CN203455899U - Intelligent ammeter for single-phase locomotive - Google Patents
Intelligent ammeter for single-phase locomotive Download PDFInfo
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- CN203455899U CN203455899U CN201320581097.0U CN201320581097U CN203455899U CN 203455899 U CN203455899 U CN 203455899U CN 201320581097 U CN201320581097 U CN 201320581097U CN 203455899 U CN203455899 U CN 203455899U
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- 230000003137 locomotive effect Effects 0.000 title abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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Abstract
The utility model relates to an intelligent ammeter for a single-phase locomotive. The intelligent ammeter for the single-phase locomotive comprises a shell, and a micro controller, an electricity energy measurement module, a sampling module, a power supply module and a single-phase intelligent ammeter basic functional module which are arranged in the shell, wherein the electricity energy measurement module respectively establishes data transmission channels with the sampling module and a register; the register is used for storing and displaying the total active electricity energy; the electricity energy measurement module establishes a bidirectional data exchange channel with the micro controller through an SPI (serial peripheral interface) bus so as to transmit measurement parameters; the single-phase intelligent ammeter basic functional module and the micro controller are in data exchange; the power supply module respectively supplies electricity to the micro controller, the electricity energy measurement module and the single-phase intelligent ammeter basic functional module. The intelligent ammeter for the single-phase locomotive, which is provided by the utility model, is simple in circuit structure, is reasonable in design, is stable and reliable in operation, is low in cost, is provided with the register additionally based on an existing single-phase intelligent ammeter, and achieves the dual-storage and display of electricity energy.
Description
Technical field
The utility model relates to a kind of electric power meter, particularly relates to a kind of one camera vehicle intelligent electric energy meter.
Background technology
At present, along with China's economic high speed development, locomotive will become the preferred traffic instrument of most people trip, but the electric energy meter using in normal electrical network cannot be realized the electric energy metrical on locomotive.Existing single-phase intelligent electric 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 single-phase electric energy meter, only have register to show, there is no intelligent control part, it can not meet the demand of national grid development, the shock resistance that what is more important electricity for locomotive can be shown his-and-hers watches requires high, and electricity for locomotive amount is large, and CT, PT no-load voltage ratio are large, so it is higher that electricity for locomotive can be shown the minimum measurement unit requirement of his-and-hers watches, the minimum measurement unit of common register cannot meet measuring requirement.
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, resolving power is high, has the one camera vehicle intelligent electric 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 single-phase intelligent 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 single-phase intelligent electric energy meter basic function module is carried out exchanges data with microcontroller, for realizing the data storage of electric energy meter, communication, open circuit and control and liquid crystal display, described power module is given respectively microcontroller, electric energy metering module, the power supply of single-phase intelligent electric energy meter basic function module.
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 single-phase 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;
3, adopt RN8209 electric energy computation chip and the register of high resolution, met the high request that electricity for locomotive can be shown his-and-hers watches minimum measurement units;
4, adopt novel power supply supply network, no matter external circuit is connected or disconnects, and all can guarantee the normal operation of microcontroller, has improved the reliability of electric energy meter.
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 single-phase intelligent 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 single-phase intelligent electric energy meter basic function module 8 is carried out exchanges data with microcontroller 1, for realizing the data storage of electric energy meter, communication, open circuit and control and liquid crystal display, described power module 7 is given respectively microcontroller 1, electric energy metering module 4, 8 power supplies of single-phase intelligent electric energy meter basic function module.
Described power module 7 comprises external power source 9, battery supply 11 and power supply switch circuit 10, described external power source 9 is connected with power supply switch circuit 10 respectively with battery supply 11, when connecting for circuit, external power source 9 powers to microcontroller 1, electric energy metering module 4 and single-phase intelligent electric energy meter basic function module 8, battery supply 11 is to microcontroller 1 power supply during for circuitry cuts, and power supply switch circuit 10 is for realizing the automatic switchover of external power source, battery power.
Described battery supply 11 is lithium battery.
The chip that described microcontroller 1 adopts is FM3307, and the computation chip that electric energy metering module 4 adopts is RN8209.
The minimum measurement unit of described register 3 is 0.001kWh.
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.
