meter, correct accident analysis can be done when site intelligent table breaks down
And presentment system, complete Trouble Report, power system personnel and man of Watch Factory technical staff by Trouble Report can be to Intelligent electric
All kinds of problems that energy table occurs carry out in-depth study, are also that Ge Wang provincial electric power company exists with intelligent electric energy meter manufacturing enterprise simultaneously
The aspects such as intelligent electric energy meter 6 application extension, technical research provide substantial amounts of practical basis.WT-F56 intelligent simulation intelligence electric energy
Table fault simulation actual training device, some in using in conjunction with the on-the-spot existing typical electrical network operation event of electricity consumption and intelligent electric energy meter
Typical fault carries out analog demenstration and analysis on device, makes Field Force understand, is familiar with on-the-spot fault, by training, learns
Practise, understand and be familiar with single, the operation principle of three-phase intelligent electric-energy meter.
The metering module of existing simulation electric energy meter, it is impossible to providing the function of measuring under stealing state, student cannot pass through
The study of simulation stage is to grasp the ability finding user's stealing.
[summary of the invention]
Problem to be solved by this invention provides a kind of artificial intelligence electric energy meter possessing detection stealing status function.
For reaching object defined above, the present invention uses following scheme: a kind of artificial intelligence electric energy meter, it is characterised in that: include
Electric energy meter mainboard and the simulated failure panel being connected with electric energy meter mainboard and communication conversion and control case, communication conversion and control case with
Electric energy meter mainboard realizes communication by RS485, makes the data of communication conversion and control case reading power meters mainboard, communication conversion and control
Case and simulated failure panel realize communicating by RS485, electric energy meter mainboard include microprocessor, metering circuit, communication module,
Display module, take control module, clock module, multi-functional output module and power module；Metering circuit, communication module, display mould
Block, take control module, clock module, multi-functional output module are connected with microprocessor and power module；Metering circuit includes and work
The metering module that frequency power connects, described metering module includes computation chip, current sampling circuit, voltage sample loop, pulse
Generating loop；Current sampling circuit and voltage sampling circuit are connected with power frequency supply and computation chip, described current sampling circuit
Gathering the voltage signal of power frequency supply and be sent to described computation chip, described voltage sampling circuit gathers the electric current of power frequency supply
Signal is also sent to described computation chip；Described computation chip is connected with pulse generation loop, and receive described voltage signal and
Described current signal is sent out through described pulse generation loop after being converted into pulse, and described pulse circuit includes receiving described arteries and veins
The amplification module rushed and amplify, also includes the rectification module being connected and carry out amplification afterpulse rectification with described amplification module；
Artificial intelligence electric energy meter is located in airtight shell, and described shell is made of plastics, and the diapire of described cabinet is provided with multiple
Strip projected parts, the sidewall of described strip projected parts is provided with water guide rib, described water guide rib stretch out from described diapire and width gradually
Diminishing, the top of described strip projected parts is provided with multiple tip of dripping.
First preferred version of the present invention is: described pulse is square-wave pulse.
Second preferred version of the present invention is: described computation chip includes and current sampling circuit, voltage sample loop, arteries and veins
Rush the first chip that generating loop connects and the second chip being connected with described first chip.
3rd preferred version of the present invention is:
One, the first chip controls voltage sample loop and the voltage signal of current sampling circuit Real-time Collection power frequency supply and
Current signal；
Two, when voltage signal is less than nominal voltage signal, the first chip starts the second chip operation and voltage signal
Pass to the second chip in real time with current signal, the second chip starts and records the startup time is the very first time, and every 10 points
Clock generates voltage signal, current signal, the Data-Link of time point and stores；
Three, when voltage signal is higher than nominal voltage signal, the first chip sends reading signal to the second chip；Second core
Sheet receives this reading signal and was recorded as the second time, then sends the very first time, the second time, at least one Data-Link to
One chip；
Four, the first chip is sent to microprocessor after obtaining the aforementioned very first time, the second time, at least one Data-Link；
Five, microprocessor receives the aforementioned very first time, the second time, at least one Data-Link and stores, and controls display
The module display very first time, the second time；
Six, aforementioned microprocessor is connected with external server by communication conversion and control case, and transmit the described very first time,
Second time, at least one Data-Link and ammeter are numbered and are stored to external server.
The present invention can reach following technique effect:
1. by the current signal of power frequency supply and voltage signal are monitored and are converted into by metering module
Pulse is sent out, to microcontroller, completing ensuing gage work by microcontroller so that this circuit structure simple and
Perfect in shape and function.
2. amplification module and the setting of rectification module, it is ensured that pulse will not cause bigger because of the interference of other circuit
Noise so that microprocessor cannot read.
3. individually stealing state is measured by the second chip, it is ensured that the accuracy of stealing status metric and can
By property.
These features of the present invention and advantage will be detailed in following detailed description of the invention, accompanying drawing exposure.
[accompanying drawing explanation]
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is the module diagram of the artificial intelligence ammeter of the embodiment of the present invention 1.
Fig. 2 is the module map of the electric energy meter mainboard of the embodiment of the present invention 1.
Fig. 3 is the theory diagram of the metering module of the embodiment of the present invention 1.
[detailed description of the invention]
The technical scheme of the embodiment of the present invention is explained and illustrated by the accompanying drawing below in conjunction with the embodiment of the present invention, but under
State embodiment and be only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art
On the premise of not making creative work, obtained other embodiments, broadly fallen into protection scope of the present invention.
Embodiment 1.
Referring to Fig. 1, a kind of artificial intelligence electric energy meter, including electric energy meter mainboard and the simulated failure that is connected with electric energy meter mainboard
Panel and communication conversion and control case, communication conversion and control case realizes communicating by RS485 with electric energy meter mainboard, makes communication change
The data of control chamber reading power meters mainboard, communication conversion and control case realizes communicating by RS485 with simulated failure panel, makes
Communication conversion and control case controls simulated failure panel and controls with the simulation realizing fault.
Artificial intelligence electric energy meter is located in airtight shell, and described shell is made of plastics, the diapire of described cabinet
Being provided with multiple strip projected parts, the sidewall of described strip projected parts is provided with water guide rib, described water guide rib stretch out from described diapire and
Width tapers into, and the top of described strip projected parts is provided with multiple tip of dripping.
Its workflow is: the communication conversion and control case energy information data by RS485 reading power meters mainboard, when needing
During simulated failure to be set, communication conversion and control case sends commands to simulated failure panel by RS485 so that simulated failure
Panel performs simulated failure to electric energy meter mainboard and controls, thus realizes simulated failure to be performed.
Referring to Fig. 2, electric energy meter mainboard include microprocessor, metering circuit, communication module, display module, expense control module, time
Clock module, multi-functional output module and power module, metering circuit, communication module, display module, take control module, clock module,
Multi-functional output module is connected with microprocessor and power module；Wherein, microprocessor is by communication module and communication conversion control
Case communication processed, microprocessor through bus and display module communication show the display function of electric energy meter, microprocessor and metering electricity
Road completes the function of measuring of electric energy meter by serial bus communication, and microprocessor through bus controls to take control module and realizes expense control merit
Can, microprocessor and clock module obtain clock information by serial bus communication, and microprocessor is controlled jointly with clock module
Making multi-functional output module and realize multifunctional pulse output, power module provides power supply for electric energy meter mainboard.
Simulated failure panel comprises main control unit, communication unit, relay control unit, relay matrix list
Unit.When simulated failure function to be realized, communication conversion and control case sends commands to simulated failure panel by RS485, life
Order can be then transferred to main control unit by communication unit, after main control unit analyzing and processing order, by controlling relay
Control unit, thus relay matrix unit is performed operation, thus realize simulated failure function.Concrete simulated failure realizes
Mode is: on electric energy meter, power supply circuits and the signal circuit of each module are provided with multiple switch.Relay control unit can
To control aforesaid plurality of to switch on-off, needs simulate certain module break down time, the power supply circuits of drop corresponding module
Or signal output apparatus.
With reference to Fig. 3, in electric energy meter mainboard, metering circuit comprises the metering module being connected with power frequency supply, and metering module comprises
Computation chip, current sampling circuit, voltage sample loop, pulse generation loop；Current sampling circuit and voltage sampling circuit with
Power frequency supply and computation chip connect, and described current sampling circuit gathers the voltage signal of power frequency supply and is sent to described metering
Chip, described voltage sampling circuit gathers the current signal of power frequency supply and is sent to described computation chip；Described computation chip
It is connected with pulse generation loop, and receives described voltage signal and described current signal is converted into after square-wave pulse through described pulse
Generating loop is sent out；Microprocessor comprises single-chip microcomputer, and single-chip microcomputer receives described square-wave pulse the energy information being converted into
Data process and preserve；The energy information that single-chip microcomputer will show is sent to display module by bus, thus realizes electric energy meter
Information display function.Described pulse circuit includes the amplification module receiving described pulse and amplifying, and also includes and described amplification mould
Block connects and amplification afterpulse carries out the rectification module of rectification.
When communication conversion and control case by RS485 electric energy meter mainboard carried out information mutual time, data pass through communication unit
Then single-chip microcomputer is arrived, after single-chip microcomputer processes the information received and analyzes and processes, through RS485 communication unit by information back
To communication conversion and control case；When single-chip microcomputer receives the control cx order that communication conversion and control case sends, single-chip microcomputer judges control
After system order is legal, single-chip microcomputer can control expense control unit and realize expense control function；By single-chip microcomputer by universal serial bus and clock module
Communication, thus obtain clock information；Power module realizes being converted into alternating current the function of DC source needed for electric energy meter.
Aforementioned computation chip includes and current sampling circuit, voltage sample loop, loop-coupled first core of pulse generation
Sheet and the second chip being connected with described first chip, wherein first chip gage work in course of normal operation, the
Two chips gage work under stealing state, specific works flow process is as follows:
One, the first chip controls voltage sample loop and the voltage signal of current sampling circuit Real-time Collection power frequency supply and
Current signal；
Two, when voltage signal is less than nominal voltage signal, the first chip starts the second chip operation and voltage signal
Pass to the second chip in real time with current signal, the second chip starts and records the startup time is the very first time, and every 10 points
Clock generates voltage signal, current signal, the Data-Link of time point and stores；
Three, when voltage signal is higher than nominal voltage signal, the first chip sends reading signal to the second chip；Second core
Sheet receives this reading signal and was recorded as the second time, then sends the very first time, the second time, at least one Data-Link to
One chip；
Four, the first chip is sent to microprocessor after obtaining the aforementioned very first time, the second time, at least one Data-Link；
Five, microprocessor receives the aforementioned very first time, the second time, at least one Data-Link and stores, and controls display
The module display very first time, the second time；
Six, aforementioned microprocessor is connected with external server by communication conversion and control case, and transmit the described very first time,
Second time, at least one Data-Link and ammeter are numbered and are stored to external server.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with
This those skilled in the art should be understood that the present invention includes but not limited to accompanying drawing and interior described in detailed description of the invention above
Hold.Any it is intended to be included in the scope of claims without departing from the function of the present invention and the amendment of structural principle.
Claims (4)
1. an artificial intelligence electric energy meter, it is characterised in that: include electric energy meter mainboard and the simulation event being connected with electric energy meter mainboard
Barrier panel and communication conversion and control case, communication conversion and control case realizes communicating by RS485 with electric energy meter mainboard, makes communication turn
Changing the data of control chamber reading power meters mainboard, communication conversion and control case realizes communicating by RS485 with simulated failure panel,
Electric energy meter mainboard includes microprocessor, metering circuit, communication module, display module, expense control module, clock module, multi-functional defeated
Go out module and power module；Metering circuit, communication module, display module, take control module, clock module, multi-functional output module
It is connected with microprocessor and power module；Metering circuit includes the metering module being connected with power frequency supply, described metering module bag
Include computation chip, current sampling circuit, voltage sample loop, pulse generation loop；Current sampling circuit and voltage sampling circuit
Being connected with power frequency supply and computation chip, described current sampling circuit gathers the voltage signal of power frequency supply and is sent to described meter
Amount chip, described voltage sampling circuit gathers the current signal of power frequency supply and is sent to described computation chip；Described metering core
Sheet is connected with pulse generation loop, and receive described voltage signal and described current signal be converted into pulse after send out through described pulse
Raw loop is sent out, and described pulse circuit includes the amplification module receiving described pulse and amplifying, and also includes and described amplification
Module connects and amplification afterpulse carries out the rectification module of rectification；Artificial intelligence electric energy meter is located in airtight shell, described
Shell is made of plastics, and the diapire of described cabinet is provided with multiple strip projected parts, and the sidewall of described strip projected parts is provided with water guide
Muscle, described water guide rib stretches out from described diapire and width tapers into, and the top of described strip projected parts is provided with multiple dripping
Most advanced and sophisticated.
