CN102435803A - Modular carrier intelligent electric energy meter - Google Patents
Modular carrier intelligent electric energy meter Download PDFInfo
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- CN102435803A CN102435803A CN2011102620202A CN201110262020A CN102435803A CN 102435803 A CN102435803 A CN 102435803A CN 2011102620202 A CN2011102620202 A CN 2011102620202A CN 201110262020 A CN201110262020 A CN 201110262020A CN 102435803 A CN102435803 A CN 102435803A
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Abstract
The invention relates to a modular carrier intelligent electric energy meter, which is characterized in that a microcontroller, a storage module, a display module, an overload protection module, a clock module, a power processing module, a load identification electric energy metering module, a carrier module and a relay control module are integrated on a system on chip, wherein the storage module, the display module, the overload protection module, the clock module, the power processing module, the load identification electric energy metering module, the carrier module and the relay control module are respectively connected with the microcontroller; one ends of the overload protection module, the power processing module, the load identification electric energy metering module and the carrier module are connected with a live wire; and the other ends of the overload protection module, the power processing module, the load identification electric energy metering module and the carrier module are connected with a zero line. The invention aims to overcome the defects of the prior art and provides the modular carrier intelligent electric energy meter with few interfaces and high intelligent degree.
Description
[technical field]
The present invention relates to a kind of modularization carrier intelligent electric energy meter.
[background technology]
Intelligent grid progressively is applied in the middle of people's the life, in the electric energy meter of existing intelligent grid, exist several chips incorporate to cause the too much problem of interface, and intelligent degree is low, can not satisfy the requirement of intelligent grid system intelligent.
The present invention makes in view of the situation.
[summary of the invention]
The present invention has overcome the deficiency of prior art, provides few, the intelligent degree of a kind of interface high modularization carrier intelligent electric energy meter.
The present invention adopts following technical scheme for addressing the above problem:
Modularization carrier intelligent electric energy meter; It is characterized in that on System on Chip/SoC, being integrated with microcontroller, memory module, display module, overload protection module, clock module, power supply processing module, load identification electric energy metrical module, carrier module, relay control module; Described memory module, display module, overload protection module, clock module, power supply processing module, load identification electric energy metrical module, carrier module, relay control module all are connected with microcontroller; One end of described overload protection module, power supply processing module, load identification electric energy metrical module, carrier module is connected with live wire, and the other end is connected with zero line.
Aforesaid modularization carrier intelligent electric energy meter is characterized in that described microcontroller is the MCU chip.
Aforesaid modularization carrier intelligent electric energy meter is characterized in that described display module is LCD or LED.
The present invention compared with prior art has following advantage:
1, adopt novel master chip integrated modular functional structure, loaded down with trivial details interface is removed in wherein various function perfect adaptations from.
2, the needs that have many rates functional adaptation modern power network time-shared charge.
3, have load identification electric energy metrical and load memory identification anti-stealing electricity function.
4, arrearage outage, the energising remote control function.
5, overload protection power down function.
6, rely on low-voltage carrier communication promptly to use existing line of electric force to communicate by letter and remove taking from other resources.
[description of drawings]
Fig. 1 is a structured flowchart of the present invention.
[embodiment]
Below in conjunction with accompanying drawing the present invention is elaborated:
Modularization carrier intelligent electric energy meter; On System on Chip/SoC, be integrated with microcontroller 1, memory module 2, display module 3, overload protection module 4, clock module 5, power supply processing module 6, load identification electric energy metrical module 7, carrier module 8, relay control module 9; Described memory module 2, display module 3, overload protection module 4, clock module 5, power supply processing module 6, load identification electric energy metrical module 7, carrier module 8, relay control module 9 all are connected with microcontroller 1; One end of described overload protection module 4, power supply processing module 6, load identification electric energy metrical module 7, carrier module 8 is connected with live wire 11, and the other end is connected with zero line 12.
Through integrated technology, make a plurality of module desired combination, remove the too much problem of several chips incorporate interfaces from.
Wherein, microcontroller 1 is the MCU chip, can be 8,16 or 32 etc.
Memory module 2 main parameter and data of preserving electric energy meter work, data comprise that basic time, power consumption, dump energy, ammeter master data, work password, electrician make state and load waveform etc.
Display module 3 is LCD or LED, display module 3 explicit user information needed capable of circulation, comprise basic time on date, power consumption, dump energy purchase the electricity date.
Overload protection module 4 can adopt automatic switch or fuse, during operation, when making protective device like the employing automatic switch; The deferred action setting current should not allow load current greater than circuit for a long time; Its current-release device in the three-phase four-wire system of neutral ground, should be contained on the phase line; In the three-phase four-wire system of isolated neutral, allow to be installed in the two-phase; As when adopting fuse to make overload protection, the fused mass of fuse rated current should be not more than circuit permanent load electric current.
Clock module 5 adopts high precision I2C real-time clock (RTC), has integrated compensation crystal oscillator and crystal.This device comprises cell input terminal, still can keep accurate timing when breaking off primary power, and integrated crystal oscillator has improved the long-term degree of accuracy of device, and has reduced the number of elements of production line.
Load identification electric energy metrical module 7 is electric energy measurement data converters of high precision full electronic electric energy meter, the demand of can satisfy in time, digitizing critically being checked meter.Load identification electric energy metrical module can also realize load identification, divide load to divide functions such as time charging, load protection.
Described carrier module 4 connects microcontroller 1, and information, another side carrier module that microcontroller 1 accepts to handle carrier module 4 connect live wire 11, zero line 12, as transmission medium, do not need to spread in addition line with existing line of electric force again.Carrier module 4 adopts the 12V power supply, has standard RS232 interface and Transistor-Transistor Logic level interface, can directly be connected transceive data with the computer serial ports, also can directly be connected with RXD, the TXD of single-chip microcomputer, supports multiple interfaces, makes things convenient for data to connect communication.
Claims (3)
1. modularization carrier intelligent electric energy meter; It is characterized in that on System on Chip/SoC, being integrated with microcontroller (1), memory module (2), display module (3), overload protection module (4), clock module (5), power supply processing module (6), load identification electric energy metrical module (7), carrier module (8), relay control module (9); Described memory module (2), display module (3), overload protection module (4), clock module (5), power supply processing module (6), load identification electric energy metrical module (7), carrier module (8), relay control module (9) all are connected with microcontroller (1); One end of described overload protection module (4), power supply processing module (6), load identification electric energy metrical module (7), carrier module (8) is connected with live wire (11), and the other end is connected with zero line (12).
2. modularization carrier intelligent electric energy meter according to claim 1 is characterized in that described microcontroller (1) is the MCU chip.
3. modularization carrier intelligent electric energy meter according to claim 1 is characterized in that described display module (3) is LCD or LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102620202A CN102435803A (en) | 2011-09-06 | 2011-09-06 | Modular carrier intelligent electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102620202A CN102435803A (en) | 2011-09-06 | 2011-09-06 | Modular carrier intelligent electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102435803A true CN102435803A (en) | 2012-05-02 |
Family
ID=45983962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102620202A Pending CN102435803A (en) | 2011-09-06 | 2011-09-06 | Modular carrier intelligent electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102435803A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003014783A (en) * | 2002-04-25 | 2003-01-15 | Matsushita Electric Ind Co Ltd | Metering device |
| CN201247269Y (en) * | 2008-08-22 | 2009-05-27 | 宁波三星电气股份有限公司 | Electric energy meter |
| CN201518037U (en) * | 2009-09-23 | 2010-06-30 | 广东汇海华天科技有限公司 | Concentrator used for centralized meter reading system of low-voltage power consumers |
| CN201562317U (en) * | 2009-08-26 | 2010-08-25 | 河南新天科技有限公司 | Three-phase three-wire CPU card intelligent electric energy meter |
| CN201654995U (en) * | 2009-09-23 | 2010-11-24 | 广东汇海华天科技有限公司 | Acquisition terminal of centralized meter reading system for low-voltage power consumer |
| CN201955367U (en) * | 2010-12-30 | 2011-08-31 | 宁波三星电气股份有限公司 | Intelligent electric energy meter |
| CN202256422U (en) * | 2011-09-06 | 2012-05-30 | 五千年中科微电子（中山）有限公司 | Modularized intelligent electric energy meter |
-
2011
- 2011-09-06 CN CN2011102620202A patent/CN102435803A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003014783A (en) * | 2002-04-25 | 2003-01-15 | Matsushita Electric Ind Co Ltd | Metering device |
| CN201247269Y (en) * | 2008-08-22 | 2009-05-27 | 宁波三星电气股份有限公司 | Electric energy meter |
| CN201562317U (en) * | 2009-08-26 | 2010-08-25 | 河南新天科技有限公司 | Three-phase three-wire CPU card intelligent electric energy meter |
| CN201518037U (en) * | 2009-09-23 | 2010-06-30 | 广东汇海华天科技有限公司 | Concentrator used for centralized meter reading system of low-voltage power consumers |
| CN201654995U (en) * | 2009-09-23 | 2010-11-24 | 广东汇海华天科技有限公司 | Acquisition terminal of centralized meter reading system for low-voltage power consumer |
| CN201955367U (en) * | 2010-12-30 | 2011-08-31 | 宁波三星电气股份有限公司 | Intelligent electric energy meter |
| CN202256422U (en) * | 2011-09-06 | 2012-05-30 | 五千年中科微电子（中山）有限公司 | Modularized intelligent electric energy meter |
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Application publication date: 20120502 |