CN202257764U - Integrated circuit (IC) card prepayment multi-user electric energy meter - Google Patents
Integrated circuit (IC) card prepayment multi-user electric energy meter Download PDFInfo
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- CN202257764U CN202257764U CN2011204542631U CN201120454263U CN202257764U CN 202257764 U CN202257764 U CN 202257764U CN 2011204542631 U CN2011204542631 U CN 2011204542631U CN 201120454263 U CN201120454263 U CN 201120454263U CN 202257764 U CN202257764 U CN 202257764U
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- electric energy
- energy meter
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Abstract
The utility model relates to an integrated circuit (IC) card prepayment multi-user electric energy meter, which comprises a power supply circuit, a micro control unit (MCU) circuit, a metering circuit and a relay driving circuit, wherein the metering circuit consists of a current sampling circuit, a voltage sampling circuit and a pulse output circuit; the peripheral equipment of the MCU circuit comprises a memory, the relay driving circuit, a liquid crystal display (LCD), an IC card and an upper computer; the current sampling circuit and the voltage sampling circuit respectively transmit a current signal and a voltage signal to the metering circuit; the metering circuit outputs the current signal and the voltage signal which are acquired to detection and check equipment and the MCU circuit in a pulse form; and the MCU circuit reads power-purchasing information in the IC card of a user, judges whether the user is in this area and power is supplied or not supplied to the user, and displays the information of the user on a liquid crystal screen of the LCD. The IC card prepayment multi-user electric energy meter is applicable to the occasion that a plurality of users share one electric energy meter, such as the occasion for irrigation of a pumping well. The IC card prepayment multi-user electric energy meter is a special multi-user charging electric energy meter which is high in safety, low in consumption cost, and convenient to use and maintain.
Description
Technical field
The utility model relates to a kind of IC-card pre-payment multiuser electric energy meter.
Background technology
At present, along with the progress of society and the develop rapidly of science and technology, an urgent demand electrical management moves towards standardization and robotization; But no matter existing prepayment meter is hybrid ammeter or full-electronic; The equal more complicated of its circuit, cost is high, uses all inconvenience of maintenance; Therefore, the prepayment meter of a kind of standardization and robotization becomes the focus that people pay close attention to.And some is used for the common occasion of using an electric energy meter of a plurality of users, as is used for the occasion of well irrigation, needs the special multi-user electric energy meter of charging, and is still waiting enterprise's exploitation.
Summary of the invention
The purpose of the utility model is to overcome the defective of prior art, provides a kind of component number few, and circuit is simple, and is safe, with low cost, uses, keeps in repair IC-card pre-payment multiuser electric energy meter more easily.
For realizing above-mentioned purpose; The utility model adopts a kind of IC-card pre-payment multiuser electric energy meter; Described IC-card pre-payment multiuser electric energy meter comprises power-supplying circuit, MCU circuit, metering circuit and relay drive circuit; Wherein, metering circuit is made up of current sampling circuit, voltage sampling circuit and impulse output circuit, and the peripheral hardware of MCU circuit has comprised storer, relay drive circuit, LCD demonstration, IC-card and host computer; Current sampling circuit and voltage sampling circuit pass to metering circuit with electric current and voltage signal respectively; Metering circuit is exported to detection and check and correction equipment and MCU circuit to electric current that collects and voltage signal with pulse, and the MCU circuit reads the information in user's IC-card, is provided with read-write card equipment between IC-card and the host computer; MCU circuit and memorizer information exchange drive relay drive circuit and LCD and show.
The utility model further is set to IC-card pre-payment multiuser electric energy meter again, and the working power of described MCU circuit, metering circuit and relay drive circuit is provided by power-supplying circuit.
Through adopting the IC-card pre-payment multiuser electric energy meter of the utility model, realized that the multi-user is common to use an electric energy meter to be used for occasions such as well irrigation, be a kind of special multi-user electric energy meter of charging.An electric energy meter can supply a plurality of IC-card users to use, and power consumption is recorded in the card separately, when in the card electric weight being arranged, and the power supply of closing a floodgate, when electric weight is used up in the card, the outage of operating a switch automatically.The also ultra function of holding outage of this money table, wherein user's peak load can be provided with.
Description of drawings:
Fig. 1 is the utility model embodiment principle framework synoptic diagram;
Fig. 2 is the utility model embodiment power unit;
Fig. 3 is the utility model embodiment computation chip power unit;
Fig. 4 is the utility model embodiment relay drive circuit;
Fig. 5 is the utility model example I C card interface circuit;
Fig. 6 is the utility model embodiment liquid-crystal display section;
Fig. 7 is the utility model embodiment memory circuit.
Embodiment:
Shown in Fig. 1-7; The embodiment of the utility model is an IC-card pre-payment multiuser electric energy meter; Described IC-card pre-payment multiuser electric energy meter comprises power-supplying circuit, MCU circuit, metering circuit and relay drive circuit; Wherein, metering circuit is made up of current sampling circuit, voltage sampling circuit and impulse output circuit, and the peripheral hardware of MCU circuit has comprised storer, relay drive circuit, LCD demonstration, IC-card and host computer; Current sampling circuit and voltage sampling circuit pass to metering circuit with electric current and voltage signal respectively; Metering circuit is exported to detection and check and correction equipment and MCU circuit to electric current that collects and voltage signal with pulse, and the MCU circuit reads the information in user's IC-card, is provided with read-write card equipment between IC-card and the host computer; MCU circuit and memorizer information exchange drive relay drive circuit and LCD and show.
The working power of described MCU circuit, metering circuit and relay drive circuit is provided by power-supplying circuit.
Claims (2)
1. IC-card pre-payment multiuser electric energy meter; It is characterized in that: described IC-card pre-payment multiuser electric energy meter comprises power-supplying circuit, MCU circuit, metering circuit and relay drive circuit; Wherein, metering circuit is made up of current sampling circuit, voltage sampling circuit and impulse output circuit, and the peripheral hardware of MCU circuit has comprised storer, relay drive circuit, LCD demonstration, IC-card and host computer; Current sampling circuit and voltage sampling circuit pass to metering circuit with electric current and voltage signal respectively; Metering circuit is exported to detection and check and correction equipment and MCU circuit to electric current that collects and voltage signal with pulse, and the MCU circuit reads the information in user's IC-card, is provided with read-write card equipment between IC-card and the host computer; MCU circuit and memorizer information exchange drive relay drive circuit and LCD and show.
2. IC-card pre-payment multiuser electric energy meter according to claim 1 is characterized in that: the working power of described MCU circuit, metering circuit and relay drive circuit is provided by power-supplying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204542631U CN202257764U (en) | 2011-10-31 | 2011-10-31 | Integrated circuit (IC) card prepayment multi-user electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204542631U CN202257764U (en) | 2011-10-31 | 2011-10-31 | Integrated circuit (IC) card prepayment multi-user electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257764U true CN202257764U (en) | 2012-05-30 |
Family
ID=46118975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204542631U Expired - Fee Related CN202257764U (en) | 2011-10-31 | 2011-10-31 | Integrated circuit (IC) card prepayment multi-user electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199176A (en) * | 2016-06-30 | 2016-12-07 | 芯海科技（深圳）股份有限公司 | A kind of multifunctional electric energy metering circuit saving system resource |
| CN106896265A (en) * | 2017-04-12 | 2017-06-27 | 泰州卓智信息技术有限公司 | A kind of electric energy meter and its special IC-card |
-
2011
- 2011-10-31 CN CN2011204542631U patent/CN202257764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199176A (en) * | 2016-06-30 | 2016-12-07 | 芯海科技（深圳）股份有限公司 | A kind of multifunctional electric energy metering circuit saving system resource |
| CN106896265A (en) * | 2017-04-12 | 2017-06-27 | 泰州卓智信息技术有限公司 | A kind of electric energy meter and its special IC-card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUABANG ELECTRIC POWER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG HUABANG ELECTRIC POWER METER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 325604 Zhejiang Province, Zhenlong Road No. 75 Yueqing North white elephant Patentee after: HUABANG POWER TECHNOLOGY CO., LTD. Address before: 325604 Zhejiang Province, Zhenlong Road No. 75 Yueqing North white elephant Patentee before: Zhejiang Hua Bang electric instrument Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20171031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |