CN108398594A - A kind of intelligent simulation three-phase electric energy meter - Google Patents
A kind of intelligent simulation three-phase electric energy meter Download PDFInfo
- Publication number
- CN108398594A CN108398594A CN201810189825.0A CN201810189825A CN108398594A CN 108398594 A CN108398594 A CN 108398594A CN 201810189825 A CN201810189825 A CN 201810189825A CN 108398594 A CN108398594 A CN 108398594A
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- electric energy
- energy meter
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- liquid crystal
- switching
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- 238000004088 simulation Methods 0.000 title claims abstract description 34
- 238000012549 training Methods 0.000 claims abstract description 31
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000006870 function Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 13
- 230000010354 integration Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of intelligent simulation three-phase electric energy meters, are related to Electric Energy Metering Technology field.The intelligent simulation three-phase electric energy meter, including true electric energy meter, switching circuit, external emulation controller and database server；True electric energy meter includes true electric energy meter microprocessor, liquid crystal driving module and liquid crystal display, the switching of time of day and simulation status is realized by switching circuit, the handoff response time is short, the cumbersome disconnection process of no complexity, safety easy to operate；The complementation of time of day and simulation status provides more abundant electrical energy measurement function training for student, meets modern efficient, safe and accurate, intelligent training pattern demand.
Description
Technical field
The invention belongs to Electric Energy Metering Technology field more particularly to a kind of intelligent simulation three-phase electric energy meters.
Background technology
Current electric power industry development is swift and violent, in order to ensure that power industry production, electrical energy measurement are reliable, accurately carry out, I
Have to carry out electrical energy measurement by reliable instrument and meter device, and electric energy meter is common electrical energy measurement instrument.Electricity
Can table be used for measuring electric energy, being capable of forward and reverse active, two combinations are idle, four-quadrant is idle total and time sharing electrical energy, the tool of accurate measurement
There are the forward and reverse active metering of split-phase and active and reactive maximum demand and time of origin writing function, and can be to active and reactive, electric
The power consumption parameters such as pressure, electric current, power factor (PF) and frequency measure and handle in real time.But electric energy meter occurs in metering process
Mistake, it is possible to great economic loss can be brought to user or power supply enterprise, in order to get hold of this important link, electric energy
Metrological personnel must have higher professional qualities and workmanship.
Currently, the training to electrical energy measurement personnel both at home and abroad and examination are mainly combined by papery examination paper and are manually set
True electric energy meter is linked into power grid again after setting Wrong wiring way, operating personnel carry out the trainings such as meter reading, operation danger again
Dangerous coefficient is higher, there are some potential safety problems, and disconnection process very complicated, it is quite time-consuming, it can not also be protected in operating process
The mistake of witness's work setting is consistent with predetermined condition, causes training efficiency low；And true electric energy meter is at regular intervals
A meter reading is carried out, emulation metering training is carried out for operating personnel without more data.It can be seen that traditional training and examination
Mode and checking device have been unable to meet modern efficient, safe and accurate, intelligent training pattern demand.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of intelligent simulation three-phase electric energy meter.
The present invention is to solve above-mentioned technical problem by the following technical solutions：A kind of intelligent simulation three-phase electric energy
Table, including true electric energy meter, switching circuit, external emulation controller and database server；The true electric energy meter includes
True electric energy meter microprocessor, liquid crystal driving module and liquid crystal display；The true electric energy meter microprocessor, liquid crystal
Driver module and liquid crystal display are sequentially connected；The liquid crystal driving module also respectively with switching circuit, external
Emulation controller connects；The external emulation controller is also communicatively coupled with database server；
The switching circuit is realized for controlling the connection between true electric energy meter microprocessor and liquid crystal driving module
Mutual switching between time of day and simulation status；
The database server provides more abundant data for storing electrical energy measurement related data for student training；
The external emulation controller, the data for being transmitted according to database server carry out corresponding electric energy meter metering emulation
Function, and in liquid crystal display screen display, realize the related training of student；
The switching between time of day and simulation status, when in time of day, true electric energy meter are realized by switching circuit
Microprocessor accesses, and carries out normal metering and display, realizes electrical energy measurement, electrical measurement, maximum demand metering, timesharing meter
Amount, display, communication, logout, grid event record, rate of qualified voltage statistics training；When in simulation status, from data
Library server obtains related data, and in liquid crystal display screen display, realizes corresponding emulation function of measuring training.
Further, the switching circuit uses packed by metal casing, and communication port and switching are equipped on metal shell
Button；Switching circuit with metal shell is mounted on the back side of true electric energy meter.
Further, led to by RS485 communication interfaces between the external emulation controller and database server
Letter connection.
Further, the emulation controller is the control process circuit using MSP430F169 microcontrollers as core.
Further, the true electric energy meter further include integrating metrology module, memory, pre-payment module, switching on after
Electrical appliance module, active reactive flashlight and buzzer warning module；The integrating metrology module, memory, pre-payment module,
Switching on relay module, active reactive flashlight and buzzer warning module respectively with the true electric energy meter microprocessor
Connection；The integrating metrology module is also connect by divider resistance with three-phase voltage, is connected by current transformer and three-phase current
It connects；
The analog signal of voltage signal, current transformer from divider resistance is converted to digital signal by integrating metrology module,
And digital integration operation is carried out to it, to accurately obtain active energy and reactive energy, and in liquid crystal display screen display；
True electric energy meter microprocessor requires to handle data according to corresponding rate and requirement etc., its result is stored in memory
In.
Further, the switching on relay module uses built-in, is mounted on the inside of true electric energy meter.
Compared with prior art, intelligent simulation three-phase electric energy meter provided by the present invention, including true electric energy meter, switching electricity
Road, external emulation controller and database server；True electric energy meter includes true electric energy meter microprocessor, liquid crystal display drive
Dynamic model block and liquid crystal display realize the switching of time of day and simulation status by switching circuit, and the handoff response time is short,
Without complicated cumbersome disconnection process, safety easy to operate；The complementation of time of day and simulation status provides more rich for student
Rich electrical energy measurement function training, meets modern efficient, safe and accurate, intelligent training pattern demand；The present invention applies to
When electrical energy measurement student training, setting Wrong wiring way only needs selection to read the data in corresponding database server,
The emulation of corresponding electrical energy measurement function can be carried out, Wrong wiring way, personnel's operation risk factor are set compared to traditional manual
It is almost reduced to zero, and there is no connection box of electric energy meter process is disconnected, avoids training process very complicated, takes the drawbacks such as serious,
Substantially increase staffs training efficiency.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical scheme of the present invention
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the present of invention, general for this field
For logical technical staff, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structure diagram of intelligent simulation three-phase electric energy meter of the present invention.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the present invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work,
It shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of intelligent simulation three-phase electric energy meter provided by the present invention, including true electric energy meter, switching electricity
Road, external emulation controller and database server；True electric energy meter includes true electric energy meter microprocessor, liquid crystal display drive
Dynamic model block and liquid crystal display；True electric energy meter microprocessor, liquid crystal driving module and liquid crystal display connect successively
It connects；Liquid crystal driving module is also connect with switching circuit, external emulation controller respectively；External emulation controller also with data
Library server is communicatively coupled；
The switching between time of day and simulation status, when in time of day, true electric energy meter are realized by switching circuit
Microprocessor accesses, and carries out normal metering and display, realizes electrical energy measurement, electrical measurement, maximum demand metering, timesharing meter
The trainings such as amount, display, communication, logout, grid event record, rate of qualified voltage statistics；When in simulation status, from number
Related data is obtained according to library server（Data in database server can be arbitrarily arranged）, and shown on liquid crystal display
Show, realize corresponding emulation function of measuring training, such as the successively decreasing of active reactive electricity, the mistake of electricity measures etc. in real table
In the mistake that can not possibly occur substantially, meter reading training, electrical energy measurement is slow, fast and active reactive metering state training etc., leads to
It crosses state switching and realizes more comprehensively function of measuring training.
Switching circuit uses packed by metal casing, and communication port and switching push button are equipped on metal shell；Outside band metal
The switching circuit of shell is mounted on the back side of true electric energy meter.When pressing switching push button, into simulation status, without complicated cumbersome
Disconnection process, saved the training time, safe operation is reliable.
Emulation controller is the control process circuit using MSP430F169 microcontrollers as core, MSP430F169 type monolithics
Machine has communication and abundant I/O mouth pin resources, and low in energy consumption, stability is high, and also has JATG interfaces, can
Carry out on-line debugging and programming.
True electric energy meter further includes integrating metrology module, memory, pre-payment module, switching on relay module, active
Idle flashlight and buzzer warning module；Integrating metrology module, memory, pre-payment module, switching on relay module,
Active reactive flashlight and buzzer warning module are connect with true electric energy meter microprocessor respectively；Integrating metrology module is also logical
It crosses divider resistance to connect with three-phase voltage, be connect with three-phase current by current transformer；
The analog signal of voltage signal, current transformer from divider resistance is converted to digital signal by integrating metrology module,
And digital integration operation is carried out to it, to accurately obtain active energy and reactive energy, and in liquid crystal display screen display；
True electric energy meter microprocessor requires to handle data according to corresponding rate and requirement etc., its result is stored in memory
In.
For emulating user's electricity stealing the case where electricity successively decreases, detailed process is as follows：
The intelligent three-phase simulation electric energy meter of the present invention is switched into simulation electric energy meter state by switching push button, at this point, control electricity
The true electric energy meter microprocessor that energy table normally measures is switched circuit excision, and external emulation controller enters working condition, reads
It takes the active energy data in database server, and then controls liquid crystal display and show electricity data, when needing to carry out user
When electricity stealing emulates, the electricity data in database server is persistently reduced according to certain rules, then by external Simulation Control
Device reads the data, at this moment can obviously observe that the electricity data on liquid crystal display becomes smaller, this will appear as stealing in reality
Electric behavior, it is desirable that student can accurately and rapidly judge this kind of situation；Relative to true electric energy meter and traditional emulation electricity
Energy table, the present invention can realize the training of more function of measuring, meet modern efficient, safe and accurate, intelligent training pattern need
It asks.
Intelligent simulation three-phase electric energy meter provided by the present invention realizes time of day and simulation status by switching circuit
Switching, the handoff response time is short, the cumbersome disconnection process of no complexity, safety easy to operate；Time of day and simulation status it is mutual
It mends, provides more abundant electrical energy measurement function training for student, meet modern efficient, safe and accurate, intelligent training
Mode requirement；When the present invention applies to electrical energy measurement student training, it is corresponding that setting Wrong wiring way only needs selection to read
Data in database server, you can carry out the emulation of corresponding electrical energy measurement function, false wiring is set compared to traditional manual
Mode, personnel's operation risk factor is almost reduced to zero, and there is no connection box of electric energy meter process is disconnected, it is cumbersome to avoid training process
Complexity takes the drawbacks such as serious, substantially increases staffs training efficiency.
Above disclosed is only the specific implementation mode of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, can readily occur in variation or modification,
It is covered by the protection scope of the present invention.
Claims (6)
1. a kind of intelligent simulation three-phase electric energy meter, it is characterised in that：Including true electric energy meter, switching circuit, external Simulation Control
Device and database server；The true electric energy meter include true electric energy meter microprocessor, liquid crystal driving module and
Liquid crystal display；The true electric energy meter microprocessor, liquid crystal driving module and liquid crystal display are sequentially connected；It is described
Liquid crystal driving module is also connect with switching circuit, external emulation controller respectively；The external emulation controller also with number
It is communicatively coupled according to library server；
The switching circuit is realized for controlling the connection between true electric energy meter microprocessor and liquid crystal driving module
Mutual switching between time of day and simulation status；
The database server, for storing electrical energy measurement related data；
The external emulation controller, the data for being transmitted according to database server carry out corresponding electric energy meter metering emulation
Function, and in liquid crystal display screen display, realize the related training of student.
2. intelligent simulation three-phase electric energy meter as described in claim 1, it is characterised in that：The switching circuit uses metal shell
Encapsulation is equipped with communication port and switching push button on metal shell；Switching circuit with metal shell is mounted on true electric energy meter
The back side.
3. intelligent simulation three-phase electric energy meter as described in claim 1, it is characterised in that：The external emulation controller and data
It is communicatively coupled by RS485 communication interfaces between the server of library.
4. the intelligent simulation three-phase electric energy meter as described in claim 1 or 3, it is characterised in that：The emulation controller be with
MSP430F169 microcontrollers are the control process circuit of core.
5. intelligent simulation three-phase electric energy meter as described in claim 1, it is characterised in that：The true electric energy meter further includes integrating
Metering module, memory, pre-payment module, switching on relay module, active reactive flashlight and buzzer warning module；
The integrating metrology module, memory, pre-payment module, switching on relay module, active reactive flashlight and buzzer
Alarm module is connect with the true electric energy meter microprocessor respectively；The integrating metrology module also passes through divider resistance and three-phase
Voltage connects, and is connect with three-phase current by current transformer.
6. intelligent simulation three-phase electric energy meter as claimed in claim 5, it is characterised in that：The switching on relay module uses
It is built-in, it is mounted on the inside of true electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189825.0A CN108398594A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent simulation three-phase electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189825.0A CN108398594A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent simulation three-phase electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398594A true CN108398594A (en) | 2018-08-14 |
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ID=63092600
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189825.0A Pending CN108398594A (en) | 2018-03-08 | 2018-03-08 | A kind of intelligent simulation three-phase electric energy meter |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709823A (en) * | 2018-12-26 | 2019-05-03 | 中国北方车辆研究所 | Information integration test method based on model |
| CN112213683A (en) * | 2019-12-20 | 2021-01-12 | 青岛鼎信通讯股份有限公司 | Simulation platform for electric energy meter test |
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| CN2622712Y (en) * | 2002-12-30 | 2004-06-30 | 天津市申特高新技术开发公司 | Full electronic and multifunctional prefeeing watt-hour meter |
| CN201060513Y (en) * | 2007-05-12 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Three-phase smart card type prepaid multifunctional electric energy meter |
| CN203552356U (en) * | 2013-10-20 | 2014-04-16 | 湖南龙之翔智能科技有限公司 | Three-phase wide-range prepayment intelligent electric energy meter |
| CN203673059U (en) * | 2013-12-31 | 2014-06-25 | 郑州三晖电气股份有限公司 | Three-phase electric energy meter simulation system |
| CN106353592A (en) * | 2016-08-11 | 2017-01-25 | 国网浙江平湖市供电公司 | Test system based on simulated intelligent electric energy meter |
-
2018
- 2018-03-08 CN CN201810189825.0A patent/CN108398594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2622712Y (en) * | 2002-12-30 | 2004-06-30 | 天津市申特高新技术开发公司 | Full electronic and multifunctional prefeeing watt-hour meter |
| CN201060513Y (en) * | 2007-05-12 | 2008-05-14 | 五洲明珠股份有限公司潍坊浩特电气分公司 | Three-phase smart card type prepaid multifunctional electric energy meter |
| CN203552356U (en) * | 2013-10-20 | 2014-04-16 | 湖南龙之翔智能科技有限公司 | Three-phase wide-range prepayment intelligent electric energy meter |
| CN203673059U (en) * | 2013-12-31 | 2014-06-25 | 郑州三晖电气股份有限公司 | Three-phase electric energy meter simulation system |
| CN106353592A (en) * | 2016-08-11 | 2017-01-25 | 国网浙江平湖市供电公司 | Test system based on simulated intelligent electric energy meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709823A (en) * | 2018-12-26 | 2019-05-03 | 中国北方车辆研究所 | Information integration test method based on model |
| CN112213683A (en) * | 2019-12-20 | 2021-01-12 | 青岛鼎信通讯股份有限公司 | Simulation platform for electric energy meter test |
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