JP2008216243A - System and method for electric power consumption display - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To recognize present electric power consumption in a simple method. <P>SOLUTION: An electric power consumption data generating unit 11, connected with a voltage monitor 7 or a distribution board 8, generates an electric energy consumption data indicating the present electric power consumption, and transmits the generated electric power consumption data to an adaptor 31. The adaptor 31, arranged in a socket 21a, supplying power to a television picture tube 41 which is connected with this socket 21a receives the electric energy consumption data transmitted from the electric power consumption data generating unit 11 and generates the video data based on the electric power consumption data received by the adaptor 31. The video data generated by the adaptor 31 is output to the television picture tube 41 so as to display the electric consumption data thereon. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a power consumption display system and a power consumption display method that allow a power consumption amount to be displayed on a display device.

  At present, the monthly power consumption of each dwelling unit in a housing complex or a single-family home is measured by a watt-hour meter generally installed outdoors by a power company. Since this watt-hour meter is connected to the outdoor service entrance wiring, it is not installed in a place that is easy for the resident of the house to see.

  By the way, in consideration of an increase in power demand and environmental problems, there is a demand for reduction of power consumption. For this reason, in the home, for example, the home electric device is frequently turned on and off to contribute to energy saving. Residents can confirm how much energy saving they have achieved by checking the amount of electricity used and the amount of electricity charges on the meter reading slip provided by the power company. However, meter reading is generally done on a monthly basis, and residents can know the current power consumption even though they can know the degree of energy conservation last month by looking at the meter reading slip. I can't. In order to know the current power consumption, there is no other way than to look at the watt-hour meter for meter reading, but the watt-hour meter is installed in places where it is difficult to see outdoors, such as the eaves, so that you can check the power usage frequently. Is inconvenient.

  The following Patent Document 1 describes a system that allows a resident to know clearly the state of power consumption by each electrical device installed in a home. Specifically, in this Patent Document 1, the electricity fee for each electric device installed in the house is calculated based on the electricity fee charged from the power company to the house and the power consumption of each electric device, It is described that it is displayed on the screen of a television receiver. However, the system of Patent Document 1 also confirms the past power consumption based on the electricity bill, and does not confirm the current power consumption.

  In order to further improve the awareness of energy saving in each household unit, it is not sufficient to confirm the past power consumption, and it is also important to be able to confirm the current power consumption. There are dedicated terminals for checking the current power consumption, but they are not very versatile and difficult to spread to homes.

Japanese Patent Laid-Open No. 2002-40055

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a power consumption display system and a power consumption display method capable of confirming the current power consumption by a simple method.

  The power consumption display system according to the present invention is connected to a power supply unit such as a watt hour meter connected to a service entrance wiring to each house or a distribution board of the house, and shows a current power consumption amount. The data generation unit generates data, and the generated power consumption data is transmitted from the transmission unit to a power consumption data generation unit, and connected to an outlet connected to the power supply unit via an indoor wiring, and the power consumption And an adapter that receives power consumption data transmitted from the quantity data generation unit. The adapter includes a reception unit that receives the power consumption data transmitted from the power consumption data generation unit, and a video generation unit that generates video data based on the power consumption data received by the reception unit. And a video output unit that outputs the video data generated by the video generation unit to a video input unit of the display device, so that the power consumption can be displayed on the display device.

  In addition, the power consumption display method according to the present invention is a power consumption data generation unit connected to a power supply unit such as a watt hour meter connected to an entrance wiring to each house or a distribution board of a house. Generating power consumption data indicating the amount of power consumption, transmitting the generated power consumption data to an adapter connected to an outlet, and the adapter transmitted from the power consumption data generation unit. Receiving the power consumption data, generating video data based on the power consumption data received by the adapter, and outputting the video data generated by the adapter to a display device; Enabling the display of the amount of power.

  According to the present invention, the current power consumption is indicated by a power consumption data generation unit connected to a power supply unit such as a watt hour meter connected to an entrance wiring to each house or a distribution board of the house. Generates power consumption data, sends the generated power consumption data to the adapter connected to the outlet, generates video data based on the power consumption data with the adapter, and displays the power consumption on the display device Since it was made possible, the amount of power used can be confirmed almost in real time by a simple method, and the awareness of energy saving can be improved. In addition, the watt-hour meter used for the meter reading currently installed outdoors etc. is installed by providing the function of the watt-hour meter used for the meter reading currently used in the power consumption data generation unit. Space for manufacturing, installation, and maintenance, which had previously been required for watt-hour meters, can be reduced, and a clear display of meter reading results can be displayed on the display device. This makes it possible for the resident (customer) to easily check.

  As shown in FIG. 1, a power consumption display system 1 to which the present invention is applied is a television in which the current power consumption is spread in each home in each housing 2 of an apartment house, such as a detached house. It is intended to improve energy conservation awareness in each household unit by displaying on a display device such as a John receiver.

  Usually, each house 2 is supplied with electric power from a utility pole 3 through a lead-in wire 4 as shown in FIG. Further, the lead-in wire 4 is connected to the lead-in wire 6 at a lead-wire attachment point 5 attached to the eaves or the like of the house 2, and the lead-in wire 6 is separated via a watt-hour meter 7 used for meter reading or the like. Connected to electrical board 8. And in the distribution board 8, the electricity supplied from the inlet wiring 6 is connected to the outlets 21a, 21b, 21c, 21d,... Hereinafter, a plurality of outlets are collectively referred to as outlets 21).

  As described above, the power consumption display system 1 displays the current power consumption on a display device such as a television receiver that is widely used in each home. The distribution board 8 is provided with a power consumption data generation unit 11 for measuring the power consumption used in the entire house 2. The power consumption data generation unit 11 described here is provided on the indoor distribution board 8 in view of the fact that the watt-hour meter 7 is usually installed outdoors. As will be described in detail later, the power consumption data generation unit 11 measures the power consumption amount in the distribution board 8, and transmits the measured power consumption data to the adapter 31 connected to the outlet 21a. The adapter 31 receives the power consumption data and displays the power consumption data on the television receiver 41 electrically connected to the adapter 31.

  That is, a load 22 such as various electric devices is connected to the outlet 21 in the house 2. In the example of FIG. 1, a television receiver 41 as a display device is connected to the outlet 21 a via the adapter 31. The other outlets 21b, 21c, 21d,... Are connected to a load 22 such as an electric device such as a lighting fixture, a refrigerator, or a washing machine.

  As shown in FIG. 2, the power consumption data generation unit 11 provided in the distribution board 8 includes a power amount measurement unit 12 that measures the power input to the distribution board 8, and the power amount measurement unit 12 performs measurement. The data generation part 13 which produces | generates the power consumption amount data based on the made power consumption amount, and the transmission part 14 which transmits the power consumption amount data produced | generated by the data generation part 13 are provided.

  The electric energy measuring unit 12 measures the voltage and the current supplied to the entire house in the distribution board 8 to measure the entire power consumption of the house 2. Specifically, the distribution board 8 is generally provided with an ampere breaker and then a leakage breaker, and finally a distribution breaker that distributes current to the outlets of each room. Therefore, the electric energy measuring unit 12 measures the current before or after the earth leakage breaker with a current sensor such as a CT (Current Transformer), and between the voltage line in the distribution board 8 and the neutral line or the voltage line. The voltage is measured by a voltage measuring device, and the total power consumption of the house 2 is measured by multiplying these voltages.

  Here, the house 2 is provided with a watt-hour meter 7 for meter reading. However, since the watt-hour meter 7 is used for meter reading, a meter with high accuracy certified by a public testing institution is used. It has been. On the other hand, the power consumption measuring unit 12 of the power consumption data generation unit 11 is used to display the current power consumption on the television receiver 41, so that the watt-hour meter 7 for meter reading is used. The accuracy may be low and simple. Moreover, since this electric energy measuring part 12 should just be able to measure the electric power consumption of the whole house 2, you may connect to any position between the watt hour meter 7 and the distribution board 8, and it abbreviate | omits. The watt hour meter 7 may be used. When a highly accurate device is used for the electric energy measuring unit 12, the electric energy meter 7 may be omitted and the function of the electric energy meter 7 may be provided in the electric energy measuring unit 12. Thereby, the space for installing the watt-hour meter 7 can be made unnecessary, and the cost for manufacturing, installing, and maintaining the watt-hour meter 7 can be reduced.

  The data generation unit 13 generates power consumption data to be transmitted from the transmission unit 14 to the adapter 31 based on the power consumption measured by the power amount measurement unit 12. Then, the data generation unit 13 generates transmission data by performing a modulation process or the like for transmitting power consumption amount data from the transmission unit 14 to the adapter 31. Thereby, for example, the power consumption measured by the power measuring unit 12 can be transmitted to the adapter 31 and displayed on the television receiver 41 in substantially real time.

  Here, the communication between the power consumption data generation unit 11 and the adapter 31 may be wired, but here, wireless, particularly power-saving short-range wireless communication, for example, ZigBee conforming to the IEEE 802.15.4 standard. (Registered trademark) is used. In this case, the data generation unit 13 generates transmission data compliant with ZigBee so that the power consumption data can be transmitted from the transmission unit 14 configured with an antenna or the like. The communication used here is composed of the power consumption data generation unit 11 and the adapter 31 by adding a network automatic construction function in addition to the power-saving short-range wireless communication function as in ZigBee. It is possible to easily install the power consumption display system 1 to the house 2.

  For communication between the power consumption data generation unit 11 and the adapter 31, in addition to ZigBee, IrDA (Infrared Data Association) using Bluetooth, infrared rays, or the like may be used, and USB (Universal Serial Bus), IEEE 1394, IEEE 802, PLC (Power Line Communications), or the like may be used.

  When power-saving short-range wireless communication is used for communication between the power consumption data generation unit 11 and the adapter 31, the timer 13a of the data generation unit 13 is set in a relatively short unit such as 5 seconds, 10 seconds, and 1 minute. The time interval is measured, and the data generation unit 13 generates power consumption data at predetermined time intervals for power saving, generates transmission data based on the power consumption data, and transmits the transmission unit in a state close to real time. 14 to transmit. The memory 13b of the data generation unit 13 also stores integrated power consumption data representing the amount of electricity used from a predetermined time, and transmits the integrated power consumption data together with the power consumption data from the transmission unit 14. Anyway. Alternatively, the timer 13a may measure the time and send the current time data to the adapter 31.

  Furthermore, the power consumption data generation unit 11 is provided with an operation unit 15 that performs an operation and a temperature detection unit 16 that measures the temperature around the power consumption data generation unit 11. The operation unit 15 includes, for example, a push button provided on the housing, and includes a power button, an integrated power consumption reset button, and the like.

  The temperature detector 16 is formed of a thermocouple or the like, and measures the temperature around the power consumption data generation unit 11. The temperature data measured by the temperature detection unit 16 is input to the data generation unit 13, and when the power consumption data is transmitted to the adapter 31 at substantially real time or at predetermined time intervals, transmission data of the temperature data is also generated. The temperature detector 16 measures the room temperature when the power consumption data generation unit 11 is provided in the distribution board 8 because the distribution board 8 is often provided indoors. When the power consumption data generation unit 11 is provided in the outdoor watt-hour meter 7, the outside air temperature can be measured. Moreover, this temperature detection part 16 may be provided in the adapter 31, and may be made to measure the temperature of the environment where the adapter 31 was placed like the modification mentioned later.

  The power of the power consumption data generation unit 11 may be supplied from the wiring of the distribution board 8 or may be supplied from a battery.

  As shown in FIG. 3, the outlet 21 is connected to the indoor wiring 9 and is provided with an insertion hole 23 into which a plug of the load 22 is inserted. In the example of FIG. 1, a television receiver 41 serving as a load is connected to an outlet 21a via an adapter 31. As shown in FIG. 3, the adapter 31 connected to the outlet 21a has a plug 32 inserted into the insertion hole 23 of the outlet 21a and a load connected further ahead of the adapter 31, in this case, a plug 42 of the television receiver 41. Is inserted, and the plug 32 and the blade receptacle of the plug in the insertion hole 33 are electrically connected.

  The adapter 31 further receives a reception unit 34 that receives the power consumption data transmitted from the power consumption data generation unit 11, and video data for displaying the power consumption data and the like on the television receiver 41. A video generation unit 35 for generation and a video output terminal 36 connected to the video generation unit 35 are provided.

  The reception unit 34 includes an antenna, a demodulation unit, and the like. When receiving data transmitted by the short-range wireless communication from the transmission unit 14 of the power consumption data generation unit 11, the reception unit 34 performs a demodulation process or the like and performs a video generation unit 35. Output to. The video generation unit 35 generates video data to be displayed on the television receiver 41 based on the power consumption data, temperature data, current time data, and the like input from the reception unit 34. Specifically, the video generation unit 35 includes a character generator and the like, and includes alphanumeric characters, kana characters, symbols, and the like corresponding to power consumption data, temperature data, current time data, and the like input from the reception unit 34. Character data is generated and analog output is made from the video output terminal 36 by a system such as NTSC. Note that the video generation unit 35 may display these data in a table or graph in addition to characters. The video output terminal 36 is connected to the video input terminal 45 of the television receiver 41 by a wired AV cable 37. The television receiver 41 may be digitally output or connected wirelessly. The power of the adapter 31 may be supplied from between the plug 32 and the blade holder of the plug in the insertion hole 33, or may be supplied by a battery.

A television receiver 41 is connected to the adapter 31 configured as described above. Specifically, the plug 42 of the television receiver 41 is connected to the insertion hole 33 of the adapter 31 so that power is supplied to the power supply unit 43 of the television receiver 41. The adapter 31 is connected to the television receiver 41 through the video output terminal 36.

  As shown in FIG. 3, the television receiver 41 connected to the adapter 31 is supplied with a tuner 44 for receiving a television signal and video data in addition to a power supply unit 43 connected to a plug 42. A video input terminal 45, a switch 46 for selectively switching between the tuner 44 and the video input terminal 45, a cathode ray tube for displaying television images, video images, etc., a liquid crystal display device, a plasma display device, an organic EL display (ElectroLuminescent Display) ), A display unit 47 such as a display device, an operation unit 48 for switching channels and the like, and a control unit 49 for switching the entire operation in response to an input from the operation unit 48.

  The tuner 44 selects a channel according to a user operation in analog broadcasting and / or digital broadcasting, receives a television signal of the selected channel, and displays it on the display unit 47.

  The video input terminal 45 is usually an analog input terminal provided in a plurality in the television receiver 41. Here, one of the plurality of video input terminals 45 is connected to the video output terminal 36 of the adapter 31. When the video input terminal 45 is connected to the video input / output terminal 36 of the adapter 31 that supplies power to the power supply unit 43 by the AV cable 37, the length of the AV cable 37 can be shortened. The other video input terminal 45 is connected to a video reproduction device such as a VTR or a game machine.

  The switch 46 is provided between the tuner 44 and the display unit 47 and between the video input terminal 45 and the display unit 47 and selectively switches between the tuner 44 and the video input terminal 45.

  The operation unit 48 includes a part of the housing of the television receiver 41 and a remote operation device, and operates to turn on / off the power, select a channel of the tuner 44, and switch between the tuner 44 and the video input terminal 45. The control unit 49 switches the tuner 44 and the switch 46 based on the input from the operation unit 48. For example, when the user views the current power consumption, the video input terminal 45 connected to the adapter 31 is selected by the operation unit 48, whereby the video input terminal 45 and the display unit 47 are connected. The generated video data is displayed.

  That is, the television receiver 41 connects the video output terminal 36 of the adapter 31 to an empty video input terminal 45 to which no video playback device such as a VTR or a game machine is connected. Be able to see the amount of power.

  Next, the operation of the power consumption display system 1 to which the present invention is applied will be described with reference to FIG.

  First, in step S1, the power consumption data generation unit 11 constantly measures the current power consumption by the power amount measuring unit 12 provided in the distribution board 8. Then, the data generation unit 13 generates integrated power consumption data indicating the amount of electricity used from a predetermined time, and sequentially stores or updates the generated integrated power consumption data in the memory 13b. In step S2, the data generation unit 13 determines whether or not the predetermined time has passed in a short unit of 5 seconds, 10 seconds, or 1 minute by counting with the timer 13a, and when the predetermined time has passed, step S3 If it has not elapsed, step S2 is repeated.

  When the predetermined time has elapsed, in step S3, the data generation unit 13 includes the power consumption data measured by the power amount measurement unit 12 at the time when the predetermined time has elapsed, integrated power amount data per unit time stored in the memory 13b, Transmission processing such as modulation processing is performed on the current time data, temperature data detected by the temperature detection unit 16 and the like to generate transmission data, and in step S4, the transmission data is transmitted to the adapter 31 by short-range wireless communication. That is, the power consumption data generation unit 11 transmits these data from the transmission unit 14 to the adapter 31 at predetermined time intervals.

  In the adapter 31, when the transmission data from the power consumption data generation unit 11 is received by the reception unit 34 in step S <b> 11, the reception process is performed and the data subjected to the reception process is output to the video generation unit 35. In step S12, in the video generation unit 35, the power consumption amount data measured by the power amount measurement unit 12 transmitted from the power consumption amount data generation unit 11, the integrated power amount data per unit time stored in the memory 13b, the current Video data for displaying the time data, the temperature data detected by the temperature detection unit 16 and the like in characters and the like is generated.

  When the video input terminal 45 connected to the adapter 31 is selected by operating the operation unit 48 in the television receiver 41, the display unit 47 displays the power consumption data as shown in FIG. Electric power consumption data ("5121W" in FIG. 5) measured by the electric energy measuring unit 12 transmitted from the generation unit 11, integrated electric energy data ("596kW" in FIG. 5) stored in the memory 13b, and current time data (“DATE: 06/11/16 TIME: 13:03:55 in FIG. 5), temperature data detected by the temperature detector 16 (“ 20 ° C. ”in FIG. 5), etc. are displayed as characters. Thus, the user can check the current power consumption.

  In the power consumption display system 1 as described above, the total power consumption of the house 2 can be measured by attaching the power consumption data generation unit 11 to the watt hour meter 7 or the distribution board 8 of the house 2. In addition, installation work can be easily performed by using ZigBee (registered trademark) in conformity with the IEEE 802.15.4 standard. Further, since the adapter 31 is simply connected to the outlet 21, it is very easy to mount. Furthermore, the adapter 31 is already connected to the video input terminal 45 of the television receiver 41 because the video output terminal 36 of the adapter 31 may be connected to the empty video input terminal 45 of the television receiver 41. It is possible to connect to the video input terminal 45 of the television receiver 41 without removing the video reproduction device, and by simply selecting the video input terminal 45 connected to the adapter 31, the current power consumption is displayed on the display unit 47. Can be confirmed.

  As described above, the power consumption display system 1 can be easily added to an existing housing facility, and the current power consumption is displayed on the television receiver 41 so that the user can save energy. You can improve your awareness.

In the above example, the case where the adapter 31 is connected to the outlet 21a to which the television receiver 41 is connected has been described. In addition, the plug 42 of the television receiver 41 is directly connected to the outlet 21a. The adapter 31 may be connected to any one of the outlets 21b to 21d, and the video output terminal 36 of the adapter 31 and the video input terminal 45 of the television receiver 41 may be connected by wire or wirelessly. Further, the adapter 31 may not be externally attached to the outlet 21, but may be incorporated in the walled outlet 21. In addition to directly connecting the plug 32 to the outlet 21a, the adapter 31 is connected to the outlet 21a by a power cord. For example, the adapter 31 is separated from the outlet 21a, for example, closer to the television receiver 41. It may be possible to arrange them.

  In the above example, the power consumption data generated by the power consumption data generation unit 11, the accumulated power data per unit time, the current time data, and the temperature data are transferred from the power consumption data generation unit 11 to the adapter 31. Although the case where it transmits is demonstrated, the data transmitted to the adapter 31 are not specifically limited other than power consumption data. For example, detection signals from disaster prevention and security sensors such as earthquake detection sensors, smoke / fire sensors, door / window opening / closing sensors, water leakage sensors, electric leakage sensors, gas leakage sensors, etc. are transmitted from the detectors to the adapter 31, and this is transmitted to the television set. You may make it display on the display part 47 of John receiver 41 with power consumption. In this case, the various sensors communicate with the power consumption data generation unit 11 and the adapter 31 by short-range wireless communication such as ZigBee (registered trademark) as described above, and within the power consumption data generation unit 11 and the adapter 31. Communicate with the one with good communication state, that is, with higher electric field strength. Therefore, when various sensors communicate with the power consumption data generation unit 11, detection data generated by the various sensors is transmitted to the adapter 31 via the power consumption data generation unit 11. Since such data including power consumption is relatively simple information, it is not necessary to use an expensive dedicated display device, and it is displayed using the television receiver 41 already in the house 2. Thus, by displaying various data on the television receiver 41 in this way, it is easy to become familiar with residents (customers) and can be further spread.

  Further, in the above example, the power consumption data input to the video input terminal 45 of the television receiver 41 serving as a display device is superimposed on the program data of the channel selected by the tuner, and this is superposed. You may make it display on the display part 47. FIG. Thus, the user can check the current power consumption while watching the program currently being viewed without switching to video input. Furthermore, instead of the television receiver 41, a display device such as a personal computer that does not have a tuner may be used as the display device.

Further, in the above example, the case where the total power consumption of the house 2 is measured in the distribution board 8 has been described. Or, the power consumption is measured for each room, and the television receiver 41 in the house 2, for example, the television receiver 41 on the first floor or the second floor where the power consumption is measured, the power consumption is measured. You may make it display on the television receiver 41 grade | etc., In the room which is carrying out. In this case, for example, the adapter 31 is connected to the outlet 21 near the television receiver 41. And by measuring the electric current of the part of the distribution breaker corresponding to the floor or room to be measured in the distribution board 8, the power consumption measuring unit 12 measures the power consumption of the floor or room to be measured. Can do.

  Next, a modification of the present invention will be described with reference to FIG. In the modification described here, the adapter 31 is connected to the outlet 21a by a power cord, and is disposed, for example, near the television receiver 41. The television receiver 41 is also connected to an outlet 21 different from the power cord of the adapter 31. The adapter 31 and the television receiver 41 are connected by an AV cable 37.

  Further, in the modification described here, unlike the power consumption data generation unit 11 shown in FIG. 2, the power consumption data generation unit 11 does not include the memory 13b and does not store the accumulated power consumption data. Instead, in this modification, the integrated power consumption data is generated by the adapter 31 and stored in the memory.

  Here, the power consumption data generation unit 11 used in the modified example will be described with reference to FIG. 6. The power consumption data generation unit 11 measures the power input to the distribution board 8. The power amount measurement unit 12, the data generation unit 13 that generates power consumption amount data based on the power consumption amount measured by the power amount measurement unit 12, and the power consumption amount data generated by the data generation unit 13 are transmitted. And a transmission unit 14 that performs the above-described operation. The electric energy measuring unit 12 measures the current before or after the earth leakage breaker with a current sensor such as CT, and measures the voltage between the voltage line in the distribution board 8 and the neutral line or the voltage line. The overall power consumption of the house 2 is measured by multiplying these by measuring with a measuring instrument.

  The data generation unit 13 generates power consumption data to be transmitted from the transmission unit 14 to the adapter 31 based on the power consumption measured by the power amount measurement unit 12. The data generation unit 13 generates current value data based on the amount of current detected by the current sensor of the power amount measurement unit 12.

  The power consumption data generation unit 11 in this modification is timed by the timer 13a, and the transmission unit 14 converts the power consumption data generated by the data generation unit 13 and the current value data, for example, at intervals of 1 minute. Send to. At this time, the transmission unit 14 also transmits time data when measuring the power consumption data together with the power consumption data and the current value data, and associates the power consumption data and the current value data with the time data in the adapter 31. Allow saving. That is, it is possible to manage the current time value of the power consumption data and the current value data.

  In addition to the transmission processing at 1 minute intervals as described above, the transmission unit 14 monitors the current value data input from the data generation unit 13, and when the current value data fluctuates by a predetermined width (for example, ± 1A), The power consumption data and the current value data are transmitted to the adapter 31 together with the time data at that time.

  The power of the power consumption data generation unit 11 may be supplied from the wiring of the distribution board 8 or may be supplied from a battery.

  Further, as shown in FIG. 7, the adapter 31 in this modification includes a setting memory 51 for storing a peak current setting value for warning according to a target value of power consumption and a current usage amount, and past consumption A history memory 52 that stores electric energy data and current value data in association with time data, a charge system memory 53 that stores electric charge system data, and a temperature detector 54 that measures the temperature of the place where the adapter 31 is placed. And an operation unit 55 for inputting set values and the like, a speaker 56 for emitting a warning or the like with an audible sound, one or a plurality of LEDs (Light Emitting Diodes), and the like. A lighting unit 57 that lights in color and a control unit 58 that controls the overall operation are provided. Note that the operation unit 55 includes, for example, a cross direction key formed of a push button and an enter key, and inputs an operation signal corresponding to the pressed button to the control unit 58.

  In addition, the adapter 31 displays the power consumption data and the like on the receiver 34 that receives the power consumption data, current value data, time data, and the like transmitted from the power consumption data generation unit 11 and the television receiver 41. A video generation unit 35 for generating video data to be generated, and a video output terminal 36 connected to the video generation unit 35.

  The setting memory 51 stores a target value of power consumption. Specifically, the target value of monthly power consumption is stored. This power consumption target value is data that is input when the user operates the operation unit 55 and is displayed on the display unit 47 of the television receiver 41.

  The setting memory 51 stores a peak current set value. This peak current set value is data input when the user operates the operation unit 55. This peak current set value is data used for warning in accordance with the amount of current used. The control unit 58 monitors the current value data input from the receiving unit 34 and lights the lighting unit 57 according to the ratio of the current value data input from the receiving unit 34 to the peak current set value. For example, when the ratio of the current value data to the peak current setting value is 20% or less, the control unit 58 lights the lighting unit 57 in blue, and when the ratio is 40% or less, the lighting unit 57 is lit in green and is 80% or less. The lighting section 57 is lit in yellow, the lighting section 57 is lit in orange when 100% or less, and the lighting section 57 is lit in red when exceeding 100%. Further, the control unit 58 emits a warning message such as “Too much electricity is used” from the speaker 56 when 100% is exceeded. The warning may be a beep sound or the like. This warning may be given to the display unit 47 of the television receiver 41, or a warning sound may be emitted from the speaker of the television receiver 41.

  The history memory 52 stores the power consumption data and current value data transmitted from the power consumption data generation unit 11 and received by the receiving unit 34 in association with time data. The control unit 58 reads, for example, the power consumption data associated with the past time data from the history memory 52 serving as history data, thereby generating, for example, this month's integrated power consumption data, and the integrated power consumption of the same month of the previous year. Generate quantity data. Then, for example, the control unit 58 generates comparison data indicating the current month's integrated power consumption data and the previous month or the specified month's integrated power consumption data in a line graph or the like, and the video generation unit 35 based on the comparison data. Video data is generated and displayed on the display unit 47 of the television receiver 41. In addition, the control unit 58 generates comparison data indicating the current year's accumulated power consumption data and the previous year's accumulated power consumption data in a line graph or the like, and allows the display unit 47 of the television receiver 41 to display the comparison data. . In addition, the control unit 58 calculates the difference between the power consumption data of today and the date specified by the user so that it can be displayed on the display unit 47 of the television receiver 41.

In addition, the control unit 58 generates accumulated power consumption data for the current month, generates carbon dioxide emission data by multiplying a coefficient used when calculating the carbon dioxide emission, and the video generation unit 35 generates the carbon dioxide emission data. Video data based on the discharge amount data is generated and displayed on the display unit 47 of the television receiver 41. In addition, the control unit 58 calculates an energy saving level indicating the degree of energy saving based on the current power consumption target value for this month set in the setting memory 51 and the accumulated power consumption data for this month. This energy saving degree is calculated by the following calculation formula, for example.
Energy conservation level = (Current power consumption target value of this month / Integrated power consumption of this month) x 100
The charge system memory 53 stores data related to the electricity charge system. For example, the control unit 58 calculates the electricity bill data for this month using, for example, the accumulated power consumption data for one month, and the video generation unit 35 generates video data based on the electricity bill data. It can be displayed on the display unit 47 of the machine 41.

  The temperature detector 54 is formed of a thermocouple or the like and measures the temperature around the adapter 31. The temperature data generated by the temperature detection unit 54 is displayed on the display unit 47 of the television receiver 41 via the video generation unit 35.

  The control unit 58 includes a timer 58a so that the current time can be displayed on the display unit 47 of the television receiver 41.

  The adapter 31 configured as described above has, for example, a shape as shown in FIG. That is, the adapter 31 has, for example, a molded housing, and the operation unit 55 and the speaker 56 are provided in the housing. Further, the housing has light transparency, and the lighting portion 57 on the upper surface shines according to the emission color of the LED. The adapter 31 is provided with a power cord 59 so as to be connected to the outlet 21.

  In the power consumption display system described as a modification as described above, in the power consumption data generation unit 11, the power consumption data measured by the power measurement unit 12 is transmitted from the transmission unit 14 at predetermined intervals (every minute). ), The power consumption amount data and the current value data are transmitted to the adapter 31 in association with the time data at the time of power consumption measurement. When the current value data fluctuates by a predetermined width (for example, ± 1 A) or more, the power consumption data generation unit 11 transmits the power consumption data and the current value data to the adapter 31 in association with the time data at that time.

  In the adapter 31, when the receiving unit 34 receives the power consumption data and the current value data associated with the time data, the control unit 58 stores the received data in the history memory 52.

  Further, the adapter 31 generates video data by the video generation unit 35 based on the received various data so that various data such as the power consumption data received by the receiving unit 34 can be displayed in substantially real time. Is displayed on the television receiver 41 connected to the video input terminal 45. Here, FIG. 9 is a diagram showing a display screen displayed on the display unit 47 when the video input terminal 45 is selected in the television receiver 41. FIG. 9 shows the current electricity usage. In the upper part of the screen, the current date and time measured by the timer 58a and the current temperature measured by the temperature detection unit 54 are displayed. In the upper part of the screen, the current power consumption is displayed as an instantaneous value, and the energy saving degree calculated by the control unit 58 is displayed.

  In the middle part of the screen, for each of the integrated power amount, carbon dioxide emission amount, and electricity bill generated by the control unit 58, the current power consumption amount calculated by the control unit 58 and the current month's integrated power consumption The amount of power and the target value for this month are displayed. Note that the carbon dioxide emission amount and the electricity bill at the target value are calculated by the control unit 58 based on the target value of the power consumption set in the setting memory 51.

  Further, in the lower part of the screen, the control unit 58 displays the comparison data generated by accessing the history memory 52. Here, specifically, a comparison graph between this month and the same month of the previous year is displayed.

  Note that the information to be displayed is not limited to this. In addition, the difference between the power consumption data generated today by the control unit 58 accessing the history memory 52 and the date specified by the user is displayed. You may make it do. The screen to be displayed may be displayed by comparing the accumulated power consumption, carbon dioxide emission amount, and electricity bill between this month and the same month in the previous year. Further, the value of the watt hour meter 7 shown in FIG. 1 may be input through the operation unit 55 of the adapter 31 and displayed on the screen.

  As described above, in the power consumption display system 1 described as a modification of the present invention, the power consumption data generation unit 11 only performs voltage and current measurement and power consumption calculation, compared to the example described above. Therefore, the configuration can be simplified. In the power consumption display system 1, more information (electricity cost, carbon dioxide emission, etc.) that can be referred to when reducing the amount of power used can be displayed on the television receiver 41. In addition, the adapter 31 transmits the current used from the power consumption data generation unit 11 to the adapter 31 at every predetermined interval, and also when the fluctuation occurs by a predetermined width or more, the adapter 31 transmits this current. Based on the current value data, the lighting unit 57 is turned on in accordance with the ratio to the peak current set value to give a warning to the user, so that awareness of energy saving can be further increased.

It is a figure which shows the wiring of the house where the power consumption display system to which this invention was applied is used. It is a block diagram of the power consumption data generation unit used for the said power consumption display system. It is a block diagram of the adapter and television receiver which are used for the said power consumption display system. It is a flowchart which shows operation | movement of the power consumption display system to which this invention was applied. It is a figure which shows the example of a display with a television receiver. It is a block diagram which shows the modification of a power consumption data generation unit. It is a block diagram which shows the modification of an adapter. It is a perspective view which shows the external appearance of an adapter. It is a figure which shows the display screen of the video data produced | generated by the adapter.

Explanation of symbols

1 Power consumption display system, 2 houses, 3 utility poles, 4 service lines, 5 service lines attachment points, 6 service entrance wiring, 7 electricity meter, 8 distribution board, 9 indoor wiring, 11 power consumption data generation unit, 12 power Quantity measurement unit, 13 data generation unit, 13a timer, 13b memory, 14 transmission unit, 15 operation unit, 16 temperature detection unit, 21 (21a to 21d) outlet, 22 load, 23 insertion hole, 31 adapter, 32 plug, 33 Insertion hole, 34 receiver, 35 video generator, 36 video output terminal, 37 AV cable, 41 television receiver, 42 plug, 43 power supply, 44 tuner, 45 video input terminal, 46 switch, 47 display, 48 Operation unit, 49 Control unit, 51 Setting memory, 52 History memory, 53 Fee system memory, 54 Temperature detection unit, 55 Operation unit, 56 speed , 57 lighting section, 58 control unit, 58a a timer, 59 power cord

Claims (25)

A power consumption data generation unit connected to the power supply unit, generating power consumption data indicating the current power consumption by the data generation unit, and transmitting the generated power consumption data from the transmission unit;
An adapter connected to the power supply unit and an outlet connected via an indoor wiring, and receiving power consumption data transmitted from the power consumption data generation unit;
The adapter includes a reception unit that receives power consumption data transmitted from the power consumption data generation unit, a video generation unit that generates video data based on the power consumption data received by the reception unit, A power consumption display system comprising: a video output unit that outputs video data generated by the video generation unit to a video input unit of a display device, and the power consumption amount can be displayed on the display device. The power consumption data generation unit is provided in a watt-hour meter connected to an entrance wiring to each house serving as the power supply unit or a distribution board of the house,
The adapter is detachable from the outlet, and has a plug inserted into the insertion hole of the outlet and an insertion hole connected to the plug and into which the plug of the display device is inserted, and connected to the insertion hole. The power consumption display system according to claim 1, wherein power can be supplied to the display device. The power consumption data generation unit further integrates the power consumption data, and transmits the accumulated power consumption data from the transmission unit to the adapter.
2. The adapter according to claim 1, wherein the video generation unit generates video data based on the integrated power consumption data and displays the video data together with the power consumption data on the display device. The power consumption display system according to claim 2. The power consumption data generation unit further includes a temperature detection unit, and the temperature data detected by the temperature detection unit is transmitted from the transmission unit to the adapter.
4. The adapter according to claim 1, wherein the video generation unit generates video data based on the temperature data and displays the video data together with the power consumption data on the display device. The power consumption display system according to any one of the above.   The power consumption display system according to any one of claims 1 to 4, wherein the video generation unit generates analog video data.   6. The power consumption according to claim 1, wherein data communication between the power consumption data generation unit and the adapter is performed by power-saving short-range wireless communication. Display system.   The power consumption display system according to claim 1, wherein the power consumption data generation unit transmits current value data to the adapter device in addition to the power consumption data from the transmission unit. The adapter further includes a setting memory for storing a power consumption target value of the set power consumption amount,
8. The power consumption display system according to claim 7, wherein the video generation unit generates video data based on the power consumption target value and displays the video data together with the power consumption amount data on the display device. . The setting memory further stores a peak current set value,
9. The power consumption display according to claim 8, wherein the adapter further includes a warning unit that issues a warning according to a ratio of the current value data transmitted from the power consumption data generation unit to the peak current set value. system. The adapter further includes a history memory that stores past current value data and power consumption data in association with time data;
A comparison unit that generates comparison data for comparing power consumption data with past power consumption data;
10. The video generator according to claim 7, wherein the video generator generates video data based on the comparison data and displays the video data together with the power consumption data on the display device. The power consumption display system according to item 1. The adapter includes a charge system memory for storing electricity charge data,
Charge calculation means for calculating electricity charge data according to the electricity charge structure data and power consumption data of the charge structure memory,
11. The video generator according to claim 7, wherein the video generator generates video data based on the electricity bill data and displays the video data together with the power consumption data on the display device. The power consumption display system according to claim 1. The adapter further includes a temperature detection unit,
The video generation unit generates video data based on the temperature data detected by the temperature detection unit, and displays the video data together with the power consumption data on the display device. The power consumption display system according to any one of claims 7 to 11. The adapter further includes a calculation unit that calculates carbon dioxide emission data based on the power consumption data.
The video generation unit generates video data based on the carbon dioxide emission data calculated by the calculation unit, and displays the video data together with the power consumption data on the display device. The power consumption display system according to any one of claims 1 and 7 to 12. Generating power consumption data indicating current power consumption in a power consumption data generation unit connected to the power supply unit; and
Transmitting the generated power consumption data to an adapter connected to an outlet;
Receiving power consumption data transmitted from the power consumption data generation unit at the adapter;
Generating video data based on the power consumption data received by the adapter;
Outputting the video data generated by the adapter to a display device, and displaying the power consumption amount on the display device. A step of integrating the power consumption data to generate integrated power consumption data;
Transmitting the integrated power consumption data to the adapter;
Generating video data based on the accumulated power consumption data received by the adapter;
The power consumption display method according to claim 14, further comprising: outputting video data generated by the adapter to the display device so that the display device can display the integrated power consumption data together with the power consumption data. . Furthermore, detecting the temperature of the mounting location of the temperature detector and transmitting temperature data to the adapter;
Generating video data based on the temperature data received by the adapter;
The power consumption display method according to claim 13 or 15, further comprising: outputting video data generated by the adapter to the display device, and allowing the display device to display temperature data together with the power consumption amount. .   The power consumption display method according to any one of claims 14 to 16, wherein the video data is analog video data.   The power consumption according to any one of claims 14 to 17, wherein data communication between the power consumption data generation unit and the adapter is performed by power-saving short-range wireless communication. Display method.   15. The power consumption display method according to claim 14, wherein the power consumption data generation unit transmits current value data to the adapter device in addition to the power consumption data. Generating video data based on a power consumption target value of the power consumption set in the setting memory of the adapter;
20. The power consumption display method according to claim 19, further comprising a step of outputting to the display device together with the power consumption amount data so as to be displayed on the display device.   21. The adapter according to claim 20, further comprising a step of issuing a warning according to a ratio of the current value data transmitted from the power consumption data generation unit to the peak current set value set in the setting memory. Power consumption display method. In the adapter, in the history memory, past current value data and power consumption data are stored in association with time data;
Generating comparison data for comparing power consumption data with past power consumption data;
Generating video data based on the comparison data;
The power consumption display method according to any one of claims 19 to 21, further comprising a step of outputting to the display device together with the power consumption amount data so as to be displayed on the display device. . Calculating electricity bill data in accordance with the electricity bill system data and power consumption data stored in the adapter billing system memory;
Generating video data based on the electricity rate data;
23. The method of displaying power consumption according to claim 19, further comprising a step of outputting to the display device together with the power consumption data and displaying the data on the display device. . Detecting temperature data with the adapter and generating video data based on the temperature data;
20. The video data generated by the adapter is output to the display device, and the display device can display temperature data together with the power consumption amount. The power consumption display method according to any one of claims 23. Calculating carbon dioxide emission data based on the power consumption data with the adapter;
Generating video data based on the calculated carbon dioxide emission data;
25. A step of outputting to the display device together with the power consumption amount data so as to be displayed on the display device. Power consumption display method.

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