KR20120137577A - System and method for distrubuting power using home network - Google Patents

Abstract

PURPOSE: A power distribution system and method using a home network are provided to save power rates and reduce CO2 emission by monitoring power consumption in real time. CONSTITUTION: An AC power supply unit(110) receives AC power supply from the outside. A DC converter(111) converts the AC power supply to DC power supply. A power controller(120) supplies power supply to multiple external devices. A sensor(130) measures the voltage and current of the inputted AC power supply. A communication unit(160) includes a wireless communication unit(161) for wireless local area networks, and a serial communication unit(163). A controller(150) controls the overall operation of the power controller, the sensor and the communication unit. [Reference numerals] (110) AC power supply unit; (111) DC converter; (120) Power controller; (130) Sensor; (140) Conversion unit; (150) Controller; (151) Data management unit; (153) Clock unit; (161) Wireless communication unit; (163) Serial communication unit; (170) Load measurement unit

Description

Power distribution system and method using home network {SYSTEM AND METHOD FOR DISTRUBUTING POWER USING HOME NETWORK}

The present invention relates to a power distribution system and method using a home network, and more particularly, a distribution to an electrical installation in a home using a home network while measuring the power consumption according to the use of household electricity supplied to a general household. A remote controllable power distribution system and method are disclosed.

Recently, research and development at the infrastructure level such as advanced metering infrastructure (AMI), smart grid, and intelligent grid have been actively conducted to reduce carbon dioxide emission and energy use efficiency. have.

Many countries outside the country develop and sell a number of residential power consumption monitoring products as well as the construction of advanced grids through remote metering, demand response (DR), and energy load control, which combines infrastructure-based power and telecommunications technologies.

However, in the power distribution system and method according to the prior art, it is difficult for power users to monitor power consumption in real time, and the power usage of the measuring device cannot be easily restricted from the user's point of view.

In addition, even in the case of providing a remote function, the power distribution system and method according to the prior art is based on an expensive high-speed wide area wireless communication network using CDMA, not a short-range wireless communication network, so it is cost-effective to use in a house. There was a lot of pressure, and most of the technology was not aimed at reducing power consumption centered on power consumers, but on efficient supply of electricity centered on electricity providers.

In addition, the measuring device having an electronic power measurement function according to the prior art has a problem that the power cut-off function due to the overload is not provided, and the loss of power measurement information due to the power cut-off cannot be prevented.

In addition, the measurement apparatus according to the prior art has a problem that it is difficult to control the power based on the sensing value of the sensor because the configuration of the sensor for power measurement and the control unit for power control are integrally formed.

Recently, users have been trying to conserve electric power by using power in real time, to save electric energy, to effectively use electric energy and to suppress carbon dioxide emissions. According to the carbon dioxide emissions can not be easily calculated, therefore, there is a problem that it is difficult to control the power in consideration of the carbon dioxide emissions from the user's point of view.

In order to solve the above-mentioned problems, an object of the present invention is to enable a power user to easily check the power usage of a measuring device using a terminal capable of communicating with the measuring device, and to control the power supply of the measuring device using the terminal. The present invention provides a power distribution system and method using a home network.

Another object of the present invention is to provide a power distribution system and method using a home network that can calculate and display charges and carbon dioxide emissions according to power consumption supplied to a home.

Another object of the present invention is to provide a power distribution system and method using a home network that supports both short-range wireless communication and serial communication.

Still another object of the present invention is to provide a power distribution system using a home network that can store measured values in a measuring device even in a power failure.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood from the following description.

Measurement apparatus for a power distribution system using a home network according to an aspect of the present invention for achieving the above object, measuring at least one of the AC power supply unit for receiving AC power from the outside, and the voltage and current of the AC power, the measurement And a sensor unit for outputting at least one measured value of the voltage level and the current amount, and a power control signal for controlling power supplied to the at least one external device, and at least one measured value data of the voltage level and the current amount. The communication unit for transmitting to the terminal, and the power control unit for controlling the supply power to the external device by supplying or blocking the AC power to the external device in the power control signal.

According to another aspect of the present invention, a terminal of a power distribution system using a home network includes an input unit for receiving input from a user for controlling supply power to an external device connected to a measurement device, and, according to the input, power to an external device. A control unit for generating a power control signal for controlling the measuring device to at least one of supplying and disconnecting the power supply; transmitting a power control signal to the measuring device, wherein the measured value data and power control of at least one of the voltage level and the current amount A communication unit for receiving at least one of the data for the information, and a power usage information management unit for calculating the power usage based on at least one measured value of the voltage level and the current amount, and generates and manages the power usage information according to the result of the calculation And a screen display unit displaying at least one of power control information and power usage information. do.

According to another aspect of the present invention, a power distribution system using a home network may measure at least one of an AC power supply unit that receives AC power from an external source, and a voltage and a current of the AC power, and at least one of a voltage level and a current amount according to the measurement. A measurement device including a sensor unit for outputting one measurement value, a power control unit for supplying or cutting off AC power to at least one external device, and controlling a power supply to the external device; An input unit receiving an input, a control unit generating a power control signal for controlling the power control unit to supply or cut off the supply power according to the input, and power consumption based on at least one measured value of the voltage level and the current amount Power usage information to generate and manage power usage information according to the calculation result And a terminal portion containing Li.

According to another aspect of the present invention, there is provided a power distribution method using a home network, the power distribution system including a measuring device for distributing and measuring AC power supplied from an external device and a terminal for controlling the measuring device. Receiving an AC power, measuring the voltage and current of the AC power, and transmitting at least one measurement value of the voltage level and the current amount according to the measurement to the terminal, and the terminal measuring value and real time time. Calculating power usage by using the controller; and generating power usage information according to the result; outputting the power usage information through at least one of a screen display means and a voice output means; Receives input from the user and controls the power supplied from the measuring device to the external device according to the input. Generating a power control signal to lock, transmitting a power control signal to a measurement device by the terminal, and the power supply to the external device by supplying or cutting off the power supplied to the external device according to the power control signal. Controlling the supply.

According to the present invention, it is possible to provide a power distribution system and method using a home network capable of measuring the power consumption of a measuring device in real time and controlling the power supply of the measuring device using a terminal. In addition, since the power distribution system according to the present invention supports short-range wireless communication, there is no need for a separate wiring work for installing a terminal, and a terminal capable of controlling a measuring device can be installed near a user.

In addition, the power distribution system according to the present invention can support the RS-485 communication can be linked to the home automation.

In addition, according to the present invention, the charge according to the power consumption can be calculated and displayed, and the power consumption can be displayed in terms of carbon dioxide emissions.

In addition, the measuring device according to the present invention can be attached and detached without the need to modify the existing switchboard, it does not depend on the specific switchboard.

In addition, the power distribution system and method using the home network according to the present invention can store the measurement results even in a power failure state, it is economical to cut off the standby power.

In addition, by using the power distribution system and method using a home network according to the present invention, users can effectively manage the power consumption, and can monitor the power usage in real time to reduce the usage fee and carbon dioxide emissions. In addition, it is possible to effectively apply the hourly differential power bill has the effect of reducing the electricity bill.

In addition, the power distribution system and method using a home network according to the present invention has the effect of reducing energy consumption and reducing the amount of carbon dioxide emissions through real-time power consumption monitoring can contribute to solving economic and environmental problems such as climate warming.

1 is a process diagram illustrating a procedure performed by a power distribution system using a home network according to an embodiment of the present invention.
2 is a block diagram showing a measuring device in a power distribution system according to an embodiment of the present invention;
3 is a block diagram illustrating a terminal on a user side in a power distribution system according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the embodiments are to make the disclosure of the present invention complete, and those skilled in the art to which the present invention pertains. As the invention is provided to fully inform the scope of the invention, the invention is defined only by the description of the claims. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, a procedure performed by a power distribution system using a home network according to an embodiment of the present invention will be described with reference to FIG. 1. 1 is a flowchart illustrating a procedure performed by a power distribution system using a home network according to an embodiment of the present invention.

Referring to FIG. 1, a power distribution system using a home network according to an embodiment of the present invention includes a measuring device 10 for distributing and measuring AC power supplied from the outside and a measuring device 10 using a home network. It communicates to control the measuring device 10, and includes a terminal 20 for displaying information related to the use of power.

The measuring device 10 receives an AC power source from the outside (S110). Here, the AC power input from the outside may be a single-phase or three-phase or higher AC power supplied to home or industrial.

The measuring apparatus 10 measures the voltage and current of the input AC power (S120), and transmits at least one measurement value of the voltage level and the current amount according to the measurement to the terminal 20 (S125).

In addition, the measuring device 10 generates time information on a time when the voltage and current of the AC power input are measured using a real time clock, and transmits the time information to the terminal 20 (S135). ).

The terminal 20 calculates power consumption by using the measured value and time information and generates power consumption information (S210). At this time, the power consumption may be calculated for daily, monthly, year.

In addition, the terminal 20 may generate charge information regarding a charge according to the power usage (S220).

In addition, the terminal 20 may calculate carbon emissions based on the amount of power used, and generate carbon emission information (S230).

The terminal 20 may include at least one of screen display means for screen display and a speaker for voice output, and output at least one of power usage information, charge information, and carbon emission information by using the screen display means and a speaker. can do.

On the other hand, the terminal 20 may be provided with an input means for receiving a user input. Here, the input means may have a variety of forms such as a touch screen, a keypad, a key button, a microphone, and the like.

The user may control the power supplied to the external device based on at least one of power usage information, fee information, and carbon emission information through the terminal 20.

More specifically, the terminal 20 receives the user's input through the input means, generates a power control signal for controlling the power supplied from the measuring device 10 to the external device according to the user's input (S260). ), And transmits a power control signal to the measurement device 10 (S265), the measurement device 10 to the external device by turning on / off the power supplied to the external device according to the power control signal. The power supply is controlled (S160).

On the other hand, the measuring device 10 measures the load on the power supplied to the external device (S140), determines whether or not overload according to the measured result, and turn on / off the power supplied to the external device (ON / OFF) By controlling the power supply to the external device (S150, S155).

For example, in a line to an external device connected to the measuring device 10, the amount of current is measured, and when the current amount exceeding a predetermined amount of current flows in the line, it is judged as an overload and the power supplied to the external device is turned off. In operation S155, the power supply to the external device may be cut off.

On the other hand, the measuring device 10 transmits the power control information regarding the state of turning on / off the power supplied to the external device to the terminal 20 (S165), and the terminal displays the power control information on the screen. The display or audio may be output (S270).

According to the above-described procedure, the power distribution system using the home network according to the embodiment of the present invention includes a measuring device 10 and the terminal 20, the measuring device 10 to distribute and measure the power supplied from the outside The terminal 20 may communicate with the measurement device 10 to control the measurement device 10 and display information related to power usage.

In addition, the user can easily know the real-time power consumption by using the power distribution system using the home network according to an embodiment of the present invention, by checking at least one of the power usage information, the charge information and the carbon emission information, The power supplied to the external device can be controlled based on the information.

Meanwhile, each of the above-described steps may vary before and after each performing step according to the control method of the measuring apparatus 10 and the terminal 20.

Hereinafter, a measurement apparatus in a power distribution system according to an embodiment of the present invention will be described with reference to FIG. 2. 2 is a block diagram showing a measuring apparatus in a power distribution system according to an embodiment of the present invention.

Referring to FIG. 2, the measuring device 10 includes an AC power supply unit 110, a DC converter 111, a power control unit 120, a sensor unit 130, a converter unit 140, a control unit 150, and a data management unit. 151, a clock unit 153, and a communication unit 160.

The AC power supply unit 110 receives AC power from the outside. Here, the AC power input from the outside may be a single-phase or three-phase or higher AC power supplied to home or industrial.

The DC converter 111 converts the AC power of the AC power supply 110 into a DC power and supplies the DC voltage having a constant voltage level to the controller 150.

The power control unit 120 controls any one of supplying and blocking power supplied to an external device.

The power control unit 120 may control on / off power supplied to an external device according to a power control signal received through the communication unit 160. Here, the power control signal may be generated according to a user input at the terminal 20.

The power control unit 120 may include a wire for connecting to an external device, and the external device may be connected to a wire to receive power.

On the other hand, the power control unit 120 may supply power to a plurality of external devices, and may be provided with a power distribution facility for supplying power to the plurality of external devices.

The sensor unit 130 measures the voltage and current of the input AC power (S120), and outputs at least one measured value of the voltage level and the current amount according to the measurement.

On the other hand, when the sensor unit 130 is implemented in a specific circuit, the measured value according to the measurement of the voltage and current may be output in the form of an analog signal according to the voltage level and the amount of current, in this case, the converter unit 140 The measured value output from the sensor unit 130 is binary encoded and converted into a digital signal, and provided to the controller 150.

The controller 150 controls the overall operations of the power controller 120, the sensor 130, and the communicator 160, calculates power consumption using at least one measured value of the voltage level and the amount of current and a real time time, Generate power usage information according to the calculation result.

In addition, the controller 150 may transmit the power usage information, the power control information regarding the state of turning on / off the power supplied to the external device, the measured value and the real time time of at least one of the voltage level and the current amount. Data conversion is performed according to the protocol supported by 160 to communicate with the terminal 20.

On the other hand, the controller 150 provides the power control signal received through the communication unit 160 to the power control unit 120, so that it can remotely control the power supply to the external device.

The communicator 160 includes a wireless communicator 161 and a serial communicator 163 for short-range wireless communication, and transmits and receives at least one measured value data, a power control signal, and real-time time data.

Meanwhile, the wireless communication unit 161 may perform short range wireless communication with the terminal 20 according to the Zigbee short range wireless communication method of the IEEE 802.15.4 standard. Since the measuring device 10 according to the embodiment of the present invention supports short-range wireless communication, since the terminal 20 corresponding to the measuring device 10 is installed to control the measuring device 10, a separate wiring work is required. And the terminal 20 can be installed near the user.

Meanwhile, the serial communication unit 163 may perform serial communication with the terminal 20 according to a communication method such as RS-232, RS-422, or RS-485.

In particular, the measuring device 10 according to the embodiment of the present invention can support the RS-485 communication method to communicate with a plurality of terminals 20, it can be linked with the home automation. On the other hand, the measurement apparatus 10 according to an embodiment of the present invention, in the communication with the plurality of terminals 20, the identification address corresponding to the plurality of terminals 20, the control unit 150 May interpret the data according to each identification address to control the power control unit 120 according to the power control signal.

The data manager 151 stores and manages at least one measured value data of a voltage level and an amount of current, a state in which power supplied to an external device is turned on / off, and real time visual data, and provides power failure and instantaneous power supply. Prevent data loss due to supply changes.

The clock unit 153 provides the real time clock to the controller 150. The clock unit 153 generates pulses at regular time intervals, provides a real time time to the controller 150, and includes a separate power source or a capacitor to operate even when power is not supplied to the measuring device 10 for a predetermined time. You can do that.

On the other hand, the controller 150 may provide a real time time supplied from the clock unit 153 to the terminal 20 through the communication unit 160.

The load measuring unit 170 measures a load of power supplied to an external device, and the power control unit 120 determines whether an overcurrent or a leakage current is generated according to the result measured by the load measuring unit 170, and overcurrent Alternatively, in case leakage current flows, it is judged as overload and cut off the power supply to external equipment.

Meanwhile, the controller 150 may generate data such as phase voltage, line voltage, current, active power, reactive power, apparent power, power factor, frequency, peak power, harmonic voltage, and effective value of the input AC power. The generated data may be provided to the terminal 20 through the communication unit 160. In addition, it is determined whether there is an abnormality of the AC power input based on the generated data, and if there is an error in the input AC power, it may be provided to the terminal 20 through the communication unit 160.

Hereinafter, a power distribution system according to an embodiment of the present invention will be described with reference to FIG. 3. 3 is a block diagram illustrating a terminal in a power distribution system according to an embodiment of the present invention.

Referring to FIG. 3, the terminal 20 includes a communication unit 210, a control unit 220, a battery unit 221, a time information unit 223, a storage unit 225, a power consumption information management unit 230, and a charge information management unit. 240, a carbon emission information management unit 250, a screen display unit 260, an audio output unit 270, and an input unit 280.

The communication unit 210 includes a wireless communication unit 211 and a serial communication unit 213 for short-range wireless communication, and includes at least one of measured value data of a voltage level and a current amount, real time time data, power control information, and power usage information. Send and receive data for

Meanwhile, the wireless communication unit 211 may perform short-range wireless communication with the measurement apparatus 10 according to the Zigbee short-range wireless communication method of the IEEE 802.15.4 standard. Accordingly, in indoor short-range communication, the bit error rate is about 2 Stable data transmission and reception within a percentage can be achieved.

In addition, when the plurality of terminals 20 performs short-range wireless communication with the measuring device 10, in a short-range indoor environment, efficient data transmission and reception may be performed using Zigbee short-range wireless communication, and Zigbee short-range wireless communication may be performed. Compatibility with other home automation equipment used can be ensured.

Meanwhile, the serial communication unit 213 may perform serial communication with the measurement device 10 according to a communication method such as RS-232, RS-422, or RS-485.

The controller 220 may include a communication unit 210, a storage unit 225, a power consumption information management unit 230, a charge information management unit 240, a carbon emission information management unit 250, a screen display unit 260, and an audio output unit ( The overall operation of at least one of the processor 270 is processed to process the received power usage measurement result and various results, and to process user setting items and commands.

In addition, the control unit 220 controls the communication unit 210 to transmit and receive at least one measurement value data of the data, the voltage level and the current amount for the power control information and power usage information, and real-time time data.

In addition, the controller 220 generates a power control signal for supplying and cutting off power according to a user's input input through the input unit 280, and transmits the power control signal to the measuring device 10. ).

In addition, the controller 220 controls at least one of the power consumption information management unit 230, the charge information management unit 240, and the carbon emission information management unit 250 to display at least one of the power consumption information, the charge information, and the carbon emission information. The communication unit 210 is controlled to transmit to the measurement device 10 through the communication unit 210.

Meanwhile, the controller 220 may generate power usage information using at least one measured value data of the voltage level and the current amount, and real time time data, and display the screen usage unit 260 and voice to display and output the power usage information. At least one of the output units 270 may be controlled.

On the other hand, the terminal 20 according to the embodiment of the present invention is installed independently of the measuring device 10 within a distance capable of short-range wireless communication with the measuring device 10 so as to remotely control the measuring device 10. Therefore, the terminal 20 includes a battery unit 221 to supply power to the controller 220.

The clock unit 223 provides a real time clock to the controller 220. The clock unit 223 generates pulses at regular time intervals, provides a real time time to the controller 220, and is provided with a separate power source or a capacitor so that the terminal unit 20 may operate even if power is not supplied to the terminal 20 for a predetermined time. can do.

The power usage information manager 230 calculates power usage based on at least one measured value and a real time time of the voltage level and the current amount, and generates and manages the power usage information.

Meanwhile, the power usage information may be calculated and provided by the measuring device 10. In addition, the real time time may be provided from the clock unit 223, and the real time time of the clock unit 153 of the measuring device 10 may be used.

The fee information manager 240 calculates a fee based on power usage for a predetermined period (for example, daily, monthly, and yearly) using the power usage information, and generates and manages the fee information.

Meanwhile, the fee information manager 240 may calculate a real time power usage fee by applying a time of use (TOU) technique. That is, the fee information manager 240 may calculate the real-time power usage fee using the power consumption calculated based on the real time time, and generate and manage the fee information.

Meanwhile, the fee information manager 240 may differentially calculate a fee for each time zone, thereby generating and managing fee information for each time zone. For example, the late night electricity supplied during the late night hours may be calculated by applying a discount rate.

The carbon emission information management unit 250 calculates power consumption and carbon emissions according to a certain period (for example, daily, monthly, and yearly) using the power usage information, and generates and manages carbon emission information. In addition, the carbon emission information management unit 250 may calculate the carbon emission by using the petroleum conversion tone, carbon emission coefficient, carbon dioxide molecular weight, and carbon atomic weight of the electric power.

For example, the carbon emission may be calculated according to Equation 1 below.

(1)

Carbon emissions (TCO ₂ ) = carbon tons (TC) X 44/12 (carbon dioxide molecular weight / carbon atomic weight)

Carbon ton (T) = Ton of Oil Equivalent (TOE) X Carbon Emission Coefficient

Here, the carbon emission coefficient of the power may be 0.4707t CO ₂ / MWh, the petroleum conversion ton of the power may be 2150 * power consumption KWh / 10 ^ 7.

Meanwhile, the carbon emission information management unit 250 may set specific values of the petroleum conversion tone and the carbon emission coefficient of electric power according to a user's input through the input unit 280, and calculate the carbon emission based on the set value. .

The screen display unit 260 displays the power usage information, the charge information, the carbon emission information, and the power control information on the screen.

The voice output unit 270 may output power usage information, charge information, carbon emission information, power control information, and output a warning sound according to whether the measuring device 10 is abnormal.

The input unit 280 receives an input from a user in order to turn on / off power supplied to an external device connected to the measurement device 10, and the control unit 220 receives an input from the user. It generates a power control signal to supply and cut off power.

The storage unit 225 stores and manages power usage information, charge information, carbon emission information, and power control information, and prevents loss of various information due to power failure and instantaneous power supply change.

On the other hand, the controller 220 generates a power control signal for cutting off the power to the external device when at least one of the power consumption, charges and carbon emissions exceeds a predetermined limit value, the measuring device through the communication unit 210 The power supply control signal may be transmitted to the apparatus 10 to cut off power from the measuring apparatus 10 to the external device. Here, the input unit 280 may receive a limit value from the user for limiting at least one of power consumption, charges, and carbon emissions.

Meanwhile, the controller 220 may generate and manage user information to calculate power usage according to a user and generate power usage information. The controller 220 may control user information through the screen display unit 260 or the voice output unit 270. According to the power usage information can be displayed or output.

On the other hand, the controller 220 may generate the user information so that the limit value can be set according to the user, and generate the power control signal by reflecting the limit value setting according to the user information. In this case, an identification code according to a user may be assigned, and the identification code may be displayed or output through the screen display unit 260 or the voice output unit 270.

Meanwhile, the controller 220 may generate a power control signal by reflecting a limit value setting according to user information according to whether the identification code input from the input unit 280 and the donation identification code match.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the claims and their equivalents should be construed as being included in the scope of the present invention.

10: measuring device
110: AC power supply section 111: DC conversion section
120: power control unit, 130: sensor unit
140: converter unit, 150: control unit
151: data management section, 153: clock section
160: communication unit, 161: wireless communication unit, 163: serial communication unit
20:
210: communication unit, 220: control unit
221: battery unit, 223: time information unit, 225: storage unit
230: power consumption information management unit
240: rate information management
250: carbon emission information management
260: screen display unit, 270: audio output unit, 280: input unit

Claims (14)

An AC power supply unit for receiving AC power from the outside;
A sensor unit measuring at least one of a voltage and a current of the AC power source and outputting at least one measured value of a voltage level and a current amount according to the measurement;
A communication unit receiving a power control signal for controlling power supplied to at least one external device and transmitting at least one measurement value data of the voltage level and the current amount to a terminal; And
A power control unit controlling supply power to the external device by supplying or blocking the AC power to the external device in response to the power control signal;
Measurement apparatus of the power distribution system using a home network comprising a. The method of claim 1,
A clock unit that is operated even when the AC power is not input for a predetermined time and provides a real time time; And
Control unit for calculating the power usage using at least one measured value of the voltage level and the current amount and the real time time, and generates power usage information according to the result
Measurement apparatus of the power distribution system using a home network further comprising. 3. The apparatus of claim 2,
In performing communication with a plurality of terminals, assigning identification addresses corresponding to the plurality of terminals, and controlling the power control unit according to a power control signal corresponding to the identification address.
Measurement apparatus of power distribution system using in-home network. The method of claim 2,
DC conversion unit for supplying a DC voltage having a constant voltage level to the control unit by converting the AC power to DC power
Measurement apparatus of the power distribution system using a home network further comprising. The method of claim 2,
Converter unit for converting the measurement value output in the form of an analog signal from the sensor unit to a digital signal by converting the binary signal, and providing the converted measurement value to the control unit
Measurement apparatus of the power distribution system using a home network further comprising. The method of claim 1, wherein the communication unit,
A serial communication unit performing serial communication according to the communication method of RS-485; And
Near field communication unit performing near field communication according to Zigbee communication method
Measurement apparatus of the power distribution system using a home network. An input unit configured to receive a user input for controlling supply power to an external device connected to the measurement device;
A controller configured to generate a power control signal for controlling the measuring device to perform at least one of supplying and cutting off power to the external device according to the input;
A communication unit which transmits the power control signal to the measuring device and receives at least one of measured value data of power level information and at least one of a voltage level and a current amount from the measuring device;
A power usage information manager configured to calculate power usage based on at least one measured value of the voltage level and the current amount, and generate and manage power usage information according to a result of the calculation; And
Screen display unit for displaying at least one of the power control information and the power usage information
Terminal of a power distribution system using a home network comprising a. The method of claim 7, wherein
A charge information management unit calculates a charge according to power usage by using the power usage information, and generates and manages charge information.
Terminal of a power distribution system using a home network further comprising. The method of claim 7, wherein
A carbon emission information management unit that calculates carbon emission according to electric power use using the power usage information and generates and manages carbon emission information.
Terminal of a power distribution system using a home network further comprising. The method of claim 7, wherein the communication unit,
A serial communication unit performing serial communication according to the communication method of RS-485; And
Near field communication unit performing near field communication according to Zigbee communication method
Terminal of a power distribution system using a home network comprising a. The method of claim 7, wherein
The input unit is to receive a limit value for limiting at least one of power consumption, charges and carbon emissions from the user,
The control unit generates a power control signal for cutting off power to the external device when the power usage exceeds the limit value.
A terminal of a power distribution system using an in-home network. AC power supply unit which receives AC power from the outside,
A sensor unit measuring at least one of a voltage and a current of the AC power source and outputting at least one measured value of a voltage level and a current amount according to the measurement;
A measuring device including a power control unit which supplies or cuts off the AC power to at least one external device to control the power supply to the external device; And
An input unit receiving a user input for controlling the supply power;
A controller configured to generate a power control signal for controlling the power controller to perform at least one of supplying and shutting off the supply power according to the input;
And a power usage information manager configured to calculate power usage based on at least one measured value of the voltage level and the current amount, and to generate and manage power usage information according to a result of the calculation.
Power distribution system using a home network comprising a. In the power distribution system comprising a measuring device for distributing and measuring the AC power supplied from the outside and a terminal for controlling the measuring device,
The measuring device receiving the AC power;
Measuring, by the measuring device, the voltage and current of the AC power supply and transmitting at least one measurement value of the voltage level and the current amount according to the measurement to the terminal;
Calculating, by the terminal, the power consumption using the measured value and the real time time, and generating power consumption information according to the result;
Outputting, by the terminal, the power usage information through at least one of a screen display means and a voice output means;
Generating, by the terminal, a power input control signal for receiving a user's input through an input means and according to the input, controlling a power supplied from the measuring device to an external device;
Transmitting, by a terminal, the power control signal to the measurement device; And
The measuring device controls the power supply to the external device by supplying or cutting off the power supplied to the external device according to the power control signal.
Power distribution method using a home network comprising a. The method of claim 13,
After generating the power usage information,
Calculating, by the terminal, at least one of a charge based on the power consumption and a carbon emission according to the power usage, and generating at least one of charge information and carbon emission information according to the result; And
The terminal outputting at least one of the fee information and the carbon emission information;
Power distribution method using a home network further comprising.

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