JP2002233082A - Power line carrying control system and control equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform centralized control and management such as the measuring, checking, power supply turning on and off control and fine power control of the whole electric equipment in a distribution board, the individual power consumption of the equipment and the like and enable centralized monitoring control such as monitoring of current leakage or the like, informing and coping. SOLUTION: Wattmeters are provided in a distribution board 2 and an electric household appliance 3 constituting a power line carrying control system respectively, power consumption or the like of the whole electric equipment and individual equipment is measured, measuring information and control information are exchanged by a modem, and transmitted to outside control equipment through control equipment 4 from the distribution board 2. Centralized control is enabled in an outside control equipment side, and interception control or the like of the power source supply of the electric household appliance is performed on the basis of the measured information of each wattmeter.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport control system for electric appliances such as home appliances and office appliances.
In particular, the present invention relates to a control device such as a power line carrier control system and a switchboard that can realize a power measurement system that effectively utilizes an existing infrastructure.

[0002]

2. Description of the Related Art Conventionally, there has been known a control system for controlling various devices connected to a power line from an operation panel or the like via the power line. For example, FIG.
It is a figure which shows the control system of Unexamined-Japanese-Patent No. 34 publication. .., Ln connected to the branch switch f of the distribution board d via a power line c, and a transmitter a for controlling the loads. a to control the load via the receiver b.

A control system for controlling a device using a modem is also known as a power line carrier control system or the like. FIG. 9 is a diagram showing a power line carrier control device described in the above publication. A carrier signal is transmitted and received on the power line t between the transmitter and the receiver, and the device on the receiving side is controlled. The figure shows a configuration on the receiver side, which has a logic circuit h for controlling the output contact i, and an address setting circuit g, and which is controlled by the modem to specify an address from the transmitter side. Of the output contact i of the receiver is controlled.

FIG. 10 is a diagram showing a remotely operable watt hour meter capable of totalizing power consumption by power line carrier control described in Japanese Patent Application Laid-Open No. 11-230998. A power meter A is provided on the power input side of the distribution board B, and a plurality of electric devices D connected to the indoor wiring via an adapter C are provided in the power meter A.
Amount measuring unit A1 for measuring the amount of power, computer A4 for processing the measured power, telephone A2 and modem A3
And a modem A5 or the like as a power line carrier transceiver connected to the indoor wiring, and from a computer A4 via the telephone A2 according to a command from a collection management unit (not shown) received via the telephone A2. The power consumption is transmitted to the collection management unit. Also, the switch of the electric device is turned on / off by a control signal from an external telephone, which specifies the electric device D and instructs the on / off state of the electric device.

[0005]

In the conventional power line carrier control, the switches (contacts) of various devices connected to the indoor wiring are controlled by an external telephone via a communication line, a telephone and a modem by a control signal. By doing this, power saving and centralized management of electricity billing work is performed by controlling on / off control and summing up the power consumption of power consumers measured at the input side of the distribution board. It was not possible to carry out detailed measurement, various aggregation, management, power supply and equipment control, and monitoring based on the measurement information.

(Object of the Invention) An object of the present invention is to perform centralized control and management such as measurement, check, power on / off control, and fine power control of the entire device and individual devices by power line carrier control. It is an object of the present invention to provide a control device such as a power line carrier control system and a switchboard.

Another object of the present invention is to provide a power line carrier control system and a switchboard that enable centralized monitoring and control, such as monitoring, reporting and handling of leakage, etc., based on the amount of power used by the switchboard and the amount of power used by each electrical device. And to provide control equipment.

Another object of the present invention is to provide a power line carrier control system and a control device such as a switchboard, which can automatically transfer an alarm to an external monitoring center and perform a power cutoff control when a leakage is detected. is there.

Another object of the present invention is to provide a power line transport control system and a power distribution panel, which can perform power control by controlling power on / off at a set time for each device due to energy saving measures and the like. It is to provide a control device.

Another object of the present invention is to provide a control device such as a power line carrier control system and a switchboard that enables data communication between home appliances and external terminals using a power line.

[0011]

SUMMARY OF THE INVENTION The present invention provides a function of controlling various devices by superimposing a control signal on a power line on a power supply line for obtaining electric power in home electric appliances, office appliances, and the like. It is characterized by:

The power line transport control system according to the present invention includes a distribution board (for example, 2 in FIG. 1) of a commercial power supply and an electric device (for example, 3 in FIG. 1) connected from the distribution board by power wiring (for example, 5 in FIG. 1). In the power line transfer control system for performing transfer control via a modem, the switchboard includes a switchboard power meter (for example, 23 in FIG. 2) that measures power information supplied from an external service line, and the switchboard power meter. A power distribution control panel that inputs measurement information of the electric device and measurement information of the electric device received from the power wiring and outputs power information to an external control device (for example, terminal 6, such as a monitoring center or a power company in FIG. 1); A power meter (for example, 32 in FIG. 3) for measuring power information of the electrical device.
And a device control panel (for example, 34 in FIG. 3) for transmitting power information measured by the device power meter to the power wiring as measurement information of the electrical device (for example, FIG. 3).
Power supply control device). Further, the electric device side has an outlet (for example, FIG. 7) connected to the power wiring and connectable to the electric device, and the control device is built in the outlet.

In the above invention, the control device includes a power cut-off device for electric equipment (for example, 31 in FIG. 3), and the distribution control panel includes measurement information of the distribution panel power meter and measurement information of the device power meter. Comparing, when the distribution abnormality is detected, characterized in that it controls the device switchboard and shuts off the power supply breaker, and furthermore, the distribution control panel, when detecting the distribution abnormality, the external control device It is characterized by reporting abnormal information.

Further, the external control device centrally manages the power information or the state of the electric device, and performs power on / off control or control of the state of the electric device based on the set power consumption or the set time of the electric device. Features.

The power distribution board of the present invention is connected to the power wiring, and transmits the power information measured by the device power meter to the power wiring as the measurement information of the electric device. A power distribution board of a power line transport control system that performs transport control via a modem between the electrical equipment side and an electrical equipment side having an equipment control panel, and a distribution board wattmeter that measures power information supplied from an external service line. A distribution control panel that inputs measurement information of the distribution panel power meter and measurement information of the electric device received from the power wiring and outputs power information to an external control device, wherein the distribution control panel Is characterized in that the measurement information of the distribution wattmeter is compared with the measurement information of the device wattmeter, and when an abnormality is detected in the distribution, the device switchboard is controlled and the power supply of the electric device is cut off. To.

The outlet according to the present invention is provided with a switchboard power meter for measuring power information supplied from an external service line, and measurement information from the electric equipment received from the power wiring and measurement information of the switchboard power meter. An electrical outlet of a power line transport control system that connects the electrical equipment via the power wiring to a power distribution board having a power distribution control panel that outputs information to control equipment, wherein the electrical outlet is power information of the connected electrical equipment. An instrument wattmeter that measures the power meter, characterized in that it comprises a control device consisting of a device control panel that transmits measurement information of the device wattmeter to the power wiring as the measurement information of the electrical device, the control device, With a power circuit breaker for electrical equipment, the power distribution control panel compares the measurement information of the power distribution meter with the measurement information of the equipment power meter,
When detecting an abnormality in power distribution, the equipment switchboard shuts off the power cutoff.

More specifically, the power line carrier control system of the present invention comprises a switchboard and home electric appliances connected to indoor wiring, and is different from a configuration in which the switchboard has only a breaker of a conventional device. The home appliance includes a power cut-off device, a power meter, a device control panel, and a power control device including a modem.

The power meter of the switchboard measures the power consumption etc. of the entire home appliance, and the power meter of the home appliance has a function of measuring the power consumption of each device in real time. The modem superimposes / separates control signals or data for data communication on the power line, the power distribution control panel cooperates with the device control panel based on the control signals, the device control panel controls various devices, and the power cutoff switches off the power supply. Has the function of shutting off. The transformer has a function of preventing high frequency components from leaking to the commercial power supply line.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a control device such as a power line carrier control system and a switchboard according to the present invention will be described with reference to the drawings.

(Description of Configuration) FIG. 1 is a block diagram showing a system configuration of the present embodiment. In the figure, 1
Indicates a home, office, building, etc., 2 indicates a switchboard connected to a power supply line of a commercial power supply, 5 indicates indoor and outdoor wiring wired from the wiring board 2, and 3 indicates connection to an outlet provided on the wiring. Devices with power control functions, for example, home appliances (hereinafter, "home appliances with power control functions"). Reference numeral 4 denotes a control device, which can be connected to an external device, a telephone jack, a cable TV terminal 6, and the like.
Under the control of the external device, the telephone, or the cable TV terminal side, it has power information measurement such as power consumption measurement of the home electric appliance 3 with the power control function and various other control functions to be described later.

FIG. 2 is a block diagram showing a configuration example of the switchboard of the present embodiment. The wiring board 2 includes a breaker 21 and a transformer 22 which are usually provided between the service line and the indoor wiring and the outdoor wiring, and a power meter 23 between the breaker 21 and the transformer 22 and a transformer 22. A modem 25 is provided on the output side, and a power distribution control panel 24 is provided between the power meter 23 and the modem 25.

The wattmeter 23 is different from a normal wattmeter installed by a power company.
Current, voltage, voltage fluctuation, current fluctuation, etc.).

The power distribution control panel 24 has an interface with an external control device such as an external terminal, controls the measurement of the power meter 23, controls the measurement of the power meter built in the home electric appliance having the power control function, and It outputs a control signal for performing on / off control of each unit of the household electric appliance having the power control function.

The modem 25 modulates the control signal output from the power distribution control panel 23 into a carrier signal having a frequency higher than the commercial frequency on the power line and outputs the modulated signal. The modem 25 demodulates the carrier signal on the power line and demodulates the carrier signal. Output to The transformer 25 is
The high-frequency signal output from the modem 25 is inserted so as not to leak to the service line drop-in side.

FIG. 3 is a block diagram showing a configuration example of a home electric appliance having a power control function. The home electric appliance 3 with the power control function is a power control device and each functional unit (each unit) of the home electric appliance main body.
The power supply control device comprises a power supply breaker 31 between the power supply line and each unit, a power meter 32 connected to the power supply line, a modem 33, and a power meter 32, the modem 33 and the power supply breaker 31. And a device control panel 34 connected to the

The power meter 32 measures power information such as power, current, voltage, current fluctuation, voltage fluctuation, etc. of the home electric appliance with the power supply control function. Measurement control and power cut-off device 31
And ON / OFF control of each unit, and performs control including ON / OFF control of each unit, and outputs measurement information and state information such as the ON / OFF state of the home electric appliance with a power control function to the modem 33. The modem 33 outputs a signal of a carrier on the power line to the device control panel 34 as a signal such as a baseband, and outputs a signal from the device control panel 34 to the power line as a carrier signal.

(Description of Operation) Next, the operation of this embodiment will be described with reference to FIGS. In the system configuration of the present embodiment, a signal (data) from the power distribution control panel 24 provided in the power distribution panel 2 is transmitted to each home appliance 3 via the modem 25, for example, through the existing power line 5 laid in each home or the like. The signal is supplied to the device control panel 34 in the home appliance via the modem 33, and the signal is supplied to the device control panel 34.
And instructs each functional unit to execute necessary processing according to the signal. In addition, the device control panel 34 of each home appliance 3 and the power distribution control panel 24 of the distribution panel 2 transmit the power, current, voltage, current fluctuation, measured value of voltage fluctuation and control signal measured by a wattmeter, which are used in the device. Interact with each other and control each part of the equipment.

For example, the device control panel 34 transmits various information to the power distribution control panel 24 of the distribution panel 2, and the power distribution control panel 24 processes the information and outputs the processed information to the control device 4 or the like. Switchboard 2
The control device 4 connected to the external terminal and the power distribution control panel 2
The controller 4 has a function of inputting and outputting various types of information, and the control device 4 designates various operations of the home electric appliance 3 and monitors the state. The control for the control device 4 can be configured to be remotely controlled through a communication line (telephone, CATV, wireless line, etc.).

According to the power line carrier control system of the present invention,
The details of the measurement and transfer control of the power information for the home appliance with the power control function and the entire house will be described in detail below.

By inputting a control signal to the control device 4 from a telephone or a cable TV terminal of an external terminal, various types of measurement, control, and monitoring are performed from the control device 4 or the power distribution control panel 24. For example, (1) while collecting power information such as the total amount of power of the house from the wattmeter 23 of the switchboard 2 and totaling the power information of each wattmeter 32 of the household electric appliance 3, the obtained power information is power distribution. The information is transmitted to the external terminal via the control panel 24. (2) Control the device control panel 34 of all the home appliances 3 or the desired home appliances 3 to collect power information such as the power amount of the home appliances from the wattmeter 32 and transmit the information to the external terminal side. I do. (3) the measurement result of the power meter 23 installed on the switchboard 2;
A comparison is made with a measurement result (accumulated value of the measured value, etc.) by the wattmeter 32 disposed on each home electric appliance side, an abnormal phenomenon such as electric leakage is monitored, and the monitoring result is transmitted to a predetermined monitoring center via an external terminal. And performs control such as shutting off the power supply breaker 31 of the abnormal home appliance. Specifically, when a power leakage or other unexpected dangerous state is detected due to, for example, a difference between the amount of power used by the switchboard and the total amount of power used by each home appliance, the power distribution control panel 24 of the switchboard 2 Through an external terminal, an alarm is automatically transferred to a terminal of a power company via a TEL line or the like.
4 shuts down the power cutoff 31. (4) In order to save energy, the power consumption of the home electric appliance 3 is checked and power on / off control is performed, or power supply off control is performed with a preset power consumption.
Alternatively, fine power control is performed, such as performing power-on / off control of each device at a set time. In addition, it monitors the status of each device, monitors the control result of power control, and outputs a monitoring result such as the status and control status of each device to the external terminal side in response to a request from the external terminal. (5) The above control is performed remotely through an external terminal, and an emergency procedure is performed by autonomous control of the control panels 24 and 34, and the execution result is transmitted from the external terminal to a remote location such as a monitoring center. It is possible to be configured to. (6) In addition to the control described above, it is also possible to perform data communication between home appliances using a power line, and between home appliances and external terminals. In this case, the distribution control panel 24 of the distribution panel 2
Alternatively, the control device 4 also functions as a router or a terminal adapter that performs data communication with the outside, and controls communication with a provider or the like.

(Other Embodiments) In the above embodiments, a power supply control device is provided in the home electric appliance itself so that various measurements and controls can be performed by control from the power distribution control panel 24 of the wiring board 2. However, it is possible to adopt a configuration in which the power control function is independent of the home electric appliance.

FIG. 4 is a block diagram showing a system configuration of another embodiment of the present invention using a power supply control device independent of home electric appliances, and FIG. 5 has only a power supply control function of home electric appliances. FIG. 3 is a block diagram illustrating a power supply control device, and a basic configuration for power supply control is the same as the configuration of the above-described embodiment. By configuring the power supply control function unit as an independent device and making the home electric appliance and the power supply control device independent, the commonly used electric device can be applied to the present invention as it is.

FIG. 6 is a block diagram showing a system configuration of another embodiment in which the power control device itself is embedded in a power outlet of a home, office, building, or the like.
FIG. 7 is a block diagram showing a configuration of an outlet with a power control device. Since the outlet itself has a power control function including a power meter and the like, the transport control system of the present invention can be realized only by inserting a plug of a normal electric device into the outlet.

[0034]

According to the present invention, by providing a power meter in both the switchboard and the electric equipment, the power information such as power consumption in the switchboard and the power information in each electric equipment are transmitted to the external control equipment. It is possible to perform centralized control and management such as measurement, check, power on / off control, and fine power control of the power consumption of the entire device and each device individually on the external control device side.

In addition, monitoring, reporting, and countermeasures, such as leakage, are performed based on the amount of power used by the switchboard and the amount of power used by each electrical device.
Centralized monitoring control is possible. Further, it is possible to perform automatic transfer of an alarm to an external monitoring center and power cutoff control when a leakage is detected.

Further, it is possible to perform power control from the external control device side by setting power consumption for each device and controlling power on / off for a set time by energy saving measures or the like.

The power lines are always installed (laid) in each home, building, etc., so that the introduction cost and the influence on the existing facilities can be minimized, and no new wiring is added. Or without introducing a new system such as wireless communication, it is possible to measure and control the above-described various devices and to perform data communication between home appliances and between external terminals using power lines.

[0038]

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a block diagram illustrating a configuration example of a switchboard according to the present embodiment.

FIG. 3 is a block diagram illustrating a configuration example of a home appliance with a power control function.

FIG. 4 is a block diagram showing a system configuration according to another embodiment of the present invention.

FIG. 5 is a block diagram illustrating a configuration of a power supply control device.

FIG. 6 is a block diagram illustrating a power outlet including a power control device.

FIG. 7 is a block diagram illustrating a configuration of an outlet with a power control function.

FIG. 8 is a diagram showing a conventional example.

FIG. 9 is a diagram showing another conventional example.

FIG. 10 is a diagram showing another conventional example.

[Description of Signs] 2 switchboard 3 home appliance with power control function 4 control equipment 5 indoor / outdoor wiring 6 telephone jack, cable TV terminal, etc. 21 breaker 22 transformer 23, 32 wattmeter 24 power distribution control board 25, 33 modem 31 power off Machine 34 Equipment control panel

Claims (9)

[Claims] 1. A power line transfer control system for controlling transfer via a modem between a switchboard of a commercial power supply and an electrical device connected to the switchboard by power wiring, wherein the switchboard is supplied from an external service line. Switchboard power meter that measures power information, and a power distribution control panel that inputs measurement information of the switchboard power meter and measurement information of the electrical device received from the power wiring and outputs power information to an external control device. The electrical device side includes a device power meter that measures power information of the electrical device, and a device control panel that transmits power information measured by the device power meter to the power wiring as measurement information of the electrical device. A power line carrier control system, comprising: 2. The electric device, further comprising an outlet connected to the power wiring and connectable to the electric device, wherein the control device is built in the outlet. Power line carrier control system. 3. The control device includes a power cut-off device for an electric device, and the distribution control panel compares measurement information of the distribution panel wattmeter and measurement information of the device wattmeter to detect an abnormality in power distribution. The power line transport control system according to claim 1, wherein the power distribution device is controlled to shut off the power cutoff device when the power distribution control is performed. 4. The power line transport control system according to claim 3, wherein the power distribution control panel reports abnormality information to an external control device when detecting a power distribution abnormality. 5. The external control device performs centralized management of the power information or the state of the electric device, and performs power on / off control or control of the state of the electric device based on set power consumption or set time of the electric device. Claims 1 and 2
Or the power line carrier control system according to 3. 6. An equipment power meter connected to a power wiring for measuring power information of an electrical device and an equipment control panel for transmitting power information measured by the equipment wattmeter to the power wiring as measurement information of the electrical equipment. A power distribution board for a power line transport control system that performs transport control via a modem between the power distribution board and an electrical device including: a power distribution panel wattmeter that measures power information supplied from an external service line; A power distribution control panel for inputting measurement information of a meter and measurement information of the electric device received from the power wiring and outputting power information to an external control device. 7. The distribution control panel compares the measurement information of the distribution wattmeter with the measurement information of the device wattmeter, and controls the device distribution panel when detecting an abnormality in the distribution, and controls the electrical device. The switchboard according to claim 6, wherein the power supply is cut off. 8. A switchboard power meter for measuring power information supplied from an external service line, and measurement information of the switchboard power meter and measurement information from an electrical device received from a power wiring are input to an external control device for information. An outlet of a power line transport control system that connects the electric device via the power wiring to a switchboard having a power distribution control panel that outputs power, wherein the outlet measures power information of the connected electric device. An outlet, comprising: a control device including a wattmeter and a device control panel that transmits measurement information of the device wattmeter to the power wiring as the measurement information of an electrical device. 9. The control device includes a power cut-off device for the electric device, and the power distribution control panel compares the measurement information of the distribution panel wattmeter with the measurement information of the device wattmeter to detect a power distribution abnormality. 9. The outlet according to claim 8, wherein the device switchboard shuts off the power cut-off device when the power supply is turned off.