CN205539186U - Based on smart power grids management electric energy meter - Google Patents

Abstract

The utility model discloses an electric energy meter based on smart grid management, which comprises a microprocessor chip, a power supply module, an infrared communication module and an electric energy metering module. The microprocessor chip is respectively connected with the power supply module and the infrared communication module, and the The power supply module is connected with the infrared communication module, the infrared communication module is connected with the electric energy metering module, and the microprocessor chip is also connected with a USB interface, a pulse output, an optical fiber Ethernet port and an LCD display interface. The utility model design In view of the large number of applications of electric energy meters using photoelectric transformers in the field of smart grids, it effectively integrates a series of functions such as data collection, electric energy measurement, and process management, and promotes the realization of intelligent and networked electricity management. To meet the urgent needs of smart grid development.

Description

An electric energy meter based on smart grid management

technical field

The utility model relates to an electric energy meter based on smart grid management, in particular to an electric energy meter for data management based on a photoelectric transformer, which belongs to the field of electric energy measurement of electric energy systems.

Background technique

In the development of smart grid, the application of digital substations and photoelectric transformers has reached the stage of engineering practice. In digital substations, equipment and integrated automation systems based on IEC61850 have been widely used, which puts forward intelligent requirements for electric energy management systems. At present, the company has developed a remote meter reading device for electric energy based on IEC61850. As the core equipment for electric energy measurement, the electric energy meter must adapt to the requirements of the intelligent grid. From the existing engineering application electric energy meter, it can be applied to the photoelectric transformer. , the RS485 transmission method is still used in the electric energy management system, and it cannot be applied to the intelligent electric energy management system and the digital integrated substation automation system in the form of intelligent equipment at the same time, so it is developed to adapt to the development of the smart grid and is also suitable for photoelectric transformers. Digital multi-function electric energy meters with intelligent electric energy management systems have become an urgent need.

Utility model content

The purpose of this utility model is: to provide a smart grid-based management electric energy meter, aiming at a large number of applications of electric energy meters using photoelectric transformers in the field of smart grids, to effectively collect data, measure electric energy, process management and other series of functions Integrate into one, and provide different functional modules at the same time.

In order to achieve the above object, the utility model adopts the following technical solutions:

An electric energy meter based on smart grid management, including a microprocessor chip, a power supply module, an infrared communication module and an electric energy metering module, the microprocessor chip is connected to the power supply module and the infrared communication module respectively, and the power supply module is connected to the infrared communication module The communication modules are connected, the infrared communication module is connected with the electric energy metering module, and the microprocessor chip is also connected with a USB interface, a pulse output, an optical fiber Ethernet port and an LCD display interface.

Preferably, the microprocessor chip is a PowerPC series chip with a 32-bit RISC embedded dual processor structure.

Preferably, the optical fiber Ethernet port supports the IEC61850 standard.

Preferably, the model of the power module is MPS2451.

Preferably, the infrared communication module is connected to the electric energy metering module through an SPI interface.

The beneficial effect of the utility model is that, aiming at the large application of the electric energy meter using the photoelectric transformer in the field of smart grid, it effectively integrates a series of functions such as data collection, electric energy measurement, process management, etc., and promotes the realization of electricity consumption. The management is intelligent and networked, and the functional modules are customized according to user needs, providing users with a diversified user experience.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Among them, 1—microprocessor chip, 2—power supply module, 3—infrared communication module, 4—USB interface, 5—pulse output, 6—optical fiber Ethernet port, 7—LCD display interface, 8—electric energy metering module.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Example

As shown in Figure 1, a kind of energy meter based on smart grid management includes a microprocessor chip 1, a power module 2, an infrared communication module 3 and an electric energy metering module 8, and the microprocessor chip 1 is connected with the power module 2, infrared Communication module 3 is connected, and described power supply module 2 is connected with infrared communication module 3, and described infrared communication module 3 is connected with electric energy metering module 8, and described microprocessor chip 1 is also connected with USB interface 4, pulse output 5. Optical fiber Ethernet port 6 and LCD display interface 7.

Preferably in the above embodiment, the microprocessor chip 1 adopts a PowerPC series chip with a 32-bit RISC embedded dual processor structure.

Preferably in the above embodiment, the optical fiber Ethernet port 6 supports the IEC61850 standard.

In the above embodiment, preferably, the model of the power module 2 is MPS2451.

Preferably in the above embodiments, the infrared communication module 3 is connected to the electric energy metering module 8 through an SPI interface.

Based on the above, the processor chip 1 adopts the PowerPC series chips with 32-bit RISC embedded dual-processor structure. It brings rich hardware functions and additional performance, so that the upgrade of the entire embedded system can be realized only through software upgrades; the optical fiber Ethernet port 6 supports the IEC61850 standard, which realizes the standardization of smart grid engineering operations and makes smart substations The implementation of the project has become standardized, unified and transparent. No matter which system integrator builds the smart substation project, you can understand the structure and layout of the entire substation through the SCD file, which plays an irreplaceable role in the development of smart substations; the infrared communication Module 3 is connected to the energy metering module through the SPI interface. The SPI interface is for synchronous serial data transmission between the CPU and peripheral low-speed devices. Under the shift pulse of the master device, the data is transmitted bit by bit, with the high bit in front and the low bit in Finally, for full-duplex communication, the data transmission speed is generally faster than the I2C bus, and the speed can reach several Mbps.

Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the utility model, rather than as a limitation to the utility model, as long as within the spirit of the utility model, the above-mentioned The changes and modifications of the embodiments will fall within the scope of the claims of the present utility model.

Claims (5)

1. A management electric energy meter based on a smart grid, comprising a microprocessor chip, a power module, an infrared communication module and an electric energy metering module, wherein the microprocessor chip is connected with the power module and the infrared communication module respectively, and The power supply module is connected with an infrared communication module, the infrared communication module is connected with an electric energy metering module, and the microprocessor chip is also connected with a USB interface, a pulse output, an optical fiber Ethernet port and an LCD display interface. 2. A kind of electric energy meter based on smart grid management according to claim 1, characterized in that, said microprocessor chip adopts a PowerPC series chip of 32-bit RISC embedded dual processor structure. 3. The electric energy meter based on smart grid management according to claim 1, wherein the optical fiber Ethernet port supports the IEC61850 standard. 4. The electric energy meter based on smart grid management according to claim 1, wherein the model of the power module is MPS2451. 5. The electric energy meter based on smart grid management according to claim 1, wherein the infrared communication module is connected to the electric energy metering module through an SPI interface.