JP6982107B2 - Smart integrated electricity meter and solar panel power management system that adopts the smart integrated electricity meter - Google Patents

Description

The present invention relates to a solar panel communication area technology, and particularly to a smart integrated electric meter and a solar panel power management system that employs the smart integrated electric meter.

In recent years, the installation of solar panels in residential and commercial buildings has been expanding due to the system in which the electricity generated by solar panels is sold to public electric power companies at a fixed price. The electric power generated by the solar panel is sold to the public electric power company through the public business smart electricity meter connected to the distribution box, and the electricity is sold to make a profit.

A conventional solar panel power management system is equipped with at least two energy measuring devices (or electric meters).
The solar panel is connected to the electricity meter via the solar inverter.
The energy measuring facility outputs power to the public power network via a distribution box and further through a public electricity meter.
The public works smart electric meter transmits the power output data to the public works system server via wireless transmission.
The public works system server is connected to the company system server via wireless / wired transmission communication.
The company system server, application program, and end user application program communicate wirelessly, and the solar system company or end user can understand the power generation status and check how much power can be sold to the power company.

In order to maintain the performance of solar panels and understand efficiency conversion, data of many environmental information such as temperature, humidity and illuminance are collected and sent to solar system company or electric power company through different communication equipment or system for data analysis. Is done.
For example, the sunshine intensity meter is connected to the first communication module by wire, and is connected to the company system server by wireless communication via the first communication module.
The temperature / humidity sensor is connected to the second communication module by wire, and is connected to the company system server by wireless communication via the second communication module.
The water meter is connected to the third communication module by wire, and is connected to the company system server by wireless communication via the third communication module.
The home IoT gateway is wirelessly connected to the company system server.
Since it is necessary to ship each via different communication equipment, excess communication data is likely to occur, and the efficiency of the data processing process is reduced.
Moreover, the installation cost of these communication equipments is very expensive, difficult to change after installation and system implementation, and the overall system structure is too large, resulting in longer operating times and further increases in operation and maintenance costs.

In the above-mentioned prior art, since it is necessary to ship each via different communication equipment, excess communication data is likely to occur and the efficiency of the data processing process is lowered, and the installation cost of these communication equipment is very expensive, so that the installation and the system It is difficult to change after implementation, and there is a drawback that the operation time becomes long and the operation and maintenance costs further increase because the structure of the whole system is too many.

The present invention is a smart integrated electricity that can effectively solve the problems existing in the conventional solar panel power management system such as rational structure installation, too many communication equipment installations, long operation time, and low processing data efficiency. The present invention relates to a meter and a solar panel power management system that employs the smart integrated electric meter.

The smart integrated electric meter according to the present invention has an electric meter main body, and the electric meter main body has a watt-hour meter and some watt-hour meter wiring terminals connected to the watt-hour meter.
The electric meter body integrates a wireless communication module including short-distance and long-distance communication, an external sensor and a data collection module used for collecting external smart meter data, and the data collection module is connected to an external sensor and an external smart meter. It has an RS485 module and a pulse terminal module that can be used.
The electricity meter body, wireless communication module and data collection module are all connected to the microprocessor.

The solar panel power management system has a smart integrated electricity meter and a solar panel power management system.
The solar panel power management system includes a solar panel, a solar inverter, and further includes a public electricity meter, an external sensor, an external smart meter, and a server and a distribution box.
The solar panel goes through the solar inverter, smart integrated electricity meter, through the distribution box, further through the public electricity meter, and outputs power to the public power network and household power supply, and the public electricity meter goes through wireless communication. , Connects to the wireless communication module of the smart integrated electric meter, and feeds back the power output / input data that is temporarily stored in the memory for immediate measurement to the smart integrated electric meter.

The external sensor is connected to a data collection module via a pulse terminal module via an RS485 module and an external smart meter, and the microprocessor is fed back by a solar panel power management system, an external sensor, an external smart meter, and a public electric meter. It integrates the power output / input data to be sent to the server in a batch by a long-distance communication method through the wireless communication module, and the server further transmits the data to the client.

The present invention has the following clear advantages and effects as compared with the prior art.
By installing a smart integrated electric meter that integrates a wireless communication module, a data collection module and a microprocessor, the microprocessor can collect, integrate and store data from solar panels, external sensors, smart meters, and data through the wireless communication module. It can be shipped to the server in bulk to simplify the structure of the system.
Compared to the conventional structure in which data is shipped independently, since all data are integrated and stored before shipping, problems of excessive communication data and deterioration of data processing efficiency can be avoided, and thus the operation process becomes highly efficient.
At the same time, it is a new power management method that can reduce the number of communication equipment installed, improve the structure, improve the installation process, reduce operating costs and maintenance costs, and is advantageous for widespread application.

It is a front view of the smart integrated electric meter of the embodiment of this invention. It is a local structure schematic diagram (three-dimensional diagram) of the smart integrated electric meter of this invention embodiment. It is a structural schematic diagram from another angle of FIG. It is a front view (local structure) of the smart integrated electric meter of the embodiment of this invention. It is a block chart which applies the smart integrated electric meter of this invention embodiment to a solar panel power management system.

(One embodiment)
First, the following will be described.
The examples in the figures and tables and in the following description are used only for interpretation and reference in explaining each practice of the present invention, and do not impose any limitation on the technical scope of the present invention. The figure is used only for the purpose of explanation, and does not impose any restrictions on the ratio, length, height, width, shape, etc. of the actual form.
As shown in FIGS. 1 to 5, the specific structure of the embodiment of the present invention is a smart integrated electric meter and a solar panel power management system that employs the smart integrated electric meter, and the smart integrated electric meter and the solar panel power management system 50. Have.

The smart integrated electric meter has an electric meter main body 10, and the electric meter main body 10 can be installed and applied outdoors or indoors. The electric meter main body 10 is a power meter 101, and some power meter wiring terminals connected to the power meter. It has 1011.
The electric power of the solar panel electric power management system is connected to the electric power meter wiring terminal 1011 through a wired transmission method, and the electric power is transmitted to the electric meter main body 10.
In the present embodiment, the electric meter main body 10 integrates a wireless communication module 20 including short-distance and long-distance communication, an external sensor, and a data collection module used for collecting external smart meter data.
The wireless communication module 20 is a short-range (Wi-Sun, Bluetooth, Wi-Fi, etc. that matches or does not match the Echonet Lite communication protocol) and various closed-type (non-IP) or open-type (IP) long-range (LTE). -M1, NB-IoT, LTE-Cat 1, LoRa, ZETA, etc.).
The wireless communication module 20 integrates a microprocessor (not shown).
The electricity meter body 10, the wireless communication module 20, the data collection module, and the pulse terminal module 40 are all connected to the microprocessor.

The data collection module has an external sensor, an RS485 module 30 that can be connected to an external smart meter, and a pulse terminal module 40.
The external sensor is connected to the RS485 module 30 through a wired transmission method, and the external smart meter is connected to the pulse terminal module 40 through a wired transmission method.
Moreover, the data is stored in the microprocessor and the memory through the data collection module.
Specifically, the pulse terminal module 40 integrates a pulse input interface and a pulse output interface.
The external smart meter is connected to the pulse output interface through a wired transmission method.
An external smart meter is connected to the pulse input interface and data is collected in the data collection module.
Of course, it is also possible to connect an external smart meter to the pulse output end port and output energy consumption information.
Moreover, the operating state of the external switch can be controlled through the RS485 module 30.

The wireless communication module 20 has a wireless communication module plug 21, and a wireless communication module outlet 11 that corresponds to the wireless communication module plug is installed in the electric meter main body 10.
The wireless communication module 20 is detachably attached to the electric meter main body 10 through the wireless communication module plug 21 and the wireless communication module outlet 11.
By installing the removable wireless communication module 20, the wireless communication module 20 can be freely removed and replaced, and different short distances (Wi-Sun, Bluetooth, Wi-Fi, etc. that match or do not match the Echonet Lite communication protocol) or various types. Replace with closed (non-IP) or open (IP) long distances (LTE-M1, NB-IoT, LTE-Cat 1, LoRa, ZETA, etc.).
Therefore, solar system companies can quickly adapt to changes in communication technology.
For example, the current wireless communication module 20 is a 4G technology, but is rapidly changing to a 5G technology, which can accelerate the communication speed and change to a more flexible method.
Further, the wireless communication module 20 is provided with a SIM card slot 22, SIM cards can be exchanged based on various different LTE / NB-IoT communication network providers, and the service area is covered by considering various network types and cost factors. You can select a provider.

The electricity meter body 10 further includes a housing 12.
The housing 12 forms a display area 121 and a mounting area 122.
An LCD monitor 1211 that displays equipment information is installed in the display area 121, and the LCD monitor 1211 has equipment information (power generation data, purchase acquired by the public electricity meter 53) such as a smart electric meter, an external sensor, and an external smart meter. The amount of electricity and electricity sold, the amount of electricity sold, the sunshine meter 54, the number of external smart meters 55, etc.) can be displayed, which enables verification and instructions to technical personnel during the installation process.
In addition, the LCD monitor 1211 can display the signal strength guidelines (displayed by numbers or symbols) for short-range and long-range wireless communication of the wireless communication module 20, respectively, so that the technical personnel can display the most suitable position for installation in the installation process. Can be found and the status of wireless communication signals can be checked.
The wireless communication module 20, RS485 module 30, pulse terminal module 40 and wattmeter wiring terminal 1011 are mounted in the mounting area 122.
Specifically, the wireless communication module 20 is attached to the upper end of the attachment area 122, and the RS485 module 30, the pulse terminal module 40, and the wattmeter wiring terminal 1011 are attached to the lower end of the attachment area.
Moreover, the mounting area 122 is covered by a protective case 1221 that protects each module, providing maximum safety protection and preventing unjust acts such as theft and modification.

As can be seen from the above explanation for the smart integrated electric meter, by installing the wireless communication module 20, the data collection module, the microprocessor, etc. in an integrated manner, wireless communication can be performed on the electric meter having only the conventional electricity meter function. , Data collection, data storage, controller, and other various functions are added, and by installing the structure of the housing 12, each functional part is integrated into the mounting area 122, and the data information is displayed by the LCD monitor 1211.
Its structural design is compact and rational, easy to install, and by utilizing a smart integrated electricity meter, it is possible to eliminate at least two servers in the conventional technology and improve processing efficiency.

The solar panel power management system 50 includes a solar panel 51, a solar inverter 52, and further includes a public electricity meter 53, an external sensor 54, an external smart meter 55, and a server 56.
The solar panel 51 outputs power to a household power source via a distribution box 58 via a solar inverter 52 and a smart integrated electricity meter, or outputs power to a public power network through a public electricity meter 53.
The public electric meter 53 connects to the wireless communication module 20 of the smart integrated electric meter via wireless communication, and feeds back the power output / input data that is immediately measured or temporarily stored in the memory to the smart integrated electric meter.
In addition to providing power to the household power supply through a smart electricity meter connected to the distribution box 58, it can also be connected to the public electricity meter 53 and sends power to the household power supply through the public electricity meter 53 connected to the distribution box 58. You can also do it.

The external sensor 54 is connected to the data collection module through the pulse terminal module 40 through the RS485 module 30 and the external smart meter 55, and the microprocessor is the solar panel power management system 50, the external sensor 54, the external smart meter 55, and the public electric meter. The power output data fed back by the short-distance communication method by integrating 53 or other IoT equipment (for example, smart home equipment connected to the distribution box) is collected by the server 56 via the long-distance communication of the wireless communication module 20. And the data is further transmitted by the server 56 to the client (or application program and end user application).
Application programs and end-user applications can view and analyze data results and report the system performance of solar panels to companies, utilities or users.

