JP2002207792A - Method for forecasting effect of introducing water saving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for forecasting an effect of introduction effective in adopting a rental rate system when a water saving tool is introduced in the rental rate system by offering to a special agency, considering assessment of a part which can achieve water conservation and a part which can not achieve water conservation in a water system, operation and cost in introducing the water saving device. SOLUTION: A method for forecasting an effect of introducing a tap water saving device calculates a difference of water rates before and after introducing the water saving device by a computer by using a present used flow rate under a present use condition of a part which the water saving device having the water saving tool in a part for taking out water or the like can be introduced, a forecasted saved flow rate after introducing the water saving device, a water rate and a used flow rate in a certain period in the past under the present use condition, and a rental rate of introducing the water saving device, and presents the effect of introducing the water saving device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for predicting the effect of introducing a water-saving device such as a water-saving device provided at a water supply port of a faucet, or a water-saving device provided for water saving of equipment. About.

[0002]

2. Description of the Related Art An appropriate flow rate of a faucet provided in a water supply system is generally determined depending on the use purpose. However, in many cases, each faucet is used in a range exceeding the appropriate amount of water. For this reason, in order to save water in the water supply system, by introducing a water saving device that installs a water saving device in the water inlet portion of the faucet, etc.
Measures have been taken to limit the use of wasted water. In this case, in a water supply system that has many water supply take-out sections such as water taps and water supply pipes to equipment, depending on the usage,
A water-saving device can be provided to limit the use of waste water, a so-called water-saving device can be introduced, and a predetermined amount of water, such as a bath, a cooling tower for a cooling system, a dishwasher, an artificial dialysis machine, etc. There are parts that must be consumed, the latter part being a non-introducable part of the water saving device.

As described above, when the water supply system has a large number of water supply taking-out parts and there are a part where the water saving device can be introduced and a part where the water saving device cannot be introduced, the water supply taking-out part of the part where the water saving device can be introduced, etc. It is desired to install a water-saving device to achieve appropriate water-saving with a balance between water volume and water-saving. In this case, if the owner of the water supply system attaches water saving devices to a large number of water supply outlets, it is difficult to select water saving devices to achieve appropriate water saving that balances water volume and water saving. It takes a lot of time and money. Therefore, it is often more appropriate for a specialized trader to perform these tasks.

[0004]

There is also a method of purchasing water-saving equipment. However, when requesting a specialized company as described above, considering the future maintenance and inspection, the water-saving equipment is leased or leased. In some cases, it may be more convenient to use a fee-based method. If you adopt this purchase method or rent method,
Grasp current water rates, select and install water-saving equipment, estimate water rates when water-saving equipment is installed, estimate rent for water-saving equipment, estimate the effect of installing water-saving equipment Is required.

Accordingly, the present invention provides an effective method for predicting the effect of introducing a water saving device.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a water supply take-out unit which measures the flow rate of a water-saving device mountable portion in a current use state for a predetermined water supply system and / or for all water supply systems. Current flow rate measured for each water supply, scheduled flow rate measured for each water supply outlet with the flow rate with the water saving device installed, and water charges for the past certain period of the water-saving and non-water-saving parts in the current usage state Using the amount of water used, the number of water-saving devices installed, and the cost of introducing a water-saving device, the computer calculates the difference between the water rates before and after the water-saving device is installed, and presents the effects of the water-saving device installation. Take the method.

[0007]

Next, an embodiment of the present invention will be described. FIG. 1 is a cross-sectional view of one of the water-saving devices to which the present invention is applied, FIG. 2 is an explanatory view of a water supply port which is one of water supply and take-out portions of a water supply system, and FIG. Explanatory drawing of the attached structure, FIG. 4 is each step diagram of the water saving device introduction effect prediction method, FIG. 5 is a configuration diagram of a computer device that executes the water saving device introduction effect prediction method, and FIG. 6 is the current survey data of the target water supply system. List, Fig. 7 is a list of flow rates before and after installation of water saving device for each water supply port, Fig. 8 is a list of current water consumption of non-water saving parts, Fig. 9 is a list of water usage and fees for each month for one year, 10 is a list of calculated water saving possible partial water amounts, FIG. 11 is a list of calculated expected water saving amounts, and FIG. 12 is a list of water saving device introduction effect prediction results.

As a water saving device, there is a system in which a water saving device 1 is provided in a water supply port 6 of a faucet, that is, a water supply portion, as described later, and water having an appropriate flow rate is supplied to a predetermined device according to the state of the device at each time.
There is a water-saving system that supplies hot or cold water,
The water saving device in the present invention includes one or both of them.

When applying the present invention, it is first necessary to grasp the current status of the water supply system of the facility. That is, in a water supply system having a large number of water supply take-out parts (hereinafter, referred to as water supply parts) such as a water faucet generally referred to as a faucet and a water supply pipe for supplying water to equipment, a water saving device may be provided depending on the use situation. Introduced parts of water-saving devices that can limit the use of waste water, and parts that must consume a certain amount of water, such as baths, cooling towers for cooling systems, dishwashers, artificial dialysis machines, etc. Yes, this latter part is the non-introducable part of the water saving device.

[0010] As described above, in a facility having a portion where the water saving device can be introduced and a portion where the water saving device cannot be introduced, the water saving effect can be obtained for the portion where the water saving device can be introduced.
When estimating the effect of introducing a water-saving device, it is necessary to consider the side.

[0011] If the target facility is only a portion where a water-saving device can be introduced, water-saving devices can be attached to all water supply and take-out sections to obtain effective water-saving.

In the following embodiment, a facility having a portion where a water saving device can be introduced and a portion where a water saving device cannot be introduced will be described. Therefore, in the case of facilities with only water-saving devices that can be introduced, it is necessary to pay attention to the fact that the estimate is made by omitting the water-saving devices that cannot be installed.
Easy to understand.

An embodiment of the present invention will be described below with reference to the drawings. A water saving device 1 which is a kind of a water saving device includes a metal having a flange 4 formed at one end and a water hole 3 formed on a center axis,
It is formed of hard rubber, synthetic resin, or the like. A water supply port 6 of a faucet 5 provided in a water supply piping system 9 which is one of water supply taking-out parts (hereinafter, referred to as a water supply part), that is, a water supply part is detachable via a joint member 7 composed of a nut. The discharge pipe 8 is rotatably connected, and the water-saving device 1 is mounted in a connection portion of the discharge pipe 8. Cylindrical part 2
The outer diameter of the cylindrical portion 2 is substantially equal to the inner diameter of the discharge tube 8 near the flange 4 in order to arrange the inside of the discharge tube 8.

The water flow hole 3 of the water-saving device main body 1 is formed to have a small hole diameter of about 1/2 of the inner diameter of the discharge pipe 8, and has tapered surfaces at the openings at both ends. For this reason, the water supply unit 6
Even if the faucet 5 is fully opened, the amount of outflow from the discharge pipe 8 can be halved, and the tapered surface allows the inflow to the outflow hole 3 and the outflow from the outflow hole 3 to be smooth. is there.

The water-saving device main body 1 can be mounted in a connection portion of the discharge pipe 8 connected to the water supply unit 6 with the faucet 10 closed. The water-saving device main body 1 is not limited to being attached to the inside of the connection part of the discharge pipe 8 connected to the water supply unit 6 of the faucet 5 as described above, and may be appropriately used for a washing water supply port of a toilet or industrial water. It can be installed in a connection part such as a water supply unit to be used, that is, a water saving effect described later can be achieved by attaching to a water supply unit.

The present invention relates to a method and a system for calculating the effect of introducing a so-called water saving device such as a water saving device provided in a water supply section of a faucet or a water saving system provided for saving water of equipment. For this reason, the amount of effect by introducing the water saving device is calculated by the computer device, and the effect of introducing the water saving device is predicted (estimated).

For this reason, the computer device has a predetermined period in the past of the target water supply system (refers to the water supply system of the present invention in the target water supply facility using water) (in the embodiment, the predetermined period is one year). )), Input of current water volume before and after installation of water saving device, and other data for each water supply unit of the water saving unit of the target water supply system, An input unit 20 having input means such as a keyboard and a mouse (pointing device) for issuing commands for executing each execution step, a program memory unit 23 for storing a computer control program, a CRT, a liquid crystal display, and a printer An output unit 24 having an output unit for displaying input data and output data of the computer on the display unit 25,
The current water volume of the target water supply system in the past predetermined period input by the input unit 20 per month, the monthly usage fee, and the current flow rate before the water saving device is installed for each water supply unit of the water saving unit in the target water supply system. And a data memory unit 22 for storing the flow rate after installation of the water saving device, and other data, and receiving a command of a control program of the program memory unit, storing data in the data memory unit, reading data from the data memory unit,
It includes a central processing unit 21 for performing predetermined arithmetic processing and processing for displaying various data on a display unit of the output unit.

The present invention is a method for predicting the effect of introducing a water-saving device, which executes the following steps, and has means for executing this step. In other words, based on the monthly water usage and usage fee of the water supply unit of the target water supply system in the past predetermined period, the monthly water charge unit price, the predetermined period usage water amount, the predetermined period usage fee, and the predetermined period water fee unit price are calculated. Means for executing the calculating step, the water-saving part of the water-saving part and the water-saving part of the water supply part of the target water supply system, based on the monthly water usage in the predetermined period, and in each of the predetermined periods Means for executing a step of calculating the amount of water used for a predetermined period, and a water saving rate for each water supply section, a water saving rate for each water supply section, Means for executing the step of calculating the total water saving rate of the water-saving section, and the step of calculating the water saving rate for the predetermined period based on the water usage rate of the water-saving section for the predetermined period and the total water saving rate of the water-saving section. Means for executing a step of calculating an expected amount of water saving for a predetermined period based on a water saving amount for a predetermined period and a unit price of water for a predetermined period, and calculating a water saving rate of the entire target water supply system based on the expected amount of water saving and a usage fee for a predetermined period. Means for performing a step of performing a step of calculating a monthly expected water saving amount from the expected water saving amount for a predetermined period, and a step of calculating a monthly water saving device introduction cost from the monthly water saving device rent and the number of installed water saving devices. A means for executing, a means for executing a step of calculating a monthly merit amount from a monthly expected water saving amount and a monthly water saving device introduction cost, a means for executing a step of calculating a predetermined period merit amount from the monthly merit amount, From the items, the expected monthly water savings, the expected water savings for the specified period, the monthly merit amount, the merit amount for the specified period, and if necessary It constitutes a system of means for performing the steps of a list displayed on the display unit to be added other items.

Hereinafter, embodiments of the method and system for predicting the effect of introducing a water-saving device according to the present invention will be described in detail. INDUSTRIAL APPLICABILITY The present invention is applicable to those having one or both facilities of water supply and sewerage. Usually, the form of water use is
When supplying water from rivers and wells to ordinary households and other facilities as drinking water, etc., when supplying water from rivers and wells to factories, etc. as industrial water, and further, hand-washing There is a case where treated water (medium water) obtained by filtering used water in a treatment facility is used as toilet water, and the present invention is applicable to a target water supply to which the present invention having both or both of water supply and sewerage is applicable The present invention can be applied to any system (a water supply system to which the present invention is applied in general households and other facilities).

First, with respect to the target water supply system, in the place (point) where the tap water saving device can be installed, that is, in the target water supply system,
For each water supply system, check the water supply outlet that can save water by the water saving device (faucet and other water supply units, hereinafter collectively referred to as "water supply unit") and the water supply outlet that cannot save water (water supply unit). Then, the present status data relating to these is stored. That is, each water supply taking-out part of the water-saving part (point), that is, the total number of water-supplying parts in the water-saving part, and the selection of a water-saving device 1 applicable to the water-supplying part are performed for each water-supply system. The data is stored in the data memory unit 22 by the input unit 20 as data classified by each set. This is shown in FIG.
As shown in, the installation ridge, installation floor, installation location, faucet type, SUIT type (type of water-saving equipment), option, number (number of water-saving equipment), remarks of the list displayed on the screen of the display unit 25 Is entered by the input unit 20 in each of the fields, and this is stored in the data memory unit 22 as data.

In addition, the amount of water used in the current state of use of tap water in the water saving section is checked for each water supply section for each water supply system. This result is shown in FIG.
As shown in the list, the data of each item of the list displayed on the screen of the display unit 25 is input by the input unit 20 for each measurement location, and the data is stored in the data memory unit 22. The measuring method is to measure the flow rate per unit time using a beaker based on the water supply opening which is used daily. This measurement is performed several times and the average value is taken. This average value is input by the input unit 20 of the computer as the current water consumption of the water supply unit, and is stored in the data memory unit 22 by the input unit 20 as the current water consumption before installation of the water saving device (flow rate before installation).

Further, the flow rate per unit time when each water supply section is adjusted to an appropriate amount of used water is measured. This is achieved by attaching the water-saving device 1 to each water-supplying section of the water-saving section and measuring the flow rate per unit time using a beaker with a water-supplying section opening suitable for the use environment of the water-supplying section. Done. This measurement is also performed several times, and the average value is obtained. In this case, a computer device performs a simulation for adjusting each water supply unit to an appropriate amount of water used,
This is performed while checking the display on the display unit 25, and adjustment is performed so that each water supply unit has an appropriate water consumption. This value is input by the input unit 20 of the computer as the water consumption after saving (flow rate after installation) of the water supply unit.
Is stored in

The amount of water obtained by subtracting the amount of water after water saving from the current amount of water used obtained by the above measurement is the amount of water saved. In order to perform this calculation, the central processing unit 21 uses the programs in the program memory unit 23 to calculate the current water consumption (flow before installation) and water consumption after saving (flow after installation) for each water supply unit obtained by the above two methods. From the data memory unit 22 to calculate the water saving amount per unit time (liter / minute) for each water supply unit and the water saving rate (%) for each water supply unit by calculating the difference. The information is stored in the unit 22. This is step 4 described later. by this,
The data of each item of the list of FIG. 7 displayed on the screen of the display unit 25 are aligned.

In the present invention, it is necessary to collect past data close to the present in order to grasp the current use state of the target water supply system and predict the future water saving effect. In this case, if long-term data is adopted as data of a predetermined period in the past, a stable value can be grasped. However, basically, data of all seasons may be used. Note that, depending on the water supply system, there are some water supply systems that have not been operated for a long period of time, and some water usage systems have changed. In such a facility, data of a period (for example, six months) during which it can be determined that the facility is in a proper use state is adopted. In the following embodiment of the present invention, as a standard method, a predetermined period is set to the past one year, and annual data of the period is adopted.

The water supply and sewage water of the target water supply system including the water-saving part and the water-impossible part in the past one year is as follows:
Check the monthly water usage and water usage rates. This means that the water supply system administrator or owner should be provided with the monthly water rate (the sum of the water supply rate and the sewerage rate, It can be confirmed by submitting a fee (charge) and a statement of the amount of water used (invoice, receipt, etc.). In order to obtain the average value of past water and sewage charges and the amount of water used, there is a method of submitting data for the past two years or three years, but in order to grasp the recent situation, There is practically no problem with the above data. These data are input to the items in the list of FIG.
Is stored in the data memory unit 22.

FIG. 4 shows the steps of the method for predicting the effect of introducing a water-saving device according to the present invention. Details of this will be described below. The present invention provides a water supply unit price for each month based on the amount of water used and the monthly charge of the target water supply system in the past year.
It has means for executing step 1 of calculating the annual water usage, annual usage fee, and annual water unit price. The annual water charge unit price is equivalent to the average water charge unit price of the monthly water charge unit price. That is, the central processing unit 21 stores the program memory unit 2
Based on the program of No. 3, the monthly usage fee and water usage for the past one year are read out from the data memory unit 22,
Calculate the monthly water charge unit price, and calculate the annual water consumption, the annual use charge, which is the total of the monthly water consumption and the usage charge, and the average water charge unit price, which is the annual (predetermined period) water charge unit price. Then, these are stored in the data memory unit 22. This state is shown in the list of FIG. 9 displayed on the screen of the display unit 25. This annual water charge unit price, that is, the average water charge unit price D
May be calculated based on the annual water usage and the annual usage fee, or may be calculated as an average of monthly water charge unit prices.

The target water supply system has a water-saving part (location). For example, bath, cooling system cooling tower,
This is the part where a certain amount of water must be consumed, such as a dishwasher, artificial dialysis machine and the like. The present invention has means for executing step 2 of calculating the amount of tap water used in the past year for the water-saving section. That is, for the water-impossible parts, the flow rate (consumption / time) per unit time of each of these water supply parts is measured by a measuring instrument,
In addition, the number of operating days / year is confirmed, and these values are input to the input unit 2 for each water supply unit in the list of FIG. 8 displayed on the screen of the display unit 25.
0 is input and stored in the data memory unit 22. The central processing unit 21 reads out the above values from the data memory unit 22 based on the program in the program memory unit 23, calculates the annual water consumption in the past one year for each water supply unit of the water-saving unit, and calculates the total Is calculated for the past one year, and these are stored in the data memory unit 22. This result is shown in the list of FIG. 8 displayed on the screen of the display unit 25.

According to the present invention, the annual water consumption in the past one year is calculated based on the monthly water consumption in the past one year for the water-saving part of the target water supply system and the water-saving part of the water-saving part. Means for performing step 3 of That is, based on the program in the program memory unit 23, the central processing unit 21 reads out the annual water consumption of the target water supply system and the annual water consumption of the water-impossible part obtained from the above from the data memory unit 22 and calculates the difference. Then, the annual water consumption in the past one year of the water saving possible part is calculated, and this is stored in the data memory part 22. This result is shown in the list of FIG. 10 displayed on the screen of the display unit 25.

Further, the present invention is based on the current amount of water used before installing the water saving device for each water supply unit of the water saving unit and the flow rate after water saving after installing the water saving device for each water supply unit of the water saving unit.
It has means for executing step 4 of calculating the water saving rate for each water supply section and the total water saving rate of the water saving possible section. That is, based on the program in the program memory unit 23, the central processing unit 21 uses the data memory unit 22 to store the current amount of water used before installing the water saving device for each water supply unit and the water saving unit 8 for each water supply unit after installing the water saving device. After the flow rate is read out, the water saving rate for each water supply section is calculated by dividing them,
The total water saving rate of the water saving possible section is calculated, and these are stored in the data memory section 22. This result is shown in the list of FIG. 7 displayed on the screen of the display unit 25.

In step 4, the water saving rate (%) of each water supply section is reviewed in order to obtain a good water saving effect. As the method, a method of multiplying the water saving rate (%) of each water supply section by a coefficient to calculate an appropriate water saving rate of each water supply section is adopted. This is to check whether or not the water saving rate (%) of each water supply section in the above calculation is appropriate and make necessary corrections based on an empirical rule for each water supply section. This is a value expressed as the ratio of the amount of water used in the water supply section to the amount of water. When the coefficient is input by the input unit 20, the coefficient is stored in the data memory unit 22. The central processing unit 21 reads the water saving rate (%) and this coefficient from the data memory section 22 based on the program in the program memory section 23, and calculates the water saving rate (%) for each water supply section in FIG. The water saving rate (%) in the column is corrected and their total water saving rate (%) is calculated, and these are stored in the data memory unit 22. This corrected result is displayed on the display unit 2 in the form of FIG.
5 is displayed.

The order of the above steps 1 to 4 may be changed. The present invention furthermore, by the annual water consumption of the water saving possible part and the total water saving rate of the water saving possible part,
Means for executing Step 5 of calculating the annual water saving amount is provided. That is, the central processing unit 21 includes the program memory unit 23
Based on the above program, the annual water consumption of the water-saving part (water-saving partial water amount B) and the total water-saving rate of the water-saving part (expected water-saving rate A) are read out from the data memory unit 22 and calculated by multiplying them. Expected annual water saving C
Is calculated and stored in the data memory unit 22.

Further, the present invention has means for executing Step 6 of calculating an expected annual water saving amount based on the estimated annual water saving amount C and the average water charge unit price D obtained in Step 1. That is, the central processing unit 21 reads out the annual estimated water saving amount C and the average water charge unit price D of the water saving possible unit from the data memory unit 22 based on the program in the program memory unit 23, and calculates the expected annual water saving amount by the product thereof. Is calculated and stored in the data memory unit 22. Step 5
11 and 6 are shown in the list of FIG. 11 displayed on the screen of the display unit 25.

Further, according to the present invention, the estimated annual water saving amount (C) of the water saving possible portion and the annual usage fee (B) of the entire target water supply system are provided.
Means for executing step 7 of calculating the water saving rate of the entire target water supply system. That is, the central processing unit 21
Reads out the annual expected water saving amount and the annual usage fee from the data memory unit 22 based on the program in the program memory unit 23, and calculates an expected water saving rate of 10.8% of the entire target water supply system by a calculation by dividing them. Then, this is stored in the data memory unit 22.

Further, the present invention has means for executing Step 8 of calculating a monthly estimated water saving amount from the annual expected water saving amount (C). That is, the central processing unit 21 reads the expected annual water saving amount (C) from the data memory unit 22 based on the program in the program memory unit 23, and divides this by 12 to calculate the expected monthly saving water amount of the entire target water supply system. (D) is calculated and stored in the data memory unit 22.

The present invention also relates to a monthly water saving device rent and FIG.
Has a means for executing step 9 of calculating the monthly water saving device introduction cost from the number of water saving device installations indicated by the number. That is,
The monthly rent of the water-saving device and the number of water-saving devices installed by the survey conducted for each water supply system are stored in the data memory unit 22 by the input unit in advance, and the central processing unit 21
Reads the monthly water-saving device rent and the number of water-saving devices installed from the data memory unit 22 based on the program in the program memory unit 23 and calculates the monthly water-saving device introduction cost (E) of the entire target water supply system by calculation. Is stored in the data memory unit 22.

Further, the present invention has means for executing Step 10 of calculating a monthly merit amount (F) from a monthly expected water saving amount (D) and a monthly water saving device introduction cost (E). That is, the central processing unit 21 includes the program memory unit 23
Based on the above program, the monthly expected water saving amount (D) and the monthly water saving device introduction cost (E) are read from the data memory unit 22 and the monthly merit amount (F) is calculated by calculating the difference between the two.
Is calculated and stored in the data memory unit 22.

Further, the present invention has means for executing step 11 of calculating the annual merit amount from the monthly merit amount. That is, the central processing unit 21 reads out the monthly merit amount from the data memory unit 22 based on the program in the program memory unit 23, calculates the annual merit amount by 12 times the calculated amount, and furthermore, the necessary items (for example, five years). Is calculated and stored in the data memory unit 22.

The results of steps 7 and 11 are shown in the list of FIG. 12 displayed on the screen of the display unit 25. As described above, according to the present invention, among the above items, a step of displaying a list of the monthly expected water saving amount, the annual expected water saving amount, the monthly merit amount, the annual merit amount, and other items added as necessary on the display unit. 12 is provided.

Further, according to the present invention, as described above, the items relating to the data input state and the operation result in each step are output to the output unit 2.
And means for executing a step of displaying a list on the display unit 25 of No. 4. Thereby, each step in the method for predicting the effect of introducing the water-saving device of the present invention can be confirmed by display, and for the administrator of the target water supply system, the merits of the effect of predicting the effect of the water-saving device can be displayed by the list shown in FIG. This can be printed out and delivered according to.

The above steps are executed by the central processing unit 21 by the program memory unit 23 in accordance with an instruction from the input unit 20.
Since the necessary data is read from the data memory unit 22 to execute the arithmetic processing based on the above program, the order of the steps does not need to be fixed, and the order may be changed for the sake of the arithmetic.

The rental system may be a lease system or a rental system. As for the cost of installing a water saving device, as mentioned above, in addition to the case of using the rent method, there is also a method of purchasing the introduction of a water saving device, and even in the case of this purchasing method, the rent is purchased. The introduction effect will be calculated in the same manner as above, instead of the fee. In the case of the purchase method, a temporary cost burden increases, but to avoid this, a lease method or a rental method is preferable.

According to the above prediction, when an agreement with the manager or owner of the target water supply system has been reached for the introduction of a water saving device, a contract relating to the agreement is concluded and the water saving device is installed.

After the introduction of the water saving device, the water rate is checked regularly or irregularly, for example, every month, and it is determined whether or not the intended range is reached. If so, check the water supply system. In this case, information collection is performed by asking the user of the water supply port etc. which water supply port is used more. Thus, it is determined whether or not the water-saving device is defective or incompatible with the water-supply device at the target portion, and the water-saving device is repaired or replaced. In this way, a check system is prepared so that the water saving device operates in the intended range.

The present invention is not limited to the above-described embodiment, and various changes can be considered without departing from the technical scope of the present invention, and the present invention includes various embodiments.

[0045]

According to the present invention, in a case where the water supply system has a large number of water supply take-out sections, a method for appropriately predicting the effect of introduction when a water saving device is introduced by a purchase method or a rent method such as lease or rental. Can be provided.

Further, even in the case where there are a part where the water saving device can be introduced and a part where the water saving device cannot be introduced, the computer can appropriately make a prediction for forming an appropriate water supply system with a water saving balance.

In the case where the water-saving device can be introduced and the water-saving device cannot be introduced, the computer simulates appropriate water saving with a good balance between the water amount and the water saving. Estimation for achieving a well-balanced and appropriate water-saving device can be made appropriately.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of one of the water-saving devices to which the present invention is applied.

FIG. 2 is an explanatory view of a water supply port which is one of water supply take-out parts of a water supply system of the present invention.

FIG. 3 is a configuration explanatory view in which a water-saving device is attached to a water supply take-out part of a water supply system of the present invention.

FIG. 4 is a diagram illustrating each step of a method for predicting the effect of introducing a water saving device according to the present invention.

FIG. 5 is a configuration diagram of a computer device that executes the water saving device introduction effect prediction method of the present invention.

FIG. 6 is a list of present state investigation data of the target water supply system of the present invention.

FIG. 7 is a list of flow rates before and after installation of a water saving device for each water supply port of the present invention.

FIG. 8 is a list of current water usage of a water-saving part according to the present invention.

FIG. 9 is a list of water usage and charges for each month of the present invention for each month.

FIG. 10 is a list of calculated water saving possible partial water amounts according to the present invention.

FIG. 11 is a list of calculated expected water saving amounts according to the present invention.

FIG. 12 is a list of water saving device introduction effect prediction results of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Water saving apparatus 2 ... Cylindrical part 3 ... Water flow hole 5 ... Water faucet 6 ... Water supply port 7 ... Joint member 8 ... Discharge pipe 20 ... Input part 21 ... Central processing unit 22 ... Data memory part 23 ... Program memory section 24 ... Output section 25 ... Display section

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Riki Matsumoto 904-4 Hazawa-cho, Kanagawa-ku, Yokohama-shi, Kanagawa F-term within the amenity company (reference) 5B049 BB00 CC00 EE41

Claims (1)

[Claims] Claims: 1. A target water supply system in a past predetermined period,
Monthly water usage, monthly usage fee, input of the current flow rate before and after the water saving device is installed, and other data for each water supply section of the water saving section of the target water supply system, and other execution steps An input unit having input means such as a keyboard and a mouse (pointing device) for executing commands for executing the program, a program memory unit for storing a computer control program, a display unit such as a display screen or a printer, and various data of the computer. An output unit that includes an output unit that displays on a display unit, a monthly water usage amount, a monthly usage fee, and a water saving possible portion of the target water supply system in the past predetermined period of the target water supply system input by the input unit. Control of the data memory and program memory for storing the current flow rate before the water saving device is installed, the flow rate after the water saving device is installed, and other data for each water supply unit In response to program instructions,
A central processing unit for storing data in the data memory unit, reading data from the data memory unit, performing predetermined arithmetic processing, and displaying various data on the display unit of the output unit; A step of calculating a monthly water charge unit price, a predetermined period water usage amount, a predetermined period use fee, and a predetermined period water charge unit price based on the monthly water consumption and usage fee in the past predetermined period of the water supply unit, water supply unit water saving possible Calculating the water usage for each predetermined period in the past based on the monthly water usage in the past predetermined period for the water-saving unit of the water-saving unit of the water-saving unit for each water supply unit of the water-saving unit. Calculating the water saving rate for each water supply section and the total water saving rate of the water saving section based on the current flow rate before installation and the flow rate after installation of the water saving device, using the water saving section for a predetermined period Calculating the water saving amount for a predetermined period based on the amount of water and the total water saving rate of the water saving possible part, calculating the expected water saving amount for a predetermined period based on the water saving amount for a predetermined period and a unit price for a predetermined period, Calculating the water saving rate of the entire target water supply system, calculating the monthly expected water saving amount from the expected water saving amount for a predetermined period, calculating the monthly water saving device introduction cost from the monthly water saving device rent and the number of installed water saving devices, Step of calculating the monthly merit amount from the estimated monthly water saving amount and the monthly installation cost of the water saving device, the step of calculating the merit amount for the predetermined period from the monthly merit amount, , Monthly merit amount, predetermined period merit amount, and other items added as necessary Step to list, water saving devices introduced effect prediction method consists of.