Artificial intelligence electric energy meter the most according to claim 1, it is characterised in that: described pulse is square-wave pulse.
Artificial intelligence electric energy meter the most according to claim 1, it is characterised in that: described computation chip includes returning with current sample
Road, voltage sample loop, loop-coupled first chip of pulse generation and the second chip being connected with described first chip.
Artificial intelligence electric energy meter the most according to claim 3, it is characterised in that:
One, the first chip controls voltage sample loop and the voltage signal of current sampling circuit Real-time Collection power frequency supply and electric current
Signal；
Two, when voltage signal is less than nominal voltage signal, the first chip starts the second chip operation and voltage signal and electricity
Stream signal passes to the second chip in real time, and the second chip starts and records the startup time is the very first time, and every life in 10 minutes
Become voltage signal, current signal, the Data-Link of time point and store；
Three, when voltage signal is higher than nominal voltage signal, the first chip sends reading signal to the second chip；Second chip connects
Receive this reading signal and be recorded as the second time, then sending the very first time, the second time, at least one Data-Link to the first core
Sheet；
Four, the first chip is sent to microprocessor after obtaining the aforementioned very first time, the second time, at least one Data-Link；
Five, microprocessor receives the aforementioned very first time, the second time, at least one Data-Link and stores, and controls display module
The display very first time, the second time；
Six, aforementioned microprocessor is connected with external server by communication conversion and control case, and transmit the described very first time, second
Time, at least one Data-Link and ammeter are numbered and are stored to external server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654492.5A CN106324338A (en) | 2016-08-11 | 2016-08-11 | Simulation smart watt-hour meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654492.5A CN106324338A (en) | 2016-08-11 | 2016-08-11 | Simulation smart watt-hour meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106324338A true CN106324338A (en) | 2017-01-11 |
Family
ID=57740068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654492.5A Pending CN106324338A (en) | 2016-08-11 | 2016-08-11 | Simulation smart watt-hour meter |
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| CN (1) | CN106324338A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847100A (en) * | 2018-06-13 | 2018-11-20 | 郑州万特电气股份有限公司 | Four tables acquire fault simulation training apparatus |
| CN116298444A (en) * | 2023-03-15 | 2023-06-23 | 武汉盛帆电子股份有限公司 | Simulation intelligent electric energy meter |
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| CN105785117A (en) * | 2016-04-08 | 2016-07-20 | 国网浙江省电力公司培训中心 | Metering circuit |
| CN205450057U (en) * | 2016-02-19 | 2016-08-10 | 保定德乐普电器制造有限公司 | Ammeter case that waterproof performance is good |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203080814U (en) * | 2013-01-23 | 2013-07-24 | 山东鑫达鲁鑫防水材料有限公司 | Plastic protective drain board |
| CN204516037U (en) * | 2015-02-15 | 2015-07-29 | 西安信龙电子科技有限公司 | Intelligent meter data recording machine |
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| CN105785118A (en) * | 2016-04-08 | 2016-07-20 | 国网浙江省电力公司培训中心 | Simulated intelligent electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847100A (en) * | 2018-06-13 | 2018-11-20 | 郑州万特电气股份有限公司 | Four tables acquire fault simulation training apparatus |
| CN108847100B (en) * | 2018-06-13 | 2023-09-26 | 郑州万特电气股份有限公司 | Four-meter acquisition fault simulation training equipment |
| CN116298444A (en) * | 2023-03-15 | 2023-06-23 | 武汉盛帆电子股份有限公司 | Simulation intelligent electric energy meter |
| CN116298444B (en) * | 2023-03-15 | 2024-01-09 | 武汉盛帆电子股份有限公司 | Simulation intelligent electric energy meter |
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| PB01 | Publication | ||
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Application publication date: 20170111 |