KR101058847B1 - Remote read and control for midnight power unsing time controller with plc module - Google Patents

Abstract

PURPOSE: A remote read and control for midnight power using a time controller with a PLC module are provided to reduce administration costs managing midnight power load by efficiently using midnight power. CONSTITUTION: In a remote read and control for midnight power using a time controller with a PLC module, a latch contactor(134) keeps one state of an on/off state. A first watt-hour meter(114) measures midnight power. The power of a power line is not supplied to a midnight power apparatus in the off-sate of the latch contactor. A time controller(124) transmits calculated usage to a server. A power line communication transmits the usage of the watt-hour meter to a data collection apparatus. A time controller and a data collection device have a PLC module. A server(101) transmits/receives data between the data collection apparatus. A second watt-hour meter(154) measures firm power.

Description

Remote read and control for midnight power unsing time controller with PLC module using a time controller with a PLC module

The present invention relates to a midnight power remote meter reading and control system using a PLC time controller, and more particularly, to a remote control method and a system therefor for remotely controlling a midnight power provided to a user.

With the development of home appliances, information and communication devices, and the automation of facilities for production, electricity is essential in modern home life and production activities. This electricity is provided to the detainees by the power provider, who pays the electricity supplier a fee for the amount of power they use.

Since the power consumption of the prisoners is large during the day, the load is concentrated due to the large amount of power used during the day, and the power demand is not high during the night. There is a problem that leaves too much.

Accordingly, the utility company strongly recommended that prisoners use the midnight power equipment by providing discounts and other benefits in order to efficiently manage the surplus idle power at night. Midnight power is a power consumption that the electric power company differentiates and discounts the usage fee according to the power usage time zone by dividing the daytime and the time when the power usage is low.

In order to measure the midnight power and the constant power, it is equipped with a watt hour meter to measure the power of the daytime and the midnight watt hour meter to measure the power of the night, which operates the time switch with the night time setting function and the power switching function and distributes the load according to the time zone. Next, since the power consumption is separately measured, a plurality of power meters are installed separately, which causes a lot of cost due to installation and management.

In addition, since a time for directly using the late night power is directly input to the late night electricity meter in order to use the late night power, there is a problem in that it can be changed by the customer.

A first object of the present invention for solving the above problems is to provide a power remote control apparatus for remotely controlling the midnight power of the power provided to the user.

A second object of the present invention for solving the above problems is to provide a remote power control method for remotely controlling the midnight power of the power provided to the user.

A third object of the present invention for solving the above problems is to provide a method for metering the amount of midnight power and always-on power in order to remotely control the midnight power and always-on power provided to the user.

The power remote control apparatus according to the first embodiment of the present invention for achieving the first object of the present invention is a latch contactor for maintaining either the on state or the off state, the state of the latch contactor is on state In the case of receiving a pre-set midnight power supply time from the first power meter and server for metering the midnight power amount through the communication network, and if the current time corresponds to the midnight power supply time, and controls the state of the latch contactor to be kept on, It may be configured to include a time controller for controlling the metered night power amount to be transmitted to the server through a communication network.

The late night power remote control method according to the first embodiment of the present invention for achieving the first object of the present invention, the latch contactor to maintain one of the on state or off state, the state of the latch contactor is on state In the case of receiving a pre-set midnight power supply time from the first power meter and server for metering the midnight power amount through a communication network, and if the current time corresponds to the midnight power supply time, and controls the state of the latch contactor to be kept on, It may be configured to include a time controller for controlling the metered power amount is measured from the second power meter for metering the midnight power amount and the regular power amount to be transmitted to the server through a communication network.

In accordance with a second aspect of the present invention, there is provided a method for remotely controlling a power, including: receiving a preset night time power supply time from a server through a communication network, and providing the received late night power at a current time; Determining whether it corresponds to a time, and if the current time corresponds to the received late night power providing time, the first control step of controlling the state of the latch contactor to be in an on state and the latch contactor is kept in an on state And a second control step of controlling the metered value of the late-night electric power and the constant electric power supplied to the power device to be transmitted to the server through the communication network according to the set time of the server.

In accordance with a second aspect of the present invention, there is provided a method for remotely controlling power, in which a data collection device receives a request for receiving a metered value of a midnight power amount and a constant power amount from a server. The data collecting device searches for the first electricity meter to measure the late-night power amount corresponding to the identifier and the second electricity meter to measure the regular power amount, and the data collection device first corresponds to the identifier according to the search result. Receiving a metered value of the late-night power and the regular power amount, respectively, from the watt-hour meter and the second watt-hour meter, and transmitting the received late-night power and the constant power amount to the server.

In the case of using the midnight power remote control method and system for the same according to the present invention as described above, it was possible to reduce the administrative cost of managing the midnight power load in the server properly by using the midnight power efficiently. The cost of constructing additional power plants and substations for the peak value can be reduced, and the remote metering function can be added to reduce the operation cost and accurately manage the power bill.

1 is a block diagram schematically showing the internal structure of a power remote system according to a first embodiment of the present invention.
2 is a block diagram schematically showing the internal structure of a power remote system according to a second embodiment of the present invention.
3A is a flowchart illustrating a method for remotely controlling power according to a second embodiment of the present invention, in which a time controller determines a late night power supply time to control a latch contactor.
3B is a flowchart illustrating a method for remotely controlling power according to a second embodiment of the present invention, in which a time controller receives a late night power supply signal from a server and immediately controls a latch contactor.
4 is a flowchart illustrating a power remote control method according to a second embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals are used for like elements in describing each drawing.

The terms first, second, A, B, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is said to be "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that another component may exist in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the late night power remote control method and system therefor according to an embodiment of the present invention, the internal structure of the general late night power remote control system will be described in detail with reference to FIG. 1.

1 is a block diagram schematically showing the internal structure of a late-night power remote system according to a first embodiment of the present invention. 1 is connected to the server and the remote metering client by the communication network, so that as the server sets the late-night power providing time, the client provides the late-night power to the user during the late-night power supply time, quantify the amount of the night power provided to the user, and executes the metering As an exemplary diagram illustrating a case in which a server is provided to a server through a communication network via a data collection device including an identifier corresponding to a whole meter identifier, the data collection device may receive power from a plurality of electricity meters, and the data collection device Of course, the number of times can be changed, and accordingly the internal structure of the remote meter reading client can be changed.

According to a first embodiment of the present invention, a communication network may include a wired communication network or a wireless communication network, and the wireless communication network may include code division multiple access (CDMA), trunked radio system (TRS), and binary CDMA (B-CDMA). The wired communication network may include a power line communication network (PLC), a hybrid fiber coxial (HFC), and an optical cable, but is not limited thereto.

Referring to FIG. 1, the midnight power remote system according to the first embodiment of the present invention may include a server 101, a communication network 102, a data collection device 103, and a client 104. 104 may include a first power meter 114, a time controller 124, a latch contactor 134, and a midnight power device 144.

The server 101 and the data collecting device 103 communicate using wired and wireless communication, and the data collecting device and the time controller 124 transmit or collect data using a power line communication network (PLC). The data acquisition unit and the time controller are equipped with a PLC modem.

In addition, the time controller 124 equipped with the PLC module receives the late-night power consumption from the first electricity meter 114, and controls the latch contactor on / off at the request of the server. In this case, communication is performed by using wired / wireless communication. do. Therefore, the communication module is mounted in the first electricity meter and the time controller.

The time controller 124 equipped with the PLC module controls the latch contactor on / off immediately at the request of the server or, regardless of the request of the server, in the state in which the midnight power supply time is stored in the memory of the time controller 124. It is possible to control the latch contactor on / off by determining whether the current time is a midnight power supply time.

Referring to the schematic diagram of FIG. 1, the server and the data collection device communicate using wired and wireless communication, and the data collection device and the time controller are connected to a power line to supply power and to perform data communication (using a power line communication line). The time controller, the first power meter and the latch contactor exchange data via a general communication line.

The server 101 determines a late night power providing time for providing late night power to the user. As the server 101 determines the late night power providing time, the time controller 124 to be described below may turn on the state of the latch contactor 134 when the current time is the late night power providing time according to the late night power providing time set in the server. As a result, it is possible to control that the night power is provided to the user (to operate the night power device), and to control the amount of night power provided to the user.

Here, the time controller 124 equipped with the PLC module controls the latch contactor on / off immediately at the request of the server, or the time controller 124 after the late night power providing time is stored in the memory of the time controller 124 provided from the server. ) Compares the current time with the midnight power delivery time to control the latch contactor on / off.

In addition, the server 101 receives the late-night power usage metered by the first power meter 114 from the data collection device 103 through the communication network 102, and uses the usage at a predetermined time interval according to the time set by the server. Receive, or may receive the power consumption from time to time as needed.

In some cases, the server may receive the late night power consumption measured by the first watt hour meter 114 only at the late night power providing time, which may be changed according to the setting of the server 101.

Receiving the power consumption by the server transmits the late night power usage metered by the first power meter 114 to the time controller through a communication module included in the power meter, the late night strategy usage received by the time controller is a communication using a power line The power line communication network (PLC) is transmitted to the data collection device 103 using a technology, and the night power consumption stored in the data collection device 103 is transmitted to the server 101 through a wired or wireless communication network at a set time. do.

As described above, the time controller may control the latch contactor immediately at the request of the server, and if necessary, the night power supply time may be stored in the time controller 124 to directly control the latch contactor.

Hereinafter, a process in which the time controller directly controls the latch contactor will be described.

The time controller 124 may determine whether the current time is a late night power supply time based on the late night power supply time provided by setting the current time from the server 101 based on the current time. First, a case in which the time controller 124 determines that the current time is the late night power providing time set from the server 101 based on the current time will be described. The time controller 124 controls the state of the latch contactor 134 to remain in the on state when the current time is determined to be the late night power providing time set from the server 101, and thus the latch contactor controls the late night power to the midnight power device. 144, and control the first power meter 114 to measure and store in the memory the late night power provided to the late night power device 144, and to measure the night power measured by the first power meter 114. Through the time controller and the data collection device 103 to transmit to the server 101 at a predetermined time or in accordance with the command of the server 101.

On the other hand, when the time controller 124 determines that the current time is not the night power supply time set from the server 101 based on the current time, the time controller 124 provides the night power set at the current time from the server 101. In response to determining that it is not time, the state of the latch contactor 134 is controlled to remain off.

The latch contactor 134 maintains an on state or an off state under the control of the time controller 124, and no late night power is provided to the customer depending on the holding state. First, when the latch contactor 134 remains in the on state, the time controller 124 immediately controls the latch contactor at the request of the server 101 or provides a late night power supply time stored in the memory of the time controller provided by the server. This is the case using. In this case, as the state of the latch contactor 134 is maintained in the on state, the midnight power is supplied to the midnight power device 144. On the other hand, when the latch contactor 134 maintains the off state, the time controller 124 immediately controls the latch contactor at the request of the server, or utilizes the late night power providing time stored in the memory of the time controller to make the current time late. If it is determined that it is not the power providing time, no late night power is provided to the late night power device 144 as the state of the latch contactor 134 remains off.

According to the first embodiment of the present invention, an example of the late-night power device 144 is a device that uses the late-night power, and heats a predetermined amount of heat using a low-power time of the late-night time zone, for example, from 23 o'clock to 9 o'clock the next day, Any device may be used as long as it accumulates this and heats or cools to a predetermined temperature at a desired time period, and a device that increases the ease of use of power, and can obtain a benefit by using midnight power. The late night power device 144 may include a midnight power device for air heating and a late night power device for heating, heat storage, ondol, water heater, ice storage device, and the like, but are not limited thereto.

The second electricity meter 154 measures the amount of power at all times regardless of the late night power providing time set by the server 101 and displays the measured amount of power consumption at all times. In addition, the second electricity meter 154 uses the power line communication network (PLC), which is a communication technology using a power line through a time controller, regardless of the late night power providing time set by the server 101 to correspond to its identifier. Send to collection device 103. According to the first embodiment of the present invention, the second electricity meter 154 measures various electric power consumptions such as effective power amount (kWh), reactive power amount (varh), power factor (PF), demand power (Demand) and displays the value thereof. It is configured to.

The data collecting device 103 receives the late-night electric power metered by the first electric power meter 114 corresponding to its identifier and the regular electric power metered by the second electric power meter 154 at predetermined time intervals set by the server 101. do. When the data collection device 103 receives the late night power amount measured by the first electricity meter 114 corresponding to its identifier, the time controller 124 determines that the current time is a preset time from the server 101. Accordingly, when the state of the latch contactor 134 is maintained in the on state, the first electricity meter 114 measures the late night power consumption.

In addition, the data collecting device 103 may measure the amount of night power measured by the first electricity meter 114 corresponding to its own identifier at a predetermined time interval set by the server 101 and the second amount of electricity corresponding to its own identifier ( The amount of power measured at 154 is transmitted to the server 101. Next, the internal structure of the power remote system according to the second embodiment of the present invention will be described in more detail with reference to FIG. 2.

2 is a block diagram schematically illustrating an internal structure of a late-night power remote system according to a second embodiment of the present invention. FIG. 2 illustrates a communication between a server and a data collecting device using wired and wireless communication, and a client establishes a late night power providing time between a data collecting device and a time controller 124 using a power line communication network (PLC). By providing the late-night power to the consumer during the late-night power supply time, and provides the regular power during the normal time, the amount of the late-night power and the constant power provided, and the night power meter (first watt hour meter) and the constant watt hour meter (second watt hour meter) As an exemplary diagram illustrating a case in which a server is provided to a server through a wired / wireless communication network via a data collection device including an identifier corresponding to an identifier of), the data collection device may receive power usage from a plurality of electricity meters.

Referring to FIG. 2, the power remote system according to the second embodiment of the present invention may include the second power meter 154 and the continuous power device 164 in the configuration of the first embodiment.

The server 101 receives the midnight power amount measured through the first power meter 114 and the constant power amount measured through the second power meter 154 from the time controller 124 through the communication network 102, and thus the midnight power amount and the constant power amount. The amount of power can be managed in real time, and the user can be billed separately for the electricity fee for the strategic amount used at night and the electricity fee for the electricity used at all times.

To this end, the time controller 124 receives the constant power amount from the second power meter 154 that measures not only the late night power consumption but also the amount of power used at all times, and transmits it to the server 101. That is, the time controller 124 receives the late-night power consumption metered from the first electricity meter 114 and the regular power consumption metered from the second electricity meter 154 and provides the server 101 to the server 101, so that the server 101 can be provided by the user. The amount of electricity consumed over time (night and regular) can be identified and, accordingly, the user can be billed separately for the late-night strategic consumption and the electricity consumption for regular power consumption.

The second electricity meter 154 measures the amount of power at all times regardless of the late night power providing time set by the server 101, and transmits the measured amount of power consumption to the time controller 124 through the communication module. The transmitted constant power consumption is transmitted to the data collection device 103 using a power line communication network (PLC), and the data collection device transmits the data to the server 101 at a time set by the server. According to the second embodiment of the present invention, the second electricity meter 154 measures various electric power consumptions such as effective power amount (kWh), reactive power amount (varh), power factor (PF), demand power (Demand) and displays the value thereof. It is configured to.

The data collection device 103 receives the late-night power consumption metered by the first power meter 114 corresponding to its identifier and the regular power consumption metered from the second power meter 154 corresponding to its identifier, while receiving time Is set by the server 101 and generally sets the reception time to be received at regular time intervals.

In addition, the data collection device 103 calculates the continuous power consumption measured from the late-night power consumption metered by the first power meter 114 corresponding to the received own identifier and the second power amount 154 corresponding to the identifier thereof. The transmission time is transmitted to the server 101, but the transmission time is set by the server 101. In general, the transmission time is set to be transmitted at regular time intervals. Next, the power remote control method according to the second embodiment of the present invention will be described in more detail with reference to FIGS. 3A and 3B.

3A and 3B are flowcharts illustrating a power remote control method according to a second embodiment of the present invention.

Referring to FIG. 3A, the midnight power remote control system receives a preset nighttime power supply time from a server through a wired or wireless communication network (S401). According to a second embodiment of the present invention, a communication network may include a wired communication network or a wireless communication network, and the wireless communication network may include code division multiple access (CDMA), trunked radio system (TRS), and binary CDMA (B-CDMA). Includes, the wired communication network includes a power line communication network (PLC, Power Line Comunication), Hybrid Fiber Coxial (HFC), optical cable, and the like.

The time controller stores the late night power providing time in its own memory and determines whether the current time corresponds to the late night power providing time received from the server (S402).

If it is determined that the current time corresponds to the received late night power providing time, the time controller controls the latch contactor to be in an on state (S404). If it is determined that the current time does not correspond to the received late night power providing time, the time controller controls the latch contactor 134 to be in an off state (S403).

When the latch contactor 134 is maintained in the on state, the midnight power is provided to the midnight power device, and the midnight power meter measures the midnight power consumption (S404). The time controller receives the measured late night power consumption and / or the regular power consumption, and the received usage is transmitted to the data collection device through the power line communication network and transmitted to the server through the wired / wireless communication network (S405).

The time controller may control the latch connector immediately upon receiving the midnight power supply signal from the server, which will be described with reference to FIG. 3B. The late night power remote control system receives a late night power providing signal from the server (S411).

The time controller checks whether the midnight power providing signal is received from the server (S4012).

When the time controller receives the late night power providing signal, the time controller controls the latch contactor to be in an on state (S414). If the time controller does not receive the late night power supply signal, the time controller controls the state of the latch contactor 134 to be in an off state (S413).

When the latch contactor 134 is maintained in the on state, the midnight power is provided to the midnight power device, and the midnight power meter measures the midnight power consumption (S414). The time controller receives the measured late night power consumption and / or the regular power consumption, and the received usage is transmitted to the data collection device through the power line communication network and transmitted to the server through the wired / wireless communication network (S415).

Hereinafter, a power remote control method for receiving power amount according to a second embodiment of the present invention will be described in more detail with reference to FIG. 4.

4 is a flowchart illustrating a method for remotely controlling power for receiving power in accordance with a second embodiment of the present invention. In the system of the present invention, one server transmits / receives data with one or more data collection devices. The data collection device has a respective identifier for identification with other data collection devices.

In addition, one data acquisition device transmits / receives data with one or more time controllers, and each time controller has its own identifier for identification with another time controller.

In addition, one time controller transmits / receives one or more meters and data, and each meter has its own identifier for identification with another meter.

Hereinafter, the flowchart will be described with reference to FIG. 4.

The data collecting device 103 receives the transmission request of the late night and / or the regular power consumption from the server 101 (S501).

The data collecting device 103 searches for an identifier corresponding to the corresponding electricity meter requested by the server as the server 101 requests the transmission of the late night and / or the regular power consumption (S502). At this time, there is more than one meter for the server to request transmission, and each meter has its own identifier, and thus transmits the amount of the meter used through the identifier.

At this time, if the identifier of the corresponding electricity meter is present (S503), the power consumption of the retrieved identifier is confirmed in the memory of the data collection device or received from the time controller (S504). Next, the power consumption of the identifier to the server is finished (S505).

In the above step, the meter is applied to both the midnight electricity meter and the constant electricity meter. When the data collection device 103 receives the power consumption of the first electricity meter 114 that measures the amount of night power corresponding to the identifier, the time controller 124 determines that the current time is a night time preset from the server 101. Accordingly, as the state of the latch contactor 134 maintains the on state, the first electricity meter 114 measures the late night power consumption.

The time controller may control the latch contactor by judging by using the late night power providing time stored therein, but may control on / off of the latch contactor upon request of the server, that is, immediately after receiving the late night power providing signal.

In other words, when receiving the late-night power consumption, it is natural that the server can request and receive it at any time as needed.

In other words, the server can receive power consumption at regular intervals, or as needed, the power consumption at the desired time through the above steps, which is to obtain data of power consumption, instantaneous usage check, region, hourly, seasonal power consumption You may request power consumption from time to time to check.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

101: server 102: communication network
103: data collection device 104: client
114: first power meter 124: time controller
134: latch contactor 144: midnight power equipment
154: second power meter 164: constant power device

Claims (11)

In the midnight power remote control device,
A latch contactor for holding one of an on state or an off state;
A first wattmeter for metering midnight power when the latch contactor is in an on state; And
The latch contactor performs a function of connecting the power line and the midnight power device, but in the on state is configured so that the power of the power line is provided to the midnight power equipment, and in the off state is configured so that the power of the power line is not provided to the midnight power equipment,
Receives a predetermined night power supply time or a night power supply signal from a server through a communication network, and immediately controls the latch connector upon receiving the night power supply signal, or when the current time corresponds to the night power supply time, the state of the latch contactor is turned on. Control to maintain the state, and control the latch connector to remain off when the power supply time is not midnight,
The first electricity meter is configured to provide the input power to the latch contactor through the first electricity meter to measure the amount of power supplied while allowing the power to be supplied to the midnight power device when the latch contactor is kept on.
The metered usage amount includes a time controller for controlling the transmission to be transmitted to the server through a time controller via a communication network,
The communication network transmitting power consumption of the electricity meter to the data collection device through the time controller uses a power line communication network (PLC), and the time controller and the data collection device are equipped with a PLC module.
When the time controller determines that the current time is not the midnight power supply time, the latch contactor maintains the state of the off state so that power is not supplied to the midnight power device, and the latch is determined when the current time is the midnight power supply time. Keep the contactor on to provide power to the midnight power equipment,
One server transmits / receives data with one or more data collection devices, each data collection device having a respective identifier for identification with another data collection device,
One data acquisition device transmits / receives data with one or more time controllers, and each time controller has its own identifier for identification with another time controller.
One time controller sends and receives data with one or more meters and each meter has its own identifier for identification with another meter.
And a second power meter to measure the amount of regular power provided through the always-on power supply line and the power-on-time power supply line, which provides always-on power regardless of the late-night power supply time, and is measured by the second power meter. The amount of usage includes a time controller for controlling to be transmitted to the server through a communication network through the time controller,
The first controller for measuring the time controller and the late-night power, and the second meter for metering the constant power, the first meter for measuring the time controller and the late-night power and the second meter for measuring the constant power to transmit the amount of usage over a communication line. The electricity meter is equipped with a communication module,
A data collection device is further included between the time controller and the server, the usage of the first electricity meter and the second electricity meter received by the time controller is stored in the memory of the data collector, and the stored usage is transmitted to the server every predetermined time. ,
The time controller is a midnight power remote control device, characterized in that to keep the latch contactor on as soon as receiving the late night power supply signal from the server. delete delete delete delete delete delete delete delete delete delete

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