Source: https://patents.google.com/patent/JP2016092930A/en
Timestamp: 2020-01-26 16:26:09
Document Index: 108636263

Matched Legal Cases: ['art 100', 'art 200', 'art 100', 'art 300', 'art 200', 'art 542', 'art 542', 'art 551']

JP2016092930A - Electric power saving system - Google Patents
Electric power saving system Download PDF
JP2016092930A
JP2016092930A JP2014223374A JP2014223374A JP2016092930A JP 2016092930 A JP2016092930 A JP 2016092930A JP 2014223374 A JP2014223374 A JP 2014223374A JP 2014223374 A JP2014223374 A JP 2014223374A JP 2016092930 A JP2016092930 A JP 2016092930A
JP2014223374A
Osamu Nakada
治 中田
株式会社セーフティネクスト
Safety Next:Kk
2014-10-31 Application filed by 株式会社セーフティネクスト, Safety Next:Kk filed Critical 株式会社セーフティネクスト
2014-10-31 Priority to JP2014223374A priority Critical patent/JP2016092930A/en
2016-05-23 Publication of JP2016092930A publication Critical patent/JP2016092930A/en
PROBLEM TO BE SOLVED: To provide an electric power saving system that makes good use of advantages of an apartment house to decrease electric charges and also reduce electric power consumption.SOLUTION: The present invention relates to an electric power saving system 10 applied to an apartment house which make meter reading-based charging contract with an electric power company, which comprises: a use amount information gathering part 100 which gather electric power consumptions of respective apartments R and other facilities E of an apartment house 1 from respective electric meters 101 one by one; a determination part 200 which determines whether the total power consumption of the apartment house 1 exceeds a previously set value based upon the electric power consumptions gathered by the use amount information gathering part 100; and a notification part 300 which gives notice that at least each apartment R needs to use less electric power when the determination part 200 determines that the total power consumption is to exceed the set value.SELECTED DRAWING: Figure 2
The present invention relates to a power saving system that realizes a peak cut in an apartment house, and more particularly to a power saving system that promotes suppression of contract power.
Conventionally, in condominiums and other apartment houses, electricity charges (electricity bills) have been calculated by reading the electricity meter in each house, as with detached houses. Further, by connecting an NCU (Network Control Unit) to the meter, automatic meter reading from outside can be performed without dispatching a meter reader.
Also, in multi-family housing, there is a so-called large-scale contract that makes electricity charges cheaper due to high-voltage collective contracts, and efforts have been made to allow each house to enjoy cheaper electricity than when not contracted.
In the past, electricity charges were reduced by taking advantage of the reduction of meter reading labor (automatic meter reading) based on the common specifications of each house in an apartment house, and the ease of handling (large-scale contract) as a whole. (Secondarily, it was possible to improve the occupancy efficiency of collective housing).
However, with the growing awareness of energy conservation and environmental awareness, for example, the amount of power used is not necessarily reduced with the spread of all-electricity, and there is a potentially strong demand for reducing electricity charges and power consumption.
JP 2011-239568 A JP 2002-159138 A Japanese Patent Laid-Open No. 2005-120751
This invention is made | formed in view of the above, Comprising: It aims at constructing | assembling the electric power saving system which implement | achieves the reduction of an electricity bill and the reduction of the electric power consumption which utilized the advantage of an apartment house more.
The power saving system according to claim 1 is a power saving system applied to an apartment house that has concluded a real-quantity contract with an electric power company. Based on the usage information collection means collected sequentially from the electricity meter and the power usage collected by the usage information collection means, the total power usage in the apartment will likely exceed the preset value A determination means for determining whether or not when the determination means determines that the set value is likely to be exceeded, a notification means for notifying at least each house that power consumption is to be avoided is provided. And
That is, the invention according to claim 1 can refrain from using unnecessary electric power by cooperating with each other by notification, and can reduce the electricity bill of each house by reducing contract power. Details are as follows. First, the contract power is the largest value among the maximum demand power of each month in the past year. The actual amount contract is a contract in which the largest value (contract power) is the basis for calculating the electricity charge for the next year. Therefore, if the contract power is large, the electricity rate will remain high throughout the year (next year). On the other hand, in an apartment house, the variation in the amount of power used by each house is leveled as a whole, and the change with time changes smoothly. In some cases, a certain pattern is observed. In other words, in an apartment house, the amount of electric power used does not steeply jump, for example, twice, and the peak is likely to be predicted. Therefore, it is possible to monitor the curve of total power consumption, and to determine whether it is likely to reach the maximum annual power consumption for the current year, if appropriate, taking into account the data transition from the previous year. The possibility of arrival is notified to each house, and suppression of unnecessary power use is promoted to realize peak cut, and reflected in contract power to reduce use. Note that, in the present application, the actual amount system contract widely includes contracts in which the maximum demand power is a calculation reference of the electricity charge over a certain period and the electricity charge is calculated cheaply by suppressing the peak.
The notification method is not particularly limited, and examples include lamp lighting, cable broadcasting, mail transmission, and in-house broadcasting.
The power saving system according to claim 2 is the power saving system according to claim 1, wherein each electric meter is connected to an NCU, and the usage amount information collecting means measures the power usage amount via each NCU. The collection and notification means includes a notification device provided in each door and a notification device management device that manages each notification device in an integrated manner, and each notification device is connected to the notification device management device via the NCU of each door. The notification is performed based on a signal from the notification device management apparatus.
That is, the invention according to claim 2 can easily grasp the power usage amount or automatically read the meter through the NCU, operate the notification device using the NCU, and operate as a PC. Low-cost and robust system construction can be realized without introducing functional devices. The NCU has high reliability, and can use the conventional infrastructure and existing protocols, and is suitable.
The NCU may be a wired terminal device or a wireless terminal device.
The power saving system according to claim 3 is the power saving system according to claim 1 or 2, wherein the apartment house has also concluded a high-voltage collective contract with an electric power company and is collected by the usage information collecting means. Based on the power consumption of each other house and other equipment, it is calculated from the uncontracted rate calculator that calculates the electricity price of the entire apartment building when the high-voltage collective contract and the actual volume contract are not applied, and the uncontracted rate calculator The difference calculation means for calculating the difference between the charged electricity charge and the electricity charge charged to the collective housing from the electric power company, the power usage amount of each house collected by the usage information calculation means, and the difference calculation means And an electricity charge calculating means for calculating an electricity charge for each house based on the calculated difference.
That is, the invention according to claim 3 is based on the high-pressure collective contract, and returns the difference when there is no contract to each house, thereby increasing the power saving awareness or peak cut awareness and contributing to the reduction of the electricity bill. Can do. Here, in the present application, the high-voltage collective contract widely includes contracts in which there is a difference in electricity charges between a large contract and a small contract (individual contract, general contract) even if the amount of supplied power is the same.
Note that the distribution of returns is not uniform, and a difference such as increasing the return rate may be given to dwelling units that are active in peak cuts.
The power saving system according to claim 4 is the power saving system according to claim 3, wherein the electricity charge calculation means is further configured to calculate the electricity consumption of each house based on the facility introduction cost accompanying the actual amount contract and the high voltage collective contract. It is characterized by calculating a fee.
That is, the invention according to claim 4 relates to the actual costs such as the introduction of the NCU, automatic metering electric meter and notification device with the actual amount contract, and the purchase and introduction of the transformer and the high voltage instrument with the high voltage collective contract, These can be reimbursed or amortized as electricity charges, effectively reducing system introduction costs or making them extremely inexpensive. Therefore, it can also be introduced into existing apartment houses.
The power saving system according to claim 5 is the power saving system according to claim 2, 3 or 4, wherein the water consumption amount and the gas consumption amount of each door and other facilities are connected to the respective electric meters and gas meters. An automatic meter reading means for automatically reading the meter via the NCU is provided.
That is, the invention according to claim 5 efficiently uses the installed or installed NCU resources, and realizes a substantial reduction in system introduction.
ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to construct | assemble the power saving system which implement | achieves reduction of the electricity bill which utilized the advantage of the apartment house more, and reduction of electric power consumption.
It is explanatory drawing which showed the example of the difference in the demarcation point of the power supply before and after system introduction. It is explanatory drawing which showed the example of the system configuration | structure of each house and the whole housing complex. It is a figure explaining how to determine contract power. It is explanatory drawing which showed the hardware structural example at the time of installing the power saving system of this invention in a server apparatus as a computer program.
Here, the power saving system of the present invention is introduced to an apartment house where electric power is supplied to each low-voltage house, that is, an apartment house where each house contracts with an electric power company under the most general contract (small contract). An example will be described. In the following, the term “dwelling house” is used as appropriate in the meaning of an organization that manages each house and the common area.
FIG. 1 is an explanatory diagram showing an example of changing the demarcation point of power supply before and after system introduction. FIG. 2 is an explanatory diagram showing an example of the system configuration of each house and the entire apartment house.
When the system is introduced, the apartment house 1 concludes a high-pressure collective contract and a real-volume contract with an electric power company. Along with this, the demarcation point of the apartment house 1 changes. The demarcation point is a property demarcation point, and is also a supply and demand point and a security responsibility demarcation point. In the illustrated configuration, with the introduction of the system, the transformer in the supply transformer room is purchased on the apartment house 1 side, and the switch is removed. Instead, at the burden of the apartment house 1, a main shut-off device, a high-pressure meter, and a division switch will be introduced.
With the introduction of the system, the electricity bill for each house R will be reduced as will be described later. Moreover, the meter reading work of the electric meter of each door R becomes virtually unnecessary, and the labor burden is reduced on both the housing complex 1 side and the power company side.
The power saving system 10 includes a usage amount information collection unit 100, a determination unit 200, a notification unit 300, and a calculation unit 400.
The usage amount information collecting unit 100 is an electric meter in which the power usage amount of each house R and the power usage amount of other parts such as a common part and a common benefit part (hereinafter collectively referred to as equipment E) are arranged respectively. Collect sequentially from 101. More specifically, an NCU 102 is connected to each electric meter 101, and power usage is collected sequentially through the NCU 102.
By deploying the NCU 102, in this embodiment, the amount of power used is grasped every 30 minutes. By closely grasping the transition of power consumption (individual and total), it will be possible to determine whether or not it will be the maximum demand power for the day, the month, or the year, as described below. .
The determination unit 200 sequentially calculates the total power usage V in the apartment house 1 based on the dynamic power usage collected by the usage information collection unit 100, and this value is a preset set value D. Judge whether it is likely to exceed. This set value D is set based on the results of the previous year.
As shown in FIG. 3, in the case of an actual amount contract, the contract power is determined based on the largest value (maximum value) of the maximum demand power (extreme value) of each month in the past year. In practice, however, the maximum value lasts only about 1-2 hours per year. That is, the electricity rate is determined at a high level due to a peak of the amount of power used for several hours in a year. In other words, if this maximum value can be pushed down, the calculation base of electricity charges for each house will be lowered. In the power saving system 10, the set value D is determined based on the maximum value of the previous year, and when approaching it, the power saving cooperation is called to each house R so as to realize contract power reduction.
In the first year of the system introduction, it was difficult to grasp the detailed changes in power consumption in the previous year, so the sum of the power consumption (total power consumption V) of each house R and equipment E in the previous year was the largest. The set value D is determined based on the monthly power consumption (maximum value). After the second year of introduction, the set value D is determined with reference to the maximum value of the previous year. Specifically, an example can be given in which the second year is set to 90% of the maximum value in the first year, and the third year is set to 95% of the maximum value in the second year.
Whether or not the set value D is likely to be exceeded is determined on the basis of a change over time in the total power consumption V. For example, the total power usage exceeds 80% of the set value D, and the total power usage V 0 of the current measurement from the total power usage V −1 of the previous measurement (30 minutes before), that is, the latest When the amount of increase ΔV (= V 0 −V −1 ) for 30 minutes is added to the total power consumption V 0 of the current measurement and exceeds the set value D (V 0 + ΔV ≧ D), next time (after 30 minutes) It is determined that the total power usage amount V + 1 of the current state is likely to exceed the set value.
Note that the determination of whether or not the set value D is likely to be exceeded may be made by referring to the temperature depending on the mode of use. For example, when the air temperature exceeds 33 ° C., V 0 + ΔV × 1.2 is compared with the set value D, and when the air temperature exceeds 35 ° C., V 0 + ΔV × 1.4 is compared with the set value D.
