JP5439839B2 - Power management system - Google Patents

Description

  The present invention relates to a power management system.

  Conventionally, as shown in Japanese Patent Application Laid-Open No. 2007-228734 (Patent Document 1), the amount of power used is measured for each branch circuit of the home electrical wiring, and energy saving is performed according to the measurement result of the power usage for each branch circuit Residential power management systems that support countermeasures are known. There are also power management systems that analyze power consumption and present specific energy saving measures to residents.

JP 2007-228734 A

  However, in the power management system which is the above-mentioned conventional example, the power consumption value itself is often displayed for each branch circuit, and the value of the power consumption is not familiar to the resident. Even when looking at the power consumption figures, it was not possible to determine what kind of energy saving measures should be taken, and there was a problem that it was difficult to lead to the energy saving behavior of residents. In addition, power monitoring systems that analyze power usage and present energy conservation measures to residents often have a burden on the residents due to the measures and methods presented, and are difficult to lead to the energy conservation behavior of residents.

  This invention is invented in view of the said background art, The subject is providing the electric power management system which can reduce useless energy consumption in a residence, without forcing a resident to burden. It is.

In order to solve the above-mentioned problem, in the invention described in claim 1, a device operation detecting means for detecting whether or not an electric device installed in the house is in operation, and a power consumption amount of the electric device in the house. By using the power measuring means, the power measuring means, the load state determining means for determining the load state of the electric device by the threshold value determination with respect to the reference electric energy set in a plurality of stages for each electric device, and the user Using the continuous operation possible time storage means for storing the continuous operation possible time that is the longest time that the electrical equipment can be continuously operated and the equipment operation detection means, the continuous operation time of the electrical equipment is confirmed, and the continuous operation time Comparing and judging means for comparing the continuous operation available time stored in the continuous operation available time storage means, and a notification means for notifying the user if the continuous operation time exceeds the continuous operation available time. , Continuous Continuous workable time continuous operation can time stored in the storage means is stored in accordance with the load state of the electrical equipment, comparing and determining means corresponding to the load condition for each electric device, a continuous operation available time Compare operating time, continuous operation time continuous operation
The notification means notifies the user if the possible time is exceeded .

In the power management system according to the first aspect of the present invention, the device operation detecting means for detecting whether or not the electric device installed in the residence is in operation, and the power usage of the electric device in the residence are measured. By using the power measuring means and the power measuring means, a load state judging means for judging a load state of the electric equipment by a threshold judgment with respect to a reference power amount set in a plurality of stages for each electric equipment, and a user selects the electric equipment Using the continuous operation time storage unit that stores the maximum continuous operation time that can be continuously operated and the device operation detection unit, the continuous operation time of the electrical device is confirmed, and the continuous operation time and the continuous operation can be performed. Comparing and determining means for comparing the continuous operation time stored in the time storage means, and a notification means for notifying the user if the continuous operation time exceeds the continuous operation time. , Continuous Continuous workable time continuous operation can time stored in the storage means is stored in accordance with the load state of the electrical equipment, comparing and determining means corresponding to the load condition for each electric device, a continuous operation available time If the operation time is compared and the continuous operation time exceeds the continuous operation time, the notification means notifies the user, so it can be notified according to the load state of the electric equipment, and the user frequently There is no need to confirm that you have forgotten to turn off the device, so there will be no annoyance, and even if you forget to turn off the electrical device, the notification means will notify the user so that you can notice the presence of the electrical device that you forgot to turn off. it can.

The system block diagram which shows the power management system of embodiment of this invention. 1 is a schematic block diagram of a power management system according to an embodiment of the present invention. The flowchart explaining operation | movement of the power management system of embodiment of this invention.

  FIG. 1 is a system configuration diagram showing the overall configuration of a power management system according to an embodiment of the present invention. The integrated management panel 1 houses a main breaker (not shown) and a plurality of branch breakers (not shown) installed on the secondary side of the main breaker to turn on / off power supply to the branch circuit. Each branch circuit is connected with one or more electric devices. The integrated management panel 1 is connected with a control panel 2 for presenting information to residents and performing various settings and operations.

  As for the electrical equipment used in each residence, an air conditioner 3 and a floor heating facility 5 are installed in each room, as in the construction example of FIG. Since such air conditioning equipment and heating equipment have high power consumption, they are usually connected to branch breakers. Further, an outlet 4 is provided in each room, and an electrical device such as a television 6 can be appropriately connected to the outlet 4 for use.

  Next, the configuration of the integrated management panel 1 and the control panel 2 will be described with reference to the block diagram of FIG.

  The control panel 2 is a terminal device for presenting information to the resident and for the resident to perform various settings and operations. Between the control means 21 that performs overall control and the integrated management panel 1. A communication unit 22 for performing data communication, a notification unit 23 including a monitor such as a liquid crystal display, and an input unit 24 including a touch switch provided on the monitor and an operation button provided on the front surface of the notification unit 23 are provided.

  The integrated management panel 1 includes a breaker 11 (consisting of a main breaker and a plurality of branch breakers), a power measurement means 12, an equipment operation detection means 13, a load state determination means 14, a continuous operation possible time storage means 15, A comparison determination unit 16, an actual continuous operation time storage unit 17, and a setting unit 18 are provided.

  The power measuring means 12 measures the amount of power used in the electrical equipment in the residence for each individual branch circuit, and includes a plurality of current sensors provided for each individual branch breaker. The measured values of the current flowing through the branch circuits are sequentially collected in a predetermined measurement period, and the power usage amount of each branch circuit in each measurement period is obtained by calculation based on the collection result. Here, since each branch circuit is generally provided corresponding to each room in the residence, the power measuring means 12 uses the power usage of each branch circuit from the power usage for each branch circuit. Can be summed. When a specific high load electric device such as the air conditioner 3 is connected to the branch circuit, since one branch breaker is assigned to the electric device, the power measuring means 12 specifies the power usage of the branch circuit. The amount of power used can be obtained for the types of electrical equipment.

  The equipment operation detecting means 13 receives the current measurement value and the power usage data from the power measuring means 12, and detects the operation of the electrical equipment based on these data. If the electrical device is a specific high-load electrical device such as an air conditioner 3, one branch breaker is assigned to the electrical device, and the power usage of the electrical device can be obtained from the power usage of the branch circuit. A threshold value based on the reference power amount set for each electric device is prepared in advance, and it is determined that the electric device has been operated when the power usage amount by the power measuring means 12 exceeds the threshold value. On the other hand, when the outlet 4 is connected to the branch circuit, various electric devices can be connected to the outlet 4, and the electric devices used for each room are limited to some extent. Therefore, the on / off state of each electrical device is determined based on the characteristic amount measured by the power measuring means 12 such as the current consumption and the current waveform at the time of startup. Accordingly, the device operation detecting means 13 holds in advance a correspondence table between each branch circuit and the high-load electric device or the outlet 4 independently connected to the branch circuit, and each outlet 4 It is the structure which hold | maintains the correspondence table | surface of the electric equipment connected to.

The load state determination means 14 is used when the device operation detection means 13 detects the operation of a specific high-load electric device such as the air conditioner 3 by threshold judgment based on the reference power amount from the power consumption of the branch circuit. The power consumption of the device is measured using the power measuring means 12, and the load state of the electrical device is determined by threshold determination with respect to a reference power amount set in a plurality of stages for each type of electrical device. For example, when the electric device is a bathroom heating / ventilation dryer, if it is operating at 2300 Wh, it is determined as a heating operation, and if it is operating at 2100 Wh, it is determined as a drying operation.
The continuously operable time storage unit 15 stores a continuously operable time that is the longest time that the user can operate the electrical device. Moreover, it is good also as a structure which memorize | stores continuous operation possible time according to the load condition judged by the load condition judgment means 14 for every classification of an electric equipment. For example, when the electric appliance is a bathroom heater / dryer, if the bathroom heater / dryer is operating at 2300 Wh, it is determined by the load state determination means 14 as a heating operation, and if it is operating at 2100 Wh, it is determined as a drying operation. However, if it is a load state for heating operation, the continuous operation possible time is stored as 30 minutes, and if it is a load state for drying operation, 3 hours necessary for the laundry to dry are continuously operated. It is stored as possible time.

  The comparison judgment means 16 confirms the continuous operation time of the electrical equipment using the equipment operation detection means 13, compares the continuous operation time with the continuous operation possible time stored in the continuous operation possible time storage means 15, If the continuous operation time exceeds the continuous operation time, the control panel displays information on the content that prompts the user to stop the operation of the electrical equipment because the continuous operation time exceeds the continuous operation time. Output to the second communication means 22. In addition, the comparison determination unit 16 loads the load state of the electric device when the continuous operation time storage unit 15 stores a plurality of continuous operation times according to the load state for each type of the electric device. It is acquired by using the state determination means 14, and the continuous operation possible time corresponding to this load state is compared with the continuous operation time of the electrical equipment operating in this load state, and the determination result is output. Here, the comparison judgment means 16 is for confirming the continuous operation time of the electrical equipment using the equipment operation detection means 13, but the equipment operation detection means 13 is a high-load electrical equipment connected to each branch circuit, Since the operation of the electrical equipment connected to the outlet connected to the branch circuit is detected, the comparison judgment means 16 specifies the electrical equipment connected to the branch circuit and the branch circuit when outputting the judgment result, This information may be included in the determination result and output.

  The actual continuous operation time storage means 17 stores the actual continuous operation time for which the electric equipment included in the type of the electric equipment is continuously operated for each electric equipment type. It monitors the operation of the device and stores the actual continuous operation time.

  The setting unit 18 sets and stores the continuous operation possible time in the continuous operation possible time storage unit 15. The content input using the input unit 24 of the control panel 2 is controlled by the control unit 21 of the control panel 2 and transmitted to the setting unit 18 via the communication unit 22, and the continuous operation possible time storage unit 15 is set by the setting unit 18. Is stored in the continuous operation time. Further, the setting means 18 periodically acquires the actual continuous operation time stored for each type of electrical equipment from the actual continuous operation time storage means 17, and from this actual continuous operation time, the continuous operation of the type of the electrical equipment. A possible time is set and stored in the continuous operation possible time storage means 15. The setting means 18 sets the continuous continuous operation time from the actual continuous operation time by, for example, averaging the past predetermined number of actual continuous operation times and storing the average value as the continuous continuous operation time. A predetermined number of actual continuous operation times may be averaged from the actual continuous operation time, excluding the maximum time, and the average value may be stored as the continuous operation possible time.

Next, the processing operation of the power management system of this embodiment will be described with reference to the flowchart of FIG.
When the operation process of the power management system of the present embodiment is started, the power measuring unit 12 starts measuring the amount of power used for each branch circuit. Here, if the electric equipment connected to each branch circuit is operated, the equipment operation detecting means 13 detects the operation of the electric equipment operation based on the measurement result by the power measuring means 12 (step S1).
If the operation of the electric device is detected by the device operation detecting unit 13, the comparison determining unit 16 starts the operation of the internal timer and starts measuring the continuous operation time of the electric device (step S2).
Next, the comparison determination means 16 determines whether or not the electrical equipment is operating using the equipment operation detection means 13 in the process of step S3. If the electrical equipment is operating, the process proceeds to the process of step S4. Increase the internal timer. On the other hand, if it is determined that the electrical device is not in operation, the process proceeds to step S8.
Next, in step S5, the comparison / determination means 16 compares the continuous operation time measured by the internal timer with the continuous operation possible time. If the continuous operation time exceeds the continuous operation possible time, the process proceeds to step S6. On the other hand, if the continuous operation time does not exceed the continuous operation possible time, the process returns to step S3, and it is determined again whether or not the electrical device is in operation.
In step S6, the comparison / determination means 16 gives the information on the content that prompts the user to stop the operation of the electrical device because the continuous operation time exceeds the continuous operation possible time as the determination result. The control means 21 of the control panel 2 receives the determination result via the communication means 22 and notifies the user from the notification means 23.
Next, the comparison judgment means 16 judges whether or not the operation of the electric equipment is stopped in step S7 using the equipment operation detection means 13, and if the operation of the electric equipment is stopped, the processing of step S8 is performed. Transition. On the other hand, if the operation of the electric device is not stopped, the process returns to step S6 again to transmit information to the control panel 2 that prompts the user to stop the operation of the electric device.
In step S8, the comparison / determination means 16 stores the continuous operation time started using the internal timer in step S3 as the actual continuous operation time in the actual continuous operation possible time storage means 17 and proceeds to the processing in step S9. In step S3, if it is determined whether or not the electric device is operating using the device operation detecting means 13, and it is determined that the electric device is not operating, the same processing as in step S8 described above is performed. .

  In step S9, the continuous operation time measured by the comparison determination means 16 in the internal timer is reset, and the operation shifts to the process of step S1 again.

  Therefore, in the power management system according to the present embodiment, the user is notified when the continuous operation time exceeds the continuous operation time, so that the user does not need to confirm frequently forgetting to turn off the electrical device. Therefore, there is no annoyance, and even if the electric device is forgotten to be turned off, the notification means 23 notifies the user so that the presence of the electric device forgotten to be turned off can be noticed.

  In the power management system of the present embodiment, since the continuous operation time is set based on the actual continuous operation time, the continuous operation time is set according to the actual usage of the electric device by the user. The user can be reminded of forgetting to turn off the electric device without making the user feel bothersome.

DESCRIPTION OF SYMBOLS 1 Integrated management board 2 Control panel 3 Air conditioner 4 Outlet 5 Floor heating equipment 6 Television 11 Breaker 12 Electric power measurement means 13 Equipment operation detection means 14 Load state judgment means 15 Continuous operation possible time memory means 16 Comparison judgment means 17 Actual continuous operation time memory Means 18 Setting means 21 Control means 22 Communication means 23 Notification means 24 Input means

Claims (1)

By using the equipment operation detection means for detecting whether or not the electrical equipment installed in the residence is operating, the power measurement means for measuring the power consumption of the electrical equipment in the residence, and the power measurement means, Stores the load status determination means for determining the load status of an electrical device by threshold determination for a reference power amount set in multiple stages for each device, and the continuous operation possible time that is the longest time that the user can operate the electrical device continuously The continuous operation time storage means and the device operation detection means are used to check the continuous operation time of the electrical equipment, and the continuous operation time is compared with the continuous operation time stored in the continuous operation time storage means. a comparative determination unit for, if the continuous operation time exceeds the continuous operation possible time, and a notifying means for notifying the user, has been possible continuous operation stored in continuous operation possible time storage means Is stored according to the load state of the electrical equipment, and the comparison judgment means compares the continuous operation time and the continuous operation time corresponding to the load state for each electrical device, and the continuous operation time is the continuous operation time. The power management system is characterized in that the notification means notifies the user if it exceeds the limit .

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