CN202330553U

CN202330553U - Intelligent electronic electric energy meter

Info

Publication number: CN202330553U
Application number: CN2011204952960U
Authority: CN
Inventors: 戴曰梅; 袁会杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-02
Filing date: 2011-12-02
Publication date: 2012-07-11
Anticipated expiration: 2021-12-02

Abstract

The utility model relates to an intelligent electronic electric energy meter, which comprises a single chip microcomputer, a voltage collection module, a current collection module, an electric energy metering module, a driving module, a displayer and a communication interface circuit which are electrically connected. The intelligent electronic electric energy meter integrates an electric energy metering circuit, a single chip microcomputer circuit, a display device and the communication interface circuit, and has the function of data exchange with an automatic data reading system through network communication. Furthermore, the electric energy meter can complete a counting and operating process of electricity consumption itself, data displayed by the displayer and data read by the automatic data reading system are both completed through calculation of the single chip microcomputer arranged in the electronic electric energy meter, consistency between the data displayed by the displayer and information read by the automatic data reading system is guaranteed, automatic data reading errors are eliminated, and the intelligent electronic electric energy meter can be remotely controlled by the automatic meter reading system..

Description

A kind of smart electronics electric energy meter

Technical field

The utility model relates to the electronic electric energy meter technical field, specifically, relates to a kind of smart electronics electric energy meter.

Background technology

At present, Automatic meter reading system is widely used in the electric energy meter that the resident uses.Existing Automatic meter reading system metering accuracy is poor, the data of Automatic meter reading system copy reading and the phenomenon that the electric energy meter data presented is not inconsistent often occur, and causes bigger data acquisition error; And this type Automatic meter reading system majority only has " checking meter " function, and operation, fault and the power information of not being in the action and promptly can't obtaining user's electric energy meter are so can't manage ammeter equipment automatically.

The utility model content

The technical matters that the utility model will solve is to above deficiency, and a kind of smart electronics electric energy meter simple in structure, easy to use is provided, and metering accuracy is high, and can realize Automatic meter reading system is carried out telemanagement through communication network.

In order to solve above technical matters; The technical scheme that the utility model adopts is following: a kind of smart electronics electric energy meter is characterized in that: said electronic electric energy meter comprises single-chip microcomputer, voltage acquisition module, current acquisition module, electric energy metrical module, driving circuit, display and the communication interface circuit of electrical connection;

Said electric energy metrical module comprises IC; IC adopts chip ADE7755; The V1P end of IC is through parallel resistor R3 and capacitor C 1 ground connection, and the V1P of IC holds the positive input terminal that connects input signal through resistance R 1, and the V1N end of IC is through parallel resistor R4 and capacitor C 2 ground connection; The V1N end of IC connects the negative input end of input signal through resistance R 2; The V1N end of IC is held through the V2N that capacitor C 3 connects IC, and the V2N end of IC is through parallel resistor R5 and capacitor C 4 ground connection, and the V2P of IC holds through parallel resistor R6 and capacitor C 5 ground connection.

The utility model is taked above technical scheme; Have the following advantages: the utility model is integrated in one ic for energy metering, single chip circuit, display device, communication interface circuit; Form intelligentized electronic electric energy meter; Make it have the function that to carry out exchanges data through network service and Automatic meter reading system; And electric energy meter itself can accomplish the counting calculating process to power consumption, and the data that its display data presented and Automatic meter reading system read all are to be calculated by the single-chip microcomputer that is provided with in the electronic electric energy meter to accomplish, and have guaranteed that electronic electric energy meter video data and Automatic meter reading system read the consistance of information; Eliminated the automatic data logging error, and can realize being carried out telemanagement by Automatic meter reading system.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Description of drawings

Accompanying drawing 1 is the circuit block diagram of electronic electric energy meter among the utility model embodiment;

Accompanying drawing 2 is circuit theory diagrams of electric energy metrical module among the utility model embodiment.

Among the figure,

The 1-single-chip microcomputer, 2-voltage acquisition module, 3-current acquisition module, 4-electric energy metrical module, 5-driving circuit, 6-display, 7-communication interface circuit.

Embodiment

Embodiment, as shown in Figure 1, a kind of smart electronics electric energy meter comprises single-chip microcomputer 1, voltage acquisition module 2, current acquisition module 3, electric energy metrical module 4, driving circuit 5, display 6 and the communication interface circuit 7 of electrical connection.

The voltage analog signal that voltage acquisition module 2 will be gathered electrical network sends the voltage input end of electric energy metrical module 4 to; Current acquisition module 3 sends the current analog signal of circuit to the current input terminal of electric energy metrical module 4; The digital signal of electric energy metrical module 4 sends single-chip microcomputer 1 to; The digital signal of single-chip microcomputer 1 output transmits with driving circuit 5 and communication interface circuit 7 respectively through the SPI interface each other, and driving circuit 5 driving displays 6 show.

As shown in Figure 2; Electric energy metrical module 4 comprises IC, and IC adopts chip ADE7755, and the V1P end of IC is through parallel resistor R3 and capacitor C 1 ground connection; The V1P end of IC connects the positive input terminal of input signal through resistance R 1; The V1N end of IC is through parallel resistor R4 and capacitor C 2 ground connection, and the V1N of IC holds the negative input end that connects input signal through resistance R 2, and the V1N end of IC connects the V2N end of IC through capacitor C 3; The V2N end of IC is through parallel resistor R5 and capacitor C 4 ground connection, and the V2P of IC holds through parallel resistor R6 and capacitor C 5 ground connection.

The principle of work of the utility model is: the communication interface circuit 7 of this device is connected with the data communication line of Automatic meter reading system; Can carry out exchanges data through network service and Automatic meter reading system: Automatic meter reading system can send command information to the single-chip microcomputer 1 of electronic electric energy meter, also can directly read ammeter data from communication interface circuit 7.User's electric energy consumption signal is input to electric energy metrical module 4 through voltage acquisition module 2 and current acquisition module 3 and converts pulse signal to; Be input to single-chip microcomputer 1 again and count computing; Single-chip microcomputer 1 is kept at the counting operational data on the one hand and supplies Automatic meter reading system to read in the machine; Be converted into shows signal output on the one hand; Show power consumptions through driving circuit 5 driving displays 6, when Automatic meter reading system when this address electric energy meter sends read signal, single-chip microcomputer 1 promptly is input to Automatic meter reading system to the counting of the power consumption in memory operation result through communication interface circuit 7 and data line; When electric energy meter or communication line broke down, kilowatt meter reading-out system can not get back-signalling, promptly can obtain the information of device fails immediately, implemented electric energy meter is managed automatically.

Claims

1. smart electronics electric energy meter, it is characterized in that: said electronic electric energy meter comprises single-chip microcomputer (1), voltage acquisition module (2), current acquisition module (3), electric energy metrical module (4), driving circuit (5), display (6) and the communication interface circuit (7) of electrical connection;

Said electric energy metrical module (4) comprises IC; IC adopts chip ADE7755; The V1P end of IC is through parallel resistor R3 and capacitor C 1 ground connection, and the V1P of IC holds the positive input terminal that connects input signal through resistance R 1, and the V1N end of IC is through parallel resistor R4 and capacitor C 2 ground connection; The V1N end of IC connects the negative input end of input signal through resistance R 2; The V1N end of IC is held through the V2N that capacitor C 3 connects IC, and the V2N end of IC is through parallel resistor R5 and capacitor C 4 ground connection, and the V2P of IC holds through parallel resistor R6 and capacitor C 5 ground connection.