When the determination unit 200 determines that the set value D is likely to be exceeded, the notification unit 300 notifies each house R that power usage is to be refrained. Specifically, the notification unit 300 includes a chime 301 and a chime management unit 302. The chime 301 is provided in each house R and is connected to the chime management unit 302 via the NCU 102 of the dwelling unit. When it is determined that the set value D is likely to be exceeded, the chime management unit 302 transmits a signal, and the chime 301 is remotely operated via the NCU 102 to emit a chime sound. In addition, depending on the degree of urgency that is likely to exceed the set value, the signal is properly used and the chime sound is changed from monotonic sound to melody → standard voice utterance (for example, “95% of the set value has been exceeded. Please cooperate with power saving.” ) May be output.
The power saving system 10 uses the NCU 102 introduced for the sequential monitoring of the electric meter 101 for the remote operation of the chime 301 to make effective use of resources. In other words, the introduction cost is kept low by using the NCU 102 which is simple and has a reliable control protocol rather than introducing a PC to each house only for voice notification several times a year. I am doing so.
In collective housing 1, high-voltage collective contracts and actual quantity contracts make the overall electricity bill cheaper in a superimposed manner by making good use of the actual quantity system as compared to the case where these contracts are not made It has been devised. This difference is returned to each house, and the calculation unit 400 performs the calculation.
The calculation unit 400 includes a non-contracted fee calculation unit 401, a difference calculation unit 402, and an electricity fee calculation unit 403.
The uncontracted fee calculation unit 401 is based on the power usage of each house R and facility E collected by the usage information collection unit 100, and the entire housing complex 1 in the case where neither a high-pressure collective contract nor an actual quantity contract is concluded To calculate the electricity bill. That is, the electricity bill in a state before the power saving system 10 is introduced is calculated.
The difference calculation unit 402 calculates the difference between the electricity fee calculated by the uncontracted fee calculation unit 401 and the electricity fee charged to the collective housing 1 in a lump from the electric power company. The electricity bill charged to the collective housing 1 in a lump may be billed by an electric power company, but can be grasped in advance by reading a high voltage meter on the collective housing 1 side.
The electricity rate calculation unit 403 calculates the electricity rate for each house R based on the power usage amount of each house R collected by the usage amount information collection unit 100 and the difference calculated by the difference calculation unit 402. At this time, when the power saving system 10 is introduced, as described above, the cost of the NCU 102, the main shutoff device, and the like is incurred. Therefore, the electricity rate calculation unit 403 uses this difference to amortize the facility introduction cost. In addition, if labor costs and other management costs are incurred when introducing the power saving system 10 in the housing complex 1, this management cost is also considered.
Specifically, for example, in the case where the facility introduction cost is consumed in 60 months, the real difference that is the basis for calculating the monthly electricity charge for each house R is: real difference = difference−equipment introduction cost / 60−monthly management fee .
The electricity charge for each house R is electricity charge = {(electric power consumption of the dwelling unit) / (total electric power consumption of the apartment house 1)} × (collected charge + substantial difference). However, it is preferable to adjust the monthly amount of the facility introduction cost and the monthly management cost so that (total amount charged when not contracting) ≧ (total invoiced amount + actual difference amount). Depending on the mode of use, electricity charges may be further reduced for dwelling units that use less power in response to notification.
In the power saving system 10, the water meter 103 and the gas meter 104 are further connected using the remaining ports or the remaining contacts of the NCU 102 to perform automatic meter reading. The automatic meter reading may be used only for remote operation from a water company or a gas company. For example, the usage information collection unit 100 performs automatic meter reading, and in the housing complex 1, as in the case of electricity, large contract and small contract A merit may be given to the resident by the difference. In addition, when the NCU 102 is used by a water company or a gas company in this way, the introduction cost of the NCU 102 can be further reduced.
The main parts of the usage information collection unit 100, the determination unit 200, the notification unit 300, and the calculation unit 400 can be provided as a computer program. FIG. 4 is an explanatory diagram showing an example of a hardware configuration when the power saving system 10 of the present invention is installed as a computer program in a server apparatus.
The server device 500 includes a CPU 501, a ROM 502, a RAM 503, a hard disk (HDD) 504, a graphics card 505, a monitor 506, a keyboard (K / B) 507, and a mouse (MOUSE) 508. And a network control unit 509.
The CPU 501 controls the entire server device 500 together with the OS, and controls processing of various programs. Specifically, the CPU 501 receives information from each NCU 102 input from the network control unit 509 in accordance with a program stored in the hard disk 504, determines whether the power usage exceeds the set value D, Notifications are made to each house R through each NCU 102 as necessary, and electricity charges are calculated. In addition, the CPU 501 also performs control for temporarily saving work data stored in the hard disk 504 in the RAM 503.
The ROM 502 stores a boot program and the like. Depending on usage, the ROM 502 may store a control program for the server device 500. The RAM 503 is used as a work area for the CPU 501. Specifically, the contents of data read from the hard disk 504, the contents of programs, and the like are temporarily stored.
The hard disk 504 stores an operating device (OS), application programs, and various data. The configuration of the hard disk will be described later.
The graphics card 505 transmits an image signal to be output to the monitor 506. The graphics card 505 includes a VRAM that stores an image signal to be output, and an image output interface (image output I / F) that outputs the processed image signal to the monitor 506. The image output I / F outputs RGB image data expanded in the VRAM to the monitor 506. Functionally, depending on the mode of use every 30 minutes, the transition of the total power usage is drawn in real time, and the past transition of the power usage is drawn or superimposed.
The network control unit 509 acquires the numerical value of the electric meter 101 from the network via the NCU 102. A control signal is sent to the chime 301. Depending on the mode of use, an email may be sent to alert the resident. The hardware configuration for transmission / reception is not limited as long as it can communicate properly with the NCU 102 and can be reliably controlled.
The hard disk 504 will be described. The hard disk 504 is divided into an application unit 541 and a data unit 542. The application unit 541 includes an OS 551 that controls the entire server device 500 and a notification calculation program group 552 that notifies the possibility of exceeding the set value and also calculates the electricity bill.
The notification calculation program group 552 includes an electric meter reading program 553, an aggregate transition creation program 554, a setting value excess possibility determination program 555, a chime operation program 556, an electric bill calculation program 557 for each door, and a water meter reading program 558. And a gas meter reading program 559.
The electric meter reading program 553 transmits a signal to the electric meter 101 via the NCU 102, and receives the power usage amount that the electric meter 101 returns based on this signal. This power usage amount is stored in the data unit 542 together with the identification number of each house R and the reception time. In the present embodiment, a signal is transmitted to the NCU 102 all at once every 30 minutes, and each power consumption is received from each. Depending on the mode of use, the electricity meter 101 may actively transmit the power usage every minute, and the electricity meter reading program 553 may constantly receive the data.
The total transition creation program 554 sums up each power usage amount, and visualizes the change over time of the total power usage amount V of the apartment house 1. That is, the total power consumption V is monitored at all times. The total power consumption V and time are sequentially stored in the data part 542 as a set. By storing the data in the data part 542, the use results are accumulated, and can be used as data for determining the set value D in the next fiscal year or after, and determining the possibility of exceeding the set value.
The set value excess possibility determination program 555 determines whether the total power usage V is likely to exceed the set value D based on the transition of the total power usage V. As described above, the determination algorithm determines that there is a possibility of excess when the amount of increase from 30 minutes before is added to the current measurement value and exceeds the set value D.
The chime operation program 556 performs control to level the chime 301 via the NCU 102 when it is determined that there is a possibility of exceeding. Specifically, a control signal is transmitted. As described above, a plurality of signals are prepared and used in accordance with the degree of urgency.
Each door electricity charge calculation program 557 calculates the electricity charge of each house R. In the calculation, as described above, the difference is taken into consideration and the profit is reduced so that the electricity charge is lower than that before the system introduction.
The water meter reading program 558 performs meter reading of the water meter 103, and the gas meter reading program 559 performs meter reading of the gas meter 104 via the NCU 102, respectively. If necessary, the profit reduction calculation is performed in the same manner as in the case of electricity.
The data unit 542 includes a meter reading data storage unit 561, a transition data storage unit 562, and a set value data storage unit 563.
The meter reading data storage unit 561 records the meter value of each electric meter 101 together with the measurement date and time and the ID of the NCU 102 (or each door R or facility E). Further, depending on the mode of use, the values of each water meter and gas meter are recorded together with the measurement date and time and the ID of the NCU 102 (or each door R or equipment E).
The transition data storage unit 562 records the total power consumption V together with the time. Depending on the mode of use, temperature and weather information may also be added. Since the transition data storage unit 562 sequentially stores past data, the data can be appropriately referred to as the previous day, the previous month, the previous year, or the like.
The set value data storage unit 563 stores the set value D.
Note that the above only describes a set of programs and the like that are aggregated from the viewpoint of the power saving system 10 realized by the server device 500, and an actual program is configured by a large number of components, DLLs, and the like.
As described above, according to the present invention, it is possible to provide a power saving system that realizes a reduction in electricity charges and a reduction in the amount of power used by making the most of the advantages of an apartment house.
In addition, this invention is not limited to the above aspect. For example, the movement of the demarcation point, unnecessary facilities, and necessary facilities differ depending on the mode of the apartment house. Further, the high-voltage collective contract and the actual quantity contract are not limited to the case where the electric power company provides them as standard menus, but may be determined by individual specific contracts.
The present invention is not limited to collective housing, and it is technically possible to apply a predetermined unit such as a new residential area or a neighborhood association as a group.
1 Apartment 10 Power Saving System 100 Usage Information Collection Unit 101 Electric Meter 102 NCU
103 Water meter 104 Gas meter 200 Determination unit 300 Notification unit 301 Chime 302 Chime management unit 400 Calculation unit 401 Uncontracted rate calculation unit 402 Difference calculation unit 403 Electricity rate calculation unit 500 Server device 504 Hard disk 509 Network control unit 541 Application unit 542 Data Part 551 OS
552 Notification calculation program group 553 Electric meter reading program 554 Aggregate transition creation program 555 Setting value excess possibility determination program 556 Chime operation program 557 Electric charge calculation program 558 Water meter reading program 559 Gas meter reading program 561 Meter reading data storage unit 562 Transition data Storage unit 563 Setting value data storage unit E Equipment R Each door
A power saving system applied to an apartment house that has a real-time contract with an electric power company,
Usage information collection means for sequentially collecting the power consumption of each house and other equipment in the apartment from each electric meter;
Determining means for determining whether the total power consumption in the apartment house is likely to exceed a preset value based on the power usage collected by the usage information collecting means;
A notification means for notifying at least each house that power consumption is refrained when it is determined by the determination means that the set value is likely to be exceeded;
A power saving system characterized by comprising:
Each electric meter is connected to an NCU,
Usage information collection means collects power usage through each NCU,
The notification means includes a notification device provided in each door, and a notification device management device that manages and manages each notification device,
2. The power saving system according to claim 1, wherein each notification device is connected to a notification device management apparatus via an NCU of each house, and performs notification based on a signal from the notification device management apparatus.
The housing complex has also signed a high-pressure collective contract with an electric power company.
A non-contracted rate calculation unit that calculates the electricity rate of the entire apartment house when the high-voltage collective contract and the actual volume contract are not made based on the power consumption of each house and other equipment collected by the usage information collection unit;
A difference calculation means for calculating a difference between the electricity charge calculated by the uncontracted charge calculation means and the electricity charge charged to the collective housing from the electric power company in a lump;
An electricity charge calculation means for calculating an electricity charge for each house based on the power consumption of each house collected by the usage information calculation means and the difference calculated by the difference calculation means;
The power saving system according to claim 1, further comprising:
4. The power saving system according to claim 3, wherein the electricity charge calculating means further calculates the electricity charge of each house based on the facility introduction cost accompanying the actual amount contract and the high voltage collective contract.
5. The automatic meter reading means for automatically reading the water use amount and gas use amount of each door and other facilities via the NCU connected to the respective electric meter and gas meter. The described power saving system.
JP2014223374A 2014-10-31 2014-10-31 Electric power saving system Pending JP2016092930A (en)
JP2014223374A JP2016092930A (en) 2014-10-31 2014-10-31 Electric power saving system
JP2016092930A true JP2016092930A (en) 2016-05-23
ID=56017327
JP2014223374A Pending JP2016092930A (en) 2014-10-31 2014-10-31 Electric power saving system
JP (1) JP2016092930A (en)
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