CN203422793U - Three-phase local charge-controlled intelligent ammeter - Google Patents
Three-phase local charge-controlled intelligent ammeter Download PDFInfo
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- CN203422793U CN203422793U CN201320581171.9U CN201320581171U CN203422793U CN 203422793 U CN203422793 U CN 203422793U CN 201320581171 U CN201320581171 U CN 201320581171U CN 203422793 U CN203422793 U CN 203422793U
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Abstract
The utility model relates to a three-phase local charge-controlled intelligent ammeter. The ammeter comprises a shell, and a microcontroller, an electric energy metering module, a sampling module, a power module and basic functional modules of a state grid three-phase local charge-controlled ammeter, which are arranged in the shell, wherein the electric energy metering module establishes a data transmission channel with the sampling module and a register respectively, and also establishes a two-way data exchange channel with the microcontroller through an SPI (serial peripheral interface) bus; the basic functional modules of the state grid three-phase local charge-controlled ammeter perform data exchange with the microcontroller; the power module is connected with the microcontroller, the electric energy metering module and the basic functional modules of the state grid three-phase local charge-controlled ammeter to supply power to the modules respectively. According to the ammeter, the register is additionally arranged on the state grid intelligent ammeter to realize the dual storage and display of electric energy; the ammeter is simple in circuit structure, reasonable in design and low in cost, can work stably and reliably, and has broad application prospect.
Description
Technical field
The utility model relates to a kind of electric power meter, particularly relates to a kind of three-phase local fee-control intelligent energy meter.
Background technology
At present, existing state net three-phase local fee-control intelligent energy meter, only has liquid crystal display, and when electric energy meter breaks down, people just cannot know by it the metering number of degrees of electric energy meter, does not meet people to the visible custom of metering intuitive display.And common three-phase electric energy meter only has register to show, there is no intelligent control part, it can not meet the demand of national grid development.
Summary of the invention
The purpose of this utility model is to overcome the weak point existing in above-mentioned technology, provide a kind of simple in structure, reasonable in design, working stability is reliable, has the three-phase local fee-control intelligent energy meter of dual memory and Presentation Function.
In order to achieve the above object, the technical solution adopted in the utility model is: comprise housing and be arranged on the microcontroller in housing, electric energy metering module, sampling module, power module and state's net three-phase local cost control electric energy meter basic function module, described electric energy metering module respectively with sampling module, register is set up data transmission channel, described sampling module is for carrying out voltage to three-phase alternating current, current sample, and send sampled data to electric energy metering module, described register is for storage and show total active energy, described electric energy metering module is also set up bidirectional data exchange passage by spi bus and microcontroller, realize the transmission of measuring parameter, described state's net three-phase local cost control electric energy meter basic function module is carried out exchanges data with microcontroller, for realizing the local charge control of electric energy meter, data storage, communication and liquid crystal display, described power module respectively with microcontroller, electric energy metering module, state's net three-phase local cost control electric energy meter basic function module is connected, for power supply.
The utility model has the advantages that:
1, circuit structure is simple, reasonable in design, working stability, and low cost of manufacture, working service is easy, measures electric weight dual memory and demonstration, has increased the reliability of electric energy meter;
2, on the basis of existing state net intelligent electric energy meter, be installed in addition with register, to overcome the limitation of existing intelligent electric energy meter liquid crystal display, storage, thereby realize dual memory and the demonstration of electric energy, after not only having met electric energy meter and breaking down, the necessity that metrical information is readable, can meet again the demand that national intelligent grid develops.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model microcontroller and minimum system thereof;
Fig. 3 is the circuit theory diagrams of the utility model electric energy metering module;
Fig. 4 is the circuit theory diagrams of the utility model register;
Fig. 5 is the circuit theory diagrams of the utility model sampling module;
Fig. 6 is the circuit theory diagrams of the utility model power module.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
From Fig. 1-Fig. 6, the utility model comprises housing and is arranged on the microcontroller 1 in housing, electric energy metering module 4, sampling module 6, power module 7 and state's net three-phase local cost control electric energy meter basic function module 8, described electric energy metering module 4 respectively with sampling module 6, register 3 is set up data transmission channel, described sampling module 6 is for carrying out voltage to three-phase alternating current 5, current sample, and send sampled data to electric energy metering module 4, described register 3 is for storage and show total active energy, described electric energy metering module 4 is also set up bidirectional data exchange passage by spi bus and microcontroller 1, realize the transmission of measuring parameter, described state's net three-phase local cost control electric energy meter basic function module 8 is carried out exchanges data with microcontroller 1, for realizing the local charge control of electric energy meter, data storage, communication and liquid crystal display, described power module 7 respectively with microcontroller 1, electric energy metering module 4, state's net three-phase local cost control electric energy meter basic function module 8 is connected, for power supply.
Described electric energy metering module 4 is also connected with pulse indicating module 2, and pulse indicating module 2 is for showing active power with impulse form metering.
The chip that described microcontroller 1 adopts is FM3308, and the computation chip that described electric energy metering module 4 adopts is ATT7026B.
A kind of three-phase local fee-control intelligent energy meter of the present utility model is mainly comprised of housing, microcontroller 1, electric energy metering module 4, sampling module 6, register 3, power module 7 and state's net three-phase local cost control electric energy meter basic function module 8.Microcontroller 1 adopts low-power consumption, jumbo FM3308 single-chip microcomputer, is the core of signal processing circuit; Electric energy metering module 4 adopts high-precision three-phase electrical energy computation chip ATT7026B, according to voltage, the current sampling data of the three-phase alternating current 5 of sampling module 6 inputs, calculate the measuring parameters such as electric current, voltage, power, electric energy and power factor, and through spi bus, continuous data is sent to microcontroller 1; Pulse indicating module 2 and register 3 obtain data and controlled by it from electric energy metering module 4, the former is for showing active power with impulse form metering, the speed of pulse has represented the size of active power, the latter is for storage and show total active energy, thereby meets the requirement that also can carry out the demonstration of electric energy registration when electric energy meter breaks down; State's net three-phase local cost control electric energy meter basic function module 8 comprises the basic function module such as local pre-payment module, tripping operation control circuit, data memory module, communication module and LCD MODULE, for realizing the basic local charge control of intelligent electric energy meter, data storage, communication and liquid crystal display; Power module 7 is obtained after transformation, rectification and voltage stabilizing by three-phase alternating current 5, for powering to microcontroller 1, electric energy metering module 4 and state's net three-phase local cost control electric energy meter basic function module 8, when circuit because user prepayment electric expense deficiency etc. is former thereby cut off, microcontroller 1 is battery-powered, to maintain the metering of electric energy, shows.
A kind of three-phase local fee-control intelligent energy meter of the present utility model is by being installed in addition with register, to overcome the limitation of existing intelligent electric energy meter liquid crystal display, storage, thereby realize dual memory and the demonstration of electric energy, after not only having met electric energy meter and breaking down, the necessity that metrical information is readable, improve the reliability of electric energy meter, can meet again the demand of national intelligent grid development; In addition, the utility model circuit structure is simple, reasonable in design, working stability, and low cost of manufacture, working service is easy.
Claims (3)
1. a three-phase local fee-control intelligent energy meter, comprise housing and be arranged on the microcontroller (1) in housing, electric energy metering module (4), sampling module (6), power module (7) and state's net three-phase local cost control electric energy meter basic function module (8), it is characterized in that: described electric energy metering module (4) respectively with sampling module (6), register (3) is set up data transmission channel, described sampling module (6) is for carrying out voltage to three-phase alternating current (5), current sample, and send sampled data to electric energy metering module (4), described register (3) is for storage and show total active energy, described electric energy metering module (4) is also set up bidirectional data exchange passage by spi bus and microcontroller (1), realize the transmission of measuring parameter, the described same microcontroller of state's net three-phase local cost control electric energy meter basic function module (8) (1) carries out exchanges data, for realizing the local charge control of electric energy meter, data storage, communication and liquid crystal display, described power module (7) respectively with microcontroller (1), electric energy metering module (4), state's net three-phase local cost control electric energy meter basic function module (8) is connected, for power supply.
2. a kind of three-phase local fee-control intelligent energy meter according to claim 1, it is characterized in that: described electric energy metering module (4) is also connected with pulse indicating module (2), pulse indicating module (2) is for showing active power with impulse form metering.
3. a kind of three-phase local fee-control intelligent energy meter according to claim 1, is characterized in that: the chip that described microcontroller (1) adopts is FM3308, and the computation chip that described electric energy metering module (4) adopts is ATT7026B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581171.9U CN203422793U (en) | 2013-09-22 | 2013-09-22 | Three-phase local charge-controlled intelligent ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581171.9U CN203422793U (en) | 2013-09-22 | 2013-09-22 | Three-phase local charge-controlled intelligent ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422793U true CN203422793U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320581171.9U Expired - Lifetime CN203422793U (en) | 2013-09-22 | 2013-09-22 | Three-phase local charge-controlled intelligent ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062495A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Touch type electric energy data test recorder |
| CN106093556A (en) * | 2016-05-30 | 2016-11-09 | 国网河南省电力公司南阳供电公司 | Novel combination type intelligent electric energy meter |
-
2013
- 2013-09-22 CN CN201320581171.9U patent/CN203422793U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062495A (en) * | 2014-07-03 | 2014-09-24 | 国家电网公司 | Touch type electric energy data test recorder |
| CN106093556A (en) * | 2016-05-30 | 2016-11-09 | 国网河南省电力公司南阳供电公司 | Novel combination type intelligent electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |