CN206756889U - A kind of intelligent electric energy meter - Google Patents
A kind of intelligent electric energy meter Download PDFInfo
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- CN206756889U CN206756889U CN201720429474.7U CN201720429474U CN206756889U CN 206756889 U CN206756889 U CN 206756889U CN 201720429474 U CN201720429474 U CN 201720429474U CN 206756889 U CN206756889 U CN 206756889U
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- 238000005259 measurement Methods 0.000 claims abstract description 25
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of intelligent electric energy meter.Once there is hardware or software fault in existing electric energy meter, can only change whole electric energy meter everything goes well with your work ensureing electric-power metering and carry out；If in addition, wanting to extend the function of updating and management unit, it also can only more renew table.Intelligent electric energy meter of the present utility model includes legality measurement unit and administrative unit, described legality measurement unit includes the first micro-chip processor, described administrative unit includes the second micro-chip processor, and the first described micro-chip processor is connected with the second micro-chip processor by interface；After the first described micro-chip processor obtains electric quantity data, and interval preserves current electric quantity data according to set time；The second described micro-chip processor obtains the electric quantity data of setting time interval preservation from the first micro-chip processor by interface and settled accounts.The utility model can improve the accuracy and reliability of electric energy meter legality measurement unit, support the Function Extension of administrative unit.
Description
Technical field
Electric energy meter field is the utility model is related to, especially a kind of intelligent electric energy meter.
Background technology
At present, China's electric energy meter is the integrated design, and design on hardware and software compares solidification, using single microprocessor core
The legality measurement unit of piece, i.e. electric energy meter and the function of administrative unit are realized by same micro-chip processor.Legality measurement list
First main responsible electric energy meter is active and reactive and the metering of the data such as hour hands；Part in addition to legal system metering units is referred to as pipe
Manage unit.Due to being designed using single micro-chip processor, once there is hardware or software fault, can only change whole electricity in electric energy meter
Can table everything goes well with your work ensureing electric-power metering carries out, can so cause the waste of resource.In addition, as existing electrity market is to electricity
The functional requirement of energy table is more and more, the implementation of such as more rate electricity prices and pricing for segment charging measure, if thinking extension upgrading pipe
The function of unit is managed, also can only more renew table.
Utility model content
Technical problem to be solved in the utility model is for existing electric energy meter legality measurement unit and administrative unit
The situation that function is realized by same micro-chip processor and administrative unit can not upgrade provides a kind of legality measurement unit and pipe
Unit is managed each using micro-chip processor and the intelligent electric energy meter of the expansible upgrading of administrative unit.
Therefore, the technical solution adopted in the utility model is：A kind of intelligent electric energy meter, including legality measurement unit and management
Unit, described legality measurement unit include the first micro-chip processor, and described administrative unit includes the second micro-chip processor, institute
The first micro-chip processor stated is connected with the second micro-chip processor by interface；
After the first described micro-chip processor obtains electric quantity data, and interval preserves current electric quantity number according to set time
According to；The second described micro-chip processor obtains the electric quantity data of setting time interval preservation by interface from the first micro-chip processor
And settled accounts.
Further, in order to improve the transmission rate between the first micro-chip processor and the second micro-chip processor, first is micro-
Connected between process chip and the second micro-chip processor using SPI interface, the second micro-chip processor is as main SPI, first micro- place
Chip is managed to be used as from SPI.
Further, described legality measurement unit also include computation chip, clock chip, memory, RS485 interfaces and
Battery；The computation chip, clock chip, memory, RS485 interfaces and battery are connected with the first described micro-chip processor
Connect, be responsible for controlling each several part of legal system metering units by the first micro-chip processor；Described computation chip is carried out to energy data
Metering, switchs to electric quantity data.
Further, computation chip is connected with voltage sampling circuit and current sampling circuit respectively, and computation chip is to electricity
The energy data that pressure sample circuit and current sampling circuit collect is measured, and switchs to electric quantity data.
Further, described computation chip is integrated on the first micro-chip processor.
Further, described administrative unit also includes LCD display, communication module, memory module and battery；Described
LCD display, communication module, memory module and battery are connected with the second micro-chip processor, are born by the second micro-chip processor
The each several part of duty control administrative unit.
Existing intelligent electric energy meter is designed using single MCU, and the function of legality measurement unit and administrative unit all passes through one
Individual MCU is realized.The utility model is separated legality measurement unit and administrative unit, and legality measurement unit is by the first microprocessor
Chip is responsible for, and administrative unit is responsible for by the second micro-chip processor.Legality measurement unit and administrative unit are carried out into separation has such as
Lower advantage：
1st, administrative unit breaks down, and without changing whole electric energy meter, only need to change administrative unit, save maintenance
Cost.
2nd, the respective independent operating of the first micro-chip processor and the second micro-chip processor, does not interfere with each other, ensure that legality measurement
The accuracy of unit, safety and reliability.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments.
Fig. 1 shows a kind of embodiment of the present utility model, and it is made up of legality measurement unit and administrative unit, legal system
Metering units are made up of the first micro-chip processor, computation chip, clock chip, memory, RS485 interfaces and battery, the metering
Chip, clock chip, memory, RS485 interfaces and battery are connected with the first micro-chip processor, and computation chip is adopted with voltage
Sample circuit is connected with current sampling circuit, the electric energy number that computation chip collects to voltage sampling circuit and current sampling circuit
According to being measured, switch to electric quantity data, each several part of legality measurement unit is responsible for coordinating control by the first micro-chip processor, described
The first micro-chip processor obtain electric quantity data after, and by 1 minute interval preserve current electric quantity data.
Administrative unit is made up of the second micro-chip processor, LCD display, communication module, memory module and battery, the LCD
Display, communication module, memory module and battery are connected with the second micro-chip processor.The each several part of administrative unit is by second
Micro-chip processor is responsible for and controlled.The second described micro-chip processor obtains preservation per minute from the first micro-chip processor
Electric quantity data is simultaneously settled accounts.
First micro-chip processor is connected with the second micro-chip processor to be connected using SPI interface, the second micro-chip processor conduct
Main SPI, the first micro-chip processor are used as from SPI.Using SPI interface, transmission rate is very fast, and reliability is high.
The utility model separates legality measurement unit with administrative unit, and legality measurement unit is born by the first micro-chip processor
Duty, administrative unit are responsible for by the second micro-chip processor, and SPI interface is used between the first micro-chip processor and the second micro-chip processor
Connection.After legality measurement unit is isolated with administrative unit, administrative unit breaks down, and without changing whole electric energy meter, only needs
Administrative unit is changed, saves maintenance cost.The respective independent operating of first micro-chip processor and the second micro-chip processor, mutually
Do not disturb, ensure that accuracy, the safety and reliability of legality measurement unit.Legality measurement unit is isolated with administrative unit
Afterwards, the function of administrative unit can be extended, upgraded on the premise of ensureing that metering accuracy is unaffected.
For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident.
Therefore, appended claims should regard the whole variations and modifications for covering true intention and scope of the present utility model as.
Any and all scope and content of equal value, are all considered as still belonging to intention of the present utility model and model in Claims scope
In enclosing.
Claims (6)
1. a kind of intelligent electric energy meter, including legality measurement unit and administrative unit, it is characterised in that
Described legality measurement unit includes the first micro-chip processor, and described administrative unit includes the second micro-chip processor, institute
The first micro-chip processor stated is connected with the second micro-chip processor by interface；
After the first described micro-chip processor obtains electric quantity data, and interval preserves current electric quantity data according to set time；Institute
The electric quantity data that the second micro-chip processor stated obtains the preservation of setting time interval by interface from the first micro-chip processor is gone forward side by side
Row clearing.
2. intelligent electric energy meter according to claim 1, it is characterised in that：The first described micro-chip processor and second micro- place
Connected between reason chip using SPI interface, the second micro-chip processor is used as from SPI as main SPI, the first micro-chip processor.
3. intelligent electric energy meter according to claim 1, it is characterised in that：Described legality measurement unit also includes metering core
Piece, clock chip, memory, RS485 interfaces and battery；The computation chip, clock chip, memory, RS485 interfaces and battery
It is connected with the first micro-chip processor, is responsible for controlling each several part of legal system metering units by the first micro-chip processor；Described
Computation chip measures to energy data, switchs to electric quantity data.
4. intelligent electric energy meter according to claim 3, it is characterised in that：Described computation chip is electric with voltage sample respectively
Road is connected with current sampling circuit, and the energy data that computation chip collects to voltage sampling circuit and current sampling circuit enters
Row metering, switchs to electric quantity data.
5. intelligent electric energy meter according to claim 3, it is characterised in that：Described computation chip is integrated in the first microprocessor
On chip.
6. intelligent electric energy meter according to claim 1, it is characterised in that：Described administrative unit also include LCD display,
Communication module, memory module and battery, the LCD display, communication module, memory module and battery and the second micro-chip processor phase
Connection, it is responsible for controlling each several part of administrative unit by the second micro-chip processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429474.7U CN206756889U (en) | 2017-04-21 | 2017-04-21 | A kind of intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429474.7U CN206756889U (en) | 2017-04-21 | 2017-04-21 | A kind of intelligent electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756889U true CN206756889U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720429474.7U Active CN206756889U (en) | 2017-04-21 | 2017-04-21 | A kind of intelligent electric energy meter |
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| Country | Link |
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| CN (1) | CN206756889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970252A (en) * | 2017-04-21 | 2017-07-21 | 国网浙江省电力公司电力科学研究院 | A kind of intelligent electric energy meter |
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2017
- 2017-04-21 CN CN201720429474.7U patent/CN206756889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970252A (en) * | 2017-04-21 | 2017-07-21 | 国网浙江省电力公司电力科学研究院 | A kind of intelligent electric energy meter |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID ZHEJIANG ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220325 Address after: 311100 Building 5, 138 Yunlian Road, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Marketing service center of State Grid Zhejiang Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |