KR100981156B1 - Device and method of displaying electric charges - Google Patents

Abstract

An electric charge display device and a power user electric charge display method for real-time understanding of power consumption of a customer are provided. Such a power user electric charge display device includes: a power supply circuit unit connected to the load side of the ground fault breaker to supply power for driving; A detector for detecting a current or voltage signal from the earth leakage breaker; A measurement unit converting the voltage or current signal detected by the detection unit into power measurement information; A micro-control unit which converts the electric power measurement information received from the general control and measurement unit of the electric charge display device into electric charge data according to the customer contract type by referring to the electric charge unit price information per used power amount stored therein; And a display unit for receiving and displaying electric charge data from the micro control unit.

Description

DEVICE AND METHOD OF DISPLAYING ELECTRIC CHARGES}

The present invention relates to a power user electric charge display device and a method of displaying the electric power consumption and the charge of the customer through the primary current measurement of the earth leakage breaker of the distribution panel installed in the customer premises.

Generally, induction type electricity meter or electronic electricity meter is used to measure customer's electricity consumption, and it is installed in the outdoor of the customer's gate and exterior wall, and contract power of less than 20kW for consumer's house and less than 20kW is used. And an electronic wattmeter for a power factor subject to a power factor of 20 kW or more.

Electronic meter is composed of a device that can be remotely metered, but the communication meter is not made other than the electronic meter installed in the special high voltage consumer, and remote meter reading is not possible.

Due to the above conditions, in order to read the power consumption of the customer, the meter reader visits Gagaho and checks it with the naked eye, and then directly inputs the amount into the PDA and writes a bill based on the data entered in the meter terminal. It is in the form of sending out.

Therefore, consumers are not aware of the electricity bill until they check the invoice, which impedes the problem of negotiating power usage due to malfunctions such as increase of charges due to the meter reading misreading, meter lock-up or floating, and economic power usage. to be.

The present invention has been devised to solve the above-mentioned conventional problems, and an object of the present invention is to accurately measure a primary current amount of an earth leakage breaker installed in a distribution panel in a customer premises regardless of the type and installation location of a wattmeter installed in a customer. It is to provide a power user electricity bill display device that can be converted into an easy-to-recognize electricity bill to check the actual electricity bill in real time in the customer premises.

In addition, another object of the present invention is to induce an economical power consumption pattern of the customer by displaying a warning when the actual electricity price exceeds the target price by comparing the current monthly electricity consumption target amount directly entered by the user of the consumer and the actual electricity price In addition, the present invention provides a method for displaying electric power user electricity rates that can suppress standby power and use of electricity more than necessary.

According to an embodiment of the present invention, there is provided an electric charge display device that can determine the power consumption of the customer in real time, the electric power user electric charge display device is connected to the load side of the earth leakage breaker to supply power for driving Supply circuit section; A detector for detecting a current or voltage signal from the earth leakage breaker; A measurement unit converting the voltage or current signal detected by the detection unit into power measurement information; A micro-control unit for converting and storing the electric power measurement information received from the overall control of the electric charge display device and the measurement unit into electric charge data according to a customer contract type by referring to electric charge unit price information per used amount of electricity stored therein; And a display unit for receiving and displaying the electric charge data from the micro control unit.

The micro control unit may include a storage device, and may store electricity price unit price information and the electricity price data per power amount.

The electric power user electric charge display device may further include a time maintenance device unit for adding current time information to the electric power measurement information measured through the measurement unit to apply different electric time rates for each time period and season according to the customer contract type.

The electric power user electric charge display device is connected to the micro control unit, and inputs and stores data on electric power consumption target price or electric charge unit price information per power amount to the storage device in the micro control unit, and inputs a current time, The apparatus may further include a key input unit configured to store and modify information and to search for information provided by the power user electric charge display device.

The power user electric charge display device receives an reset signal from an external RF transceiver and transmits a reset completion signal to the external RF transceiver, and receives a reset signal from the RF transceiver to store the storage device in the microcontroller. The reset unit may further include a reset unit.

The electric power user electric charge display device displays power consumption to the user according to the instruction from the micro control unit when the electric charge data stored in the micro control unit exceeds the data on the power consumption target amount input by the key input unit. The display apparatus may further include a warning display unit that warns that the balance amount has been exceeded.

According to another embodiment of the present invention, there is provided an electric charge display device that can determine the power consumption of the customer in real time, the power user electric charge display device is connected to the load side of the earth leakage breaker is a power supply for supplying power required for driving Circuit section; A detector for detecting a current or voltage signal from the earth leakage breaker; A measurement unit converting the voltage or current signal detected by the detection unit into power measurement information; A micro-control unit for converting and storing the electric power measurement information received in the overall control of the electric charge display device and the measurement unit into electric charge data according to a customer contract type by referring to the electric charge unit price information per used power amount stored therein; A display unit for receiving and displaying the electric charge data from the micro control unit; Connected to the micro control unit, inputs and stores data on a target power consumption amount or electric charge unit price information per power amount to the storage device in the micro control unit, inputs, stores, and modifies the current time; A key input unit for retrieving information stored in the unit; And a RF transceiver for receiving a reset signal from an external RF transceiver and transmitting a reset completion signal to the external RF transceiver, and a reset unit for receiving a reset signal from the RF transceiver and resetting a storage device in a microcontroller. The micro-control unit includes a storage device for storing the electricity price unit price information and the electricity price data per power amount, and the electricity price display device is a portion that stores the electricity price data in the storage device through the RF transceiver Communicate with a resettable RF transceiver.

The RF transceiver includes an antenna for transmitting and receiving a reset signal, a reset button, a first display unit for confirming that the reset signal is transmitted when the meter reader presses the reset button, and the power user electric charge display device receiving the reset signal after receiving the reset signal. The control unit may include a second display unit for confirming that the reset completion signal that the corresponding portion of the storage device has been reset.

According to yet another embodiment of the present invention, there is provided a power user electric charge display method, comprising: driving a power user electric charge display device; Inputting and modifying a power consumption target amount and a current time through a key input unit of the electric power user electric charge display device; Measuring a current and a voltage of a load side of the circuit breaker power supply through a detector of the electricity rate display device, and converting the measured current and voltage into power measurement information by the measurement unit and transmitting the measured power and information to the microcontroller of the power user electricity rate display device; The micro-control unit converts the received power measurement information into cumulative electricity rate data according to the customer contract type by referring to the electricity rate unit price information per power amount stored in the internal storage device, and stores it in the storage device and through the key input unit. Comparing the data with respect to the input power consumption target amount; Displaying, by the micro-controller, a warning display unit of the electric power user electric charge display device when the cumulative electric charge data exceeds data for the target power consumption amount to display a warning; Instructing the power user electric charge display to reset a corresponding portion of the storage device storing the accumulated electric charge data in the micro control unit via a reset RF transmitter and receiver; And ending the warning of the warning display unit and resetting the corresponding portion of the storage device in which the accumulated electric charge data in the micro control unit is stored to receive and store new electric charge data.

As described above, according to the electric power user electric charge display device and display method according to the present invention, regardless of the type and the installation position of the electricity meter installed in the customer, the customer is able to precisely measure the primary current amount of the earth leakage breaker installed in the distribution board in the customer premises It converts into an easy-to-recognize electricity rate so that the real-time electricity rate can be checked in real-time within the customer's premises. Warning signs in excess of the amount can lead to economic power consumption patterns.

Hereinafter, the same reference numerals will be described in detail with reference to the accompanying drawings, with reference to the same components preferred embodiments of the present invention. The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical meanings and concepts of the present invention.

The embodiments described in the specification and the configuration shown in the drawings are preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, various equivalents and modifications that can replace them at the time of the present application are There may be.

1 is a block diagram of a power user electric charge display device 1 according to an embodiment of the present invention.

Referring to FIG. 1, a power user electric charge display device 1 includes a power supply circuit unit 110, a detector 12, a measurement unit 22, a micro control unit 30, and a display unit 60.

The power supply circuit unit 110 is connected to the load side of the earth leakage breaker (not shown) to supply power required for driving the power user electric charge display device 1. In the present embodiment, the power is supplied from the load side of the ground fault circuit breaker, but the present invention is not limited thereto, and may be configured to receive power from the battery, including a separate replaceable battery and a battery.

The detector 12 detects a current or voltage from an earth leakage breaker (not shown). As illustrated in FIG. 1, the detector 12 may include a current sensor 10 for detecting a current at the power supply of the earth leakage breaker and a voltage sensor 11 for detecting a voltage at the load of the earth leakage breaker.

The measurement unit 22 converts the analog signal of the voltage and current detected by the detection unit 12 into power measurement information that can be recognized by the micro control unit 30. To this end, the measurement unit 22 powers the digital signal converted by the A / D converter 20 and the A / D converter 20 which converts the analog signal of the voltage and current detected by the detector 12 into a digital signal. It may include a DSP 21 for converting the measurement information.

The micro control unit 30 is responsible for the overall control of the electric charge display device (1). In addition, the micro-control unit 30 may convert the power measurement information received from the measurement unit 22 into electricity rate data according to the customer contract type by referring to the electricity rate unit price information per amount of power stored therein.

To this end, the micro-control unit 30 may include a storage device that stores the electricity price unit price information for each amount of power used by the contract type. As the storage device, various storage devices such as ROM, RAM, EPROM, and EEPROM may be used, and are not particularly limited. In addition, the present embodiment describes a case where the storage device is located in the micro control unit 30, but the present invention is not limited thereto and may be provided separately from the micro control unit 30.

The electric charge unit price information per power amount may be stored in the micro control unit 30 at the time of manufacturing the electric charge display device 1.

The micro-control unit 30 stores the electric charge data converted from the power measurement information in the storage device therein and transmits it to the display unit 60.

The display unit 60 receives and displays electric charge data from the micro control unit 30. The display unit 60 is not particularly limited as long as it can display information such as a CRT monitor, an LCD monitor, an OLED monitor, and a PDP monitor.

In addition, the electric charge display device 1 may further include a key input unit 90 as shown in FIG. 1.

The key input unit 90 is connected to the micro control unit 30, the user of the customer can directly input and store the current power consumption target amount in the storage in the micro control unit 30, the time holding device unit 80 You can enter and modify the current time of). In addition, the user may store the above-mentioned electricity price unit price information per power amount in the storage device in the micro control unit 30 or change the setting required for the electricity rate display device 1 through the key input unit 90.

In addition, the electric charge display device 1 may further include a time maintaining device 80 as shown in FIG. 1.

The time maintaining device 80 is connected to the micro-control unit 30 to add the current time information to the power measurement information measured by the measurement unit 22 to provide a different electricity rate unit price by time and season for each customer contract type Make it applicable.

In addition, the electric charge display device 1 may further include an RF transceiver 40, a reset unit 50, and a warning display unit 70, as shown in FIG. 1.

The RF transceiver 40 receives a reset signal from the portable transmitter RF transmitter of the meter reader to be described later in detail to transmit to the reset unit 50. The RF transceiver 40 may also transmit a reset complete signal from the microcontroller 30 to a portable reset RF transceiver.

The reset unit 50 receiving the reset signal from the RF transceiver 40 transmits the reset signal to the microcontroller 30. The micro control unit 30 stores the electric charge data accumulated until the reset signal in response to the reset signal from the reset unit 50 in the internal storage device as the electric charge of the previous month, and at the same time, checks the electric charge for the current month. The portion of the storage device storing the accumulated electric charge data is reset so that data can be stored.

The warning display unit 70 receives a warning from the micro-control unit 30 when the actual electric charge exceeds the input current monthly electricity consumption target amount, and warns the user that the target electric power consumption has been exceeded. The warning display unit 70 may be configured as a flashing lamp for warning, but is not limited thereto. In addition, the warning display unit 70 may be implemented to be configured to display a warning on the display unit 60 in combination with the display unit 60.

In addition, the electric charge display device 1 according to the embodiment of the present invention may further include a communication port unit 100.

The communication port unit 100 may upload the changed unit price information in the micro control unit 30 when upgrading the firmware for the micro control unit 30 or when the contract type electricity rate unit price data of the general electric service provider is changed.

Such communication port unit 100 includes, but is not limited to, RS-232C, other serial ports, parallel ports, USB ports, IEEE 1394 ports, and the like.

Hereinafter, an example of one operation of electric charge expression using the electric power user electric charge display device 1 of the present invention having the above configuration will be described.

First, the (+) wire of the earth leakage breaker power supply side is penetrated into the current sensor (10, wire through-type circular current sensor) of the detection part of the electric power user electric charge display device 1, and then the (+) of the power supply circuit part 110 is installed. Insert the (–) side wire into the earth leakage breaker load side wire insertion hole.

The current detected through the current sensor 10 is converted into power measurement information through the measurement unit 22 composed of the A / D converter 20 and the DSP 21, and the converted power measurement information is converted into the micro control unit 30. The electricity consumption is accumulated from the measurement point of time by referring to the contract type electricity rate unit price information stored in the storage device of the storage device, and the accumulated electricity consumption is converted into electricity rate data, which is information converted into electricity rates, and stored in the storage device. Mark so that customers can easily recognize the actual electricity bill.

In addition, the micro-control unit 30, for example, to save the electricity charges for the last three months in the RAM, and can check the monthly electricity charges for the last three months with the LCD display unit 60 through the operation of the key input unit 90 of the customer, the user If the input of the current month's power consumption target amount may be configured to display the excess alarm through the alarm display unit 70 when the target amount is exceeded by comparing the current month's cumulative consumption with the display value converted into an electric charge.

Installation of electricity user electric charge display device Contract type of customer, input of contract power information, input and modify the current time of display device, change of contract type of the corresponding customer after installation or change information input when changing contract power, press key input unit 90 Is done through.

When the contract type electric charge unit price change of the general electricity provider, the unit price change information is uploaded to the corresponding part of the storage device in the micro control unit 30 through a communication port, for example, the communication port unit 100.

Upon arrival of the meter reading date of the customer with the electric power display device 1, the meter reader inputs the meter information to the meter terminal and presses the reset button 500 of the portable RF receiver 2 shown in FIG. Is confirmed through the transmission confirmation red LED (400), and whether or not the cumulative power consumption and electricity rate conversion value reset of the micro-control unit 30 is completed reset transmitted from the RF transceiver 40 of the power user electricity rate display device Receive the signal and confirm through the reset LED (300).

The microcontroller 30 stores the electric power consumption and the electric charge conversion value accumulated until the reset as the previous month's electric charge in the RAM in the microcontroller.

The portable receiver RF transmitter 2 will be described in detail later.

Hereinafter, a power user electric charge display method according to an embodiment of the present invention will be described with reference to FIG. 2. In particular, with reference to Figure 2 will be described an example of displaying whether or not to exceed when the actual electricity bill exceeds the current electricity consumption target amount.

FIG. 2 is a flowchart showing whether the excess amount is exceeded to the customer when the actual electricity rate exceeds the target electricity consumption amount of the current month.

As shown in FIG. 2, in the power user electric charge display method according to an embodiment of the present invention, first, the power user electric charge display device 1 is driven (step S1).

Next, the user of the customer inputs the current power consumption target amount through the key input unit 90 directly (step S2). The user's input may be displayed through the display unit 60.

Thereafter, the current and the voltage of the load side of the earth leakage breaker are measured through the detection unit 12 of the electric charge display device 1, and the measured current and the voltage are converted into power measurement information by the measurement unit 22, and then the micro control unit 30. (Step S3).

The micro-control unit 30 converts the received power measurement information into cumulative electric charge data according to the customer contract type by referring to the electric charge unit price information per used power stored in the internal storage device and stores the stored electric power in the storage device and inputs the power consumption. The data is compared with the target amount of money (step S4).

As a result of the comparison, if the cumulative electric charge data exceeds the data on the power consumption target amount, the micro-control unit 30 sends a signal to the warning display unit 70 so that the warning display unit 70 blinks (step S5). .

Thereafter, when the meter reader instructs to reset the corresponding part of the storage device in which the accumulated electric charge data in the micro control unit 30 is stored through the portable reset RF transmitter / receiver 2 (step S6), the warning display unit 70 ) Is turned off and the corresponding part of the storage device in which the cumulative electric charge data in the micro control unit 30 is stored is reset to receive and store new electric charge data (step S7).

Through the electric charge display device 1 and the electric charge display method, the amount of power used can be checked in real time, and a usage plan can be established by checking the power consumption, thereby saving power consumption.

Hereinafter, a portable reset RF transmitter 2 according to an embodiment of the present invention will be described with reference to FIG. 3.

3 is a perspective view illustrating a portable reset RF transceiver according to an embodiment of the present invention.

Referring to FIG. 3, the portable reset RF transceiver 2 includes an antenna 200 for transmitting and receiving a reset signal; A reset button 500; A red LED 400 confirming that the reset signal has been transmitted when the meter reader presses the reset button; And a green LED 300 for confirming that the power user electric charge display device has received a reset completion signal indicating that the corresponding portion of the storage device of the microcontroller has been reset after receiving the reset signal.

In relation to the operation of the portable reset RF transmitter 2, when the meter reader presses the reset button 500 after the completion of the meter reading on the corresponding customer reading date, the RF transmitter / receiver of the power user electric charge display device 1 from the RF transmitter 2 A reset signal for resetting the micro control unit 30 is transmitted to 40.

The RF transmitter / receiver 2 of the power user electric charge display device 1 having received the reset signal transmits a reset signal to the reset unit 50 and the reset unit 50 controls the micro control unit 30 according to the reset signal. The electric charge data stored in the storage device, for example, RAM, is reset.

After the reset is completed, the micro-control unit 30 transmits a reset completion signal indicating that the reset is completed to the portable reset RF transceiver 2 through the RF transmitter and receiver 2, and receives the portable reset RF transmitter and receiver. (2) flashes the green LED 300 confirming the reset completion signal.

Through this portable reset RF transmitter and receiver 2, the meter reader can reset the corresponding part of the storage device to simply initialize the electric charge data stored in the micro control unit 30.

Although the technical spirit of the present invention has been described above with reference to the accompanying drawings, this will be described as an exemplary embodiment of the present invention by way of example and is not intended to limit the present invention. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

1 is a block diagram of a power user electric charge display device according to an embodiment of the present invention;

Figure 2 is a flowchart showing whether or not exceeded to the consumer when the actual electricity bill exceeded the current monthly electricity consumption target amount; And

Figure 3 is a perspective view showing a portable RF transmitter for reset according to an embodiment of the present invention.

Claims (9)

delete delete As an electric charge display device which can grasp the power consumption of the customer in real time, A power supply circuit unit connected to the load side of the ground fault breaker to supply power for driving; A detector for detecting a current or voltage signal from the earth leakage breaker; A measurement unit converting the voltage or current signal detected by the detection unit into power measurement information; A micro-control unit for converting and storing the electric power measurement information received in the overall control of the electric charge display device and the measurement unit into electric charge data according to a customer contract type by referring to the electric charge unit price information per used power amount stored therein; And a display unit for receiving and displaying the electric charge data from the micro control unit. The micro-control unit includes a storage device, and stores the electricity price unit price information and the electricity price data per power amount, Electricity rate display device further comprises a time maintaining device for adding the current time information to the power measurement information measured through the measurement unit to apply different time zones, seasonal electricity rate unit price by customer contract type. 4. The apparatus of claim 3, further comprising: connected to the micro control unit, inputs and stores data on a target power consumption amount or electric charge unit price information per power amount to the storage device in the micro control unit, and stores a current time of the time maintaining unit unit. And a key input unit for inputting and correcting the electric charge. The apparatus of claim 4, further comprising: an RF transceiver for receiving a reset signal from an external RF transceiver and transmitting a reset completion signal to the external RF transceiver, and receiving a reset signal from the RF transceiver for resetting the storage device in the microcontroller. An electric charge display device further comprising a reset unit. According to claim 5, If the electric charge data stored in the micro-control unit exceeds the data for the power consumption target amount input by the key input unit according to the instruction from the micro-control unit to the user the power consumption target amount Electric charge display device further comprises a warning display for warning that the exceeded. As an electric charge display device which can grasp the power consumption of the customer in real time, A power supply circuit unit connected to the load side of the ground fault breaker to supply power for driving; A detector for detecting a current or voltage signal from the earth leakage breaker; A measurement unit converting the voltage or current signal detected by the detection unit into power measurement information; A micro-control unit for converting and storing the electric power measurement information received in the overall control of the electric charge display device and the measurement unit into electric charge data according to a customer contract type by referring to the electric charge unit price information per used power amount stored therein; A display unit for receiving and displaying the electric charge data from the micro control unit; A key input unit connected to the micro control unit for inputting and storing data on a power consumption target amount or electric charge unit price information per power amount to the storage device in the micro control unit; And An RF transceiver for receiving a reset signal from an external RF transceiver and transmitting a reset completion signal to the external RF transceiver, and a reset unit for receiving a reset signal from the RF transceiver and resetting a storage device in a microcontroller. The micro-control unit includes a storage device for storing the electricity price unit price information and the electricity price data per power amount, the electricity price display device resets the portion where the electricity price data in the storage device is stored through the RF transceiver An electric charge display device, which communicates with an RF transceiver. The RF transmitter and receiver of claim 7, wherein the RF transceiver transmits and receives a reset signal, a reset button, a first display unit for confirming that the reset signal is transmitted when the reader presses the reset button, and the power user electric charge display device And a second display unit configured to receive a reset completion signal indicating that the corresponding part of the storage device of the micro control unit has been reset after receiving the reset signal. Driving a power user electric charge display; Inputting a power consumption target amount through a key input unit of the power user electric charge display device; Measuring a current and a voltage of a load side of the circuit breaker power supply through a detector of the electricity rate display device, and converting the measured current and voltage into power measurement information by the measurement unit and transmitting the measured power and information to the microcontroller of the power user electricity rate display device; The micro-control unit converts the received power measurement information into cumulative electricity rate data according to the customer contract type by referring to the electricity rate unit price information per power amount stored in the internal storage device, and stores it in the storage device and through the key input unit. Comparing the data with respect to the input power consumption target amount; Displaying, by the micro-controller, a warning display unit of the electric power user electric charge display device when the cumulative electric charge data exceeds data for the target power consumption amount to display a warning; Instructing the power user electric charge display to reset a corresponding portion of the storage device storing the accumulated electric charge data in the micro control unit via a reset RF transmitter and receiver; And And ending the warning of the warning display unit and resetting the corresponding portion of the storage device in which the accumulated electric charge data in the micro control unit is stored to receive and store new electric charge data. How to display electricity bills.

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