A kind of one camera vehicle intelligent electric energy meter of the present utility model is mainly comprised of housing, microcontroller 1, electric energy metering module 4, sampling module 6, register 3, pulse indicating module 2, power module 7 and single-phase intelligent electric energy meter basic function module 8.Microcontroller 1 adopts low-power consumption, jumbo FM3307 single-chip microcomputer, is the core of signal processing circuit; Electric energy metering module 4 adopts the single-phase electric energy computation chip RN8209 of high resolution, according to voltage, the current sampling data of the single-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, and pulse indicating module 2 is for showing active power with impulse form metering, and the speed of pulse has represented the size of active power; Register 3 is for storage and show total active energy, thereby meet the requirement that also can carry out the demonstration of electric energy registration when electric energy meter breaks down, and the minimum measurement unit of register 3 is 0.001kWh, met electricity for locomotive and can show the high request because of CT, the minimum measurement unit of the large his-and-hers watches of PT no-load voltage ratio; Single-phase intelligent electric energy meter basic function module 8 comprises the basic function module such as data memory module, communication module, tripping operation control circuit and LCD MODULE, for realizing the basic data storage of intelligent electric energy meter, communication, opening circuit and control and liquid crystal display.
A kind of design proposal of sampling module 6 is: it comprises current sampling circuit and voltage sampling circuit, and current sampling circuit is mainly comprised of current transformer and resistance-capacitance network, and voltage sampling circuit is mainly comprised of voltage transformer (VT) and resistance-capacitance network.
A kind of design proposal of power module 7 is: it comprises external power source 9, battery supply 11 and power supply switch circuit 10, external power source 9 is connected with power supply switch circuit 10 respectively with battery supply 11, external power source 9 is obtained after transformation, rectification and voltage stabilizing by single-phase alternating current 5, while connecting for circuit, to microcontroller 1, electric energy metering module 4 and single-phase intelligent electric energy meter basic function module 8, power, battery supply 11 is to microcontroller 1 power supply during for circuitry cuts, and power supply switch circuit 10 is for realizing the automatic switchover of external power source, battery power.
A kind of one camera vehicle intelligent electric energy meter of the present utility model is by being installed in addition with register, to overcome the limitation of existing single-phase 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 (6)
1. an one camera vehicle intelligent electric 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 single-phase intelligent 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 single-phase intelligent electric energy meter basic function module (8) (1) carries out exchanges data, for realizing the data storage of electric energy meter, communication, open circuit and control and liquid crystal display, described power module (7) is given respectively microcontroller (1), electric energy metering module (4), single-phase intelligent electric energy meter basic function module (8) power supply.
2. a kind of one camera vehicle intelligent electric energy meter according to claim 1, it is characterized in that: described power module (7) comprises external power source (9), battery supply (11) and power supply switch circuit (10), described external power source (9) is connected with power supply switch circuit (10) respectively with battery supply (11), when external power source (9) is connected for circuit to microcontroller (1), electric energy metering module (4) and single-phase intelligent electric energy meter basic function module (8) power supply, battery supply (11) is powered to microcontroller (1) during for circuitry cuts, power supply switch circuit (10) is for realizing external power source, the automatic switchover of battery power.
3. a kind of one camera vehicle intelligent electric energy meter according to claim 2, is characterized in that: described battery supply (11) is lithium battery.
4. a kind of one camera vehicle intelligent electric energy meter according to claim 1, is characterized in that: the chip that described microcontroller (1) adopts is FM3307, and the computation chip that electric energy metering module (4) adopts is RN8209.
5. a kind of one camera vehicle intelligent electric energy meter according to claim 1, is characterized in that: the minimum measurement unit of described register (3) is 0.001kWh.
6. a kind of one camera vehicle intelligent electric 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581097.0U CN203455899U (en) | 2013-09-22 | 2013-09-22 | Intelligent ammeter for single-phase locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320581097.0U CN203455899U (en) | 2013-09-22 | 2013-09-22 | Intelligent ammeter for single-phase locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455899U true CN203455899U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320581097.0U Expired - Lifetime CN203455899U (en) | 2013-09-22 | 2013-09-22 | Intelligent ammeter for single-phase locomotive |
Country Status (1)
| Country | Link |
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| CN (1) | CN203455899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112327177A (en) * | 2020-11-03 | 2021-02-05 | 镇江市公共交通有限公司 | Method and device for testing abnormal electricity consumption of new energy automobile |
-
2013
- 2013-09-22 CN CN201320581097.0U patent/CN203455899U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112327177A (en) * | 2020-11-03 | 2021-02-05 | 镇江市公共交通有限公司 | Method and device for testing abnormal electricity consumption of new energy automobile |
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| 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: 20140226 |