JP2006115622A - Working power monitoring method and working power monitoring system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To specify an occurrence cause of an abnormality by monitoring a generated output at a power supply side by using a reservoir-type hot-water supply device or the like having a system that contains a clock and is constantly operated, and by monitoring each power by arranging a power measuring instrument that measures power at an electronic apparatus or the like in each place in home. <P>SOLUTION: A photovoltaic power generation system, a commercial power supply, each electronic apparatus and an electronic apparatus at a unit of a room are measured with time in power flowing in them. Among the electronic apparatuses, one electronic apparatus equipped with a clock function stores the power flowing in each power supply, each electronic apparatus, and each room and the time of the flow into a power information storing means. By seeing information on the power stored in the power information storing means and flowing in the electronic apparatus or the like as needed, it can be specified how power is varied in which year, in which month and in which day, whether a fault occurs at the power supply side or at the electronic apparatus side, and the cause of the fault. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a power consumption monitoring method and a power consumption monitoring system for monitoring power consumption of an electronic device or the like that is operated by power supplied from a household power supply having a system that can be operated by using both a commercial power supply and a photovoltaic power generation system. It is about. The present invention monitors the power consumption over time and stores the power consumption over time for each electronic device, etc., and grasps the state of the power consumption, thereby quickly solving the cause when an abnormality occurs. The present invention relates to a power consumption monitoring method and a power consumption monitoring system that can be used.

  Generally, a power supply system that uses both a commercial power supply and a photovoltaic power generation system buys commercial power from an electric power company when the generated electric power is insufficient, and conversely, if there is surplus in the generated electric power, Selling power. In recent years, a power supply system using both the commercial power supply and the solar power generation system has been widely used for home use because the solar power generation apparatus has become inexpensive.

  For example, an energy system described in Japanese Patent Application Laid-Open No. 2004-194485 includes a power generation device connected so as to be connected to a commercial power supply so as to be output, a heat pump hot water storage type hot water supply device connected to the commercial power supply, and An energy system provided with an electric power load, provided with an output electric power monitoring means for monitoring an output electric power of the electric power generating device provided between the electric power generating device and a commercial power source, the heat pump hot water storage type hot water supply device and the electric power load System power monitoring means for monitoring the power of the system provided between the connected system and the commercial power supply is provided, the output power monitor value and the system power monitor value are compared, and the output power monitor value and system power are compared. When the difference power of the monitor value reaches a preset value, the heat pump hot water storage type hot water supply device is input corresponding to the difference power. It is made to operation by force.

In addition, a communication control device for a hot water storage hot water supply apparatus described in Japanese Patent Application Laid-Open No. 2003-56906 includes a communication circuit for a hot water storage tank that performs data communication with a bathroom remote controller or a kitchen remote controller in a heat pump hot water supply system, and a heat pump. The communication circuit of the heat pump that performs data communication with the hot water storage tank has a simple configuration by separating the communication circuit of the hot water tank that performs data communication with the hot water storage tank.
JP 2004-194485 A JP 2003-56906 A

  However, the conventional power supply system that uses both the commercial power supply and the photovoltaic power generation system does not grasp the power consumption of each electronic device over time and solve the cause investigation when an abnormality occurs at an early stage. In addition, the conventional power supply system that uses both the commercial power supply and the photovoltaic power generation system is common in that it relates to the hot water storage type hot water supply device and performs data communication by the hot water storage type hot water supply device. It is not intended to identify the cause of the abnormalities on the side.

  In order to solve the problems as described above, the present invention uses a hot water storage type hot water supply device having a system with a built-in clock and always operating, thereby generating power on the power source side and various places in the home. By providing a power measuring device that measures the power in electronic devices, etc., each power is monitored, and when an extreme power change is measured in each place, the power value and the generation time are stored in the storage means, It is an object of the present invention to provide a power consumption monitoring method and a power consumption monitoring system that make it possible to specify whether the abnormality is caused by the power generation side or the electronic equipment side, and the cause of occurrence.

(First invention)
The power consumption monitoring method according to the first aspect of the invention is a room unit in which at least one electronic device to which power is supplied using a solar power generation system and a commercial power supply is installed and / or a power consumption amount in each electronic device unit. A single electronic device having a clock function measures the power flowing through the solar power generation system, the commercial power supply, each electronic device, and the electronic device in each room over time by a clock means, Each power supply, each electronic device, and the power and time that passed through each room are stored in the respective storage means, and the abnormality stored in each place can be monitored by outputting the information stored in the storage means. To do.

(Second invention)
The power usage monitoring method of the second invention detects whether the information stored in the storage means of the first invention is a positive direction or a negative direction, and the solar power generation system, commercial power source, electronic device, or It is characterized by detecting an abnormality in an electronic device in room units.

(Third invention)
The power usage monitoring system according to the third aspect of the present invention is a room power unit in which at least one electronic device to which power is supplied using a photovoltaic power generation system and a commercial power supply is installed and / or a power consumption amount in each electronic device unit. A power source configured from a photovoltaic power generation system, a commercial power source, a plurality of electronic devices respectively connected to the power source, and a power measuring means capable of measuring the power in each power source and each electronic device Power storage means for conveying the amount of power measured by the power measurement means as information, and each power source and electronic equipment provided in one electronic device having clock means in the plurality of electronic devices It has at least power information storage means and output means for outputting information stored in the power information storage means.

(Fourth invention)
The power usage monitoring system of the fourth invention is characterized in that, when the power measuring means of the third invention detects power exceeding a certain value in the positive direction, the date and time of occurrence is stored in the power information storage means.

(Fifth invention)
The power usage monitoring system according to a fifth aspect is characterized in that, when the power measuring means according to the third aspect detects a power exceeding a certain value in the minus direction, the generation date and time is stored in the power information storage means.

(Sixth invention)
The power consumption monitoring system according to a sixth aspect of the present invention is the teaching means for teaching that in the fourth aspect or the fifth aspect, when the abnormal power in the positive direction or the abnormal power in the negative direction occurs, it is a lightning strike or an instantaneous power failure. It is characterized by having.

(Seventh invention)
The power usage monitoring system of the seventh invention is characterized in that the timepiece means and the power information storage means of the third to sixth inventions are hot water storage type hot water supply devices.

(Eighth invention)
The power usage monitoring system of the eighth invention is characterized in that the photovoltaic power generation system of the third to seventh inventions is a reverse power flow type.

  According to the present invention, by looking at the measured value of power measured by the power measuring device installed in each power source, each electronic device, each room, etc. stored in the power information storage means, how many years, what month, It is possible to identify the cause of what kind of change in power at what time of day, whether there is a failure on the power supply side, or a failure on the electronic device side.

  According to the present invention, when the power stored in the power information storage means exceeds a certain value on the plus side or minus side, it can be seen that there has been a lightning strike or instantaneous power failure in the commercial power source or the photovoltaic power generation system, If no abnormality is measured, it can be seen that there is a suspicion of failure on the electronic device side in the home.

  According to the present invention, not only the maintenance of the solar power generation system can be easily performed, but also the deterioration of the solar power generation system can be estimated by the information stored in the power information storage unit.

  According to the present invention, it is possible to grasp the power usage status of each electronic device and each room based on the daily information stored in the power information storage means, so that wasteful power consumption can be suppressed, so that power can be saved. It becomes easy.

(First invention)
The power consumption monitoring method according to the first aspect of the invention is a room unit in which at least one electronic device to which power is supplied using a solar power generation system and a commercial power supply is installed and / or a power consumption amount in each electronic device unit. By monitoring the above, it is possible to quickly find out the cause when an abnormality occurs. The power consumption monitoring method monitors a room in which at least one electronic device is installed, for example, a unit such as a living room or a kitchen and / or each electronic device, for example, an air conditioner or a hot water storage hot water supply unit. In the living room or kitchen, various electronic devices are installed in addition to the lighting device.

  The photovoltaic power generation system, the commercial power source, each electronic device, and each room-unit electronic device measure the power flowing through each of them with a clock means over time. Among the electronic devices, one electronic device having a clock function stores the power and time flowing through each power source, each electronic device, and each room in each power information storage unit. 1st invention measures the electric power which flows through each power supply memorize | stored in the said power information storage means, each electronic device, the at least 1 electronic device installed in each room with a power measuring device, and sees the measured value Thus, it is possible to identify the cause of what kind of change of power in what year, what month and what day, whether there is a failure on the power supply side or on the electronic device side.

(Second invention)
The power usage monitoring method according to a second aspect of the present invention is the solar power generation method according to the first aspect, wherein it detects whether or not the value of the power stored in the power information storage means has changed significantly in the positive or negative direction. Detects abnormalities such as lightning strikes and momentary power outages in systems, commercial power supplies, electronic devices, or electronic devices in room units. In the power consumption monitoring method, when the photovoltaic power generation system is a reverse power flow type, commercial power can be purchased from a power company, or surplus power can be sold to the power company.

(Third invention)
The power usage monitoring system of the third invention is such that power is supplied from a solar power generation system or a commercial power source to a room unit and / or each electronic device unit in which at least one electronic device is installed, and each power usage amount Is monitoring. The power usage monitoring system includes a power source configured from a solar power generation system, a commercial power source, a plurality of electronic devices connected to the power source, and a power measuring unit capable of measuring power in each of the power sources and each electronic device. Power storage means for conveying the amount of power measured by the power measurement means as information, and each power source and electronic equipment provided in one electronic device having clock means in the plurality of electronic devices The power information storage means and at least output means for outputting information stored in the power information storage means.

  Each electronic device or each room is provided with power measuring means for measuring power, and further includes power transmitting means for conveying information measured by the power measuring means through a power line. One electronic device, for example, a hot water storage type hot water supply apparatus having a clock means, includes power information storage means capable of storing information sent from the power transmission means for each electronic device and / or each room.

  The information stored in the power information storage means is output from the output means as necessary, and provides a clue to quickly solve the cause of whether the abnormality is on the power side or on the electronic device side. . In addition, the information stored in the power information storage means not only facilitates maintenance of the solar power generation system, but also can be estimated for deterioration and the like. Furthermore, since the information stored in the power information storage means can grasp the power usage status of each electronic device and each room, it is easy to save power.

(Fourth invention)
The power usage monitoring system of the fourth invention, when the power measuring means in the third invention detects power exceeding a certain value in the positive direction, from the information stored in the power information storage means, You can see the size. Therefore, in the fourth aspect of the invention, it can be seen that the cause of the abnormality is lightning, so that it is possible to quickly repair the electronic device and the like.

(Fifth invention)
In the power usage monitoring system of the fifth invention, when the power measuring means in the third invention detects power exceeding a certain value in the negative direction, the occurrence date and time of an instantaneous power failure or the like is determined from the information stored in the power information storage means. I understand. Therefore, the fifth aspect of the present invention can quickly repair the electronic device or the like because the cause of the abnormality is an instantaneous power failure.

(Sixth invention)
When the information stored in the power information storage means of the fourth or fifth aspect of the invention is positive abnormal power or negative abnormal power, for example, a display The teaching means can be instructed by characters and / or sound that it is a lightning strike or an instantaneous power failure.

(Seventh invention)
According to a seventh aspect of the present invention, there is provided a power consumption monitoring system comprising a clock means and a power information storage means in a hot water storage type hot water supply apparatus. Since the hot water storage type hot water supply apparatus is provided with teaching means such as a display in addition to the clock means and the power information storage means, it is suitable for storing the power supply state of each electronic device.

(Eighth invention)
The power usage monitoring system according to the eighth aspect of the present invention is configured such that the photovoltaic power generation system is of a reverse power flow type so that power can be purchased when the amount of power generation is small and sold when the amount of power generation is large. The present invention can solve the abnormality on the photovoltaic power generation system side early by looking at the information in the power information storage means.

  FIG. 1 is an embodiment of the present invention, and is a schematic configuration diagram for explaining the use state of electric power in various places in the home using a commercial power source and a solar power generation system. In FIG. 1, in the power supply system, power is supplied from a solar power generation system 111 and a commercial power supply 114 to each electronic device and the like. The solar power generation system 111 is converted from DC power into AC power same as that of the commercial power supply 114 by the power conditioner 112. In addition, the power conditioner 112 is not shown, but when the power is insufficient, the power conditioner 112 can be connected to the commercial power supply 114 and purchased from the power company. If the power is excessive, the power conditioner 112 can be supplied to the power company and sold. Equipment.

  A power measurement unit A to a power measurement unit F are connected between each power source and the distribution board 116 and between the distribution board 116 and each electronic device or room, and consumed in each electronic device or room. The measured power is measured over time. That is, the power measurement unit C117 includes a hot water storage hot water supply device 118, the power measurement unit D includes an electronic device (not shown) in the living room 119, and the power measurement unit E includes an electronic device (not illustrated) in the kitchen 120. However, an air conditioner 121 is connected to each power unit F.

  FIG. 2 is a schematic configuration diagram for explaining the power measurement unit in FIG. 1 according to an embodiment of the present invention. In FIG. 2, the power measurement unit A to the power measurement unit F are provided with power measurement means 21 for measuring the power consumed in each power source, each electronic device, or each room. The power measuring means 21 is provided with a power transmitting means 22 for sending each measured power as information. The power transmission means 22 is connected to, for example, a hot water storage type hot water supply device 118 by a power line.

  FIG. 3 is a schematic configuration diagram for explaining the hot water storage type hot water supply apparatus in FIG. 1 according to an embodiment of the present invention. In FIG. 3, the hot water storage hot water supply device 118 measures the power of the power reception means 211, the information distribution means 212, the clock means 213, the power information storage means A through the power information storage means F, and the hot water storage hot water supply apparatus 118. Power measurement unit C117, and output means 214 for outputting information of power information storage means F from each power information storage means A.

  The hot water storage type hot water supply device 118 operates day and night, and usually includes a clock and a display (not shown). The present applicant pays attention to the fact that the hot water storage hot water supply device 118 includes a clock and a display, and operates continuously day and night, and the hot water storage hot water supply device 118 has information corresponding to each electronic device. Power information storage means A to power information storage means F are provided.

  The value of the power measured by each electronic device or each room is transmitted by the power transmitting means 22, for example, with an address, and then received by the power receiving means 211 of the hot water storage hot water supply device 118. The power information received by the power receiving unit 211 is stored in the predetermined power information storage unit by the clock unit 213 and the information distribution unit 212 according to the received time and the address. The output unit 214 can output the information stored in each power information storage unit as necessary.

  The power information stored in each of the power information storage means A to F can be compressed and stored as necessary. In addition, the power information storage means A to F can overflow the information after a predetermined time if necessary. In the above embodiment, the living room 119 and the kitchen 120 are formed as one unit. However, it is also possible to provide a power information storage unit with all the electronic devices as one unit. Further, the power information storage means may store only information exceeding a certain threshold together with the date and time, instead of storing all the information measured by the power measurement means.

  The embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the matters described in the claims. Is possible. The inside of the block configuration diagram described in the present embodiment is achieved by a known or well-known technique. The solar power generation system, power conditioner, power distribution board, power measuring means, hot water storage type hot water supply device, power transmission or reception means, clock means, power information storage means, etc. in this embodiment may be known or known. it can.

In the Example of this invention, it is a schematic block diagram for demonstrating the usage condition of the electric power in each place in the home using a commercial power source and a solar power generation system. (Example 1) FIG. 2 is a schematic configuration diagram for explaining a power measurement unit in FIG. 1 in the embodiment of the present invention. 1 is a schematic configuration diagram for explaining a hot water storage type hot water supply apparatus in FIG. 1 according to an embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 111 ... Solar power generation system 112 ... Power conditioner 113 ... Electric power measurement unit 114 ... Commercial power supply 115 ... Electric power measurement unit 116 ... Power distribution board 117 ... Electric power measurement unit 118 ... -Hot water storage type hot water supply device 119 ... Living 120 ... Kitchen 121 ... Air conditioner 21 ... Electric power measuring means 22 ... Electric power transmission means 211 ... Electric power reception means 212 ... Information distribution means 213 ..Clock means 214 ... Output means

Claims (8)

In the power consumption monitoring method for monitoring the amount of power used in a room unit and / or each electronic device unit in which at least one electronic device to which power is supplied using a solar power generation system and a commercial power supply is installed,
One electronic device provided with a clock function measures the power flowing through the solar power generation system, the commercial power supply, each electronic device, and the electronic device of each room over time by a clock means, and each power source and each electronic device A method of monitoring power usage, characterized in that the power and time flowing through each room are stored in the respective storage means, and the abnormality in each place can be monitored by outputting the information stored in the storage means.   Detecting whether the information stored in the storage means is a positive direction or a negative direction, and detecting an abnormality in the solar power generation system, a commercial power source, an electronic device, or a room-unit electronic device. The power usage monitoring method according to claim 1. In a power usage monitoring system that monitors the amount of power used in a room unit and / or each electronic device unit in which at least one electronic device to which power is supplied using a solar power generation system and a commercial power supply is installed,
A power source composed of a solar power generation system;
With commercial power,
A plurality of electronic devices each connected to the power source;
A power measuring means capable of measuring power in each power source and each electronic device;
Power transmitting means for conveying the amount of power measured by the power measuring means as information;
Each power source provided in one electronic device having a clock means in the plurality of electronic devices and power information storage means capable of storing for each electronic device;
Output means for outputting information stored in the power information storage means;
A power usage monitoring system characterized by comprising:   4. The power usage monitoring system according to claim 3, wherein, when the power measuring unit detects a power exceeding a certain value in the plus direction, the date and time of occurrence thereof is stored in the power information storage unit.   4. The power usage monitoring system according to claim 3, wherein, when the power measuring unit detects power exceeding a certain value in the minus direction, the generation date and time is stored in the power information storage unit. 5.   6. The teaching device according to claim 4, further comprising teaching means for teaching lightning strike or instantaneous power failure when the abnormal power in the positive direction or the abnormal power in the negative direction occurs. Used power monitoring system.   The power consumption monitoring system according to any one of claims 3 to 6, wherein the clock means and the power information storage means are hot water storage type hot water supply devices.   The power usage monitoring system according to any one of claims 3 to 7, wherein the photovoltaic power generation system is a reverse power flow type.

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