CN209342898U - One kind metering device scene that do not have a power failure changes the outfit electricity addscope - Google Patents
One kind metering device scene that do not have a power failure changes the outfit electricity addscope Download PDFInfo
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- CN209342898U CN209342898U CN201821937759.2U CN201821937759U CN209342898U CN 209342898 U CN209342898 U CN 209342898U CN 201821937759 U CN201821937759 U CN 201821937759U CN 209342898 U CN209342898 U CN 209342898U
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- 230000005611 electricity Effects 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000012550 audit Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to one kind metering device scenes that do not have a power failure to change the outfit electricity addscope, and technical characterstic is: including shell and its measuring circuit；The measuring circuit includes: voltage collection circuit, current collection circuit, AD measurement and power computation module, isolation module, main MCU module, wireless communication module and power module；The output end of the voltage collection circuit and current collection circuit is connected with AD measurement and power computation module respectively, obtains performance number after the voltage signal and current signal for acquiring tested electric energy meter by wiring；The AD measurement and power computation module are connected with isolation module, for realizing being isolated between forceful electric power and light current；The isolation module is connected with main MCU module, which is connected by wireless communication module with host computer, carries out data processing after the sampled data for reading electric current and voltage in real time.The utility model can in real time accurate measurement change the outfit during lose electricity.
Description
Technical field
The utility model belongs to Electric Energy Metering Technology field, is related to electricity addscope, especially a kind of metering dress that do not have a power failure
The scene of setting changes the outfit electricity addscope.
Background technique
Currently, all too many levels such as period rotation in gage work, failure replacement, calibrating replacement require not have a power failure and replace electricity
It can table.To ensure the uninterrupted electricity consumption of user, guarantee power supply quality, scene is frequently necessary to electrification and changes table.According to " electric energy metering device
Technical specification " it requires, when carrying out live replacement of electric energy meter, need first to be shorted terminal box electric current plectrum, then by voltage
Plectrum disconnects, and changes user's normal electricity consumption during table.But electric energy meter cannot achieve metering during changing table, cause electric quantity loss.Scene
When carrying out meter replacement, electric quantity loss is often calculated using artificial timing and average load predicted method, but since user uses
Electric load real-time change, actual value can not be accurate to by changing the table time in addition, caused user's voltameter that changes the outfit not calculated accurately really, be easy to draw
Recovery risk and electric quantity loss are played, especially during good service, be easy to cause user is dissatisfied to cause the service such as complaint
Risk.
Currently, high voltage customer metering device does not have a power failure when changing the outfit, generally changed using Wa Biaofa and power budget method to calculate
Electricity is lost during dress, such method is too simple, in addition, since customer charge fluctuation is larger, by usual mean power
Estimation, is difficult accurately to estimate the electricity that changes the outfit.In addition, due to during changing the outfit, when being related to power load compared with large user,
Its time that changes the outfit should be understood that regulation, and can exact timing.Therefore, it is necessary to propose a kind of electricity addscope, can accurately count in real time
Amount loses electricity during changing the outfit.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, propose a kind of reasonable, the convenient and practical and energy of design
The metering device scene that do not have a power failure of loss electricity changes the outfit electricity addscope during enough real-time accurate measurements change the outfit.
The utility model solves its realistic problem and adopts the following technical solutions to achieve:
One kind metering device scene that do not have a power failure changes the outfit electricity addscope, the measuring circuit including shell and its inside；It is described
Measuring circuit includes: voltage collection circuit, current collection circuit, AD measurement and power computation module, isolation module, main MCU
Module, wireless communication module and power module；The output end of the voltage collection circuit and current collection circuit is surveyed with AD respectively
Amount and power computation module are connected, and obtain after the voltage signal and current signal for acquiring tested electric energy meter by wiring
Performance number；AD measurement and power computation module be connected with isolation module, for realizing between forceful electric power and light current every
From；The isolation module is connected with main MCU module, which is connected by wireless communication module with host computer, uses
Data processing is carried out after the sampled data for reading electric current and voltage in real time；The power module includes external power supply module and lithium
Battery power supply module, the external power supply module and lithium battery power supply module are measured with AD respectively by supply voltage conversion module
And power computation module, isolation module are connected with main MCU module and power for it.
Moreover, the input terminal of the main MCU module is also connected with GPS module, it is fixed for realizing GPS clock synchronization and geography
Bit function.
Moreover, the input terminal of the main MCU module is also connected with high stability crystal oscillator module, during changing the outfit for monitoring device
The electric energy accumulative time.
Moreover, the main MCU module is also connected with calibration interface module, for receiving tested electrical energy meter electricity energy impulse,
Verification inspection is carried out to electric energy meter.
Moreover, the main MCU module is also connected with meter reading interface module, for realizing to multifunctional electric energy meter data with
The copy reading of its event data.
The advantages of the utility model and the utility model has the advantages that
1, the utility model electrification change table during electric quantity loss aiming at the problem that, propose one kind can during table is changed in electrification into
The electricity addscope of row metering, the electricity addscope can provide accurate foundation for the electricity that changes the outfit, exist for solving onsite user
When carrying out electric energy meter charged for replacement, accurate metering and the tariff recovery of electricity are lost, guarantees that the electricity electricity charge are accurately measured, particle is returned
Storehouse.
2, the utility model is set by the transformation to powermeter verification instrumeter by the voltage and current sampling of powermeter verification instrumeter
Standby completion data sampling, it is easy to operate, it does not need to carry additional instrument, can quick and precisely obtain the charge value during changing the outfit,
To effectively reduce and avoid changing the outfit electricity recovery when the client that may cause is dissatisfied and other disputes.Meanwhile passing through addition
The geo-location and host computer of instrument record equipment, it is ensured that site operation electricity recovery mark.Evidence is stayed, prevents from artificially counting
Calculate existing economic and security risk.
3, the electricity addscope of the utility model is transformed on the basis of powermeter verification instrumeter, by built-in wireless
Communication transfers data to tablet computer, completes data sampling, operation letter by the voltage and current sample devices of electricity addscope
List, i.e. mobile job-oriented terminal, do not need to carry additional instrument, can quick and precisely obtain the charge value during changing the outfit.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the utility model.
Specific embodiment
The utility model embodiment is described in further detail below in conjunction with attached drawing:
One kind metering device scene that do not have a power failure changes the outfit electricity addscope, as shown in Figure 1, including the measurement of shell and its inside
Circuit；The measuring circuit includes: voltage collection circuit, current collection circuit, AD measurement and power computation module, isolation mode
Block, main MCU module, wireless communication module and power module；The output end of the voltage collection circuit and current collection circuit point
It is not connected with AD measurement and power computation module, for acquiring the voltage signal and electric current letter of tested electric energy meter by wiring
Performance number is obtained after number；The AD measurement and power computation module are connected with isolation module, for realizing forceful electric power and light current
Between isolation；The isolation module is connected with main MCU module, which passes through wireless communication module and host computer
It is connected, carries out data processing after the sampled data for reading electric current and voltage in real time；The power module includes external supplies
Electric module and lithium battery power supply module, the external power supply module and lithium battery power supply module pass through supply voltage conversion module point
It is not connected with AD measurement and power computation module, isolation module and main MCU module and powers for it.
In the present embodiment, the input terminal of the main MCU module is also connected with GPS module, for realizing GPS clock synchronization with
And geographic positioning functionality.
In the present embodiment, the input terminal of the main MCU module is also connected with high stability crystal oscillator module, is used for monitoring device
The electric energy accumulative time during changing the outfit.
In the present embodiment, the main MCU module is also connected with calibration interface module, for receiving tested electrical energy meter electricity
Energy impulse carries out verification inspection to electric energy meter.
In the present embodiment, the main MCU module is also connected with meter reading interface module, for realizing to multifunctional electric energy
The copy reading of table data and its event data.
In the present embodiment, the utility model can add single-phase electric energy meter, three-phase three-wire electric energy meter, three-phase and four-line electric energy meter
Do not powered off the additional measurement of the electricity charge during changing the outfit, method particularly includes:
(1) single-phase electric energy meter is measured
Ua terminal is started to exchange fire line, and Uo terminal connects zero curve, and Ia current clamp accesses firewire, pays attention to polarity；
(2) metering three-phase three-wire electric energy meter
Ua, Uc terminal connect A phase and C phase voltage, and Uo terminal connects B phase voltage；
Ia and Ic current clamp accesses A, C current loop by polarity
(3) four line electric energy meter of metering three-phase
Ia, Ib and Ic current clamp access A, B and C current loop by polarity
Ua, Ub and Uc terminal connect A phase, B phase and C phase voltage, and Uo terminal connects neutral voltage；
Each module of the utility model is described in detail separately below:
(1) measurement to voltage signal voltage collection circuit: is realized by wiring；
(2) measurement to current signal current collection circuit: is realized by wiring；
(3) measurement and performance number to electric parameters such as voltage, electric current, phases AD measurement and power computation module: are realized
Operation, do basic operations for electric energy is accumulative；
(4) isolation module: realizing being isolated between forceful electric power and light current, and guarantee has enough dielectric strengths and pressure voltage, protects
Demonstrate,prove the safety of operator；
(5) main MCU module: the core of measuring device realizes data operation and data interaction；
(6) GPS module: can complete GPS time adjustment function, and the correctness of electrical energy measurement is effectively ensured；
(7) high stability crystal oscillator module: when being effectively ensured that electric energy is accumulative during device changes the outfit, the accuracy of time；
(8) calibration interface module: for receiving tested table electrical energy pulse, the verification audit function to electric energy meter is realized；
(9) meter reading interface module: the copy reading to multifunctional electric energy meter data and its event data is realized；
(10) wireless communication module: using WIFI communication mode, realizes that test equipment and tablet computer communicate, realizes man-machine
The data interaction at interface；
(11) supply voltage conversion module: being to convert single power supply mode to the power supply of equipment required voltage；
(12) external power supply/lithium battery power supply: the core drive of test equipment supports effective operation of test equipment.
(13) host computer (tablet computer): research and development control software reads sampled data and analytical calculation in real time, uses
Android6.0 or more operating system, simple and convenient UI operation interface can learn to use quickly.
It is emphasized that embodiment described in the utility model be it is illustrative, without being restrictive, therefore this is practical
Novel includes being not limited to embodiment described in specific embodiment, all according to the present utility model by those skilled in the art
The other embodiments that technical solution obtains also belong to the range of the utility model protection.
Claims (5)
- A kind of electricity addscope 1. metering device scene that do not have a power failure changes the outfit, it is characterised in that: the measurement including shell and its inside Circuit；The measuring circuit includes: voltage collection circuit, current collection circuit, AD measurement and power computation module, isolation mode Block, main MCU module, wireless communication module and power module；The output end of the voltage collection circuit and current collection circuit point It is not connected with AD measurement and power computation module, for acquiring the voltage signal and electric current letter of tested electric energy meter by wiring Performance number is obtained after number；The AD measurement and power computation module are connected with isolation module, for realizing forceful electric power and light current Between isolation；The isolation module is connected with main MCU module, which passes through wireless communication module and host computer It is connected, carries out data processing after the sampled data for reading electric current and voltage in real time；The power module includes external supplies Electric module and lithium battery power supply module, the external power supply module and lithium battery power supply module pass through supply voltage conversion module point It is not connected with AD measurement and power computation module, isolation module and main MCU module and powers for it.
- 2. one kind according to claim 1 does not have a power failure, metering device scene changes the outfit electricity addscope, it is characterised in that: described The input terminal of main MCU module is also connected with GPS module, for realizing GPS clock synchronization and geographic positioning functionality.
- 3. one kind according to claim 1 does not have a power failure, metering device scene changes the outfit electricity addscope, it is characterised in that: described The input terminal of main MCU module is also connected with high stability crystal oscillator module, the electric energy accumulative time during changing the outfit for monitoring device.
- 4. one kind according to claim 1 does not have a power failure, metering device scene changes the outfit electricity addscope, it is characterised in that: described Main MCU module is also connected with calibration interface module, for receiving tested electrical energy meter electricity energy impulse, carries out verification inspection to electric energy meter It looks into.
- 5. one kind according to claim 1 does not have a power failure, metering device scene changes the outfit electricity addscope, it is characterised in that: described Main MCU module is also connected with meter reading interface module, for realizing the copy reading to multifunctional electric energy meter data and its event data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937759.2U CN209342898U (en) | 2018-11-23 | 2018-11-23 | One kind metering device scene that do not have a power failure changes the outfit electricity addscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937759.2U CN209342898U (en) | 2018-11-23 | 2018-11-23 | One kind metering device scene that do not have a power failure changes the outfit electricity addscope |
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| CN209342898U true CN209342898U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821937759.2U Active CN209342898U (en) | 2018-11-23 | 2018-11-23 | One kind metering device scene that do not have a power failure changes the outfit electricity addscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791273A (en) * | 2021-07-26 | 2021-12-14 | 广东电网有限责任公司广州供电局 | Electric quantity compensation method, device, system and storage medium |
-
2018
- 2018-11-23 CN CN201821937759.2U patent/CN209342898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791273A (en) * | 2021-07-26 | 2021-12-14 | 广东电网有限责任公司广州供电局 | Electric quantity compensation method, device, system and storage medium |
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