The external sensor 54 is one or a combination of two or more types of a temperature sensor, a sunshine intensity sensor, and a humidity sensor.
The external smart meter 55 is one or more combinations of a water meter, a gas meter, a calorimeter, or a power storage facility.
Specifically, the external smart meter is connected to the pulse input terminal, and the usage data is transmitted and stored in the microprocessor.

Further, the IoT system 57 is provided, and the IoT system 57 and the network equipment are connected to the wireless communication module 20 by the short-range communication wireless transmission method.
The microprocessor transmits all the detected data to the IoT system 57 in a short-range communication wireless system through the wireless communication module 20.
By installing the IoT system 57, bidirectional communication can be formed with the smart integrated electric meter and the solar panel power management system 50.

The embodiments of the present invention described above do not limit the present invention, and therefore, the scope protected by the present invention is based on the scope of claims described later.

10 Electric meter body,
101 wattmeter,
1011 wattmeter wiring terminal,
11 Wireless communication module outlet,
12 housing,
121 display area,
1211 LCD monitor,
122 mounting area,
20 wireless communication module,
21 Wireless module plug,
22 SIM card slot 30 RS485 module,
40 pulse terminal module,
50 Solar panel power management system,
51 solar panels,
52 Solar Inverter,
53 Public electricity meter,
54 external sensor,
55 External smart meter,
56 server,
57 IoT system,
58 Power distribution box.

Claims (6)

It is a smart integrated electric meter and has an electric meter main body, and the electric meter main body has a watt-hour meter and a plurality of watt-hour meter wiring terminals connected to the watt-hour meter.
The electricity meter body integrates a wireless communication module including short-distance and long-distance communication, an external sensor and a data collection module used for collecting external smart meter data.
The data collection module has an RS485 module and a pulse terminal module that can be connected to an external sensor and an external smart meter.
The electricity meter body, wireless communication module and data collection module are all connected to the microprocessor.
The wireless communication module has a wireless communication module plug and a SIM card slot, and is detachably attached to the electric meter body through the wireless communication module plug and the wireless communication module outlet.
A wireless communication module outlet that corresponds to the wireless communication module plug is installed in the electricity meter body.
The pulse terminal module is a smart integrated electricity meter characterized by integrating a pulse input interface and a pulse output interface. The electricity meter body further has a housing and
The housing forms a display area and a mounting area.
An LCD monitor that displays equipment information is installed in the display area.
The smart integrated electric meter according to claim 1, wherein the wireless communication module, RS485 module, pulse terminal module and wattmeter wiring terminal are mounted in an attachment area. The smart integrated electric meter according to claim 2 , wherein the wireless communication module is attached to the upper end of the attachment area, and the RS485 module, the pulse terminal module and the watt-hour meter wiring terminal are attached to the lower end of the attachment area. The smart integrated electricity meter according to claim 3 , wherein the mounting area is covered with a protective case that protects each module. Solar panels power management system includes a smart integrated electricity meters according to claim 1,
The solar panel power management system has a solar panel, a solar inverter, a public electric meter, an external sensor, an external smart meter, and a server, a distribution box, and the solar panel has a solar inverter, a smart integrated electric meter. Then, via the distribution box, further through the public electricity meter, the power is output to the public power network and the household power source, and the public electricity meter is connected to the wireless communication module of the smart integrated electric meter via wireless communication. The power output / input data temporarily stored in the memory for immediate measurement is fed back to the smart integrated electric meter, and the external sensor is connected to the data collection module through the pulse terminal module through the RS485 module and the external smart meter. The microprocessor integrates the power output / input data fed back by the solar panel power management system, external sensor, external smart meter, and public electricity meter, and sends it to the server in a long-distance communication method through a wireless communication module. The server also sends the data to the client ,
The external sensor is one or a combination of two or more types of a temperature sensor, a sunshine intensity sensor, and a humidity sensor.
The external smart meter is one type or a combination of two or more types of a water meter, a gas meter, a calorimeter, or a power storage facility.
The solar panel power management system further includes a network IoT system. The solar panel power management system according to claim 5 , wherein the network IoT system is connected to a wireless communication module by a short-range communication wireless transmission method.

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